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path: root/src/core/arm/interpreter/armemu.cpp
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/*  armemu.c -- Main instruction emulation:  ARM7 Instruction Emulator.
    Copyright (C) 1994 Advanced RISC Machines Ltd.
    Modifications to add arch. v4 support by <jsmith@cygnus.com>.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

//#include <util.h> // DEBUG()

#include "core/arm/skyeye_common/arm_regformat.h"
#include "core/arm/skyeye_common/armdefs.h"
#include "core/arm/skyeye_common/armemu.h"
#include "core/hle/hle.h"

//#include "svc.h"

//ichfly
//#define callstacker 1

//#include "skyeye_callback.h"
//#include "skyeye_bus.h"
//#include "sim_control.h"
//#include "skyeye_pref.h"
//#include "skyeye.h"
//#include "skyeye2gdb.h"
//#include "code_cov.h"

//#include "iwmmxt.h"
//chy 2003-07-11: for debug instrs
//extern int skyeye_instr_debug;
extern FILE *skyeye_logfd;

static ARMword GetDPRegRHS (ARMul_State *, ARMword);
static ARMword GetDPSRegRHS (ARMul_State *, ARMword);
static void WriteR15 (ARMul_State *, ARMword);
static void WriteSR15 (ARMul_State *, ARMword);
static void WriteR15Branch (ARMul_State *, ARMword);
static ARMword GetLSRegRHS (ARMul_State *, ARMword);
static ARMword GetLS7RHS (ARMul_State *, ARMword);
static unsigned LoadWord (ARMul_State *, ARMword, ARMword);
static unsigned LoadHalfWord (ARMul_State *, ARMword, ARMword, int);
static unsigned LoadByte (ARMul_State *, ARMword, ARMword, int);
static unsigned StoreWord (ARMul_State *, ARMword, ARMword);
static unsigned StoreHalfWord (ARMul_State *, ARMword, ARMword);
static unsigned StoreByte (ARMul_State *, ARMword, ARMword);
static void LoadMult (ARMul_State *, ARMword, ARMword, ARMword);
static void StoreMult (ARMul_State *, ARMword, ARMword, ARMword);
static void LoadSMult (ARMul_State *, ARMword, ARMword, ARMword);
static void StoreSMult (ARMul_State *, ARMword, ARMword, ARMword);
static unsigned Multiply64 (ARMul_State *, ARMword, int, int);
static unsigned MultiplyAdd64 (ARMul_State *, ARMword, int, int);
static void Handle_Load_Double (ARMul_State *, ARMword);
static void Handle_Store_Double (ARMul_State *, ARMword);

static int
handle_v6_insn (ARMul_State * state, ARMword instr);

#define LUNSIGNED (0)		/* unsigned operation */
#define LSIGNED   (1)		/* signed operation */
#define LDEFAULT  (0)		/* default : do nothing */
#define LSCC      (1)		/* set condition codes on result */

#ifdef NEED_UI_LOOP_HOOK
/* How often to run the ui_loop update, when in use.  */
#define UI_LOOP_POLL_INTERVAL 0x32000

/* Counter for the ui_loop_hook update.  */
static int ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL;

/* Actual hook to call to run through gdb's gui event loop.  */
extern int (*ui_loop_hook) (int);
#endif /* NEED_UI_LOOP_HOOK */

/* Short-hand macros for LDR/STR.  */

/* Store post decrement writeback.  */
#define SHDOWNWB()                                      \
  lhs = LHS ;                                           \
  if (StoreHalfWord (state, instr, lhs))                \
     LSBase = lhs - GetLS7RHS (state, instr);

/* Store post increment writeback.  */
#define SHUPWB()                                        \
  lhs = LHS ;                                           \
  if (StoreHalfWord (state, instr, lhs))                \
     LSBase = lhs + GetLS7RHS (state, instr);

/* Store pre decrement.  */
#define SHPREDOWN()                                     \
  (void)StoreHalfWord (state, instr, LHS - GetLS7RHS (state, instr));

/* Store pre decrement writeback.  */
#define SHPREDOWNWB()                                   \
  temp = LHS - GetLS7RHS (state, instr);                \
  if (StoreHalfWord (state, instr, temp))               \
     LSBase = temp;

/* Store pre increment.  */
#define SHPREUP()                                       \
  (void)StoreHalfWord (state, instr, LHS + GetLS7RHS (state, instr));

/* Store pre increment writeback.  */
#define SHPREUPWB()                                     \
  temp = LHS + GetLS7RHS (state, instr);                \
  if (StoreHalfWord (state, instr, temp))               \
     LSBase = temp;

/* Load post decrement writeback.  */
#define LHPOSTDOWN()                                    \
{                                                       \
  int done = 1;                                        	\
  lhs = LHS;						\
  temp = lhs - GetLS7RHS (state, instr);		\
  							\
  switch (BITS (5, 6))					\
    {                                  			\
    case 1: /* H */                                     \
      if (LoadHalfWord (state, instr, lhs, LUNSIGNED))  \
         LSBase = temp;        				\
      break;                                           	\
    case 2: /* SB */                                    \
      if (LoadByte (state, instr, lhs, LSIGNED))        \
         LSBase = temp;        				\
      break;                                           	\
    case 3: /* SH */                                    \
      if (LoadHalfWord (state, instr, lhs, LSIGNED))    \
         LSBase = temp;        				\
      break;                                           	\
    case 0: /* SWP handled elsewhere.  */               \
    default:                                            \
      done = 0;                                        	\
      break;                                           	\
    }                                                   \
  if (done)                                             \
     break;                                            	\
}

/* Load post increment writeback.  */
#define LHPOSTUP()                                      \
{                                                       \
  int done = 1;                                        	\
  lhs = LHS;                                           	\
  temp = lhs + GetLS7RHS (state, instr);		\
  							\
  switch (BITS (5, 6))					\
    {                                  			\
    case 1: /* H */                                     \
      if (LoadHalfWord (state, instr, lhs, LUNSIGNED))  \
         LSBase = temp;        				\
      break;                                           	\
    case 2: /* SB */                                    \
      if (LoadByte (state, instr, lhs, LSIGNED))        \
         LSBase = temp;        				\
      break;                                           	\
    case 3: /* SH */                                    \
      if (LoadHalfWord (state, instr, lhs, LSIGNED))    \
         LSBase = temp;        				\
      break;                                           	\
    case 0: /* SWP handled elsewhere.  */               \
    default:                                            \
      done = 0;                                        	\
      break;                                           	\
    }                                                   \
  if (done)                                             \
     break;                                            	\
}

/* Load pre decrement.  */
#define LHPREDOWN()                                     	\
{                                                       	\
  int done = 1;                                        		\
								\
  temp = LHS - GetLS7RHS (state, instr);                 	\
  switch (BITS (5, 6))						\
    {                                  				\
    case 1: /* H */                                     	\
      (void) LoadHalfWord (state, instr, temp, LUNSIGNED);  	\
      break;                                           		\
    case 2: /* SB */                                    	\
      (void) LoadByte (state, instr, temp, LSIGNED);        	\
      break;                                           		\
    case 3: /* SH */                                    	\
      (void) LoadHalfWord (state, instr, temp, LSIGNED);    	\
      break;                                           		\
    case 0:							\
      /* SWP handled elsewhere.  */                 		\
    default:                                            	\
      done = 0;                                        		\
      break;                                           		\
    }                                                   	\
  if (done)                                             	\
     break;                                            		\
}

/* Load pre decrement writeback.  */
#define LHPREDOWNWB()                                   	\
{                                                       	\
  int done = 1;                                        		\
								\
  temp = LHS - GetLS7RHS (state, instr);                	\
  switch (BITS (5, 6))						\
    {                                  				\
    case 1: /* H */                                     	\
      if (LoadHalfWord (state, instr, temp, LUNSIGNED))     	\
         LSBase = temp;                                		\
      break;                                           		\
    case 2: /* SB */                                    	\
      if (LoadByte (state, instr, temp, LSIGNED))           	\
         LSBase = temp;                                		\
      break;                                           		\
    case 3: /* SH */                                    	\
      if (LoadHalfWord (state, instr, temp, LSIGNED))       	\
         LSBase = temp;                                		\
      break;                                           		\
    case 0:							\
      /* SWP handled elsewhere.  */                 		\
    default:                                            	\
      done = 0;                                        		\
      break;                                           		\
    }                                                   	\
  if (done)                                             	\
     break;                                            		\
}

/* Load pre increment.  */
#define LHPREUP()                                       	\
{                                                       	\
  int done = 1;                                        		\
								\
  temp = LHS + GetLS7RHS (state, instr);                 	\
  switch (BITS (5, 6))						\
    {                                  				\
    case 1: /* H */                                     	\
      (void) LoadHalfWord (state, instr, temp, LUNSIGNED);  	\
      break;                                           		\
    case 2: /* SB */                                    	\
      (void) LoadByte (state, instr, temp, LSIGNED);        	\
      break;                                           		\
    case 3: /* SH */                                    	\
      (void) LoadHalfWord (state, instr, temp, LSIGNED);    	\
      break;                                           		\
    case 0:							\
      /* SWP handled elsewhere.  */                 		\
    default:                                            	\
      done = 0;                                        		\
      break;                                           		\
    }                                                   	\
  if (done)                                             	\
     break;                                            		\
}

/* Load pre increment writeback.  */
#define LHPREUPWB()                                     	\
{                                                       	\
  int done = 1;                                        		\
								\
  temp = LHS + GetLS7RHS (state, instr);                	\
  switch (BITS (5, 6))						\
    {                                  				\
    case 1: /* H */                                     	\
      if (LoadHalfWord (state, instr, temp, LUNSIGNED))     	\
	LSBase = temp;                                		\
      break;                                           		\
    case 2: /* SB */                                    	\
      if (LoadByte (state, instr, temp, LSIGNED))           	\
	LSBase = temp;                                		\
      break;                                           		\
    case 3: /* SH */                                    	\
      if (LoadHalfWord (state, instr, temp, LSIGNED))       	\
	LSBase = temp;                                		\
      break;                                           		\
    case 0:							\
      /* SWP handled elsewhere.  */                 		\
    default:                                            	\
      done = 0;                                        		\
      break;                                           		\
    }                                                   	\
  if (done)                                             	\
     break;                                            		\
}

/*ywc 2005-03-31*/
//teawater add for arm2x86 2005.02.17-------------------------------------------
#ifdef DBCT
#include "dbct/tb.h"
#include "dbct/arm2x86_self.h"
#endif
//AJ2D--------------------------------------------------------------------------

//Diff register
unsigned int mirror_register_file[39];

/* EMULATION of ARM6.  */

extern int debugmode;
int ARMul_ICE_debug(ARMul_State *state,ARMword instr,ARMword addr);
#ifdef MODE32
//chy 2006-04-12, for ICE debug
int ARMul_ICE_debug(ARMul_State *state,ARMword instr,ARMword addr)
{
    return 0;
}

static int dump = 0;
ARMword ARMul_Debug(ARMul_State * state, ARMword pc, ARMword instr)
{
    /*printf("[%08x] ", pc);
    arm11_Disasm32(pc);*/

    /*if (pc >= 0x0010303C && pc <= 0x00103050)
    {
    printf("[%08x] = %08X = ", pc, instr);
    arm11_Disasm32(pc);
    arm11_Dump();
    }*/

    //fprintf(stderr,"[%08x]\n", pc);

    //if (pc == 0x00240C88)
    //    arm11_Dump();

    /*if (pc == 0x188e04)
    {
        DEBUG("read %08X %08X %016X %08X %08X from %08X", state->Reg[0], state->Reg[1], state->Reg[2] | state->Reg[3] << 32, mem_Read32(state->Reg[13]), mem_Read32(state->Reg[13] + 4), state->Reg[14]);
    }
    if (pc == 0x21222c)
    {
        arm11_Dump();
        mem_Dbugdump();
    }*/


    /*if (pc == 0x0022D168)
    {
    int j = 0;
    }*/

    /*if (state->Reg[4] == 0x00105734)
    {
    printf("[%08x] ", pc);
    arm11_Disasm32(pc);
    }*/

    return 0;
}

/*
void chy_debug()
{
	printf("SkyEye chy_deubeg begin\n");
}
*/
ARMword
ARMul_Emulate32 (ARMul_State * state)
#else
ARMword
ARMul_Emulate26 (ARMul_State * state)
#endif
{
    /* The PC pipeline value depends on whether ARM
    or Thumb instructions are being
    d.  */
    ARMword isize;
    ARMword instr;		/* The current instruction.  */
    ARMword dest = 0;	/* Almost the DestBus.  */
    ARMword temp;		/* Ubiquitous third hand.  */
    ARMword pc = 0;		/* The address of the current instruction.  */
    ARMword lhs;		/* Almost the ABus and BBus.  */
    ARMword rhs;
    ARMword decoded = 0;	/* Instruction pipeline.  */
    ARMword loaded = 0;
    ARMword decoded_addr=0;
    ARMword loaded_addr=0;
    ARMword have_bp=0;

#ifdef callstacker
    char a[256];
#endif
    /* shenoubang */
    static int instr_sum = 0;
    int reg_index = 0;
#if DIFF_STATE
//initialize all mirror register for follow mode
    for (reg_index = 0; reg_index < 16; reg_index ++) {
        mirror_register_file[reg_index] = state->Reg[reg_index];
    }
    mirror_register_file[CPSR_REG] = state->Cpsr;
    mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13];
    mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14];
    mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13];
    mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14];
    mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13];
    mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14];
    mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13];
    mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14];
    mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8];
    mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9];
    mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10];
    mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11];
    mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12];
    mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13];
    mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14];
    mirror_register_file[SPSR_SVC] = state->Spsr[SVCBANK];
    mirror_register_file[SPSR_ABORT] = state->Spsr[ABORTBANK];
    mirror_register_file[SPSR_UNDEF] = state->Spsr[UNDEFBANK];
    mirror_register_file[SPSR_IRQ] = state->Spsr[IRQBANK];
    mirror_register_file[SPSR_FIRQ] = state->Spsr[FIQBANK];
#endif
    /* Execute the next instruction.  */
    if (state->NextInstr < PRIMEPIPE) {
        decoded = state->decoded;
        loaded = state->loaded;
        pc = state->pc;
        //chy 2006-04-12, for ICE debug
        decoded_addr=state->decoded_addr;
        loaded_addr=state->loaded_addr;
    }

    do {
        //print_func_name(state->pc);
        /* Just keep going.  */
        isize = INSN_SIZE;

        switch (state->NextInstr) {
        case SEQ:
            /* Advance the pipeline, and an S cycle.  */
            state->Reg[15] += isize;
            pc += isize;
            instr = decoded;
            //chy 2006-04-12, for ICE debug
            have_bp = ARMul_ICE_debug(state,instr,decoded_addr);
            decoded = loaded;
            decoded_addr=loaded_addr;
            //loaded = ARMul_LoadInstrS (state, pc + (isize * 2),
            //			   isize);
            loaded_addr=pc + (isize * 2);
            if (have_bp) goto  TEST_EMULATE;
            break;

        case NONSEQ:
            /* Advance the pipeline, and an N cycle.  */
            state->Reg[15] += isize;
            pc += isize;
            instr = decoded;
            //chy 2006-04-12, for ICE debug
            have_bp=ARMul_ICE_debug(state,instr,decoded_addr);
            decoded = loaded;
            decoded_addr=loaded_addr;
            //loaded = ARMul_LoadInstrN (state, pc + (isize * 2),
            //			   isize);
            loaded_addr=pc + (isize * 2);
            NORMALCYCLE;
            if (have_bp) goto  TEST_EMULATE;
            break;

        case PCINCEDSEQ:
            /* Program counter advanced, and an S cycle.  */
            pc += isize;
            instr = decoded;
            //chy 2006-04-12, for ICE debug
            have_bp=ARMul_ICE_debug(state,instr,decoded_addr);
            decoded = loaded;
            decoded_addr=loaded_addr;
            //loaded = ARMul_LoadInstrS (state, pc + (isize * 2),
            //			   isize);
            loaded_addr=pc + (isize * 2);
            NORMALCYCLE;
            if (have_bp) goto  TEST_EMULATE;
            break;

        case PCINCEDNONSEQ:
            /* Program counter advanced, and an N cycle.  */
            pc += isize;
            instr = decoded;
            //chy 2006-04-12, for ICE debug
            have_bp=ARMul_ICE_debug(state,instr,decoded_addr);
            decoded = loaded;
            decoded_addr=loaded_addr;
            //loaded = ARMul_LoadInstrN (state, pc + (isize * 2),
            //			   isize);
            loaded_addr=pc + (isize * 2);
            NORMALCYCLE;
            if (have_bp) goto  TEST_EMULATE;
            break;

        case RESUME:
            /* The program counter has been changed.  */
            pc = state->Reg[15];
#ifndef MODE32
            pc = pc & R15PCBITS;
#endif
            state->Reg[15] = pc + (isize * 2);
            state->Aborted = 0;
            //chy 2004-05-25, fix bug provided by Carl van Schaik<cvansch@cse.unsw.EDU.AU>
            state->AbortAddr = 1;

            instr = ARMul_LoadInstrN (state, pc, isize);
            //instr = ARMul_ReLoadInstr (state, pc, isize);
            //chy 2006-04-12, for ICE debug
            have_bp=ARMul_ICE_debug(state,instr,pc);
            //decoded =
            //	ARMul_ReLoadInstr (state, pc + isize, isize);
            decoded_addr=pc+isize;
            //loaded = ARMul_ReLoadInstr (state, pc + isize * 2,
            //			    isize);
            loaded_addr=pc + isize * 2;
            NORMALCYCLE;
            if (have_bp) goto  TEST_EMULATE;
            break;

        default:
            /* The program counter has been changed.  */
            pc = state->Reg[15];
#ifndef MODE32
            pc = pc & R15PCBITS;
#endif
            state->Reg[15] = pc + (isize * 2);
            state->Aborted = 0;
            //chy 2004-05-25, fix bug provided by Carl van Schaik<cvansch@cse.unsw.EDU.AU>
            state->AbortAddr = 1;

            instr = ARMul_LoadInstrN (state, pc, isize);

            //chy 2006-04-12, for ICE debug
            have_bp=ARMul_ICE_debug(state,instr,pc);
#if 0
            decoded =
                ARMul_LoadInstrS (state, pc + (isize), isize);
#endif
            decoded_addr=pc+isize;
#if 0
            loaded = ARMul_LoadInstrS (state, pc + (isize * 2),
                                       isize);
#endif
            loaded_addr=pc + isize * 2;
            NORMALCYCLE;
            if (have_bp) goto  TEST_EMULATE;
            break;
        }
#if 0
        int idx = 0;
        printf("pc:%x\n", pc);
        for (; idx < 17; idx ++) {
            printf("R%d:%x\t", idx, state->Reg[idx]);
        }
        printf("\n");
#endif

        instr = ARMul_LoadInstrN (state, pc, isize);
        state->last_instr = state->CurrInstr;
        state->CurrInstr = instr;
        ARMul_Debug(state, pc, instr);
#if 0
        if((state->NumInstrs % 10000000) == 0)
            printf("---|%p|---  %lld\n", pc, state->NumInstrs);
        if(state->NumInstrs > (3000000000)) {
            static int flag = 0;
            if(pc == 0x8032ccc4) {
                flag = 300;
            }
            if(flag) {
                int idx = 0;
                printf("------------------------------------\n");
                printf("pc:%x\n", pc);
                for (; idx < 17; idx ++) {
                    printf("R%d:%x\t", idx, state->Reg[idx]);
                }
                printf("\nN:%d\t Z:%d\t C:%d\t V:%d\n", state->NFlag,  state->ZFlag, state->CFlag, state->VFlag);
                printf("\n");
                printf("------------------------------------\n");
                flag--;
            }
        }
#endif
#if DIFF_STATE
        fprintf(state->state_log, "PC:0x%x\n", pc);
        if (pc && (pc + 8) != state->Reg[15]) {
            printf("lucky dog\n");
            printf("pc is %x, R15 is %x\n", pc, state->Reg[15]);
            //exit(-1);
        }
        for (reg_index = 0; reg_index < 16; reg_index ++) {
            if (state->Reg[reg_index] != mirror_register_file[reg_index]) {
                fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]);
                mirror_register_file[reg_index] = state->Reg[reg_index];
            }
        }
        if (state->Cpsr != mirror_register_file[CPSR_REG]) {
            fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr);
            mirror_register_file[CPSR_REG] = state->Cpsr;
        }
        if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) {
            fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]);
            mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13];
        }
        if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) {
            fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]);
            mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14];
        }
        if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) {
            fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]);
            mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13];
        }
        if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) {
            fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]);
            mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14];
        }
        if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) {
            fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]);
            mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13];
        }
        if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) {
            fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]);
            mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14];
        }
        if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) {
            fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]);
            mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13];
        }
        if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) {
            fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]);
            mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14];
        }
        if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) {
            fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]);
            mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8];
        }
        if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) {
            fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]);
            mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9];
        }
        if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) {
            fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]);
            mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10];
        }
        if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) {
            fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]);
            mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11];
        }
        if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) {
            fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]);
            mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12];
        }
        if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) {
            fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]);
            mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13];
        }
        if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) {
            fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]);
            mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14];
        }
        if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) {
            fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]);
            mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK];
        }
        if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) {
            fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]);
            mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK];
        }
        if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) {
            fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]);
            mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK];
        }
        if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) {
            fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]);
            mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK];
        }
        if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) {
            fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]);
            mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK];
        }
#endif

#if 0
        uint32_t alex = 0;
        static int flagged = 0;
        if ((flagged == 0) && (pc == 0xb224)) {
            flagged++;
        }
        if ((flagged == 1) && (pc == 0x1a800)) {
            flagged++;
        }
        if (flagged == 3) {
            printf("---|%p|---  %x\n", pc, state->NumInstrs);
            for (alex = 0; alex < 15; alex++) {
                printf("R%02d % 8x\n", alex, state->Reg[alex]);
            }
            printf("R%02d % 8x\n", alex, state->Reg[alex] - 8);
            printf("CPS %x%07x\n", (state->NFlag<<3 | state->ZFlag<<2 | state->CFlag<<1 | state->VFlag), state->Cpsr & 0xfffffff);
        } else {
            if (state->NumInstrs < 0x400000) {
                //exit(-1);
            }
        }
#endif

        /*if (state->EventSet)
                  ARMul_EnvokeEvent (state);*/

#if 0
        /* do profiling for code coverage */
        if (skyeye_config.code_cov.prof_on)
            cov_prof(EXEC_FLAG, pc);
#endif
//2003-07-11 chy: for test
#if 0
        if (skyeye_config.log.logon >= 1) {
            if (state->NumInstrs >= skyeye_config.log.start &&
                    state->NumInstrs <= skyeye_config.log.end) {
                static int mybegin = 0;
                static int myinstrnum = 0;
                if (mybegin == 0)
                    mybegin = 1;
#if 0
                if (state->NumInstrs == 3695) {
                    printf ("***********SKYEYE: numinstr = 3695\n");
                }
                static int mybeg2 = 0;
                static int mybeg3 = 0;
                static int mybeg4 = 0;
                static int mybeg5 = 0;

                if (pc == 0xa0008000) {
                    //mybegin=1;
                    printf ("************SKYEYE: real vmlinux begin now  numinstr is %llu  ****************\n", state->NumInstrs);
                }

                //chy 2003-09-02 test fiq
                if (state->NumInstrs == 67347000) {
                    printf ("***********SKYEYE: numinstr = 67347000, begin log\n");
                    mybegin = 1;
                }
                if (pc == 0xc00087b4) {	//numinstr=67348714
                    mybegin = 1;
                    printf ("************SKYEYE: test irq now  numinstr is %llu  ****************\n", state->NumInstrs);
                }
                if (pc == 0xc00087b8) {	//in start_kernel::sti()
                    mybeg4 = 1;
                    printf ("************SKYEYE: startkerenl: sti now  numinstr is %llu  ********\n", state->NumInstrs);
                }
                /*if (pc==0xc001e4f4||pc==0xc001e4f8||pc==0xc001e4fc||pc==0xc001e500||pc==0xffff0004) { //MRA instr */
                if (pc == 0xc001e500) {	//MRA instr
                    mybeg5 = 1;
                    printf ("************SKYEYE: MRA instr now  numinstr is %llu  ********\n", state->NumInstrs);
                }
                if (pc >= 0xc0000000 && mybeg2 == 0) {
                    mybeg2 = 1;
                    printf ("************SKYEYE: enable mmu&cache, now numinstr is %llu **************\n", state->NumInstrs);
                    SKYEYE_OUTREGS (stderr);
                    printf ("************************************************************************\n");
                }
                //chy 2003-09-01 test after tlb-flush
                if (pc == 0xc00261ac) {
                    //sleep(2);
                    mybeg3 = 1;
                    printf ("************SKYEYE: after tlb-flush  numinstr is %llu  ****************\n", state->NumInstrs);
                }
                if (mybeg3 == 1) {
                    SKYEYE_OUTREGS (skyeye_logfd);
                    SKYEYE_OUTMOREREGS (skyeye_logfd);
                    fprintf (skyeye_logfd, "\n");
                }
#endif
                if (mybegin == 1) {
                    //fprintf(skyeye_logfd,"p %x,i %x,d %x,l %x,",pc,instr,decoded,loaded);
                    //chy for test 20050729
                    /*if (state->NumInstrs>=3302294) {
                       if (pc==0x100c9d4 && instr==0xe1b0f00e){
                       chy_debug();
                       printf("*********************************************\n");
                       printf("******SKYEYE N %llx :p %x,i %x\n  SKYEYE******\n",state->NumInstrs,pc,instr);
                       printf("*********************************************\n");
                       }
                     */
                    if (skyeye_config.log.logon >= 1)
                        /*
                        	fprintf (skyeye_logfd,
                        		 "N %llx :p %x,i %x,",
                        		 state->NumInstrs, pc,
                        #ifdef MODET
                        		 TFLAG ? instr & 0xffff : instr
                        #else
                        		 instr
                        #endif
                        		);
                        */
                        fprintf(skyeye_logfd, "pc=0x%x,r3=0x%x\n", pc, state->Reg[3]);
                    if (skyeye_config.log.logon >= 2)
                        SKYEYE_OUTREGS (skyeye_logfd);
                    if (skyeye_config.log.logon >= 3)
                        SKYEYE_OUTMOREREGS
                        (skyeye_logfd);
                    //fprintf (skyeye_logfd, "\n");
                    if (skyeye_config.log.length > 0) {
                        myinstrnum++;
                        if (myinstrnum >=
                                skyeye_config.log.
                                length) {
                            myinstrnum = 0;
                            fflush (skyeye_logfd);
                            fseek (skyeye_logfd,
                                   0L, SEEK_SET);
                        }
                    }
                }
                //SKYEYE_OUTREGS(skyeye_logfd);
                //SKYEYE_OUTMOREREGS(skyeye_logfd);
            }
        }
#endif
#if 0				/* Enable this for a helpful bit of debugging when tracing is needed.  */
        fprintf (stderr, "pc: %x, instr: %x\n", pc & ~1, instr);
        if (instr == 0)
            abort ();
#endif
#if 0				/* Enable this code to help track down stack alignment bugs.  */
        {
            static ARMword old_sp = -1;

            if (old_sp != state->Reg[13]) {
                old_sp = state->Reg[13];
                fprintf (stderr,
                         "pc: %08x: SP set to %08x%s\n",
                         pc & ~1, old_sp,
                         (old_sp % 8) ? " [UNALIGNED!]" : "");
            }
        }
#endif
        /* Any exceptions ?  */
        if (state->NresetSig == LOW) {
            ARMul_Abort (state, ARMul_ResetV);

            /*added energy_prof statement by ksh in 2004-11-26 */
            //chy 2005-07-28 for standalone
            //ARMul_do_energy(state,instr,pc);
            break;
        } else if (!state->NfiqSig && !FFLAG) {
            ARMul_Abort (state, ARMul_FIQV);
            /*added energy_prof statement by ksh in 2004-11-26 */
            //chy 2005-07-28 for standalone
            //ARMul_do_energy(state,instr,pc);
            break;
        } else if (!state->NirqSig && !IFLAG) {
            ARMul_Abort (state, ARMul_IRQV);
            /*added energy_prof statement by ksh in 2004-11-26 */
            //chy 2005-07-28 for standalone
            //ARMul_do_energy(state,instr,pc);
            break;
        }

//teawater add for arm2x86 2005.04.26-------------------------------------------
#if 0
//        if (state->pc == 0xc011a868 || state->pc == 0xc011a86c) {
        if (state->NumInstrs == 1671574 || state->NumInstrs == 1671573 || state->NumInstrs == 1671572
                || state->NumInstrs == 1671575) {
            for (reg_index = 0; reg_index < 16; reg_index ++) {
                printf("R%d:%x\t", reg_index, state->Reg[reg_index]);
            }
            printf("\n");
        }
#endif
        if (state->tea_pc) {
            int i;

            if (state->tea_reg_fd) {
                fprintf (state->tea_reg_fd, "\n");
                for (i = 0; i < 15; i++) {
                    fprintf (state->tea_reg_fd, "%x,",
                             state->Reg[i]);
                }
                fprintf (state->tea_reg_fd, "%x,", pc);
                state->Cpsr = ARMul_GetCPSR (state);
                fprintf (state->tea_reg_fd, "%x\n",
                         state->Cpsr);
            } else {
                printf ("\n");
                for (i = 0; i < 15; i++) {
                    printf ("%x,", state->Reg[i]);
                }
                printf ("%x,", pc);
                state->Cpsr = ARMul_GetCPSR (state);
                printf ("%x\n", state->Cpsr);
            }
        }
//AJ2D--------------------------------------------------------------------------

        /*if (state->CallDebug > 0) {
        	instr = ARMul_Debug (state, pc, instr);
        	if (state->Emulate < ONCE) {
        		state->NextInstr = RESUME;
        		break;
        	}
        	if (state->Debug) {
        		fprintf (stderr,
        			 "sim: At %08lx Instr %08lx Mode %02lx\n",
        			 pc, instr, state->Mode);
        		(void) fgetc (stdin);
        	}
        }
        else*/
        if (state->Emulate < ONCE) {
            state->NextInstr = RESUME;
            break;
        }
        //io_do_cycle (state);
        state->NumInstrs++;
#if 0
        if (state->NumInstrs % 10000000 == 0) {
            printf("10 MIPS instr have been executed\n");
        }
#endif

#ifdef MODET
        /* Provide Thumb instruction decoding. If the processor is in Thumb
           mode, then we can simply decode the Thumb instruction, and map it
           to the corresponding ARM instruction (by directly loading the
           instr variable, and letting the normal ARM simulator
           execute). There are some caveats to ensure that the correct
           pipelined PC value is used when executing Thumb code, and also for
           dealing with the BL instruction.  */
        if (TFLAG) {
            ARMword armOp = 0;
            /* Check if in Thumb mode.  */
            switch (ARMul_ThumbDecode(state, pc, instr, &armOp)) {
            case t_undefined:
                /* This is a Thumb instruction.  */
                ARMul_UndefInstr (state, instr);
                goto donext;

            case t_branch:
                /* Already processed.  */
                //pc = state->Reg[15] - 2;
                //state->pc = state->Reg[15] - 2; //ichfly why do I need that
                goto donext;

            case t_decoded:
                /* ARM instruction available.  */
                //printf("t decode %04lx -> %08lx\n", instr & 0xffff, armOp);

                if (armOp == 0xDEADC0DE) {
                    LOG_ERROR(Core_ARM11, "Failed to decode thumb opcode %04X at %08X", instr, pc);
                }

                instr = armOp;

                /* So continue instruction decoding.  */
                break;
            default:
                break;
            }
        }
#endif
        /* Check the condition codes.  */
        if ((temp = TOPBITS (28)) == AL) {
            /* Vile deed in the need for speed. */
            goto mainswitch;
        }

        /* Check the condition code. */
        switch ((int) TOPBITS (28)) {
        case AL:
            temp = TRUE;
            break;
        case NV:

            /* shenoubang add for armv7 instr dmb 2012-3-11 */
            if (state->is_v7) {
                if ((instr & 0x0fffff00) == 0x057ff000) {
                    switch((instr >> 4) & 0xf) {
                    case 4: /* dsb */
                    case 5: /* dmb */
                    case 6: /* isb */
                        // TODO: do no implemented thes instr
                        goto donext;
                    }
                }
            }
            /* dyf add for armv6 instruct CPS 2010.9.17 */
            if (state->is_v6) {
                /* clrex do nothing here temporary */
                if (instr == 0xf57ff01f) {
                    //printf("clrex \n");
#if 0
                    int i;
                    for(i = 0; i < 128; i++) {
                        state->exclusive_tag_array[i] = 0xffffffff;
                    }
#endif
                    /* shenoubang 2012-3-14 refer the dyncom_interpreter */
                    state->exclusive_tag_array[0] = 0xFFFFFFFF;
                    state->exclusive_access_state = 0;
                    goto donext;
                }

                if (BITS(20, 27) == 0x10) {
                    if (BIT(19)) {
                        if (BIT(8)) {
                            if (BIT(18))
                                state->Cpsr |= 1<<8;
                            else
                                state->Cpsr &= ~(1<<8);
                        }
                        if (BIT(7)) {
                            if (BIT(18))
                                state->Cpsr |= 1<<7;
                            else
                                state->Cpsr &= ~(1<<7);
                            ASSIGNINT (state->Cpsr & INTBITS);
                        }
                        if (BIT(6)) {
                            if (BIT(18))
                                state->Cpsr |= 1<<6;
                            else
                                state->Cpsr &= ~(1<<6);
                            ASSIGNINT (state->Cpsr & INTBITS);
                        }
                    }
                    if (BIT(17)) {
                        state->Cpsr |= BITS(0, 4);
                        printf("skyeye test state->Mode\n");
                        if (state->Mode != (state->Cpsr & MODEBITS)) {
                            state->Mode = ARMul_SwitchMode (state, state->Mode, state->Cpsr & MODEBITS);
                            state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                        }
                    }
                    goto donext;
                }
            }
            if (state->is_v5) {
                if (BITS (25, 27) == 5) {	/* BLX(1) */
                    ARMword dest;

                    state->Reg[14] = pc + 4;

                    /* Force entry into Thumb mode.  */
                    dest = pc + 8 + 1;
                    if (BIT (23))
                        dest += (NEGBRANCH +
                                 (BIT (24) << 1));
                    else
                        dest += POSBRANCH +
                                (BIT (24) << 1);

                    WriteR15Branch (state, dest);
                    goto donext;
                } else if ((instr & 0xFC70F000) == 0xF450F000) {
                    /* The PLD instruction.  Ignored.  */
                    goto donext;
                } else if (((instr & 0xfe500f00) == 0xfc100100)
                           || ((instr & 0xfe500f00) ==
                               0xfc000100)) {
                    /* wldrw and wstrw are unconditional.  */
                    goto mainswitch;
                } else {
                    /* UNDEFINED in v5, UNPREDICTABLE in v3, v4, non executed in v1, v2.  */
                    ARMul_UndefInstr (state, instr);
                }
            }
            temp = FALSE;
            break;
        case EQ:
            temp = ZFLAG;
            break;
        case NE:
            temp = !ZFLAG;
            break;
        case VS:
            temp = VFLAG;
            break;
        case VC:
            temp = !VFLAG;
            break;
        case MI:
            temp = NFLAG;
            break;
        case PL:
            temp = !NFLAG;
            break;
        case CS:
            temp = CFLAG;
            break;
        case CC:
            temp = !CFLAG;
            break;
        case HI:
            temp = (CFLAG && !ZFLAG);
            break;
        case LS:
            temp = (!CFLAG || ZFLAG);
            break;
        case GE:
            temp = ((!NFLAG && !VFLAG) || (NFLAG && VFLAG));
            break;
        case LT:
            temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG));
            break;
        case GT:
            temp = ((!NFLAG && !VFLAG && !ZFLAG)
                    || (NFLAG && VFLAG && !ZFLAG));
            break;
        case LE:
            temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG))
                   || ZFLAG;
            break;
        }		/* cc check */

//chy 2003-08-24 now #if 0 .... #endif  process cp14, cp15.reg14, I disable it...


        /* Actual execution of instructions begins here.  */
        /* If the condition codes don't match, stop here.  */
        if (temp) {
mainswitch:

            /* shenoubang sbfx and ubfx instr 2012-3-16 */
            if (state->is_v6) {
                unsigned int m, lsb, width, Rd, Rn, data;
                Rd = Rn = lsb = width = data = m = 0;

                //printf("helloworld\n");
                if ((((int) BITS (21, 27)) == 0x3f) && (((int) BITS (4, 6)) == 0x5)) {
                    m = (unsigned)BITS(7, 11);
                    width = (unsigned)BITS(16, 20);
                    Rd = (unsigned)BITS(12, 15);
                    Rn = (unsigned)BITS(0, 3);
                    if ((Rd == 15) || (Rn == 15)) {
                        ARMul_UndefInstr (state, instr);
                    } else if ((m + width) < 32) {
                        data = state->Reg[Rn];
                        state->Reg[Rd] ^= state->Reg[Rd];
                        state->Reg[Rd] = ((ARMword)(data << (31 -(m + width))) >> ((31 - (m + width)) + (m)));
                        //SKYEYE_LOG_IN_CLR(RED, "UBFX: In %s, line = %d, Reg_src[%d] = 0x%x, Reg_d[%d] = 0x%x, m = %d, width = %d, Rd = %d, Rn = %d\n",
                        //		__FUNCTION__, __LINE__, Rn, data, Rd, state->Reg[Rd], m, width + 1, Rd, Rn);
                        goto donext;
                    }
                } // ubfx instr
                else if ((((int) BITS (21, 27)) == 0x3d) && (((int) BITS (4, 6)) == 0x5)) {
                    int tmp = 0;
                    Rd = BITS(12, 15);
                    Rn = BITS(0, 3);
                    lsb = BITS(7, 11);
                    width = BITS(16, 20);
                    if ((Rd == 15) || (Rn == 15)) {
                        ARMul_UndefInstr (state, instr);
                    } else if ((lsb + width) < 32) {
                        state->Reg[Rd] ^= state->Reg[Rd];
                        data = state->Reg[Rn];
                        tmp = (data << (32 - (lsb + width + 1)));
                        state->Reg[Rd] = (tmp >> (32 - (lsb + width + 1)));
                        //SKYEYE_LOG_IN_CLR(RED, "sbfx: In %s, line = %d, pc = 0x%x, instr = 0x%x,Rd = 0x%x, Rn = 0x%x, lsb = %d, width = %d, Rs[%d] = 0x%x, Rd[%d] = 0x%x\n",
                        //		__func__, __LINE__, pc, instr, Rd, Rn, lsb, width + 1, Rn, state->Reg[Rn], Rd, state->Reg[Rd]);
                        goto donext;
                    }
                } // sbfx instr
                else if ((((int)BITS(21, 27)) == 0x3e) && ((int)BITS(4, 6) == 0x1)) {
                    //(ARMword)(instr<<(31-(n))) >> ((31-(n))+(m))
                    unsigned msb ,tmp_rn, tmp_rd, dst;
                    tmp_rd = tmp_rn = dst = 0;
                    Rd = BITS(12, 15);
                    Rn = BITS(0, 3);
                    lsb = BITS(7, 11);
                    msb = BITS(16, 20); //-V519
                    if ((Rd == 15)) {
                        ARMul_UndefInstr (state, instr);
                    } else if ((Rn == 15)) {
                        data = state->Reg[Rd];
                        tmp_rd = ((ARMword)(data << (31 - lsb)) >> (31 - lsb));
                        dst = ((data >> msb) << (msb - lsb));
                        dst = (dst << lsb) | tmp_rd;
                        /*SKYEYE_DBG("BFC instr: msb = %d, lsb = %d, Rd[%d] : 0x%x, dst = 0x%x\n",
                        	msb, lsb, Rd, state->Reg[Rd], dst);*/
                        goto donext;
                    } // bfc instr
                    else if (((msb >= lsb) && (msb < 32))) {
                        data = state->Reg[Rn];
                        tmp_rn = ((ARMword)(data << (31 - (msb - lsb))) >> (31 - (msb - lsb)));
                        data = state->Reg[Rd];
                        tmp_rd = ((ARMword)(data << (31 - lsb)) >> (31 - lsb));
                        dst = ((data >> msb) << (msb - lsb)) | tmp_rn;
                        dst = (dst << lsb) | tmp_rd;
                        /*SKYEYE_DBG("BFI instr:msb = %d, lsb = %d, Rd[%d] : 0x%x, Rn[%d]: 0x%x, dst = 0x%x\n",
                        	msb, lsb, Rd, state->Reg[Rd], Rn, state->Reg[Rn], dst);*/
                        goto donext;
                    } // bfi instr
                }
            }

            switch ((int) BITS (20, 27)) {
            /* Data Processing Register RHS Instructions.  */

            case 0x00:	/* AND reg and MUL */
#ifdef MODET
                if (BITS (4, 11) == 0xB) {
                    /* STRH register offset, no write-back, down, post indexed.  */
                    SHDOWNWB ();
                    break;
                }
                if (BITS (4, 7) == 0xD) {
                    Handle_Load_Double (state, instr);
                    break;
                }
                if (BITS (4, 7) == 0xF) {
                    Handle_Store_Double (state, instr);
                    break;
                }
#endif
                if (BITS (4, 7) == 9) {
                    /* MUL */
                    rhs = state->Reg[MULRHSReg];
                    //if (MULLHSReg == MULDESTReg) {
                    if(0) { /* For armv6, the restriction is removed */
                        UNDEF_MULDestEQOp1;
                        state->Reg[MULDESTReg] = 0;
                    } else if (MULDESTReg != 15)
                        state->Reg[MULDESTReg] = state->Reg[MULLHSReg] * rhs;
                    else
                        UNDEF_MULPCDest;

                    for (dest = 0, temp = 0; dest < 32;
                            dest++)
                        if (rhs & (1L << dest))
                            temp = dest;

                    /* Mult takes this many/2 I cycles.  */
                    ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
                } else {
                    /* AND reg.  */
                    rhs = DPRegRHS;
                    dest = LHS & rhs;
                    WRITEDEST (dest);
                }
                break;

            case 0x01:	/* ANDS reg and MULS */
#ifdef MODET
                if ((BITS (4, 11) & 0xF9) == 0x9)
                    /* LDR register offset, no write-back, down, post indexed.  */
                    LHPOSTDOWN ();
                /* Fall through to rest of decoding.  */
#endif
                if (BITS (4, 7) == 9) {
                    /* MULS */
                    rhs = state->Reg[MULRHSReg];

                    //if (MULLHSReg == MULDESTReg) {
                    if(0) {
                        printf("Something in %d line\n", __LINE__);
                        UNDEF_WARNING;
                        UNDEF_MULDestEQOp1;
                        state->Reg[MULDESTReg] = 0;
                        CLEARN;
                        SETZ;
                    } else if (MULDESTReg != 15) {
                        dest = state->Reg[MULLHSReg] * rhs;
                        ARMul_NegZero (state, dest);
                        state->Reg[MULDESTReg] = dest;
                    } else
                        UNDEF_MULPCDest;

                    for (dest = 0, temp = 0; dest < 32;
                            dest++)
                        if (rhs & (1L << dest))
                            temp = dest;

                    /* Mult takes this many/2 I cycles.  */
                    ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
                } else {
                    /* ANDS reg.  */
                    rhs = DPSRegRHS;
                    dest = LHS & rhs;
                    WRITESDEST (dest);
                }
                break;

            case 0x02:	/* EOR reg and MLA */
#ifdef MODET
                if (BITS (4, 11) == 0xB) {
                    /* STRH register offset, write-back, down, post indexed.  */
                    SHDOWNWB ();
                    break;
                }
#endif
                if (BITS (4, 7) == 9) {	/* MLA */
                    rhs = state->Reg[MULRHSReg];
#if 0
                    if (MULLHSReg == MULDESTReg) {
                        UNDEF_MULDestEQOp1;
                        state->Reg[MULDESTReg] = state->Reg[MULACCReg];
                    } else if (MULDESTReg != 15) {
#endif
                        if (MULDESTReg != 15) {
                            state->Reg[MULDESTReg] = state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg];
                        } else
                            UNDEF_MULPCDest;

                        for (dest = 0, temp = 0; dest < 32;
                                dest++)
                            if (rhs & (1L << dest))
                                temp = dest;

                        /* Mult takes this many/2 I cycles.  */
                        ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
                    } else {
                        rhs = DPRegRHS;
                        dest = LHS ^ rhs;
                        WRITEDEST (dest);
                    }
                    break;

                case 0x03:	/* EORS reg and MLAS */
#ifdef MODET
                    if ((BITS (4, 11) & 0xF9) == 0x9)
                        /* LDR register offset, write-back, down, post-indexed.  */
                        LHPOSTDOWN ();
                    /* Fall through to rest of the decoding.  */
#endif
                    if (BITS (4, 7) == 9) {
                        /* MLAS */
                        rhs = state->Reg[MULRHSReg];
                        //if (MULLHSReg == MULDESTReg) {
                        if (0) {
                            UNDEF_MULDestEQOp1;
                            dest = state->Reg[MULACCReg];
                            ARMul_NegZero (state, dest);
                            state->Reg[MULDESTReg] = dest;
                        } else if (MULDESTReg != 15) {
                            dest = state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg];
                            ARMul_NegZero (state, dest);
                            state->Reg[MULDESTReg] = dest;
                        } else
                            UNDEF_MULPCDest;

                        for (dest = 0, temp = 0; dest < 32;
                                dest++)
                            if (rhs & (1L << dest))
                                temp = dest;

                        /* Mult takes this many/2 I cycles.  */
                        ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
                    } else {
                        /* EORS Reg.  */
                        rhs = DPSRegRHS;
                        dest = LHS ^ rhs;
                        WRITESDEST (dest);
                    }
                    break;

                case 0x04: /* SUB reg */
                    // Signifies UMAAL
                    if (state->is_v6 && BITS(4, 7) == 0x09) {
                        if (handle_v6_insn(state, instr))
                            break;
                    }

#ifdef MODET
                    if (BITS (4, 7) == 0xB) {
                        /* STRH immediate offset, no write-back, down, post indexed.  */
                        SHDOWNWB ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
#endif
                    rhs = DPRegRHS;
                    dest = LHS - rhs;
                    WRITEDEST (dest);
                    break;

                case 0x05:	/* SUBS reg */
#ifdef MODET
                    if ((BITS (4, 7) & 0x9) == 0x9)
                        /* LDR immediate offset, no write-back, down, post indexed.  */
                        LHPOSTDOWN ();
                    /* Fall through to the rest of the instruction decoding.  */
#endif
                    lhs = LHS;
                    rhs = DPRegRHS;
                    dest = lhs - rhs;

                    if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
                        ARMul_SubCarry (state, lhs, rhs, dest);
                        ARMul_SubOverflow (state, lhs, rhs, dest);
                    } else {
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x06:	/* RSB reg */
#ifdef MODET
                    if (BITS (4, 7) == 0xB) {
                        /* STRH immediate offset, write-back, down, post indexed.  */
                        SHDOWNWB ();
                        break;
                    }
#endif
                    rhs = DPRegRHS;
                    dest = rhs - LHS;
                    WRITEDEST (dest);
                    break;

                case 0x07:	/* RSBS reg */
#ifdef MODET
                    if ((BITS (4, 7) & 0x9) == 0x9)
                        /* LDR immediate offset, write-back, down, post indexed.  */
                        LHPOSTDOWN ();
                    /* Fall through to remainder of instruction decoding.  */
#endif
                    lhs = LHS;
                    rhs = DPRegRHS;
                    dest = rhs - lhs;

                    if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
                        ARMul_SubCarry (state, rhs, lhs, dest);
                        ARMul_SubOverflow (state, rhs, lhs, dest);
                    } else {
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x08:	/* ADD reg */
#ifdef MODET
                    if (BITS (4, 11) == 0xB) {
                        /* STRH register offset, no write-back, up, post indexed.  */
                        SHUPWB ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
#endif
#ifdef MODET
                    if (BITS (4, 7) == 0x9) {
                        /* MULL */
                        /* 32x32 = 64 */
                        ARMul_Icycles (state, Multiply64 (state, instr, LUNSIGNED, LDEFAULT), 0L);
                        break;
                    }
#endif
                    rhs = DPRegRHS;
                    dest = LHS + rhs;
                    WRITEDEST (dest);
                    break;

                case 0x09:	/* ADDS reg */
#ifdef MODET
                    if ((BITS (4, 11) & 0xF9) == 0x9)
                        /* LDR register offset, no write-back, up, post indexed.  */
                        LHPOSTUP ();
                    /* Fall through to remaining instruction decoding.  */
#endif
#ifdef MODET
                    if (BITS (4, 7) == 0x9) {
                        /* MULL */
                        /* 32x32=64 */
                        ARMul_Icycles (state, Multiply64 (state, instr, LUNSIGNED, LSCC), 0L);
                        break;
                    }
#endif
                    lhs = LHS;
                    rhs = DPRegRHS;
                    dest = lhs + rhs;
                    ASSIGNZ (dest == 0);
                    if ((lhs | rhs) >> 30) {
                        /* Possible C,V,N to set.  */
                        ASSIGNN (NEG (dest));
                        ARMul_AddCarry (state, lhs, rhs, dest);
                        ARMul_AddOverflow (state, lhs, rhs, dest);
                    } else {
                        CLEARN;
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x0a:	/* ADC reg */
#ifdef MODET
                    if (BITS (4, 11) == 0xB) {
                        /* STRH register offset, write-back, up, post-indexed.  */
                        SHUPWB ();
                        break;
                    }
                    if (BITS (4, 7) == 0x9) {
                        /* MULL */
                        /* 32x32=64 */
                        ARMul_Icycles (state, MultiplyAdd64 (state, instr, LUNSIGNED, LDEFAULT), 0L);
                        break;
                    }
#endif
                    rhs = DPRegRHS;
                    dest = LHS + rhs + CFLAG;
                    WRITEDEST (dest);
                    break;

                case 0x0b:	/* ADCS reg */
#ifdef MODET
                    if ((BITS (4, 11) & 0xF9) == 0x9)
                        /* LDR register offset, write-back, up, post indexed.  */
                        LHPOSTUP ();
                    /* Fall through to remaining instruction decoding.  */
                    if (BITS (4, 7) == 0x9) {
                        /* MULL */
                        /* 32x32=64 */
                        ARMul_Icycles (state, MultiplyAdd64 (state, instr, LUNSIGNED, LSCC), 0L);
                        break;
                    }
#endif
                    lhs = LHS;
                    rhs = DPRegRHS;
                    dest = lhs + rhs + CFLAG;
                    ASSIGNZ (dest == 0);
                    if ((lhs | rhs) >> 30) {
                        /* Possible C,V,N to set.  */
                        ASSIGNN (NEG (dest));
                        ARMul_AddCarry (state, lhs, rhs, dest);
                        ARMul_AddOverflow (state, lhs, rhs, dest);
                    } else {
                        CLEARN;
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x0c:	/* SBC reg */
#ifdef MODET
                    if (BITS (4, 7) == 0xB) {
                        /* STRH immediate offset, no write-back, up post indexed.  */
                        SHUPWB ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0x9) {
                        /* MULL */
                        /* 32x32=64 */
                        ARMul_Icycles (state, Multiply64 (state, instr, LSIGNED, LDEFAULT), 0L);
                        break;
                    }
#endif
                    rhs = DPRegRHS;
                    dest = LHS - rhs - !CFLAG;
                    WRITEDEST (dest);
                    break;

                case 0x0d:	/* SBCS reg */
#ifdef MODET
                    if ((BITS (4, 7) & 0x9) == 0x9)
                        /* LDR immediate offset, no write-back, up, post indexed.  */
                        LHPOSTUP ();

                    if (BITS (4, 7) == 0x9) {
                        /* MULL */
                        /* 32x32=64 */
                        ARMul_Icycles (state, Multiply64 (state, instr, LSIGNED, LSCC), 0L);
                        break;
                    }
#endif
                    lhs = LHS;
                    rhs = DPRegRHS;
                    dest = lhs - rhs - !CFLAG;
                    if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
                        ARMul_SubCarry (state, lhs, rhs, dest);
                        ARMul_SubOverflow (state, lhs, rhs, dest);
                    } else {
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x0e:	/* RSC reg */
#ifdef MODET
                    if (BITS (4, 7) == 0xB) {
                        /* STRH immediate offset, write-back, up, post indexed.  */
                        SHUPWB ();
                        break;
                    }

                    if (BITS (4, 7) == 0x9) {
                        /* MULL */
                        /* 32x32=64 */
                        ARMul_Icycles (state, MultiplyAdd64 (state, instr, LSIGNED, LDEFAULT), 0L);
                        break;
                    }
#endif
                    rhs = DPRegRHS;
                    dest = rhs - LHS - !CFLAG;
                    WRITEDEST (dest);
                    break;

                case 0x0f:	/* RSCS reg */
#ifdef MODET
                    if ((BITS (4, 7) & 0x9) == 0x9)
                        /* LDR immediate offset, write-back, up, post indexed.  */
                        LHPOSTUP ();
                    /* Fall through to remaining instruction decoding.  */

                    if (BITS (4, 7) == 0x9) {
                        /* MULL */
                        /* 32x32=64 */
                        ARMul_Icycles (state, MultiplyAdd64 (state, instr, LSIGNED, LSCC), 0L);
                        break;
                    }
#endif
                    lhs = LHS;
                    rhs = DPRegRHS;
                    dest = rhs - lhs - !CFLAG;

                    if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
                        ARMul_SubCarry (state, rhs, lhs, dest);
                        ARMul_SubOverflow (state, rhs, lhs, dest);
                    } else {
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x10:	/* TST reg and MRS CPSR and SWP word.  */
                    if (state->is_v5e) {
                        if (BIT (4) == 0 && BIT (7) == 1) {
                            /* ElSegundo SMLAxy insn.  */
                            ARMword op1 = state->Reg[BITS (0, 3)];
                            ARMword op2 = state->Reg[BITS (8, 11)];
                            ARMword Rn = state->Reg[BITS (12, 15)];

                            if (BIT (5))
                                op1 >>= 16;
                            if (BIT (6))
                                op2 >>= 16;
                            op1 &= 0xFFFF;
                            op2 &= 0xFFFF;
                            if (op1 & 0x8000)
                                op1 -= 65536;
                            if (op2 & 0x8000)
                                op2 -= 65536;
                            op1 *= op2;
                            //printf("SMLA_INST:BB,op1=0x%x, op2=0x%x. Rn=0x%x\n", op1, op2, Rn);
                            if (AddOverflow(op1, Rn, op1 + Rn))
                                SETS;
                            state->Reg[BITS (16, 19)] = op1 + Rn;
                            break;
                        }

                        if (BITS (4, 11) == 5) {
                            /* ElSegundo QADD insn.  */
                            ARMword op1 = state->Reg[BITS (0, 3)];
                            ARMword op2 = state->Reg[BITS (16, 19)];
                            ARMword result = op1 + op2;
                            if (AddOverflow(op1, op2, result)) {
                                result = POS (result) ? 0x80000000 : 0x7fffffff;
                                SETS;
                            }
                            state->Reg[BITS (12, 15)] = result;
                            break;
                        }
                    }
#ifdef MODET
                    if (BITS (4, 11) == 0xB) {
                        /* STRH register offset, no write-back, down, pre indexed.  */
                        SHPREDOWN ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
#endif
                    if (BITS (4, 11) == 9) {
                        /* SWP */
                        UNDEF_SWPPC;
                        temp = LHS;
                        BUSUSEDINCPCS;
#ifndef MODE32
                        if (VECTORACCESS (temp) || ADDREXCEPT (temp)) {
                            INTERNALABORT (temp);
                            (void) ARMul_LoadWordN (state, temp);
                            (void) ARMul_LoadWordN (state, temp);
                        } else
#endif
                            dest = ARMul_SwapWord (state, temp, state->Reg[RHSReg]);
                        if (temp & 3)
                            DEST = ARMul_Align (state, temp, dest);
                        else
                            DEST = dest;
                        if (state->abortSig || state->Aborted)
                            TAKEABORT;
                    } else if ((BITS (0, 11) == 0) && (LHSReg == 15)) {	/* MRS CPSR */
                        UNDEF_MRSPC;
                        DEST = ECC | EINT | EMODE;
                    } else {
                        UNDEF_Test;
                    }
                    break;

                case 0x11:	/* TSTP reg */
#ifdef MODET
                    if ((BITS (4, 11) & 0xF9) == 0x9)
                        /* LDR register offset, no write-back, down, pre indexed.  */
                        LHPREDOWN ();
                    /* Continue with remaining instruction decode.  */
#endif
                    if (DESTReg == 15) {
                        /* TSTP reg */
#ifdef MODE32
                        //chy 2006-02-15 if in user mode, can not set cpsr 0:23
                        //from p165 of ARMARM book
                        state->Cpsr = GETSPSR (state->Bank);
                        ARMul_CPSRAltered (state);
#else
                        rhs = DPRegRHS;
                        temp = LHS & rhs;
                        SETR15PSR (temp);
#endif
                    } else {
                        /* TST reg */
                        rhs = DPSRegRHS;
                        dest = LHS & rhs;
                        ARMul_NegZero (state, dest);
                    }
                    break;

                case 0x12:	/* TEQ reg and MSR reg to CPSR (ARM6).  */

                    if (state->is_v5) {
                        if (BITS (4, 7) == 3) {
                            /* BLX(2) */
                            ARMword temp;

                            if (TFLAG)
                                temp = (pc + 2) | 1;
                            else
                                temp = pc + 4;

                            WriteR15Branch (state, state->Reg[RHSReg]);
                            state->Reg[14] = temp;
                            break;
                        }
                    }

                    if (state->is_v5e) {
                        if (BIT (4) == 0 && BIT (7) == 1 && (BIT (5) == 0 || BITS (12, 15) == 0)) {
                            /* ElSegundo SMLAWy/SMULWy insn.  */
                            unsigned long long op1 = state->Reg[BITS (0, 3)];
                            unsigned long long op2 = state->Reg[BITS (8, 11)];
                            unsigned long long result;

                            if (BIT (6))
                                op2 >>= 16;
                            if (op1 & 0x80000000)
                                op1 -= 1ULL << 32;
                            op2 &= 0xFFFF;
                            if (op2 & 0x8000)
                                op2 -= 65536;
                            result = (op1 * op2) >> 16;

                            if (BIT (5) == 0) {
                                ARMword Rn = state->Reg[BITS(12, 15)];

                                if (AddOverflow((ARMword)result, Rn, (ARMword)(result + Rn)))
                                    SETS;
                                result += Rn;
                            }
                            state->Reg[BITS (16, 19)] = (ARMword)result;
                            break;
                        }

                        if (BITS (4, 11) == 5) {
                            /* ElSegundo QSUB insn.  */
                            ARMword op1 = state->Reg[BITS (0, 3)];
                            ARMword op2 = state->Reg[BITS (16, 19)];
                            ARMword result = op1 - op2;

                            if (SubOverflow
                                    (op1, op2, result)) {
                                result = POS (result) ? 0x80000000 : 0x7fffffff;
                                SETS;
                            }

                            state->Reg[BITS (12, 15)] = result;
                            break;
                        }
                    }
#ifdef MODET
                    if (BITS (4, 11) == 0xB) {
                        /* STRH register offset, write-back, down, pre indexed.  */
                        SHPREDOWNWB ();
                        break;
                    }
                    if (BITS (4, 27) == 0x12FFF1) {
                        /* BX */
                        WriteR15Branch (state, state->Reg[RHSReg]);
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
#endif
                    if (state->is_v5) {
                        if (BITS (4, 7) == 0x7) {
                            //ARMword value;
                            //extern int SWI_vector_installed;

                            /* Hardware is allowed to optionally override this
                               instruction and treat it as a breakpoint.  Since
                               this is a simulator not hardware, we take the position
                               that if a SWI vector was not installed, then an Abort
                               vector was probably not installed either, and so
                               normally this instruction would be ignored, even if an
                               Abort is generated.  This is a bad thing, since GDB
                               uses this instruction for its breakpoints (at least in
                               Thumb mode it does).  So intercept the instruction here
                               and generate a breakpoint SWI instead.  */
                            /* Force the next instruction to be refetched.  */
                            state->NextInstr = RESUME;
                            break;
                        }
                    }
                    if (DESTReg == 15) {
                        /* MSR reg to CPSR.  */
                        UNDEF_MSRPC;
                        temp = DPRegRHS;
#ifdef MODET
                        /* Don't allow TBIT to be set by MSR.  */
                        temp &= ~TBIT;
#endif
                        ARMul_FixCPSR (state, instr, temp);
                    } else
                        UNDEF_Test;

                    break;

                case 0x13:	/* TEQP reg */
#ifdef MODET
                    if ((BITS (4, 11) & 0xF9) == 0x9)
                        /* LDR register offset, write-back, down, pre indexed.  */
                        LHPREDOWNWB ();
                    /* Continue with remaining instruction decode.  */
#endif
                    if (DESTReg == 15) {
                        /* TEQP reg */
#ifdef MODE32
                        state->Cpsr = GETSPSR (state->Bank);
                        ARMul_CPSRAltered (state);
#else
                        rhs = DPRegRHS;
                        temp = LHS ^ rhs;
                        SETR15PSR (temp);
#endif
                    } else {
                        /* TEQ Reg.  */
                        rhs = DPSRegRHS;
                        dest = LHS ^ rhs;
                        ARMul_NegZero (state, dest);
                    }
                    break;

                case 0x14:	/* CMP reg and MRS SPSR and SWP byte.  */
                    if (state->is_v5e) {
                        if (BIT (4) == 0 && BIT (7) == 1) {
                            /* ElSegundo SMLALxy insn.  */
                            unsigned long long op1 = state->Reg[BITS (0, 3)];
                            unsigned long long op2 = state->Reg[BITS (8, 11)];
                            unsigned long long dest;
                            //unsigned long long result;

                            if (BIT (5))
                                op1 >>= 16;
                            if (BIT (6))
                                op2 >>= 16;
                            op1 &= 0xFFFF;
                            if (op1 & 0x8000)
                                op1 -= 65536;
                            op2 &= 0xFFFF;
                            if (op2 & 0x8000)
                                op2 -= 65536;

                            dest = (unsigned long long) state->Reg[BITS (16, 19)] << 32;
                            dest |= state->Reg[BITS (12, 15)];
                            dest += op1 * op2;
                            state->Reg[BITS(12, 15)] = (ARMword)dest;
                            state->Reg[BITS(16, 19)] = (ARMword)(dest >> 32);
                            break;
                        }

                        if (BITS (4, 11) == 5) {
                            /* ElSegundo QDADD insn.  */
                            ARMword op1 = state->Reg[BITS (0, 3)];
                            ARMword op2 = state->Reg[BITS (16, 19)];
                            ARMword op2d = op2 + op2;
                            ARMword result;

                            if (AddOverflow
                                    (op2, op2, op2d)) {
                                SETS;
                                op2d = POS (op2d) ? 0x80000000 : 0x7fffffff;
                            }

                            result = op1 + op2d;
                            if (AddOverflow(op1, op2d, result)) {
                                SETS;
                                result = POS (result) ? 0x80000000 : 0x7fffffff;
                            }

                            state->Reg[BITS (12, 15)] = result;
                            break;
                        }
                    }
#ifdef MODET
                    if (BITS (4, 7) == 0xB) {
                        /* STRH immediate offset, no write-back, down, pre indexed.  */
                        SHPREDOWN ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
#endif
                    if (BITS (4, 11) == 9) {
                        /* SWP */
                        UNDEF_SWPPC;
                        temp = LHS;
                        BUSUSEDINCPCS;
#ifndef MODE32
                        if (VECTORACCESS (temp) || ADDREXCEPT (temp)) {
                            INTERNALABORT (temp);
                            (void) ARMul_LoadByte (state, temp);
                            (void) ARMul_LoadByte (state, temp);
                        } else
#endif
                            DEST = ARMul_SwapByte (state, temp, state->Reg[RHSReg]);
                        if (state->abortSig || state->Aborted)
                            TAKEABORT;
                    } else if ((BITS (0, 11) == 0)
                               && (LHSReg == 15)) {
                        /* MRS SPSR */
                        UNDEF_MRSPC;
                        DEST = GETSPSR (state->Bank);
                    } else
                        UNDEF_Test;

                    break;

                case 0x15:	/* CMPP reg.  */
#ifdef MODET
                    if ((BITS (4, 7) & 0x9) == 0x9)
                        /* LDR immediate offset, no write-back, down, pre indexed.  */
                        LHPREDOWN ();
                    /* Continue with remaining instruction decode.  */
#endif
                    if (DESTReg == 15) {
                        /* CMPP reg.  */
#ifdef MODE32
                        state->Cpsr = GETSPSR (state->Bank);
                        ARMul_CPSRAltered (state);
#else
                        rhs = DPRegRHS;
                        temp = LHS - rhs;
                        SETR15PSR (temp);
#endif
                    } else {
                        /* CMP reg.  */
                        lhs = LHS;
                        rhs = DPRegRHS;
                        dest = lhs - rhs;
                        ARMul_NegZero (state, dest);
                        if ((lhs >= rhs)
                                || ((rhs | lhs) >> 31)) {
                            ARMul_SubCarry (state, lhs, rhs, dest);
                            ARMul_SubOverflow (state, lhs, rhs, dest);
                        } else {
                            CLEARC;
                            CLEARV;
                        }
                    }
                    break;

                case 0x16:	/* CMN reg and MSR reg to SPSR */
                    if (state->is_v5e) {
                        if (BIT (4) == 0 && BIT (7) == 1 && BITS (12, 15) == 0) {
                            /* ElSegundo SMULxy insn.  */
                            ARMword op1 = state->Reg[BITS (0, 3)];
                            ARMword op2 = state->Reg[BITS (8, 11)];
                            ARMword Rn = state->Reg[BITS (12, 15)];

                            if (BIT (5))
                                op1 >>= 16;
                            if (BIT (6))
                                op2 >>= 16;
                            op1 &= 0xFFFF;
                            op2 &= 0xFFFF;
                            if (op1 & 0x8000)
                                op1 -= 65536;
                            if (op2 & 0x8000)
                                op2 -= 65536;

                            state->Reg[BITS (16, 19)] = op1 * op2;
                            break;
                        }

                        if (BITS (4, 11) == 5) {
                            /* ElSegundo QDSUB insn.  */
                            ARMword op1 = state->Reg[BITS (0, 3)];
                            ARMword op2 = state->Reg[BITS (16, 19)];
                            ARMword op2d = op2 + op2;
                            ARMword result;

                            if (AddOverflow(op2, op2, op2d)) {
                                SETS;
                                op2d = POS (op2d) ? 0x80000000 : 0x7fffffff;
                            }

                            result = op1 - op2d;
                            if (SubOverflow(op1, op2d, result)) {
                                SETS;
                                result = POS (result) ? 0x80000000 : 0x7fffffff;
                            }

                            state->Reg[BITS (12, 15)] = result;
                            break;
                        }
                    }

                    if (state->is_v5) {
                        if (BITS (4, 11) == 0xF1
                                && BITS (16, 19) == 0xF) {
                            /* ARM5 CLZ insn.  */
                            ARMword op1 = state->Reg[BITS (0, 3)];
                            int result = 32;

                            if (op1)
                                for (result = 0; (op1 & 0x80000000) == 0; op1 <<= 1)
                                    result++;
                            state->Reg[BITS (12, 15)] = result;
                            break;
                        }
                    }

#ifdef MODET
                    if (BITS (4, 7) == 0xB) {
                        /* STRH immediate offset, write-back, down, pre indexed.  */
                        SHPREDOWNWB ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
#endif
                    if (DESTReg == 15) {
                        /* MSR */
                        UNDEF_MSRPC;
                        /*ARMul_FixSPSR (state, instr,
                        	       DPRegRHS);*/
                    } else {
                        UNDEF_Test;
                    }
                    break;

                case 0x17:	/* CMNP reg */
#ifdef MODET
                    if ((BITS (4, 7) & 0x9) == 0x9)
                        /* LDR immediate offset, write-back, down, pre indexed.  */
                        LHPREDOWNWB ();
                    /* Continue with remaining instruction decoding.  */
#endif
                    if (DESTReg == 15) {
#ifdef MODE32
                        state->Cpsr = GETSPSR (state->Bank);
                        ARMul_CPSRAltered (state);
#else
                        rhs = DPRegRHS;
                        temp = LHS + rhs;
                        SETR15PSR (temp);
#endif
                        break;
                    } else {
                        /* CMN reg.  */
                        lhs = LHS;
                        rhs = DPRegRHS;
                        dest = lhs + rhs;
                        ASSIGNZ (dest == 0);
                        if ((lhs | rhs) >> 30) {
                            /* Possible C,V,N to set.  */
                            ASSIGNN (NEG (dest));
                            ARMul_AddCarry (state, lhs, rhs, dest);
                            ARMul_AddOverflow (state, lhs, rhs, dest);
                        } else {
                            CLEARN;
                            CLEARC;
                            CLEARV;
                        }
                    }
                    break;

                case 0x18:	/* ORR reg */
#ifdef MODET
                    /* dyf add armv6 instr strex  2010.9.17 */
                    if (state->is_v6) {
                        if (BITS (4, 7) == 0x9)
                            if (handle_v6_insn (state, instr))
                                break;
                    }

                    if (BITS (4, 11) == 0xB) {
                        /* STRH register offset, no write-back, up, pre indexed.  */
                        SHPREUP ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
#endif
                    rhs = DPRegRHS;
                    dest = LHS | rhs;
                    WRITEDEST (dest);
                    break;

                case 0x19:	/* ORRS reg */
#ifdef MODET
                    /* dyf add armv6 instr ldrex */
                    if (state->is_v6) {
                        if (BITS (4, 7) == 0x9) {
                            if (handle_v6_insn (state, instr))
                                break;
                        }
                    }
                    if ((BITS (4, 11) & 0xF9) == 0x9)
                        /* LDR register offset, no write-back, up, pre indexed.  */
                        LHPREUP ();
                    /* Continue with remaining instruction decoding.  */
#endif
                    rhs = DPSRegRHS;
                    dest = LHS | rhs;
                    WRITESDEST (dest);
                    break;

                case 0x1a:	/* MOV reg */
#ifdef MODET
                    if (BITS (4, 11) == 0xB) {
                        /* STRH register offset, write-back, up, pre indexed.  */
                        SHPREUPWB ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
                    if (BITS(4, 11) == 0xF9) { //strexd
                        u32 l = LHSReg;

                        bool enter = false;

                        if (state->currentexval == (u32)ARMul_ReadWord(state, state->currentexaddr)&&
                                state->currentexvald == (u32)ARMul_ReadWord(state, state->currentexaddr + 4))
                            enter = true;


                        //todo bug this and STREXD and LDREXD http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0360e/CHDGJGGC.html


                        if (enter) {
                            ARMul_StoreWordN(state, LHS, state->Reg[RHSReg]);
                            ARMul_StoreWordN(state,LHS + 4 , state->Reg[RHSReg + 1]);
                            state->Reg[DESTReg] = 0;
                        } else {
                            state->Reg[DESTReg] = 1;
                        }

                        break;
                    }
#endif
                    dest = DPRegRHS;
                    WRITEDEST (dest);
                    break;

                case 0x1B:	/* MOVS reg */
#ifdef MODET
                    /* ldrexd ichfly */
                    if (BITS(0, 11) == 0xF9F) { //strexd
                        lhs = LHS;

                        state->currentexaddr = lhs;
                        state->currentexval = (u32)ARMul_ReadWord(state, lhs);
                        state->currentexvald = (u32)ARMul_ReadWord(state, lhs + 4);

                        state->Reg[DESTReg] = ARMul_LoadWordN(state, lhs);
                        state->Reg[DESTReg] = ARMul_LoadWordN(state, lhs + 4);
                        break;
                    }

                    if ((BITS (4, 11) & 0xF9) == 0x9)
                        /* LDR register offset, write-back, up, pre indexed.  */
                        LHPREUPWB ();
                    /* Continue with remaining instruction decoding.  */




#endif
                    dest = DPSRegRHS;
                    WRITESDEST (dest);
                    break;

                case 0x1c:	/* BIC reg */
#ifdef MODET
                    /* dyf add for STREXB */
                    if (state->is_v6) {
                        if (BITS (4, 7) == 0x9) {
                            if (handle_v6_insn (state, instr))
                                break;
                        }
                    }
                    if (BITS (4, 7) == 0xB) {
                        /* STRH immediate offset, no write-back, up, pre indexed.  */
                        SHPREUP ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    } else if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
#endif
                    rhs = DPRegRHS;
                    dest = LHS & ~rhs;
                    WRITEDEST (dest);
                    break;

                case 0x1d:	/* BICS reg */
#ifdef MODET
                    /* ladsh P=1 U=1 W=0 L=1 S=1 H=1 */
                    if (BITS(4, 7) == 0xF) {
                        temp = LHS + GetLS7RHS (state, instr);
                        LoadHalfWord (state, instr, temp, LSIGNED);
                        break;

                    }
                    if (BITS (4, 7) == 0xb) {
                        /* LDRH immediate offset, no write-back, up, pre indexed.  */
                        temp = LHS + GetLS7RHS (state, instr);
                        LoadHalfWord (state, instr, temp, LUNSIGNED);
                        break;
                    }
                    if (BITS (4, 7) == 0xd) {
                        // alex-ykl fix: 2011-07-20 missing ldrsb instruction
                        temp = LHS + GetLS7RHS (state, instr);
                        LoadByte (state, instr, temp, LSIGNED);
                        break;
                    }

                    /* Continue with instruction decoding.  */
                    /*if ((BITS (4, 7) & 0x9) == 0x9) */
                    if ((BITS (4, 7)) == 0x9) {
                        /* ldrexb */
                        if (state->is_v6) {
                            if (handle_v6_insn (state, instr))
                                break;
                        }
                        /* LDR immediate offset, no write-back, up, pre indexed.  */
                        LHPREUP ();

                    }

#endif
                    rhs = DPSRegRHS;
                    dest = LHS & ~rhs;
                    WRITESDEST (dest);
                    break;

                case 0x1e:	/* MVN reg */
#ifdef MODET
                    if ((instr & 0x00000FF0) == 0x00000F90) { //if ((instr & 0x0FF00FF0) == 0x01e00f90) { //todo make that better ichfly
                        /* strexh ichfly */
                        u32 l = LHSReg;
                        u32 r = RHSReg;
                        lhs = LHS;

                        bool enter = false;

                        if (state->currentexval == (u32)ARMul_LoadHalfWord(state, state->currentexaddr))enter = true;


                        //StoreWord(state, lhs, RHS)
                        if (state->Aborted) {
                            TAKEABORT;
                        }
                        if (enter) {
                            ARMul_StoreHalfWord(state, lhs, RHS);
                            state->Reg[DESTReg] = 0;
                        } else {
                            state->Reg[DESTReg] = 1;
                        }
                        break;
                    }
                    if (BITS (4, 7) == 0xB) {
                        /* STRH immediate offset, write-back, up, pre indexed.  */
                        SHPREUPWB ();
                        break;
                    }
                    if (BITS (4, 7) == 0xD) {
                        Handle_Load_Double (state, instr);
                        break;
                    }
                    if (BITS (4, 7) == 0xF) {
                        Handle_Store_Double (state, instr);
                        break;
                    }
#endif
                    dest = ~DPRegRHS;
                    WRITEDEST (dest);
                    break;

                case 0x1f:	/* MVNS reg */
#ifdef MODET

                    if ((instr & 0x00000FF0) == 0x00000F90) { //(instr & 0x0FF00FF0) == 0x01f00f90)//if ((instr & 0x0FF00FF0) == 0x01f00f90) {
                        /* ldrexh ichfly */
                        lhs = LHS;

                        state->currentexaddr = lhs;
                        state->currentexval = (u32)ARMul_LoadHalfWord(state, lhs);

                        LoadHalfWord(state, instr, lhs,0);
                        break;
                    }

                    if ((BITS (4, 7) & 0x9) == 0x9)
                        /* LDR immediate offset, write-back, up, pre indexed.  */
                        LHPREUPWB ();
                    /* Continue instruction decoding.  */
#endif
                    dest = ~DPSRegRHS;
                    WRITESDEST (dest);
                    break;


                /* Data Processing Immediate RHS Instructions.  */

                case 0x20:	/* AND immed */
                    dest = LHS & DPImmRHS;
                    WRITEDEST (dest);
                    break;

                case 0x21:	/* ANDS immed */
                    DPSImmRHS;
                    dest = LHS & rhs;
                    WRITESDEST (dest);
                    break;

                case 0x22:	/* EOR immed */
                    dest = LHS ^ DPImmRHS;
                    WRITEDEST (dest);
                    break;

                case 0x23:	/* EORS immed */
                    DPSImmRHS;
                    dest = LHS ^ rhs;
                    WRITESDEST (dest);
                    break;

                case 0x24:	/* SUB immed */
                    dest = LHS - DPImmRHS;
                    WRITEDEST (dest);
                    break;

                case 0x25:	/* SUBS immed */
                    lhs = LHS;
                    rhs = DPImmRHS;
                    dest = lhs - rhs;

                    if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
                        ARMul_SubCarry (state, lhs, rhs, dest);
                        ARMul_SubOverflow (state, lhs, rhs, dest);
                    } else {
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x26:	/* RSB immed */
                    dest = DPImmRHS - LHS;
                    WRITEDEST (dest);
                    break;

                case 0x27:	/* RSBS immed */
                    lhs = LHS;
                    rhs = DPImmRHS;
                    dest = rhs - lhs;

                    if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
                        ARMul_SubCarry (state, rhs, lhs, dest);
                        ARMul_SubOverflow (state, rhs, lhs, dest);
                    } else {
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x28:	/* ADD immed */
                    dest = LHS + DPImmRHS;
                    WRITEDEST (dest);
                    break;

                case 0x29:	/* ADDS immed */
                    lhs = LHS;
                    rhs = DPImmRHS;
                    dest = lhs + rhs;
                    ASSIGNZ (dest == 0);

                    if ((lhs | rhs) >> 30) {
                        /* Possible C,V,N to set.  */
                        ASSIGNN (NEG (dest));
                        ARMul_AddCarry (state, lhs, rhs, dest);
                        ARMul_AddOverflow (state, lhs, rhs, dest);
                    } else {
                        CLEARN;
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x2a:	/* ADC immed */
                    dest = LHS + DPImmRHS + CFLAG;
                    WRITEDEST (dest);
                    break;

                case 0x2b:	/* ADCS immed */
                    lhs = LHS;
                    rhs = DPImmRHS;
                    dest = lhs + rhs + CFLAG;
                    ASSIGNZ (dest == 0);
                    if ((lhs | rhs) >> 30) {
                        /* Possible C,V,N to set.  */
                        ASSIGNN (NEG (dest));
                        ARMul_AddCarry (state, lhs, rhs, dest);
                        ARMul_AddOverflow (state, lhs, rhs, dest);
                    } else {
                        CLEARN;
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x2c:	/* SBC immed */
                    dest = LHS - DPImmRHS - !CFLAG;
                    WRITEDEST (dest);
                    break;

                case 0x2d:	/* SBCS immed */
                    lhs = LHS;
                    rhs = DPImmRHS;
                    dest = lhs - rhs - !CFLAG;
                    if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
                        ARMul_SubCarry (state, lhs, rhs, dest);
                        ARMul_SubOverflow (state, lhs, rhs, dest);
                    } else {
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x2e:	/* RSC immed */
                    dest = DPImmRHS - LHS - !CFLAG;
                    WRITEDEST (dest);
                    break;

                case 0x2f:	/* RSCS immed */
                    lhs = LHS;
                    rhs = DPImmRHS;
                    dest = rhs - lhs - !CFLAG;
                    if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
                        ARMul_SubCarry (state, rhs, lhs, dest);
                        ARMul_SubOverflow (state, rhs, lhs, dest);
                    } else {
                        CLEARC;
                        CLEARV;
                    }
                    WRITESDEST (dest);
                    break;

                case 0x30:	/* TST immed */
                    /* shenoubang 2012-3-14*/
                    if (state->is_v6) { /* movw, ARMV6, ARMv7 */
                        dest ^= dest;
                        dest = BITS(16, 19);
                        dest = ((dest<<12) | BITS(0, 11));
                        WRITEDEST(dest);
                        //SKYEYE_DBG("In %s, line = %d, pc = 0x%x, instr = 0x%x, R[0:11]: 0x%x, R[16:19]: 0x%x, R[%d]:0x%x\n",
                        //		__func__, __LINE__, pc, instr, BITS(0, 11), BITS(16, 19), DESTReg, state->Reg[DESTReg]);
                        break;
                    } else {
                        UNDEF_Test;
                        break;
                    }

                case 0x31:	/* TSTP immed */
                    if (DESTReg == 15) {
                        /* TSTP immed.  */
#ifdef MODE32
                        state->Cpsr = GETSPSR (state->Bank);
                        ARMul_CPSRAltered (state);
#else
                        temp = LHS & DPImmRHS;
                        SETR15PSR (temp);
#endif
                    } else {
                        /* TST immed.  */
                        DPSImmRHS;
                        dest = LHS & rhs;
                        ARMul_NegZero (state, dest);
                    }
                    break;

                case 0x32:	/* TEQ immed and MSR immed to CPSR */
                    if (DESTReg == 15)
                        /* MSR immed to CPSR.  */
                        ARMul_FixCPSR (state, instr,
                                       DPImmRHS);
                    else
                        UNDEF_Test;
                    break;

                case 0x33:	/* TEQP immed */
                    if (DESTReg == 15) {
                        /* TEQP immed.  */
#ifdef MODE32
                        state->Cpsr = GETSPSR (state->Bank);
                        ARMul_CPSRAltered (state);
#else
                        temp = LHS ^ DPImmRHS;
                        SETR15PSR (temp);
#endif
                    } else {
                        DPSImmRHS;	/* TEQ immed */
                        dest = LHS ^ rhs;
                        ARMul_NegZero (state, dest);
                    }
                    break;

                case 0x34:	/* CMP immed */
                    UNDEF_Test;
                    break;

                case 0x35:	/* CMPP immed */
                    if (DESTReg == 15) {
                        /* CMPP immed.  */
#ifdef MODE32
                        state->Cpsr = GETSPSR (state->Bank);
                        ARMul_CPSRAltered (state);
#else
                        temp = LHS - DPImmRHS;
                        SETR15PSR (temp);
#endif
                        break;
                    } else {
                        /* CMP immed.  */
                        lhs = LHS;
                        rhs = DPImmRHS;
                        dest = lhs - rhs;
                        ARMul_NegZero (state, dest);

                        if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
                            ARMul_SubCarry (state, lhs, rhs, dest);
                            ARMul_SubOverflow (state, lhs, rhs, dest);
                        } else {
                            CLEARC;
                            CLEARV;
                        }
                    }
                    break;

                case 0x36:	/* CMN immed and MSR immed to SPSR */
                    //if (DESTReg == 15)
                    /*ARMul0_FixSPSR (state, instr,
                    	       DPImmRHS);*/
                    //else
                    UNDEF_Test;
                    break;

                case 0x37:	/* CMNP immed.  */
                    if (DESTReg == 15) {
                        /* CMNP immed.  */
#ifdef MODE32
                        state->Cpsr = GETSPSR (state->Bank);
                        ARMul_CPSRAltered (state);
#else
                        temp = LHS + DPImmRHS;
                        SETR15PSR (temp);
#endif
                        break;
                    } else {
                        /* CMN immed.  */
                        lhs = LHS;
                        rhs = DPImmRHS;
                        dest = lhs + rhs;
                        ASSIGNZ (dest == 0);
                        if ((lhs | rhs) >> 30) {
                            /* Possible C,V,N to set.  */
                            ASSIGNN (NEG (dest));
                            ARMul_AddCarry (state, lhs, rhs, dest);
                            ARMul_AddOverflow (state, lhs, rhs, dest);
                        } else {
                            CLEARN;
                            CLEARC;
                            CLEARV;
                        }
                    }
                    break;

                case 0x38:	/* ORR immed.  */
                    dest = LHS | DPImmRHS;
                    WRITEDEST (dest);
                    break;

                case 0x39:	/* ORRS immed.  */
                    DPSImmRHS;
                    dest = LHS | rhs;
                    WRITESDEST (dest);
                    break;

                case 0x3a:	/* MOV immed.  */
                    dest = DPImmRHS;
                    WRITEDEST (dest);
                    break;

                case 0x3b:	/* MOVS immed.  */
                    DPSImmRHS;
                    WRITESDEST (rhs);
                    break;

                case 0x3c:	/* BIC immed.  */
                    dest = LHS & ~DPImmRHS;
                    WRITEDEST (dest);
                    break;

                case 0x3d:	/* BICS immed.  */
                    DPSImmRHS;
                    dest = LHS & ~rhs;
                    WRITESDEST (dest);
                    break;

                case 0x3e:	/* MVN immed.  */
                    dest = ~DPImmRHS;
                    WRITEDEST (dest);
                    break;

                case 0x3f:	/* MVNS immed.  */
                    DPSImmRHS;
                    WRITESDEST (~rhs);
                    break;


                /* Single Data Transfer Immediate RHS Instructions.  */

                case 0x40:	/* Store Word, No WriteBack, Post Dec, Immed.  */
                    lhs = LHS;
                    if (StoreWord (state, instr, lhs))
                        LSBase = lhs - LSImmRHS;
                    break;

                case 0x41:	/* Load Word, No WriteBack, Post Dec, Immed.  */
                    lhs = LHS;
                    if (LoadWord (state, instr, lhs))
                        LSBase = lhs - LSImmRHS;
                    break;

                case 0x42:	/* Store Word, WriteBack, Post Dec, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    lhs = LHS;
                    temp = lhs - LSImmRHS;
                    state->NtransSig = LOW;
                    if (StoreWord (state, instr, lhs))
                        LSBase = temp;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x43:	/* Load Word, WriteBack, Post Dec, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (LoadWord (state, instr, lhs))
                        LSBase = lhs - LSImmRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x44:	/* Store Byte, No WriteBack, Post Dec, Immed.  */
                    lhs = LHS;
                    if (StoreByte (state, instr, lhs))
                        LSBase = lhs - LSImmRHS;
                    break;

                case 0x45:	/* Load Byte, No WriteBack, Post Dec, Immed.  */
                    lhs = LHS;
                    if (LoadByte (state, instr, lhs, LUNSIGNED))
                        LSBase = lhs - LSImmRHS;
                    break;

                case 0x46:	/* Store Byte, WriteBack, Post Dec, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (StoreByte (state, instr, lhs))
                        LSBase = lhs - LSImmRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x47:	/* Load Byte, WriteBack, Post Dec, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (LoadByte (state, instr, lhs, LUNSIGNED))
                        LSBase = lhs - LSImmRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x48:	/* Store Word, No WriteBack, Post Inc, Immed.  */
                    lhs = LHS;
                    if (StoreWord (state, instr, lhs))
                        LSBase = lhs + LSImmRHS;
                    break;

                case 0x49:	/* Load Word, No WriteBack, Post Inc, Immed.  */
                    lhs = LHS;
                    if (LoadWord (state, instr, lhs))
                        LSBase = lhs + LSImmRHS;
                    break;

                case 0x4a:	/* Store Word, WriteBack, Post Inc, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (StoreWord (state, instr, lhs))
                        LSBase = lhs + LSImmRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x4b:	/* Load Word, WriteBack, Post Inc, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (LoadWord (state, instr, lhs))
                        LSBase = lhs + LSImmRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x4c:	/* Store Byte, No WriteBack, Post Inc, Immed.  */
                    lhs = LHS;
                    if (StoreByte (state, instr, lhs))
                        LSBase = lhs + LSImmRHS;
                    break;

                case 0x4d:	/* Load Byte, No WriteBack, Post Inc, Immed.  */
                    lhs = LHS;
                    if (LoadByte (state, instr, lhs, LUNSIGNED))
                        LSBase = lhs + LSImmRHS;
                    break;

                case 0x4e:	/* Store Byte, WriteBack, Post Inc, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (StoreByte (state, instr, lhs))
                        LSBase = lhs + LSImmRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x4f:	/* Load Byte, WriteBack, Post Inc, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (LoadByte (state, instr, lhs, LUNSIGNED))
                        LSBase = lhs + LSImmRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;


                case 0x50:	/* Store Word, No WriteBack, Pre Dec, Immed.  */
                    (void) StoreWord (state, instr, LHS - LSImmRHS);
                    break;

                case 0x51:	/* Load Word, No WriteBack, Pre Dec, Immed.  */
                    (void) LoadWord (state, instr, LHS - LSImmRHS);
                    break;

                case 0x52:	/* Store Word, WriteBack, Pre Dec, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    temp = LHS - LSImmRHS;
                    if (StoreWord (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x53:	/* Load Word, WriteBack, Pre Dec, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    temp = LHS - LSImmRHS;
                    if (LoadWord (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x54:	/* Store Byte, No WriteBack, Pre Dec, Immed.  */
                    (void) StoreByte (state, instr, LHS - LSImmRHS);
                    break;

                case 0x55:	/* Load Byte, No WriteBack, Pre Dec, Immed.  */
                    (void) LoadByte (state, instr, LHS - LSImmRHS, LUNSIGNED);
                    break;

                case 0x56:	/* Store Byte, WriteBack, Pre Dec, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    temp = LHS - LSImmRHS;
                    if (StoreByte (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x57:	/* Load Byte, WriteBack, Pre Dec, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    temp = LHS - LSImmRHS;
                    if (LoadByte (state, instr, temp, LUNSIGNED))
                        LSBase = temp;
                    break;

                case 0x58:	/* Store Word, No WriteBack, Pre Inc, Immed.  */
                    (void) StoreWord (state, instr, LHS + LSImmRHS);
                    break;

                case 0x59:	/* Load Word, No WriteBack, Pre Inc, Immed.  */
                    (void) LoadWord (state, instr, LHS + LSImmRHS);
                    break;

                case 0x5a:	/* Store Word, WriteBack, Pre Inc, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    temp = LHS + LSImmRHS;
                    if (StoreWord (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x5b:	/* Load Word, WriteBack, Pre Inc, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    temp = LHS + LSImmRHS;
                    if (LoadWord (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x5c:	/* Store Byte, No WriteBack, Pre Inc, Immed.  */
                    (void) StoreByte (state, instr, LHS + LSImmRHS);
                    break;

                case 0x5d:	/* Load Byte, No WriteBack, Pre Inc, Immed.  */
                    (void) LoadByte (state, instr, LHS + LSImmRHS, LUNSIGNED);
                    break;

                case 0x5e:	/* Store Byte, WriteBack, Pre Inc, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    temp = LHS + LSImmRHS;
                    if (StoreByte (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x5f:	/* Load Byte, WriteBack, Pre Inc, Immed.  */
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    temp = LHS + LSImmRHS;
                    if (LoadByte (state, instr, temp, LUNSIGNED))
                        LSBase = temp;
                    break;


                /* Single Data Transfer Register RHS Instructions.  */

                case 0x60:	/* Store Word, No WriteBack, Post Dec, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    if (StoreWord (state, instr, lhs))
                        LSBase = lhs - LSRegRHS;
                    break;

                case 0x61:	/* Load Word, No WriteBack, Post Dec, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    temp = lhs - LSRegRHS;
                    if (LoadWord (state, instr, lhs))
                        LSBase = temp;
                    break;

                case 0x62:	/* Store Word, WriteBack, Post Dec, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (StoreWord (state, instr, lhs))
                        LSBase = lhs - LSRegRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x63:	/* Load Word, WriteBack, Post Dec, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    temp = lhs - LSRegRHS;
                    state->NtransSig = LOW;
                    if (LoadWord (state, instr, lhs))
                        LSBase = temp;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x64:	/* Store Byte, No WriteBack, Post Dec, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    if (StoreByte (state, instr, lhs))
                        LSBase = lhs - LSRegRHS;
                    break;

                case 0x65:	/* Load Byte, No WriteBack, Post Dec, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    temp = lhs - LSRegRHS;
                    if (LoadByte (state, instr, lhs, LUNSIGNED))
                        LSBase = temp;
                    break;

                case 0x66:	/* Store Byte, WriteBack, Post Dec, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (StoreByte (state, instr, lhs))
                        LSBase = lhs - LSRegRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x67:	/* Load Byte, WriteBack, Post Dec, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6
                                && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    temp = lhs - LSRegRHS;
                    state->NtransSig = LOW;
                    if (LoadByte (state, instr, lhs, LUNSIGNED))
                        LSBase = temp;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x68:	/* Store Word, No WriteBack, Post Inc, Reg.  */
                    //ichfly PKHBT PKHTB todo check this
                    if ((instr & 0x70) == 0x10) { //pkhbt
                        u8 idest = BITS(12, 15);
                        u8 rfis = BITS(16, 19);
                        u8 rlast = BITS(0, 3);
                        u8 ishi = BITS(7,11);
                        state->Reg[idest] = (state->Reg[rfis] & 0xFFFF) | ((state->Reg[rlast] << ishi) & 0xFFFF0000);
                        break;
                    } else if ((instr & 0x70) == 0x50) { //pkhtb
                        const u8 rd_idx = BITS(12, 15);
                        const u8 rn_idx = BITS(16, 19);
                        const u8 rm_idx = BITS(0, 3);
                        const u8 imm5 = BITS(7, 11);

                        ARMword val;
                        if (imm5 >= 32)
                            val = (state->Reg[rm_idx] >> 31);
                        else
                            val = (state->Reg[rm_idx] >> imm5);

                        state->Reg[rd_idx] = (val & 0xFFFF) | ((state->Reg[rn_idx]) & 0xFFFF0000);
                        break;
                    } else if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6
                                && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    if (StoreWord (state, instr, lhs))
                        LSBase = lhs + LSRegRHS;
                    break;

                case 0x69:	/* Load Word, No WriteBack, Post Inc, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    temp = lhs + LSRegRHS;
                    if (LoadWord (state, instr, lhs))
                        LSBase = temp;
                    break;

                case 0x6a:	/* Store Word, WriteBack, Post Inc, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6
                                && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (StoreWord (state, instr, lhs))
                        LSBase = lhs + LSRegRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x6b:	/* Load Word, WriteBack, Post Inc, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6
                                && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    temp = lhs + LSRegRHS;
                    state->NtransSig = LOW;
                    if (LoadWord (state, instr, lhs))
                        LSBase = temp;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x6c:	/* Store Byte, No WriteBack, Post Inc, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6
                                && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    if (StoreByte (state, instr, lhs))
                        LSBase = lhs + LSRegRHS;
                    break;

                case 0x6d:	/* Load Byte, No WriteBack, Post Inc, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    temp = lhs + LSRegRHS;
                    if (LoadByte (state, instr, lhs, LUNSIGNED))
                        LSBase = temp;
                    break;

                case 0x6e:	/* Store Byte, WriteBack, Post Inc, Reg.  */
#if 0
                    if (state->is_v6) {
                        int Rm = 0;
                        /* utxb */
                        if (BITS(15, 19) == 0xf && BITS(4, 7) == 0x7) {

                            Rm = (RHS >> (8 * BITS(10, 11))) & 0xff;
                            DEST = Rm;
                        }

                    }
#endif
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6
                                && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    state->NtransSig = LOW;
                    if (StoreByte (state, instr, lhs))
                        LSBase = lhs + LSRegRHS;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;

                case 0x6f:	/* Load Byte, WriteBack, Post Inc, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6
                                && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    lhs = LHS;
                    temp = lhs + LSRegRHS;
                    state->NtransSig = LOW;
                    if (LoadByte (state, instr, lhs, LUNSIGNED))
                        LSBase = temp;
                    state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
                    break;


                case 0x70:	/* Store Word, No WriteBack, Pre Dec, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    (void) StoreWord (state, instr, LHS - LSRegRHS);
                    break;

                case 0x71:	/* Load Word, No WriteBack, Pre Dec, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    (void) LoadWord (state, instr, LHS - LSRegRHS);
                    break;

                case 0x72:	/* Store Word, WriteBack, Pre Dec, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    temp = LHS - LSRegRHS;
                    if (StoreWord (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x73:	/* Load Word, WriteBack, Pre Dec, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    temp = LHS - LSRegRHS;
                    if (LoadWord (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x74:	/* Store Byte, No WriteBack, Pre Dec, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    (void) StoreByte (state, instr, LHS - LSRegRHS);
                    break;

                case 0x75:	/* Load Byte, No WriteBack, Pre Dec, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    (void) LoadByte (state, instr, LHS - LSRegRHS, LUNSIGNED);
                    break;

                case 0x76:	/* Store Byte, WriteBack, Pre Dec, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    temp = LHS - LSRegRHS;
                    if (StoreByte (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x77:	/* Load Byte, WriteBack, Pre Dec, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    temp = LHS - LSRegRHS;
                    if (LoadByte (state, instr, temp, LUNSIGNED))
                        LSBase = temp;
                    break;

                case 0x78:	/* Store Word, No WriteBack, Pre Inc, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    (void) StoreWord (state, instr, LHS + LSRegRHS);
                    break;

                case 0x79:	/* Load Word, No WriteBack, Pre Inc, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    (void) LoadWord (state, instr, LHS + LSRegRHS);
                    break;

                case 0x7a:	/* Store Word, WriteBack, Pre Inc, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    temp = LHS + LSRegRHS;
                    if (StoreWord (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x7b:	/* Load Word, WriteBack, Pre Inc, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    temp = LHS + LSRegRHS;
                    if (LoadWord (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x7c:	/* Store Byte, No WriteBack, Pre Inc, Reg.  */
                    if (BIT (4)) {
#ifdef MODE32
                        if (state->is_v6 && handle_v6_insn (state, instr))
                            break;
#endif

                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    (void) StoreByte (state, instr, LHS + LSRegRHS);
                    break;

                case 0x7d:	/* Load Byte, No WriteBack, Pre Inc, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    (void) LoadByte (state, instr, LHS + LSRegRHS, LUNSIGNED);
                    break;

                case 0x7e:	/* Store Byte, WriteBack, Pre Inc, Reg.  */
                    if (BIT (4)) {
                        ARMul_UndefInstr (state, instr);
                        break;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    temp = LHS + LSRegRHS;
                    if (StoreByte (state, instr, temp))
                        LSBase = temp;
                    break;

                case 0x7f:	/* Load Byte, WriteBack, Pre Inc, Reg.  */
                    if (BIT (4)) {
                        LOG_DEBUG(Core_ARM11, "got unhandled special breakpoint");
                        return 1;
                    }
                    UNDEF_LSRBaseEQOffWb;
                    UNDEF_LSRBaseEQDestWb;
                    UNDEF_LSRPCBaseWb;
                    UNDEF_LSRPCOffWb;
                    temp = LHS + LSRegRHS;
                    if (LoadByte (state, instr, temp, LUNSIGNED))
                        LSBase = temp;
                    break;


                /* Multiple Data Transfer Instructions.  */

                case 0x80:	/* Store, No WriteBack, Post Dec.  */
                    STOREMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
                    break;

                case 0x81:	/* Load, No WriteBack, Post Dec.  */
                    LOADMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
                    break;

                case 0x82:	/* Store, WriteBack, Post Dec.  */
                    temp = LSBase - LSMNumRegs;
                    STOREMULT (instr, temp + 4L, temp);
                    break;

                case 0x83:	/* Load, WriteBack, Post Dec.  */
                    temp = LSBase - LSMNumRegs;
                    LOADMULT (instr, temp + 4L, temp);
                    break;

                case 0x84:	/* Store, Flags, No WriteBack, Post Dec.  */
                    STORESMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
                    break;

                case 0x85:	/* Load, Flags, No WriteBack, Post Dec.  */
                    LOADSMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
                    break;

                case 0x86:	/* Store, Flags, WriteBack, Post Dec.  */
                    temp = LSBase - LSMNumRegs;
                    STORESMULT (instr, temp + 4L, temp);
                    break;

                case 0x87:	/* Load, Flags, WriteBack, Post Dec.  */
                    temp = LSBase - LSMNumRegs;
                    LOADSMULT (instr, temp + 4L, temp);
                    break;

                case 0x88:	/* Store, No WriteBack, Post Inc.  */
                    STOREMULT (instr, LSBase, 0L);
                    break;

                case 0x89:	/* Load, No WriteBack, Post Inc.  */
                    LOADMULT (instr, LSBase, 0L);
                    break;

                case 0x8a:	/* Store, WriteBack, Post Inc.  */
                    temp = LSBase;
                    STOREMULT (instr, temp, temp + LSMNumRegs);
                    break;

                case 0x8b:	/* Load, WriteBack, Post Inc.  */
                    temp = LSBase;
                    LOADMULT (instr, temp, temp + LSMNumRegs);
                    break;

                case 0x8c:	/* Store, Flags, No WriteBack, Post Inc.  */
                    STORESMULT (instr, LSBase, 0L);
                    break;

                case 0x8d:	/* Load, Flags, No WriteBack, Post Inc.  */
                    LOADSMULT (instr, LSBase, 0L);
                    break;

                case 0x8e:	/* Store, Flags, WriteBack, Post Inc.  */
                    temp = LSBase;
                    STORESMULT (instr, temp, temp + LSMNumRegs);
                    break;

                case 0x8f:	/* Load, Flags, WriteBack, Post Inc.  */
                    temp = LSBase;
                    LOADSMULT (instr, temp, temp + LSMNumRegs);
                    break;

                case 0x90:	/* Store, No WriteBack, Pre Dec.  */
                    STOREMULT (instr, LSBase - LSMNumRegs, 0L);
                    break;

                case 0x91:	/* Load, No WriteBack, Pre Dec.  */
                    LOADMULT (instr, LSBase - LSMNumRegs, 0L);
                    break;

                case 0x92:	/* Store, WriteBack, Pre Dec.  */
                    temp = LSBase - LSMNumRegs;
                    STOREMULT (instr, temp, temp);
                    break;

                case 0x93:	/* Load, WriteBack, Pre Dec.  */
                    temp = LSBase - LSMNumRegs;
                    LOADMULT (instr, temp, temp);
                    break;

                case 0x94:	/* Store, Flags, No WriteBack, Pre Dec.  */
                    STORESMULT (instr, LSBase - LSMNumRegs, 0L);
                    break;

                case 0x95:	/* Load, Flags, No WriteBack, Pre Dec.  */
                    LOADSMULT (instr, LSBase - LSMNumRegs, 0L);
                    break;

                case 0x96:	/* Store, Flags, WriteBack, Pre Dec.  */
                    temp = LSBase - LSMNumRegs;
                    STORESMULT (instr, temp, temp);
                    break;

                case 0x97:	/* Load, Flags, WriteBack, Pre Dec.  */
                    temp = LSBase - LSMNumRegs;
                    LOADSMULT (instr, temp, temp);
                    break;

                case 0x98:	/* Store, No WriteBack, Pre Inc.  */
                    STOREMULT (instr, LSBase + 4L, 0L);
                    break;

                case 0x99:	/* Load, No WriteBack, Pre Inc.  */
                    LOADMULT (instr, LSBase + 4L, 0L);
                    break;

                case 0x9a:	/* Store, WriteBack, Pre Inc.  */
                    temp = LSBase;
                    STOREMULT (instr, temp + 4L, temp + LSMNumRegs);
                    break;

                case 0x9b:	/* Load, WriteBack, Pre Inc.  */
                    temp = LSBase;
                    LOADMULT (instr, temp + 4L, temp + LSMNumRegs);
                    break;

                case 0x9c:	/* Store, Flags, No WriteBack, Pre Inc.  */
                    STORESMULT (instr, LSBase + 4L, 0L);
                    break;

                case 0x9d:	/* Load, Flags, No WriteBack, Pre Inc.  */
                    LOADSMULT (instr, LSBase + 4L, 0L);
                    break;

                case 0x9e:	/* Store, Flags, WriteBack, Pre Inc.  */
                    temp = LSBase;
                    STORESMULT (instr, temp + 4L, temp + LSMNumRegs);
                    break;

                case 0x9f:	/* Load, Flags, WriteBack, Pre Inc.  */
                    temp = LSBase;
                    LOADSMULT (instr, temp + 4L, temp + LSMNumRegs);
                    break;


                /* Branch forward.  */
                case 0xa0:
                case 0xa1:
                case 0xa2:
                case 0xa3:
                case 0xa4:
                case 0xa5:
                case 0xa6:
                case 0xa7:
                    state->Reg[15] = pc + 8 + POSBRANCH;
                    FLUSHPIPE;
                    break;


                /* Branch backward.  */
                case 0xa8:
                case 0xa9:
                case 0xaa:
                case 0xab:
                case 0xac:
                case 0xad:
                case 0xae:
                case 0xaf:
                    state->Reg[15] = pc + 8 + NEGBRANCH;
                    FLUSHPIPE;
                    break;


                /* Branch and Link forward.  */
                case 0xb0:
                case 0xb1:
                case 0xb2:
                case 0xb3:
                case 0xb4:
                case 0xb5:
                case 0xb6:
                case 0xb7:

                    /* Put PC into Link.  */
#ifdef MODE32
                    state->Reg[14] = pc + 4;
#else
                    state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE;
#endif
                    state->Reg[15] = pc + 8 + POSBRANCH;
                    FLUSHPIPE;

#ifdef callstacker
                    memset(a, 0, 256);
                    aufloeser(a, state->Reg[15]);
                    printf("call %08X %08X %s(%08X %08X %08X %08X %08X %08X %08X)\n", state->Reg[14], state->Reg[15], a, state->Reg[0], state->Reg[1], state->Reg[2], state->Reg[3], mem_Read32(state->Reg[13]), mem_Read32(state->Reg[13] - 4),mem_Read32(state->Reg[13] - 8));
#endif


                    break;


                /* Branch and Link backward.  */
                case 0xb8:
                case 0xb9:
                case 0xba:
                case 0xbb:
                case 0xbc:
                case 0xbd:
                case 0xbe:
                case 0xbf:
                    /* Put PC into Link.  */
#ifdef MODE32
                    state->Reg[14] = pc + 4;
#else
                    state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE;
#endif
                    state->Reg[15] = pc + 8 + NEGBRANCH;
                    FLUSHPIPE;


#ifdef callstacker
                    memset(a, 0, 256);
                    aufloeser(a, state->Reg[15]);
                    printf("call %08X %08X %s(%08X %08X %08X %08X %08X %08X %08X)\n", state->Reg[14], state->Reg[15], a, state->Reg[0], state->Reg[1], state->Reg[2], state->Reg[3], mem_Read32(state->Reg[13]), mem_Read32(state->Reg[13] - 4),mem_Read32(state->Reg[13] - 8));
#endif



                    break;


                /* Co-Processor Data Transfers.  */
                case 0xc4:
                    if ((instr & 0x0FF00FF0) == 0xC400B10) { //vmov BIT(0-3), BIT(12-15), BIT(16-20),  vmov d0, r0, r0
                        state->ExtReg[BITS(0, 3) << 1] = state->Reg[BITS(12, 15)];
                        state->ExtReg[(BITS(0, 3) << 1) + 1] = state->Reg[BITS(16, 20)];
                        break;
                    } else if (state->is_v5) {
                        /* Reading from R15 is UNPREDICTABLE.  */
                        if (BITS (12, 15) == 15 || BITS (16, 19) == 15)
                            ARMul_UndefInstr (state, instr);
                        /* Is access to coprocessor 0 allowed ?  */
                        else if (!CP_ACCESS_ALLOWED(state, CPNum))
                            ARMul_UndefInstr (state, instr);
                        else {
                            /* MCRR, ARMv5TE and up */
                            ARMul_MCRR (state, instr, DEST, state->Reg[LHSReg]);
                            break;
                        }
                    }
                /* Drop through.  */

                case 0xc0:	/* Store , No WriteBack , Post Dec.  */
                    ARMul_STC (state, instr, LHS);
                    break;

                case 0xc5:
                    if ((instr & 0x00000FF0) == 0xB10) { //vmov BIT(12-15), BIT(16-20), BIT(0-3) vmov r0, r0, d0
                        state->Reg[BITS(12, 15)] = state->ExtReg[BITS(0, 3) << 1];
                        state->Reg[BITS(16, 19)] = state->ExtReg[(BITS(0, 3) << 1) + 1];
                        break;
                    } else if (state->is_v5) {
                        /* Writes to R15 are UNPREDICATABLE.  */
                        if (DESTReg == 15 || LHSReg == 15)
                            ARMul_UndefInstr (state, instr);
                        /* Is access to the coprocessor allowed ?  */
                        else if (!CP_ACCESS_ALLOWED(state, CPNum)) {
                            ARMul_UndefInstr(state, instr);
                        } else {
                            /* MRRC, ARMv5TE and up */
                            ARMul_MRRC (state, instr, &DEST, &(state->Reg[LHSReg]));
                            break;
                        }
                    }
                /* Drop through.  */

                case 0xc1:	/* Load , No WriteBack , Post Dec.  */
                    ARMul_LDC (state, instr, LHS);
                    break;

                case 0xc2:
                case 0xc6:	/* Store , WriteBack , Post Dec.  */
                    lhs = LHS;
                    state->Base = lhs - LSCOff;
                    ARMul_STC (state, instr, lhs);
                    break;

                case 0xc3:
                case 0xc7:	/* Load , WriteBack , Post Dec.  */
                    lhs = LHS;
                    state->Base = lhs - LSCOff;
                    ARMul_LDC (state, instr, lhs);
                    break;

                case 0xc8:
                case 0xcc:	/* Store , No WriteBack , Post Inc.  */
                    ARMul_STC (state, instr, LHS);
                    break;

                case 0xc9:
                case 0xcd:	/* Load , No WriteBack , Post Inc.  */
                    ARMul_LDC (state, instr, LHS);
                    break;

                case 0xca:
                case 0xce:	/* Store , WriteBack , Post Inc.  */
                    lhs = LHS;
                    state->Base = lhs + LSCOff;
                    ARMul_STC (state, instr, LHS);
                    break;

                case 0xcb:
                case 0xcf:	/* Load , WriteBack , Post Inc.  */
                    lhs = LHS;
                    state->Base = lhs + LSCOff;
                    ARMul_LDC (state, instr, LHS);
                    break;

                case 0xd0:
                case 0xd4:	/* Store , No WriteBack , Pre Dec.  */
                    ARMul_STC (state, instr, LHS - LSCOff);
                    break;

                case 0xd1:
                case 0xd5:	/* Load , No WriteBack , Pre Dec.  */
                    ARMul_LDC (state, instr, LHS - LSCOff);
                    break;

                case 0xd2:
                case 0xd6:	/* Store , WriteBack , Pre Dec.  */
                    lhs = LHS - LSCOff;
                    state->Base = lhs;
                    ARMul_STC (state, instr, lhs);
                    break;

                case 0xd3:
                case 0xd7:	/* Load , WriteBack , Pre Dec.  */
                    lhs = LHS - LSCOff;
                    state->Base = lhs;
                    ARMul_LDC (state, instr, lhs);
                    break;

                case 0xd8:
                case 0xdc:	/* Store , No WriteBack , Pre Inc.  */
                    ARMul_STC (state, instr, LHS + LSCOff);
                    break;

                case 0xd9:
                case 0xdd:	/* Load , No WriteBack , Pre Inc.  */
                    ARMul_LDC (state, instr, LHS + LSCOff);
                    break;

                case 0xda:
                case 0xde:	/* Store , WriteBack , Pre Inc.  */
                    lhs = LHS + LSCOff;
                    state->Base = lhs;
                    ARMul_STC (state, instr, lhs);
                    break;

                case 0xdb:
                case 0xdf:	/* Load , WriteBack , Pre Inc.  */
                    lhs = LHS + LSCOff;
                    state->Base = lhs;
                    ARMul_LDC (state, instr, lhs);
                    break;


                /* Co-Processor Register Transfers (MCR) and Data Ops.  */

                case 0xe2:
                /*if (!CP_ACCESS_ALLOWED (state, CPNum)) {
                    ARMul_UndefInstr (state, instr);
                    break;
                }*/

                case 0xe0:
                case 0xe4:
                case 0xe6:
                case 0xe8:
                case 0xea:
                case 0xec:
                case 0xee:
                    if (BIT (4)) {
                        /* MCR.  */
                        if (DESTReg == 15) {
                            UNDEF_MCRPC;
#ifdef MODE32
                            ARMul_MCR (state, instr, state->Reg[15] + isize);
#else
                            ARMul_MCR (state, instr, ECC | ER15INT | EMODE | ((state->Reg[15] + isize) & R15PCBITS));
#endif
                        } else
                            ARMul_MCR (state, instr, DEST);
                    } else
                        /* CDP Part 1.  */
                        ARMul_CDP (state, instr);
                    break;


                /* Co-Processor Register Transfers (MRC) and Data Ops.  */
                case 0xe1:
                case 0xe3:
                case 0xe5:
                case 0xe7:
                case 0xe9:
                case 0xeb:
                case 0xed:
                case 0xef:
                    if (BIT (4)) {
                        /* MRC */
                        temp = ARMul_MRC (state, instr);
                        if (DESTReg == 15) {
                            ASSIGNN ((temp & NBIT) != 0);
                            ASSIGNZ ((temp & ZBIT) != 0);
                            ASSIGNC ((temp & CBIT) != 0);
                            ASSIGNV ((temp & VBIT) != 0);
                        } else
                            DEST = temp;
                    } else
                        /* CDP Part 2.  */
                        ARMul_CDP (state, instr);
                    break;


                /* SWI instruction.  */
                case 0xf0:
                case 0xf1:
                case 0xf2:
                case 0xf3:
                case 0xf4:
                case 0xf5:
                case 0xf6:
                case 0xf7:
                case 0xf8:
                case 0xf9:
                case 0xfa:
                case 0xfb:
                case 0xfc:
                case 0xfd:
                case 0xfe:
                case 0xff:
                    //svc_Execute(state, BITS(0, 23));
                    HLE::CallSVC(instr);
                    
                    break;
                }
            }

#ifdef MODET
donext:
#endif
            state->pc = pc;
#if 0
            /* shenoubang */
            instr_sum++;
            int i, j;
            i = j = 0;
            if (instr_sum >= 7388648) {
                //if (pc == 0xc0008ab4) {
                //	printf("instr_sum: %d\n", instr_sum);
                // start_kernel : 0xc000895c
                printf("--------------------------------------------------\n");
                for (i = 0; i < 16; i++) {
                    printf("[R%02d]:[0x%08x]\t", i, state->Reg[i]);
                    if ((i % 3) == 2) {
                        printf("\n");
                    }
                }
                printf("[cpr]:[0x%08x]\t[spr0]:[0x%08x]\n", state->Cpsr, state->Spsr[0]);
                for (j = 1; j < 7; j++) {
                    printf("[spr%d]:[0x%08x]\t", j, state->Spsr[j]);
                    if ((j % 4) == 3) {
                        printf("\n");
                    }
                }
                printf("\n[PC]:[0x%08x]\t[INST]:[0x%08x]\t[COUNT]:[%d]\n", pc, instr, instr_sum);
                printf("--------------------------------------------------\n");
            }
#endif

#if 0
            fprintf(state->state_log, "PC:0x%x\n", pc);
            for (reg_index = 0; reg_index < 16; reg_index ++) {
                if (state->Reg[reg_index] != mirror_register_file[reg_index]) {
                    fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]);
                    mirror_register_file[reg_index] = state->Reg[reg_index];
                }
            }
            if (state->Cpsr != mirror_register_file[CPSR_REG]) {
                fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr);
                mirror_register_file[CPSR_REG] = state->Cpsr;
            }
            if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) {
                fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]);
                mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13];
            }
            if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) {
                fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]);
                mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14];
            }
            if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) {
                fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]);
                mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13];
            }
            if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) {
                fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]);
                mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14];
            }
            if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) {
                fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]);
                mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13];
            }
            if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) {
                fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]);
                mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14];
            }
            if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) {
                fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]);
                mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13];
            }
            if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) {
                fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]);
                mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14];
            }
            if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) {
                fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]);
                mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8];
            }
            if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) {
                fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]);
                mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9];
            }
            if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) {
                fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]);
                mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10];
            }
            if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) {
                fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]);
                mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11];
            }
            if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) {
                fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]);
                mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12];
            }
            if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) {
                fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]);
                mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13];
            }
            if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) {
                fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]);
                mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14];
            }
            if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) {
                fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]);
                mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK];
            }
            if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) {
                fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]);
                mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK];
            }
            if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) {
                fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]);
                mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK];
            }
            if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) {
                fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]);
                mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK];
            }
            if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) {
                fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]);
                mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK];
            }

#endif

#ifdef NEED_UI_LOOP_HOOK
            if (ui_loop_hook != NULL && ui_loop_hook_counter-- < 0) {
                ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL;
                ui_loop_hook (0);
            }
#endif /* NEED_UI_LOOP_HOOK */

            /*added energy_prof statement by ksh in 2004-11-26 */
            //chy 2005-07-28 for standalone
            //ARMul_do_energy(state,instr,pc);
//teawater add for record reg value to ./reg.txt 2005.07.10---------------------
            if (state->tea_break_ok && pc == state->tea_break_addr) {
                //ARMul_Debug (state, 0, 0);
                state->tea_break_ok = 0;
            } else {
                state->tea_break_ok = 1;
            }
//AJ2D--------------------------------------------------------------------------
//chy 2006-04-14 for ctrl-c debug
#if 0
            if (debugmode) {
                if (instr != ARMul_ABORTWORD) {
                    remote_interrupt_test_time++;
                    //chy 2006-04-14 2000 should be changed in skyeye_conf ???!!!
                    if (remote_interrupt_test_time >= 2000) {
                        remote_interrupt_test_time=0;
                        if (remote_interrupt()) {
                            //for test
                            //printf("SKYEYE: ICE_debug recv Ctrl_C\n");
                            state->EndCondition = 0;
                            state->Emulate = STOP;
                        }
                    }
                }
            }
#endif

            /* jump out every time */
            //state->EndCondition = 0;
            //state->Emulate = STOP;
//chy 2006-04-12 for ICE debug
TEST_EMULATE:
            if (state->Emulate == ONCE)
                state->Emulate = STOP;
            //chy: 2003-08-23: should not use CHANGEMODE !!!!
            /* If we have changed mode, allow the PC to advance before stopping.  */
            //    else if (state->Emulate == CHANGEMODE)
            //        continue;
            else if (state->Emulate != RUN)
                break;
      
    }

        while (state->NumInstrsToExecute);
exit:
        state->decoded = decoded;
        state->loaded = loaded;
        state->pc = pc;
        //chy 2006-04-12, for ICE debug
        state->decoded_addr=decoded_addr;
        state->loaded_addr=loaded_addr;

        return pc;
    }

//teawater add for arm2x86 2005.02.17-------------------------------------------
    /*ywc 2005-04-01*/
//#include "tb.h"
//#include "arm2x86_self.h"

    static volatile void (*gen_func) (void);
//static volatile ARMul_State   *tmp_st;
//static volatile ARMul_State   *save_st;
    static volatile uint32_t tmp_st;
    static volatile uint32_t save_st;
    static volatile uint32_t save_T0;
    static volatile uint32_t save_T1;
    static volatile uint32_t save_T2;

#ifdef MODE32
#ifdef DBCT
//teawater change for debug function 2005.07.09---------------------------------
    ARMword
    ARMul_Emulate32_dbct (ARMul_State * state) {
        static int init = 0;
        static FILE *fd;

        /*if (!init) {

           fd = fopen("./pc.txt", "w");
           if (!fd) {
           exit(-1);
           }
           init = 1;
           } */

        state->Reg[15] += INSN_SIZE;
        do {
            /*if (skyeye_config.log.logon>=1) {
               if (state->NumInstrs>=skyeye_config.log.start && state->NumInstrs<=skyeye_config.log.end) {
               static int mybegin=0;
               static int myinstrnum=0;

               if (mybegin==0) mybegin=1;
               if (mybegin==1) {
               state->Reg[15] -= INSN_SIZE;
               if (skyeye_config.log.logon>=1) fprintf(skyeye_logfd,"N %llx :p %x,i %x,",state->NumInstrs, (state->Reg[15] - INSN_SIZE), instr);
               if (skyeye_config.log.logon>=2) SKYEYE_OUTREGS(skyeye_logfd);
               if (skyeye_config.log.logon>=3) SKYEYE_OUTMOREREGS(skyeye_logfd);
               fprintf(skyeye_logfd,"\n");
               if (skyeye_config.log.length>0) {
               myinstrnum++;
               if (myinstrnum>=skyeye_config.log.length) {
               myinstrnum=0;
               fflush(skyeye_logfd);
               fseek(skyeye_logfd,0L,SEEK_SET);
               }
               }
               state->Reg[15] += INSN_SIZE;
               }
               }
               } */
            state->trap = 0;
            gen_func =
                (void *) tb_find (state, state->Reg[15] - INSN_SIZE);
            if (!gen_func) {
                //fprintf(stderr, "SKYEYE: tb_find: Error in find the translate block.\n");
                //exit(-1);
                //TRAP_INSN_ABORT
                //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE));
                //TEA_OUT(printf("TRAP_INSN_ABORT\n"));
//teawater add for xscale(arm v5) 2005.09.01------------------------------------
                /*XScale_set_fsr_far(state, ARMul_CP15_R5_MMU_EXCPT, state->Reg[15] - INSN_SIZE);
                   state->Reg[15] += INSN_SIZE;
                   ARMul_Abort(state, ARMul_PrefetchAbortV);
                   state->Reg[15] += INSN_SIZE;
                   goto next; */
                state->trap = TRAP_INSN_ABORT;
                goto check;
//AJ2D--------------------------------------------------------------------------
            }

            save_st = (uint32_t) st;
            save_T0 = T0;
            save_T1 = T1;
            save_T2 = T2;
            tmp_st = (uint32_t) state;
            wmb ();
            st = (ARMul_State *) tmp_st;
            gen_func ();
            st = (ARMul_State *) save_st;
            T0 = save_T0;
            T1 = save_T1;
            T2 = save_T2;

            /*if (state->trap != TRAP_OUT) {
               state->tea_break_ok = 1;
               }
               if (state->trap <= TRAP_SET_R15) {
               goto next;
               } */
            //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE));
//teawater add check thumb 2005.07.21-------------------------------------------
            /*if (TFLAG) {
               state->Reg[15] -= 2;
               return(state->Reg[15]);
               } */
//AJ2D--------------------------------------------------------------------------

//teawater add for xscale(arm v5) 2005.09.01------------------------------------
check:
//AJ2D--------------------------------------------------------------------------
            switch (state->trap) {
            case TRAP_RESET: {
                //TEA_OUT(printf("TRAP_RESET\n"));
                ARMul_Abort (state, ARMul_ResetV);
                state->Reg[15] += INSN_SIZE;
            }
            break;
            case TRAP_UNPREDICTABLE: {
                //ARMul_Debug (state, 0, 0);
            }
            break;
            case TRAP_INSN_UNDEF: {
                //TEA_OUT(printf("TRAP_INSN_UNDEF\n"));
                state->Reg[15] += INSN_SIZE;
                ARMul_UndefInstr (state, 0);
                state->Reg[15] += INSN_SIZE;
            }
            break;
            case TRAP_SWI: {
                //TEA_OUT(printf("TRAP_SWI\n"));
                state->Reg[15] += INSN_SIZE;
                ARMul_Abort (state, ARMul_SWIV);
                state->Reg[15] += INSN_SIZE;
            }
            break;
//teawater add for xscale(arm v5) 2005.09.01------------------------------------
            case TRAP_INSN_ABORT: {
                /*XScale_set_fsr_far (state,
                		    ARMul_CP15_R5_MMU_EXCPT,
                		    state->Reg[15] -
                		    INSN_SIZE);*/
                state->Reg[15] += INSN_SIZE;
                ARMul_Abort (state, ARMul_PrefetchAbortV);
                state->Reg[15] += INSN_SIZE;
            }
            break;
//AJ2D--------------------------------------------------------------------------
            case TRAP_DATA_ABORT: {
                //TEA_OUT(printf("TRAP_DATA_ABORT\n"));
                state->Reg[15] += INSN_SIZE;
                ARMul_Abort (state, ARMul_DataAbortV);
                state->Reg[15] += INSN_SIZE;
            }
            break;
            case TRAP_IRQ: {
                //TEA_OUT(printf("TRAP_IRQ\n"));
                state->Reg[15] += INSN_SIZE;
                ARMul_Abort (state, ARMul_IRQV);
                state->Reg[15] += INSN_SIZE;
            }
            break;
            case TRAP_FIQ: {
                //TEA_OUT(printf("TRAP_FIQ\n"));
                state->Reg[15] += INSN_SIZE;
                ARMul_Abort (state, ARMul_FIQV);
                state->Reg[15] += INSN_SIZE;
            }
            break;
            case TRAP_SETS_R15: {
                //TEA_OUT(printf("TRAP_SETS_R15\n"));
                /*if (state->Bank > 0) {
                   state->Cpsr = state->Spsr[state->Bank];
                   ARMul_CPSRAltered (state);
                   } */
                WriteSR15 (state, state->Reg[15]);
            }
            break;
            case TRAP_SET_CPSR: {
                //TEA_OUT(printf("TRAP_SET_CPSR\n"));
                //chy 2006-02-15 USERBANK=SYSTEMBANK=0
                //chy 2006-02-16 should use Mode to test
                //if (state->Bank > 0) {
                if (state->Mode != USER26MODE && state->Mode != USER32MODE) {
                    //ARMul_CPSRAltered (state);
                }
                state->Reg[15] += INSN_SIZE;
            }
            break;
            case TRAP_OUT: {
                //TEA_OUT(printf("TRAP_OUT\n"));
                goto out;
            }
            break;
            case TRAP_BREAKPOINT: {
                //TEA_OUT(printf("TRAP_BREAKPOINT\n"));
                state->Reg[15] -= INSN_SIZE;
                if (!ARMul_OSHandleSWI
                        (state, SWI_Breakpoint)) {
                    ARMul_Abort (state, ARMul_SWIV);
                }
                state->Reg[15] += INSN_SIZE;
            }
            break;
            }

next:
            if (state->Emulate == ONCE) {
                state->Emulate = STOP;
                break;
            } else if (state->Emulate != RUN) {
                break;
            }
        } while (!state->stop_simulator);

out:
        state->Reg[15] -= INSN_SIZE;
        return (state->Reg[15]);
    }
#endif
//AJ2D--------------------------------------------------------------------------
#endif
//AJ2D--------------------------------------------------------------------------

    /* This routine evaluates most Data Processing register RHS's with the S
       bit clear.  It is intended to be called from the macro DPRegRHS, which
       filters the common case of an unshifted register with in line code.  */

    static ARMword
    GetDPRegRHS (ARMul_State * state, ARMword instr) {
        ARMword shamt, base;

        base = RHSReg;
        if (BIT (4)) {
            /* Shift amount in a register.  */
            UNDEF_Shift;
            INCPC;
#ifndef MODE32
            if (base == 15)
                base = ECC | ER15INT | R15PC | EMODE;
            else
#endif
                base = state->Reg[base];
            ARMul_Icycles (state, 1, 0L);
            shamt = state->Reg[BITS (8, 11)] & 0xff;
            switch ((int) BITS (5, 6)) {
            case LSL:
                if (shamt == 0)
                    return (base);
                else if (shamt >= 32)
                    return (0);
                else
                    return (base << shamt);
            case LSR:
                if (shamt == 0)
                    return (base);
                else if (shamt >= 32)
                    return (0);
                else
                    return (base >> shamt);
            case ASR:
                if (shamt == 0)
                    return (base);
                else if (shamt >= 32)
                    return ((ARMword) ((int) base >> 31L));
                else
                    return ((ARMword)
                            (( int) base >> (int) shamt));
            case ROR:
                shamt &= 0x1f;
                if (shamt == 0)
                    return (base);
                else
                    return ((base << (32 - shamt)) |
                            (base >> shamt));
            }
        } else {
            /* Shift amount is a constant.  */
#ifndef MODE32
            if (base == 15)
                base = ECC | ER15INT | R15PC | EMODE;
            else
#endif
                base = state->Reg[base];
            shamt = BITS (7, 11);
            switch ((int) BITS (5, 6)) {
            case LSL:
                return (base << shamt);
            case LSR:
                if (shamt == 0)
                    return (0);
                else
                    return (base >> shamt);
            case ASR:
                if (shamt == 0)
                    return ((ARMword) (( int) base >> 31L));
                else
                    return ((ARMword)
                            (( int) base >> (int) shamt));
            case ROR:
                if (shamt == 0)
                    /* It's an RRX.  */
                    return ((base >> 1) | (CFLAG << 31));
                else
                    return ((base << (32 - shamt)) |
                            (base >> shamt));
            }
        }

        return 0;
    }

    /* This routine evaluates most Logical Data Processing register RHS's
       with the S bit set.  It is intended to be called from the macro
       DPSRegRHS, which filters the common case of an unshifted register
       with in line code.  */

    static ARMword
    GetDPSRegRHS (ARMul_State * state, ARMword instr) {
        ARMword shamt, base;

        base = RHSReg;
        if (BIT (4)) {
            /* Shift amount in a register.  */
            UNDEF_Shift;
            INCPC;
#ifndef MODE32
            if (base == 15)
                base = ECC | ER15INT | R15PC | EMODE;
            else
#endif
                base = state->Reg[base];
            ARMul_Icycles (state, 1, 0L);
            shamt = state->Reg[BITS (8, 11)] & 0xff;
            switch ((int) BITS (5, 6)) {
            case LSL:
                if (shamt == 0)
                    return (base);
                else if (shamt == 32) {
                    ASSIGNC (base & 1);
                    return (0);
                } else if (shamt > 32) {
                    CLEARC;
                    return (0);
                } else {
                    ASSIGNC ((base >> (32 - shamt)) & 1);
                    return (base << shamt);
                }
            case LSR:
                if (shamt == 0)
                    return (base);
                else if (shamt == 32) {
                    ASSIGNC (base >> 31);
                    return (0);
                } else if (shamt > 32) {
                    CLEARC;
                    return (0);
                } else {
                    ASSIGNC ((base >> (shamt - 1)) & 1);
                    return (base >> shamt);
                }
            case ASR:
                if (shamt == 0)
                    return (base);
                else if (shamt >= 32) {
                    ASSIGNC (base >> 31L);
                    return ((ARMword) (( int) base >> 31L));
                } else {
                    ASSIGNC ((ARMword)
                             (( int) base >>
                              (int) (shamt - 1)) & 1);
                    return ((ARMword)
                            ((int) base >> (int) shamt));
                }
            case ROR:
                if (shamt == 0)
                    return (base);
                shamt &= 0x1f;
                if (shamt == 0) {
                    ASSIGNC (base >> 31);
                    return (base);
                } else {
                    ASSIGNC ((base >> (shamt - 1)) & 1);
                    return ((base << (32 - shamt)) |
                            (base >> shamt));
                }
            }
        } else {
            /* Shift amount is a constant.  */
#ifndef MODE32
            if (base == 15)
                base = ECC | ER15INT | R15PC | EMODE;
            else
#endif
                base = state->Reg[base];
            shamt = BITS (7, 11);

            switch ((int) BITS (5, 6)) {
            case LSL:
                ASSIGNC ((base >> (32 - shamt)) & 1);
                return (base << shamt);
            case LSR:
                if (shamt == 0) {
                    ASSIGNC (base >> 31);
                    return (0);
                } else {
                    ASSIGNC ((base >> (shamt - 1)) & 1);
                    return (base >> shamt);
                }
            case ASR:
                if (shamt == 0) {
                    ASSIGNC (base >> 31L);
                    return ((ARMword) ((int) base >> 31L));
                } else {
                    ASSIGNC ((ARMword)
                             ((int) base >>
                              (int) (shamt - 1)) & 1);
                    return ((ARMword)
                            (( int) base >> (int) shamt));
                }
            case ROR:
                if (shamt == 0) {
                    /* It's an RRX.  */
                    shamt = CFLAG;
                    ASSIGNC (base & 1);
                    return ((base >> 1) | (shamt << 31));
                } else {
                    ASSIGNC ((base >> (shamt - 1)) & 1);
                    return ((base << (32 - shamt)) |
                            (base >> shamt));
                }
            }
        }

        return 0;
    }

    /* This routine handles writes to register 15 when the S bit is not set.  */

    static void
    WriteR15 (ARMul_State * state, ARMword src) {
        /* The ARM documentation states that the two least significant bits
           are discarded when setting PC, except in the cases handled by
           WriteR15Branch() below.  It's probably an oversight: in THUMB
           mode, the second least significant bit should probably not be
           discarded.  */
#ifdef MODET
        if (TFLAG)
            src &= 0xfffffffe;
        else
#endif
            src &= 0xfffffffc;

#ifdef MODE32
        state->Reg[15] = src & PCBITS;
#else
        state->Reg[15] = (src & R15PCBITS) | ECC | ER15INT | EMODE;
        ARMul_R15Altered (state);
#endif

        FLUSHPIPE;
    }

    /* This routine handles writes to register 15 when the S bit is set.  */

    static void
    WriteSR15 (ARMul_State * state, ARMword src) {
#ifdef MODE32
        if (state->Bank > 0) {
            state->Cpsr = state->Spsr[state->Bank];
            ARMul_CPSRAltered (state);
        }
#ifdef MODET
        if (TFLAG)
            src &= 0xfffffffe;
        else
#endif
            src &= 0xfffffffc;
        state->Reg[15] = src & PCBITS;
#else
#ifdef MODET
        if (TFLAG)
            /* ARMul_R15Altered would have to support it.  */
            abort ();
        else
#endif
            src &= 0xfffffffc;

        if (state->Bank == USERBANK)
            state->Reg[15] =
                (src & (CCBITS | R15PCBITS)) | ER15INT | EMODE;
        else
            state->Reg[15] = src;

        ARMul_R15Altered (state);
#endif
        FLUSHPIPE;
    }

    /* In machines capable of running in Thumb mode, BX, BLX, LDR and LDM
       will switch to Thumb mode if the least significant bit is set.  */

    static void
    WriteR15Branch (ARMul_State * state, ARMword src) {
#ifdef MODET
        if (src & 1) {
            /* Thumb bit.  */
            SETT;
            state->Reg[15] = src & 0xfffffffe;
        } else {
            CLEART;
            state->Reg[15] = src & 0xfffffffc;
        }
        state->Cpsr = ARMul_GetCPSR (state);
        FLUSHPIPE;
#else
        WriteR15 (state, src);
#endif
    }

    /* This routine evaluates most Load and Store register RHS's.  It is
       intended to be called from the macro LSRegRHS, which filters the
       common case of an unshifted register with in line code.  */

    static ARMword
    GetLSRegRHS (ARMul_State * state, ARMword instr) {
        ARMword shamt, base;

        base = RHSReg;
#ifndef MODE32
        if (base == 15)
            /* Now forbidden, but ...  */
            base = ECC | ER15INT | R15PC | EMODE;
        else
#endif
            base = state->Reg[base];

        shamt = BITS (7, 11);
        switch ((int) BITS (5, 6)) {
        case LSL:
            return (base << shamt);
        case LSR:
            if (shamt == 0)
                return (0);
            else
                return (base >> shamt);
        case ASR:
            if (shamt == 0)
                return ((ARMword) (( int) base >> 31L));
            else
                return ((ARMword) (( int) base >> (int) shamt));
        case ROR:
            if (shamt == 0)
                /* It's an RRX.  */
                return ((base >> 1) | (CFLAG << 31));
            else
                return ((base << (32 - shamt)) | (base >> shamt));
        default:
            break;
        }
        return 0;
    }

    /* This routine evaluates the ARM7T halfword and signed transfer RHS's.  */

    static ARMword
    GetLS7RHS (ARMul_State * state, ARMword instr) {
        if (BIT (22) == 0) {
            /* Register.  */
#ifndef MODE32
            if (RHSReg == 15)
                /* Now forbidden, but ...  */
                return ECC | ER15INT | R15PC | EMODE;
#endif
            return state->Reg[RHSReg];
        }

        /* Immediate.  */
        return BITS (0, 3) | (BITS (8, 11) << 4);
    }

    /* This function does the work of loading a word for a LDR instruction.  */
#define MEM_LOAD_LOG(description) if (skyeye_config.log.memlogon >= 1) { \
		fprintf(skyeye_logfd, \
			"m LOAD %s: N %llx :p %x :i %x :a %x :d %x\n", \
			description, state->NumInstrs, state->pc, instr, \
			address, dest); \
	}

#define MEM_STORE_LOG(description) if (skyeye_config.log.memlogon >= 1) { \
		fprintf(skyeye_logfd, \
			"m STORE %s: N %llx :p %x :i %x :a %x :d %x\n", \
			description, state->NumInstrs, state->pc, instr, \
			address, DEST); \
	}



    static unsigned
    LoadWord (ARMul_State * state, ARMword instr, ARMword address) {
        ARMword dest;

        BUSUSEDINCPCS;
#ifndef MODE32
        if (ADDREXCEPT (address))
            INTERNALABORT (address);
#endif

        dest = ARMul_LoadWordN (state, address);

        if (state->Aborted) {
            TAKEABORT;
            return state->lateabtSig;
        }
        if (address & 3)
            dest = ARMul_Align (state, address, dest);
        WRITEDESTB (dest);
        ARMul_Icycles (state, 1, 0L);

        //MEM_LOAD_LOG("WORD");

        return (DESTReg != LHSReg);
    }

#ifdef MODET
    /* This function does the work of loading a halfword.  */

    static unsigned
    LoadHalfWord (ARMul_State * state, ARMword instr, ARMword address,
                  int signextend) {
        ARMword dest;

        BUSUSEDINCPCS;
#ifndef MODE32
        if (ADDREXCEPT (address))
            INTERNALABORT (address);
#endif
        dest = ARMul_LoadHalfWord (state, address);
        if (state->Aborted) {
            TAKEABORT;
            return state->lateabtSig;
        }
        UNDEF_LSRBPC;
        if (signextend)
            if (dest & 1 << (16 - 1))
                dest = (dest & ((1 << 16) - 1)) - (1 << 16);

        WRITEDEST (dest);
        ARMul_Icycles (state, 1, 0L);

        //MEM_LOAD_LOG("HALFWORD");

        return (DESTReg != LHSReg);
    }

#endif /* MODET */

    /* This function does the work of loading a byte for a LDRB instruction.  */

    static unsigned
    LoadByte (ARMul_State * state, ARMword instr, ARMword address, int signextend) {
        ARMword dest;

        BUSUSEDINCPCS;
#ifndef MODE32
        if (ADDREXCEPT (address))
            INTERNALABORT (address);
#endif
        dest = ARMul_LoadByte (state, address);
        if (state->Aborted) {
            TAKEABORT;
            return state->lateabtSig;
        }
        UNDEF_LSRBPC;
        if (signextend)
            if (dest & 1 << (8 - 1))
                dest = (dest & ((1 << 8) - 1)) - (1 << 8);

        WRITEDEST (dest);
        ARMul_Icycles (state, 1, 0L);

        //MEM_LOAD_LOG("BYTE");

        return (DESTReg != LHSReg);
    }

    /* This function does the work of loading two words for a LDRD instruction.  */

    static void
    Handle_Load_Double (ARMul_State * state, ARMword instr) {
        ARMword dest_reg;
        ARMword addr_reg;
        ARMword write_back = BIT (21);
        ARMword immediate = BIT (22);
        ARMword add_to_base = BIT (23);
        ARMword pre_indexed = BIT (24);
        ARMword offset;
        ARMword addr;
        ARMword sum;
        ARMword base;
        ARMword value1;
        ARMword value2;

        BUSUSEDINCPCS;

        /* If the writeback bit is set, the pre-index bit must be clear.  */
        if (write_back && !pre_indexed) {
            ARMul_UndefInstr (state, instr);
            return;
        }

        /* Extract the base address register.  */
        addr_reg = LHSReg;

        /* Extract the destination register and check it.  */
        dest_reg = DESTReg;

        /* Destination register must be even.  */
        if ((dest_reg & 1)
                /* Destination register cannot be LR.  */
                || (dest_reg == 14)) {
            ARMul_UndefInstr (state, instr);
            return;
        }

        /* Compute the base address.  */
        base = state->Reg[addr_reg];

        /* Compute the offset.  */
        offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->
                 Reg[RHSReg];

        /* Compute the sum of the two.  */
        if (add_to_base)
            sum = base + offset;
        else
            sum = base - offset;

        /* If this is a pre-indexed mode use the sum.  */
        if (pre_indexed)
            addr = sum;
        else
            addr = base;

        /* The address must be aligned on a 8 byte boundary.  */
        /*if (addr & 0x7) {
        #ifdef ABORTS
            ARMul_DATAABORT (addr);
        #else
            ARMul_UndefInstr (state, instr);
        #endif
            return;
        }*/
        /* Lets just forcibly align it for now */
        //addr = (addr + 7) & ~7;

        /* For pre indexed or post indexed addressing modes,
           check that the destination registers do not overlap
           the address registers.  */
        if ((!pre_indexed || write_back)
                && (addr_reg == dest_reg || addr_reg == dest_reg + 1)) {
            ARMul_UndefInstr (state, instr);
            return;
        }

        /* Load the words.  */
        value1 = ARMul_LoadWordN (state, addr);
        value2 = ARMul_LoadWordN (state, addr + 4);

        /* Check for data aborts.  */
        if (state->Aborted) {
            TAKEABORT;
            return;
        }

        ARMul_Icycles (state, 2, 0L);

        /* Store the values.  */
        state->Reg[dest_reg] = value1;
        state->Reg[dest_reg + 1] = value2;

        /* Do the post addressing and writeback.  */
        if (!pre_indexed)
            addr = sum;

        if (!pre_indexed || write_back)
            state->Reg[addr_reg] = addr;
    }

    /* This function does the work of storing two words for a STRD instruction.  */

    static void
    Handle_Store_Double (ARMul_State * state, ARMword instr) {
        ARMword src_reg;
        ARMword addr_reg;
        ARMword write_back = BIT (21);
        ARMword immediate = BIT (22);
        ARMword add_to_base = BIT (23);
        ARMword pre_indexed = BIT (24);
        ARMword offset;
        ARMword addr;
        ARMword sum;
        ARMword base;

        BUSUSEDINCPCS;

        /* If the writeback bit is set, the pre-index bit must be clear.  */
        if (write_back && !pre_indexed) {
            ARMul_UndefInstr (state, instr);
            return;
        }

        /* Extract the base address register.  */
        addr_reg = LHSReg;

        /* Base register cannot be PC.  */
        if (addr_reg == 15) {
            ARMul_UndefInstr (state, instr);
            return;
        }

        /* Extract the source register.  */
        src_reg = DESTReg;

        /* Source register must be even.  */
        if (src_reg & 1) {
            ARMul_UndefInstr (state, instr);
            return;
        }

        /* Compute the base address.  */
        base = state->Reg[addr_reg];

        /* Compute the offset.  */
        offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->
                 Reg[RHSReg];

        /* Compute the sum of the two.  */
        if (add_to_base)
            sum = base + offset;
        else
            sum = base - offset;

        /* If this is a pre-indexed mode use the sum.  */
        if (pre_indexed)
            addr = sum;
        else
            addr = base;

        /* The address must be aligned on a 8 byte boundary.  */
        /*if (addr & 0x7) {
        #ifdef ABORTS
            ARMul_DATAABORT (addr);
        #else
            ARMul_UndefInstr (state, instr);
        #endif
            return;
        }*/
        /* Lets just forcibly align it for now */
        //addr = (addr + 7) & ~7;

        /* For pre indexed or post indexed addressing modes,
           check that the destination registers do not overlap
           the address registers.  */
        if ((!pre_indexed || write_back)
                && (addr_reg == src_reg || addr_reg == src_reg + 1)) {
            ARMul_UndefInstr (state, instr);
            return;
        }

        /* Load the words.  */
        ARMul_StoreWordN (state, addr, state->Reg[src_reg]);
        ARMul_StoreWordN (state, addr + 4, state->Reg[src_reg + 1]);

        if (state->Aborted) {
            TAKEABORT;
            return;
        }

        /* Do the post addressing and writeback.  */
        if (!pre_indexed)
            addr = sum;

        if (!pre_indexed || write_back)
            state->Reg[addr_reg] = addr;
    }

    /* This function does the work of storing a word from a STR instruction.  */

    static unsigned
    StoreWord (ARMul_State * state, ARMword instr, ARMword address) {
        //MEM_STORE_LOG("WORD");

        BUSUSEDINCPCN;
#ifndef MODE32
        if (DESTReg == 15)
            state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
#endif
#ifdef MODE32
        ARMul_StoreWordN (state, address, DEST);
#else
        if (VECTORACCESS (address) || ADDREXCEPT (address)) {
            INTERNALABORT (address);
            (void) ARMul_LoadWordN (state, address);
        } else
            ARMul_StoreWordN (state, address, DEST);
#endif
        if (state->Aborted) {
            TAKEABORT;
            return state->lateabtSig;
        }

        return TRUE;
    }

#ifdef MODET
    /* This function does the work of storing a byte for a STRH instruction.  */

    static unsigned
    StoreHalfWord (ARMul_State * state, ARMword instr, ARMword address) {
        //MEM_STORE_LOG("HALFWORD");

        BUSUSEDINCPCN;

#ifndef MODE32
        if (DESTReg == 15)
            state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
#endif

#ifdef MODE32
        ARMul_StoreHalfWord (state, address, DEST);
#else
        if (VECTORACCESS (address) || ADDREXCEPT (address)) {
            INTERNALABORT (address);
            (void) ARMul_LoadHalfWord (state, address);
        } else
            ARMul_StoreHalfWord (state, address, DEST);
#endif

        if (state->Aborted) {
            TAKEABORT;
            return state->lateabtSig;
        }
        return TRUE;
    }

#endif /* MODET */

    /* This function does the work of storing a byte for a STRB instruction.  */

    static unsigned
    StoreByte (ARMul_State * state, ARMword instr, ARMword address) {
        //MEM_STORE_LOG("BYTE");

        BUSUSEDINCPCN;
#ifndef MODE32
        if (DESTReg == 15)
            state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
#endif
#ifdef MODE32
        ARMul_StoreByte (state, address, DEST);
#else
        if (VECTORACCESS (address) || ADDREXCEPT (address)) {
            INTERNALABORT (address);
            (void) ARMul_LoadByte (state, address);
        } else
            ARMul_StoreByte (state, address, DEST);
#endif
        if (state->Aborted) {
            TAKEABORT;
            return state->lateabtSig;
        }
        //UNDEF_LSRBPC;
        return TRUE;
    }

    /* This function does the work of loading the registers listed in an LDM
       instruction, when the S bit is clear.  The code here is always increment
       after, it's up to the caller to get the input address correct and to
       handle base register modification.  */

    static void
    LoadMult (ARMul_State * state, ARMword instr, ARMword address, ARMword WBBase) {
        ARMword dest, temp;

        //UNDEF_LSMNoRegs;
        //UNDEF_LSMPCBase;
        //UNDEF_LSMBaseInListWb;
        BUSUSEDINCPCS;
#ifndef MODE32
        if (ADDREXCEPT (address))
            INTERNALABORT (address);
#endif
        /*chy 2004-05-23 may write twice
          if (BIT (21) && LHSReg != 15)
            LSBase = WBBase;
        */
        /* N cycle first.  */
        for (temp = 0; !BIT (temp); temp++);

        dest = ARMul_LoadWordN (state, address);

        if (!state->abortSig && !state->Aborted)
            state->Reg[temp++] = dest;
        else if (!state->Aborted) {
            //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
            state->Aborted = ARMul_DataAbortV;
        }
        /*chy 2004-05-23 chy goto end*/
        if (state->Aborted)
            goto L_ldm_makeabort;
        /* S cycles from here on.  */
        for (; temp < 16; temp++)
            if (BIT (temp)) {
                /* Load this register.  */
                address += 4;
                dest = ARMul_LoadWordS (state, address);

                if (!state->abortSig && !state->Aborted)
                    state->Reg[temp] = dest;
                else if (!state->Aborted) {
                    /*XScale_set_fsr_far (state,
                    		    ARMul_CP15_R5_ST_ALIGN,
                    		    address);*/
                    state->Aborted = ARMul_DataAbortV;
                }
                /*chy 2004-05-23 chy goto end */
                if (state->Aborted)
                    goto L_ldm_makeabort;

            }

        if (BIT (15) && !state->Aborted)
            /* PC is in the reg list.  */
            WriteR15Branch (state, PC);

        /* To write back the final register.  */
        /*  ARMul_Icycles (state, 1, 0L);*/
        /*chy 2004-05-23, see below
          if (state->Aborted)
            {
              if (BIT (21) && LHSReg != 15)
                LSBase = WBBase;

              TAKEABORT;
            }
        */
        /*chy 2004-05-23 should compare the Abort Models*/
L_ldm_makeabort:
        /* To write back the final register.  */
        ARMul_Icycles (state, 1, 0L);

        /* chy 2005-11-24, bug found by benjl@cse.unsw.edu.au, etc */
        /*
           if (state->Aborted)
           {
           if (BIT (21) && LHSReg != 15)
           if (!(state->abortSig && state->Aborted && state->lateabtSig == LOW))
           LSBase = WBBase;
           TAKEABORT;
           }else if (BIT (21) && LHSReg != 15)
           LSBase = WBBase;
         */
        if (state->Aborted) {
            if (BIT (21) && LHSReg != 15) {
                if (!(state->abortSig)) {
                }
            }
            TAKEABORT;
        } else if (BIT (21) && LHSReg != 15) {
            LSBase = WBBase;
        }
        /* chy 2005-11-24, over */

    }

    /* This function does the work of loading the registers listed in an LDM
       instruction, when the S bit is set. The code here is always increment
       after, it's up to the caller to get the input address correct and to
       handle base register modification.  */

    static void
    LoadSMult (ARMul_State * state,
               ARMword instr, ARMword address, ARMword WBBase) {
        ARMword dest, temp;

        //UNDEF_LSMNoRegs;
        //UNDEF_LSMPCBase;
        //UNDEF_LSMBaseInListWb;

        BUSUSEDINCPCS;

#ifndef MODE32
        if (ADDREXCEPT (address))
            INTERNALABORT (address);
#endif
        /* chy 2004-05-23, may write twice
          if (BIT (21) && LHSReg != 15)
            LSBase = WBBase;
        */
        if (!BIT (15) && state->Bank != USERBANK) {
            /* Temporary reg bank switch.  */
            (void) ARMul_SwitchMode (state, state->Mode, USER26MODE);
            UNDEF_LSMUserBankWb;
        }

        /* N cycle first.  */
        for (temp = 0; !BIT (temp); temp++);

        dest = ARMul_LoadWordN (state, address);

        if (!state->abortSig)
            state->Reg[temp++] = dest;
        else if (!state->Aborted) {
            //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
            state->Aborted = ARMul_DataAbortV;
        }

        /*chy 2004-05-23 chy goto end*/
        if (state->Aborted)
            goto L_ldm_s_makeabort;
        /* S cycles from here on.  */
        for (; temp < 16; temp++)
            if (BIT (temp)) {
                /* Load this register.  */
                address += 4;
                dest = ARMul_LoadWordS (state, address);

                if (!state->abortSig && !state->Aborted)
                    state->Reg[temp] = dest;
                else if (!state->Aborted) {
                    /*XScale_set_fsr_far (state,
                    		    ARMul_CP15_R5_ST_ALIGN,
                    		    address);*/
                    state->Aborted = ARMul_DataAbortV;
                }
                /*chy 2004-05-23 chy goto end */
                if (state->Aborted)
                    goto L_ldm_s_makeabort;
            }

        /*chy 2004-05-23 label of ldm_s_makeabort*/
L_ldm_s_makeabort:
        /*chy 2004-06-06 LSBase process should be here, not in the end of this function. Because ARMul_CPSRAltered maybe change R13(SP) R14(lr). If not, simulate INSTR  ldmia sp!,[....pc]^ error.*/
        /*chy 2004-05-23 should compare the Abort Models*/
        if (state->Aborted) {
            if (BIT (21) && LHSReg != 15)
                if (!
                        (state->abortSig && state->Aborted
                         && state->lateabtSig == LOW))
                    LSBase = WBBase;
            TAKEABORT;
        } else if (BIT (21) && LHSReg != 15)
            LSBase = WBBase;

        if (BIT (15) && !state->Aborted) {
            /* PC is in the reg list.  */
#ifdef MODE32
            //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
            if (state->Mode != USER26MODE && state->Mode != USER32MODE ) {
                state->Cpsr = GETSPSR (state->Bank);
                ARMul_CPSRAltered (state);
            }

            WriteR15 (state, PC);
#else
            //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
            if (state->Mode == USER26MODE || state->Mode == USER32MODE ) {
                /* Protect bits in user mode.  */
                ASSIGNN ((state->Reg[15] & NBIT) != 0);
                ASSIGNZ ((state->Reg[15] & ZBIT) != 0);
                ASSIGNC ((state->Reg[15] & CBIT) != 0);
                ASSIGNV ((state->Reg[15] & VBIT) != 0);
            } else
                ARMul_R15Altered (state);

            FLUSHPIPE;
#endif
        }

        //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
        if (!BIT (15) && state->Mode != USER26MODE
                && state->Mode != USER32MODE )
            /* Restore the correct bank.  */
            (void) ARMul_SwitchMode (state, USER26MODE, state->Mode);

        /* To write back the final register.  */
        ARMul_Icycles (state, 1, 0L);
        /* chy 2004-05-23, see below
          if (state->Aborted)
            {
              if (BIT (21) && LHSReg != 15)
                LSBase = WBBase;

              TAKEABORT;
            }
        */
    }

    /* This function does the work of storing the registers listed in an STM
       instruction, when the S bit is clear.  The code here is always increment
       after, it's up to the caller to get the input address correct and to
       handle base register modification.  */

    static void
    StoreMult (ARMul_State * state,
               ARMword instr, ARMword address, ARMword WBBase) {
        ARMword temp;

        UNDEF_LSMNoRegs;
        UNDEF_LSMPCBase;
        UNDEF_LSMBaseInListWb;

        if (!TFLAG)
            /* N-cycle, increment the PC and update the NextInstr state.  */
            BUSUSEDINCPCN;

#ifndef MODE32
        if (VECTORACCESS (address) || ADDREXCEPT (address))
            INTERNALABORT (address);

        if (BIT (15))
            PATCHR15;
#endif

        /* N cycle first.  */
        for (temp = 0; !BIT (temp); temp++);

#ifdef MODE32
        ARMul_StoreWordN (state, address, state->Reg[temp++]);
#else
        if (state->Aborted) {
            (void) ARMul_LoadWordN (state, address);

            /* Fake the Stores as Loads.  */
            for (; temp < 16; temp++)
                if (BIT (temp)) {
                    /* Save this register.  */
                    address += 4;
                    (void) ARMul_LoadWordS (state, address);
                }

            if (BIT (21) && LHSReg != 15)
                LSBase = WBBase;
            TAKEABORT;
            return;
        } else
            ARMul_StoreWordN (state, address, state->Reg[temp++]);
#endif

        if (state->abortSig && !state->Aborted) {
            //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
            state->Aborted = ARMul_DataAbortV;
        }

//chy 2004-05-23, needn't store other when aborted
        if (state->Aborted)
            goto L_stm_takeabort;

        /* S cycles from here on.  */
        for (; temp < 16; temp++)
            if (BIT (temp)) {
                /* Save this register.  */
                address += 4;

                ARMul_StoreWordS (state, address, state->Reg[temp]);

                if (state->abortSig && !state->Aborted) {
                    /*XScale_set_fsr_far (state,
                    		    ARMul_CP15_R5_ST_ALIGN,
                    		    address);*/
                    state->Aborted = ARMul_DataAbortV;
                }
                //chy 2004-05-23, needn't store other when aborted
                if (state->Aborted)
                    goto L_stm_takeabort;

            }

//chy 2004-05-23,should compare the Abort Models
L_stm_takeabort:
        if (BIT (21) && LHSReg != 15) {
            if (!
                    (state->abortSig && state->Aborted
                     && state->lateabtSig == LOW))
                LSBase = WBBase;
        }
        if (state->Aborted)
            TAKEABORT;
    }

    /* This function does the work of storing the registers listed in an STM
       instruction when the S bit is set.  The code here is always increment
       after, it's up to the caller to get the input address correct and to
       handle base register modification.  */

    static void
    StoreSMult (ARMul_State * state,
                ARMword instr, ARMword address, ARMword WBBase) {
        ARMword temp;

        UNDEF_LSMNoRegs;
        UNDEF_LSMPCBase;
        UNDEF_LSMBaseInListWb;

        BUSUSEDINCPCN;

#ifndef MODE32
        if (VECTORACCESS (address) || ADDREXCEPT (address))
            INTERNALABORT (address);

        if (BIT (15))
            PATCHR15;
#endif

        if (state->Bank != USERBANK) {
            /* Force User Bank.  */
            (void) ARMul_SwitchMode (state, state->Mode, USER26MODE);
            UNDEF_LSMUserBankWb;
        }

        for (temp = 0; !BIT (temp); temp++);	/* N cycle first.  */

#ifdef MODE32
        ARMul_StoreWordN (state, address, state->Reg[temp++]);
#else
        if (state->Aborted) {
            (void) ARMul_LoadWordN (state, address);

            for (; temp < 16; temp++)
                /* Fake the Stores as Loads.  */
                if (BIT (temp)) {
                    /* Save this register.  */
                    address += 4;

                    (void) ARMul_LoadWordS (state, address);
                }

            if (BIT (21) && LHSReg != 15)
                LSBase = WBBase;

            TAKEABORT;
            return;
        } else
            ARMul_StoreWordN (state, address, state->Reg[temp++]);
#endif

        if (state->abortSig && !state->Aborted) {
            //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
            state->Aborted = ARMul_DataAbortV;
        }

//chy 2004-05-23, needn't store other when aborted
        if (state->Aborted)
            goto L_stm_s_takeabort;
        /* S cycles from here on.  */
        for (; temp < 16; temp++)
            if (BIT (temp)) {
                /* Save this register.  */
                address += 4;

                ARMul_StoreWordS (state, address, state->Reg[temp]);

                if (state->abortSig && !state->Aborted) {
                    /*XScale_set_fsr_far (state,
                    		    ARMul_CP15_R5_ST_ALIGN,
                    		    address);*/
                    state->Aborted = ARMul_DataAbortV;
                }
                //chy 2004-05-23, needn't store other when aborted
                if (state->Aborted)
                    goto L_stm_s_takeabort;
            }

        //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
        if (state->Mode != USER26MODE && state->Mode != USER32MODE )
            /* Restore the correct bank.  */
            (void) ARMul_SwitchMode (state, USER26MODE, state->Mode);


//chy 2004-05-23,should compare the Abort Models
L_stm_s_takeabort:
        if (BIT (21) && LHSReg != 15) {
            if (!
                    (state->abortSig && state->Aborted
                     && state->lateabtSig == LOW))
                LSBase = WBBase;
        }

        if (state->Aborted)
            TAKEABORT;
    }

    /* This function does the work of adding two 32bit values
       together, and calculating if a carry has occurred.  */

    static ARMword
    Add32 (ARMword a1, ARMword a2, int *carry) {
        ARMword result = (a1 + a2);
        unsigned int uresult = (unsigned int) result;
        unsigned int ua1 = (unsigned int) a1;

        /* If (result == RdLo) and (state->Reg[nRdLo] == 0),
           or (result > RdLo) then we have no carry.  */
        if ((uresult == ua1) ? (a2 != 0) : (uresult < ua1))
            *carry = 1;
        else
            *carry = 0;

        return result;
    }

    /* This function does the work of multiplying
       two 32bit values to give a 64bit result.  */

    static unsigned
    Multiply64 (ARMul_State * state, ARMword instr, int msigned, int scc) {
        /* Operand register numbers.  */
        int nRdHi, nRdLo, nRs, nRm;
        ARMword RdHi = 0, RdLo = 0, Rm;
        /* Cycle count.  */
        int scount;

        nRdHi = BITS (16, 19);
        nRdLo = BITS (12, 15);
        nRs = BITS (8, 11);
        nRm = BITS (0, 3);

        /* Needed to calculate the cycle count.  */
        Rm = state->Reg[nRm];

        /* Check for illegal operand combinations first.  */
        if (nRdHi != 15
                && nRdLo != 15
                && nRs != 15
                //&& nRm != 15 && nRdHi != nRdLo && nRdHi != nRm && nRdLo != nRm) {
                && nRm != 15 && nRdHi != nRdLo ) {
            /* Intermediate results.  */
            ARMword lo, mid1, mid2, hi;
            int carry;
            ARMword Rs = state->Reg[nRs];
            int sign = 0;

            if (msigned) {
                /* Compute sign of result and adjust operands if necessary.  */
                sign = (Rm ^ Rs) & 0x80000000;

                if (((signed int) Rm) < 0)
                    Rm = -Rm;

                if (((signed int) Rs) < 0)
                    Rs = -Rs;
            }

            /* We can split the 32x32 into four 16x16 operations. This
               ensures that we do not lose precision on 32bit only hosts.  */
            lo = ((Rs & 0xFFFF) * (Rm & 0xFFFF));
            mid1 = ((Rs & 0xFFFF) * ((Rm >> 16) & 0xFFFF));
            mid2 = (((Rs >> 16) & 0xFFFF) * (Rm & 0xFFFF));
            hi = (((Rs >> 16) & 0xFFFF) * ((Rm >> 16) & 0xFFFF));

            /* We now need to add all of these results together, taking
               care to propogate the carries from the additions.  */
            RdLo = Add32 (lo, (mid1 << 16), &carry);
            RdHi = carry;
            RdLo = Add32 (RdLo, (mid2 << 16), &carry);
            RdHi += (carry + ((mid1 >> 16) & 0xFFFF) +
                     ((mid2 >> 16) & 0xFFFF) + hi);

            if (sign) {
                /* Negate result if necessary.  */
                RdLo = ~RdLo;
                RdHi = ~RdHi;
                if (RdLo == 0xFFFFFFFF) {
                    RdLo = 0;
                    RdHi += 1;
                } else
                    RdLo += 1;
            }

            state->Reg[nRdLo] = RdLo;
            state->Reg[nRdHi] = RdHi;
        } else {
            fprintf (stderr, "sim: MULTIPLY64 - INVALID ARGUMENTS, instr=0x%x\n", instr);
        }
        if (scc)
            /* Ensure that both RdHi and RdLo are used to compute Z,
               but don't let RdLo's sign bit make it to N.  */
            ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF));

        /* The cycle count depends on whether the instruction is a signed or
           unsigned multiply, and what bits are clear in the multiplier.  */
        if (msigned && (Rm & ((unsigned) 1 << 31)))
            /* Invert the bits to make the check against zero.  */
            Rm = ~Rm;

        if ((Rm & 0xFFFFFF00) == 0)
            scount = 1;
        else if ((Rm & 0xFFFF0000) == 0)
            scount = 2;
        else if ((Rm & 0xFF000000) == 0)
            scount = 3;
        else
            scount = 4;

        return 2 + scount;
    }

    /* This function does the work of multiplying two 32bit
       values and adding a 64bit value to give a 64bit result.  */

    static unsigned
    MultiplyAdd64 (ARMul_State * state, ARMword instr, int msigned, int scc) {
        unsigned scount;
        ARMword RdLo, RdHi;
        int nRdHi, nRdLo;
        int carry = 0;

        nRdHi = BITS (16, 19);
        nRdLo = BITS (12, 15);

        RdHi = state->Reg[nRdHi];
        RdLo = state->Reg[nRdLo];

        scount = Multiply64 (state, instr, msigned, LDEFAULT);

        RdLo = Add32 (RdLo, state->Reg[nRdLo], &carry);
        RdHi = (RdHi + state->Reg[nRdHi]) + carry;

        state->Reg[nRdLo] = RdLo;
        state->Reg[nRdHi] = RdHi;

        if (scc)
            /* Ensure that both RdHi and RdLo are used to compute Z,
               but don't let RdLo's sign bit make it to N.  */
            ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF));

        /* Extra cycle for addition.  */
        return scount + 1;
    }

    /* Attempt to emulate an ARMv6 instruction.
       Returns non-zero upon success.  */

    static int handle_v6_insn(ARMul_State* state, ARMword instr) {
        switch (BITS(20, 27)) {
        case 0x03:
            printf ("Unhandled v6 insn: ldr\n");
            break;
        case 0x04: // UMAAL
            {
                const u8 rm_idx = BITS(8, 11);
                const u8 rn_idx = BITS(0, 3);
                const u8 rd_lo_idx = BITS(12, 15);
                const u8 rd_hi_idx = BITS(16, 19);

                const u32 rm_val = state->Reg[rm_idx];
                const u32 rn_val = state->Reg[rn_idx];
                const u32 rd_lo_val = state->Reg[rd_lo_idx];
                const u32 rd_hi_val = state->Reg[rd_hi_idx];

                const u64 result = (rn_val * rm_val) + rd_lo_val + rd_hi_val;

                state->Reg[rd_lo_idx] = (result & 0xFFFFFFFF);
                state->Reg[rd_hi_idx] = ((result >> 32) & 0xFFFFFFFF);
                return 1;
            }
            break;
        case 0x06:
            printf ("Unhandled v6 insn: mls/str\n");
            break;
        case 0x16:
            printf ("Unhandled v6 insn: smi\n");
            break;
        case 0x18:
			if (BITS(4, 7) == 0x9) {
				/* strex */
				u32 l = LHSReg;
				u32 r = RHSReg;
				u32 lhs = LHS;

				bool enter = false;

				if (state->currentexval == (u32)ARMul_ReadWord(state, state->currentexaddr))enter = true;
				//StoreWord(state, lhs, RHS)
				if (state->Aborted) {
					TAKEABORT;
				}

				if (enter) {
					ARMul_StoreWordS(state, lhs, RHS);
					state->Reg[DESTReg] = 0;
				}
				else {
					state->Reg[DESTReg] = 1;
				}

				return 1;
			}
            printf ("Unhandled v6 insn: strex\n");
            break;
        case 0x19:
			/* ldrex */
			if (BITS(4, 7) == 0x9) {
				u32 lhs = LHS;

				state->currentexaddr = lhs;
				state->currentexval = ARMul_ReadWord(state, lhs);

				LoadWord(state, instr, lhs);
				return 1;
			}
            printf ("Unhandled v6 insn: ldrex\n");
            break;
        case 0x1a:
            printf ("Unhandled v6 insn: strexd\n");
            break;
        case 0x1b:
            printf ("Unhandled v6 insn: ldrexd\n");
            break;
        case 0x1c:
			if (BITS(4, 7) == 0x9) {
				/* strexb */
				u32 lhs = LHS;

				bool enter = false;

				if (state->currentexval == (u32)ARMul_ReadByte(state, state->currentexaddr))enter = true;

				BUSUSEDINCPCN;
				if (state->Aborted) {
					TAKEABORT;
				}


				if (enter) {
					ARMul_StoreByte(state, lhs, RHS);
					state->Reg[DESTReg] = 0;
				}
				else {
					state->Reg[DESTReg] = 1;
				}

				//printf("In %s, strexb not implemented\n", __FUNCTION__);
				UNDEF_LSRBPC;
				/* WRITESDEST (dest); */
				return 1;
			}
            printf ("Unhandled v6 insn: strexb\n");
            break;
        case 0x1d:
			if ((BITS(4, 7)) == 0x9) {
				/* ldrexb */
				u32 lhs = LHS;
				LoadByte(state, instr, lhs, LUNSIGNED);

				state->currentexaddr = lhs;
				state->currentexval = (u32)ARMul_ReadByte(state, lhs);

				//state->Reg[BITS(12, 15)] = ARMul_LoadByte(state, state->Reg[BITS(16, 19)]);
				//printf("ldrexb\n");
				//printf("instr is %x rm is %d\n", instr, BITS(16, 19));
				//exit(-1);

				//printf("In %s, ldrexb not implemented\n", __FUNCTION__);
				return 1;
			}
            printf ("Unhandled v6 insn: ldrexb\n");
            break;
        case 0x1e:
            printf ("Unhandled v6 insn: strexh\n");
            break;
        case 0x1f:
            printf ("Unhandled v6 insn: ldrexh\n");
            break;
        case 0x30:
            printf ("Unhandled v6 insn: movw\n");
            break;
        case 0x32:
            printf ("Unhandled v6 insn: nop/sev/wfe/wfi/yield\n");
            break;
        case 0x34:
            printf ("Unhandled v6 insn: movt\n");
            break;
        case 0x3f:
            printf ("Unhandled v6 insn: rbit\n");
            break;
        case 0x61: // SSUB16, SADD16, SSAX, and SASX
            if ((instr & 0xFF0) == 0xf70 || (instr & 0xFF0) == 0xf10 ||
                (instr & 0xFF0) == 0xf50 || (instr & 0xFF0) == 0xf30)
            {
                const u8 rd_idx = BITS(12, 15);
                const u8 rm_idx = BITS(0, 3);
                const u8 rn_idx = BITS(16, 19);
                const s16 rn_lo = (state->Reg[rn_idx] & 0xFFFF);
                const s16 rn_hi = ((state->Reg[rn_idx] >> 16) & 0xFFFF);
                const s16 rm_lo = (state->Reg[rm_idx] & 0xFFFF);
                const s16 rm_hi = ((state->Reg[rm_idx] >> 16) & 0xFFFF);

                s32 lo_result;
                s32 hi_result;

                // SSUB16
                if ((instr & 0xFF0) == 0xf70) {
                    lo_result = (rn_lo - rm_lo);
                    hi_result = (rn_hi - rm_hi);
                }
                // SADD16
                else if ((instr & 0xFF0) == 0xf10) {
                    lo_result = (rn_lo + rm_lo);
                    hi_result = (rn_hi + rm_hi);
                }
                // SSAX
                else if ((instr & 0xFF0) == 0xf50) {
                    lo_result = (rn_lo + rm_hi);
                    hi_result = (rn_hi - rm_lo);
                }
                // SASX
                else {
                    lo_result = (rn_lo - rm_hi);
                    hi_result = (rn_hi + rm_lo);
                }

                state->Reg[rd_idx] = (lo_result & 0xFFFF) | ((hi_result & 0xFFFF) << 16);

                if (lo_result >= 0) {
                    state->Cpsr |= (1 << 16);
                    state->Cpsr |= (1 << 17);
                } else {
                    state->Cpsr &= ~(1 << 16);
                    state->Cpsr &= ~(1 << 17);
                }

                if (hi_result >= 0) {
                    state->Cpsr |= (1 << 18);
                    state->Cpsr |= (1 << 19);
                } else {
                    state->Cpsr &= ~(1 << 18);
                    state->Cpsr &= ~(1 << 19);
                }
                return 1;
            } else {
                printf("Unhandled v6 insn: %08x", BITS(20, 27));
            }
            break;
        case 0x62: // QSUB16 and QADD16
            if ((instr & 0xFF0) == 0xf70 || (instr & 0xFF0) == 0xf10) {
                const u8 rd_idx = BITS(12, 15);
                const u8 rn_idx = BITS(16, 19);
                const u8 rm_idx = BITS(0, 3);
                const s16 rm_lo = (state->Reg[rm_idx] & 0xFFFF);
                const s16 rm_hi = ((state->Reg[rm_idx] >> 0x10) & 0xFFFF);
                const s16 rn_lo = (state->Reg[rn_idx] & 0xFFFF);
                const s16 rn_hi = ((state->Reg[rn_idx] >> 0x10) & 0xFFFF);

                s32 lo_result;
                s32 hi_result;

                // QSUB16
                if ((instr & 0xFF0) == 0xf70) {
                    lo_result = (rn_lo - rm_lo);
                    hi_result = (rn_hi - rm_hi);
                }
                else { // QADD16
                    lo_result = (rn_lo + rm_lo);
                    hi_result = (rn_hi + rm_hi);
                }

                if (lo_result > 0x7FFF)
                    lo_result = 0x7FFF;
                else if (lo_result < -0x8000)
                    lo_result = -0x8000;

                if (hi_result > 0x7FFF)
                    hi_result = 0x7FFF;
                else if (hi_result < -0x8000)
                    hi_result = -0x8000;

                state->Reg[rd_idx] = (lo_result & 0xFFFF) | ((hi_result & 0xFFFF) << 16);
                return 1;
            } else {
                printf("Unhandled v6 insn: %08x", BITS(20, 27));
            }
            break;
        case 0x63:
            printf ("Unhandled v6 insn: shadd/shsub\n");
            break;
        case 0x65:
        {
            u32 rd = (instr >> 12) & 0xF;
            u32 rn = (instr >> 16) & 0xF;
            u32 rm = (instr >> 0) & 0xF;
            u32 from = state->Reg[rn];
            u32 to = state->Reg[rm];

            if ((instr & 0xFF0) == 0xF10 || (instr & 0xFF0) == 0xF70) { // UADD16/USUB16
                u32 h1, h2;
                state->Cpsr &= 0xfff0ffff;
                if ((instr & 0x0F0) == 0x070) { // USUB16
                    h1 = ((u16)from - (u16)to);
                    h2 = ((u16)(from >> 16) - (u16)(to >> 16));
                    if (!(h1 & 0xffff0000)) state->Cpsr |= (3 << 16);
                    if (!(h2 & 0xffff0000)) state->Cpsr |= (3 << 18);
                }
                else { // UADD16
                    h1 = ((u16)from + (u16)to);
                    h2 = ((u16)(from >> 16) + (u16)(to >> 16));
                    if (h1 & 0xffff0000) state->Cpsr |= (3 << 16);
                    if (h2 & 0xffff0000) state->Cpsr |= (3 << 18);
                }
                state->Reg[rd] = (u32)((h1 & 0xffff) | ((h2 & 0xffff) << 16));
                return 1;
            }
            else
                if ((instr & 0xFF0) == 0xF90 || (instr & 0xFF0) == 0xFF0) { // UADD8/USUB8
                    u32 b1, b2, b3, b4;
                    state->Cpsr &= 0xfff0ffff;
                    if ((instr & 0x0F0) == 0x0F0) { // USUB8
                        b1 = ((u8)from - (u8)to);
                        b2 = ((u8)(from >> 8) - (u8)(to >> 8));
                        b3 = ((u8)(from >> 16) - (u8)(to >> 16));
                        b4 = ((u8)(from >> 24) - (u8)(to >> 24));
                        if (!(b1 & 0xffffff00)) state->Cpsr |= (1 << 16);
                        if (!(b2 & 0xffffff00)) state->Cpsr |= (1 << 17);
                        if (!(b3 & 0xffffff00)) state->Cpsr |= (1 << 18);
                        if (!(b4 & 0xffffff00)) state->Cpsr |= (1 << 19);
                    }
                    else { // UADD8
                        b1 = ((u8)from + (u8)to);
                        b2 = ((u8)(from >> 8) + (u8)(to >> 8));
                        b3 = ((u8)(from >> 16) + (u8)(to >> 16));
                        b4 = ((u8)(from >> 24) + (u8)(to >> 24));

                        if (b1 & 0xffffff00)
                            state->Cpsr |= (1 << 16);
                        else
                            state->Cpsr &= ~(1 << 16);

                        if (b2 & 0xffffff00)
                            state->Cpsr |= (1 << 17);
                        else
                            state->Cpsr &= ~(1 << 17);

                        if (b3 & 0xffffff00)
                            state->Cpsr |= (1 << 18);
                        else
                            state->Cpsr &= ~(1 << 18);


                        if (b4 & 0xffffff00)
                            state->Cpsr |= (1 << 19);
                        else
                            state->Cpsr &= ~(1 << 19);
                    }

                    state->Reg[rd] = (u32)(b1 | (b2 & 0xff) << 8 | (b3 & 0xff) << 16 | (b4 & 0xff) << 24);
                    return 1;
                }
        }
            printf("Unhandled v6 insn: uasx/usax\n");
            break;
        case 0x66:
			if ((instr & 0x0FF00FF0) == 0x06600FF0) { //uqsub8
                u32 rd = (instr >> 12) & 0xF;
                u32 rm = (instr >> 16) & 0xF;
                u32 rn = (instr >> 0) & 0xF;
                u32 subfrom = state->Reg[rm];
                u32 tosub = state->Reg[rn];

                u8 b1 = (u8)((u8)(subfrom)-(u8)(tosub));
                if (b1 > (u8)(subfrom)) b1 = 0;
                u8 b2 = (u8)((u8)(subfrom >> 8) - (u8)(tosub >> 8));
                if (b2 > (u8)(subfrom >> 8)) b2 = 0;
                u8 b3 = (u8)((u8)(subfrom >> 16) - (u8)(tosub >> 16));
                if (b3 > (u8)(subfrom >> 16)) b3 = 0;
                u8 b4 = (u8)((u8)(subfrom >> 24) - (u8)(tosub >> 24));
                if (b4 > (u8)(subfrom >> 24)) b4 = 0;
                state->Reg[rd] = (u32)(b1 | b2 << 8 | b3 << 16 | b4 << 24);
                return 1;
            } else {
                printf ("Unhandled v6 insn: uqsub16\n");
            }
            break;
        case 0x67:
            printf ("Unhandled v6 insn: uhadd/uhsub\n");
            break;
        case 0x68:
        {
            u32 rd = (instr >> 12) & 0xF;
            u32 rn = (instr >> 16) & 0xF;
            u32 rm = (instr >> 0) & 0xF;
            u32 from = state->Reg[rn];
            u32 to = state->Reg[rm];
            u32 cpsr = state->Cpsr;
            if ((instr & 0xFF0) == 0xFB0) { // SEL
                u32 result;
                if (cpsr & (1 << 16))
                    result = from & 0xff;
                else
                    result = to & 0xff;
                if (cpsr & (1 << 17))
                    result |= from & 0x0000ff00;
                else
                    result |= to & 0x0000ff00;
                if (cpsr & (1 << 18))
                    result |= from & 0x00ff0000;
                else
                    result |= to & 0x00ff0000;
                if (cpsr & (1 << 19))
                    result |= from & 0xff000000;
                else
                    result |= to & 0xff000000;
                state->Reg[rd] = result;
                return 1;
            }
        }
            printf("Unhandled v6 insn: pkh/sxtab/selsxtb\n");
            break;
		case 0x6a: {
			ARMword Rm;
			int ror = -1;

			switch (BITS(4, 11)) {
				case 0x07:
					ror = 0;
					break;
				case 0x47:
					ror = 8;
					break;
				case 0x87:
					ror = 16;
					break;
				case 0xc7:
					ror = 24;
					break;

				case 0x01:
				case 0xf3:
					//ichfly
					//SSAT16
				{
					u8 tar = BITS(12, 15);
					u8 src = BITS(0, 3);
					u8 val = BITS(16, 19) + 1;
					s16 a1 = (state->Reg[src]);
					s16 a2 = (state->Reg[src] >> 0x10);
					s16 min = (s16)(0x8000 >> (16 - val));
					s16 max = 0x7FFF >> (16 - val);
					if (min > a1) a1 = min;
					if (max < a1) a1 = max;
					if (min > a2) a2 = min;
					if (max < a2) a2 = max;
					u32 temp2 = ((u32)(a2)) << 0x10;
					state->Reg[tar] = (a1 & 0xFFFF) | (temp2);
				}

				return 1;
				default:
					break;
			}

			if (ror == -1) {
				if (BITS(4, 6) == 0x7) {
					printf("Unhandled v6 insn: ssat\n");
					return 0;
				}
				break;
			}

			Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFF) | (((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFF) & 0xFF);
			if (Rm & 0x80)
				Rm |= 0xffffff00;

			if (BITS(16, 19) == 0xf)
				/* SXTB */
				state->Reg[BITS(12, 15)] = Rm;
			else
				/* SXTAB */
				state->Reg[BITS(12, 15)] = state->Reg[BITS(16, 19)] + Rm;

			return 1;
		}
		case 0x6b:
		{
			ARMword Rm;
			int ror = -1;

			switch (BITS(4, 11)) {
				case 0x07:
					ror = 0;
					break;
				case 0x47:
					ror = 8;
					break;
				case 0x87:
					ror = 16;
					break;
				case 0xc7:
					ror = 24;
					break;

				case 0xf3: // REV
					DEST = ((RHS & 0xFF) << 24) | ((RHS & 0xFF00)) << 8 | ((RHS & 0xFF0000) >> 8) | ((RHS & 0xFF000000) >> 24);
					return 1;
				case 0xfb: // REV16
					DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00)) >> 8 | ((RHS & 0xFF0000) << 8) | ((RHS & 0xFF000000) >> 8);
					return 1;
				default:
					break;
			}

			if (ror == -1)
				break;

			Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFFFF) | (((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFFFF) & 0xFFFF);
			if (Rm & 0x8000)
				Rm |= 0xffff0000;

			if (BITS(16, 19) == 0xf)
				/* SXTH */
				state->Reg[BITS(12, 15)] = Rm;
			else
				/* SXTAH */
				state->Reg[BITS(12, 15)] = state->Reg[BITS(16, 19)] + Rm;

			return 1;
		}
		case 0x6c: // UXTB16 and UXTAB16
			{
				const u8 rm_idx = BITS(0, 3);
				const u8 rn_idx = BITS(16, 19);
				const u8 rd_idx = BITS(12, 15);
				const u32 rm_val = state->Reg[rm_idx];
				const u32 rn_val = state->Reg[rn_idx];
				const u32 rotation = BITS(10, 11) * 8;
				const u32 rotated_rm = ((rm_val << (32 - rotation)) | (rm_val >> rotation));

				// UXTB16
				if ((instr & 0xf03f0) == 0xf0070) {
					state->Reg[rd_idx] = rotated_rm & 0x00FF00FF;
				}
				else { // UXTAB16
					const u8 lo_rotated = (rotated_rm & 0xFF);
					const u16 lo_result = (rn_val & 0xFFFF) + (u16)lo_rotated;

					const u8 hi_rotated = (rotated_rm >> 16) & 0xFF;
					const u16 hi_result = (rn_val >> 16) + (u16)hi_rotated;

					state->Reg[rd_idx] = ((hi_result << 16) | (lo_result & 0xFFFF));
				}

				return 1;
			}
			break;
		case 0x6e: {
			ARMword Rm;
			int ror = -1;

			switch (BITS(4, 11)) {
				case 0x07:
					ror = 0;
					break;
				case 0x47:
					ror = 8;
					break;
				case 0x87:
					ror = 16;
					break;
				case 0xc7:
					ror = 24;
					break;

				case 0x01:
				case 0xf3:
					//ichfly
					//USAT16
				{
					const u8 rd_idx = BITS(12, 15);
					const u8 rn_idx = BITS(0, 3);
					const u8 num_bits = BITS(16, 19);
					const s16 max = 0xFFFF >> (16 - num_bits);
					s16 rn_lo = (state->Reg[rn_idx]);
					s16 rn_hi = (state->Reg[rn_idx] >> 16);
					
					if (max < rn_lo)
						rn_lo = max;
					else if (rn_lo < 0)
						rn_lo = 0;

					if (max < rn_hi)
						rn_hi = max;
					else if (rn_hi < 0)
						rn_hi = 0;
					
					state->Reg[rd_idx] = (rn_lo & 0xFFFF) | ((rn_hi << 16) & 0xFFFF);
					return 1;
				}

				default:
					break;
			}

			if (ror == -1) {
				if (BITS(4, 6) == 0x7) {
					printf("Unhandled v6 insn: usat\n");
					return 0;
				}
				break;
			}

			Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFF) | (((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFF) & 0xFF);

			if (BITS(16, 19) == 0xf)
				/* UXTB */
				state->Reg[BITS(12, 15)] = Rm;
			else
				/* UXTAB */
				state->Reg[BITS(12, 15)] = state->Reg[BITS(16, 19)] + Rm;

			return 1;
		}

		case 0x6f: {
			ARMword Rm;
			int ror = -1;

			switch (BITS(4, 11)) {
				case 0x07:
					ror = 0;
					break;
				case 0x47:
					ror = 8;
					break;
				case 0x87:
					ror = 16;
					break;
				case 0xc7:
					ror = 24;
					break;

				case 0xfb: // REVSH
				{
					DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00) >> 8);
					if (DEST & 0x8000)
						DEST |= 0xffff0000;
					return 1;
				}
				default:
					break;
			}

			if (ror == -1)
				break;

			Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFFFF) | (((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFFFF) & 0xFFFF);

			/* UXT */
			/* state->Reg[BITS (12, 15)] = Rm; */
			/* dyf add */
			if (BITS(16, 19) == 0xf) {
				state->Reg[BITS(12, 15)] = Rm;
			}
			else {
				/* UXTAH */
				/* state->Reg[BITS (12, 15)] = state->Reg [BITS (16, 19)] + Rm; */
				//            printf("rd is %x rn is %x rm is %x rotate is %x\n", state->Reg[BITS (12, 15)], state->Reg[BITS (16, 19)]
				//                   , Rm, BITS(10, 11));
				//            printf("icounter is %lld\n", state->NumInstrs);
				state->Reg[BITS(12, 15)] = state->Reg[BITS(16, 19)] + Rm;
				//        printf("rd is %x\n", state->Reg[BITS (12, 15)]);
				//        exit(-1);
			}

			return 1;
		}
        case 0x70:
            // ichfly
            // SMUAD, SMUSD, SMLAD
            if ((instr & 0xf0d0) == 0xf010 || (instr & 0xf0d0) == 0xf050 || (instr & 0xd0) == 0x10) {
                const u8 rd_idx = BITS(16, 19);
                const u8 rn_idx = BITS(0, 3);
                const u8 rm_idx = BITS(8, 11);
                const bool do_swap = (BIT(5) == 1);

                u32 rm_val = state->Reg[rm_idx];
                const u32 rn_val = state->Reg[rn_idx];

                if (do_swap)
                    rm_val = (((rm_val & 0xFFFF) << 16) | (rm_val >> 16));

                const s16 rm_lo = (rm_val & 0xFFFF);
                const s16 rm_hi = ((rm_val >> 16) & 0xFFFF);
                const s16 rn_lo = (rn_val & 0xFFFF);
                const s16 rn_hi = ((rn_val >> 16) & 0xFFFF);

                // SMUAD
                if ((instr & 0xf0d0) == 0xf010) {
                    state->Reg[rd_idx] = (rn_lo * rm_lo) + (rn_hi * rm_hi);
                }
                // SMUSD
                else if ((instr & 0xf0d0) == 0xf050) {
                    state->Reg[rd_idx] = (rn_lo * rm_lo) - (rn_hi * rm_hi);
                }
                // SMLAD
                else {
                    const u8 ra_idx = BITS(12, 15);
                    state->Reg[rd_idx] = (rn_lo * rm_lo) + (rn_hi * rm_hi) + (s32)state->Reg[ra_idx];
                }
                return 1;
            } else {
                printf ("Unhandled v6 insn: smlsd\n");
            }
            break;
        case 0x74:
            printf ("Unhandled v6 insn: smlald/smlsld\n");
            break;
        case 0x75:
            printf ("Unhandled v6 insn: smmla/smmls/smmul\n");
            break;
        case 0x78:
            printf ("Unhandled v6 insn: usad/usada8\n");
            break;
        case 0x7a:
            printf ("Unhandled v6 insn: usbfx\n");
            break;
        case 0x7c:
            printf ("Unhandled v6 insn: bfc/bfi\n");
            break;
        case 0x84:
            printf ("Unhandled v6 insn: srs\n");
            break;
        default:
            break;
        }
        printf("Unhandled v6 insn: UNKNOWN: %08x %08X\n", instr, BITS(20, 27));
        return 0;
    }