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-rw-r--r--src/core/arm/dyncom/arm_dyncom_interpreter.cpp105
-rw-r--r--src/core/arm/skyeye_common/armdefs.h5
-rw-r--r--src/core/arm/skyeye_common/armemu.h4
3 files changed, 102 insertions, 12 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
index 9b355fc6e..7306794fe 100644
--- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
@@ -3249,12 +3249,44 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(blx_1_thumb)(unsigned int tinst, int index)
return inst_base;
}
-ARM_INST_PTR INTERPRETER_TRANSLATE(uqadd16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UQADD16"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(uqadd8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UQADD8"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(uqaddsubx)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UQADDSUBX"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(uqsub16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UQSUB16"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(uqsub8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UQSUB8"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(uqsubaddx)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UQSUBADDX"); }
+ARM_INST_PTR INTERPRETER_TRANSLATE(uqadd8)(unsigned int inst, int index)
+{
+ arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(generic_arm_inst));
+ generic_arm_inst* const inst_cream = (generic_arm_inst*)inst_base->component;
+
+ inst_base->cond = BITS(inst, 28, 31);
+ inst_base->idx = index;
+ inst_base->br = NON_BRANCH;
+ inst_base->load_r15 = 0;
+
+ inst_cream->Rm = BITS(inst, 0, 3);
+ inst_cream->Rn = BITS(inst, 16, 19);
+ inst_cream->Rd = BITS(inst, 12, 15);
+ inst_cream->op1 = BITS(inst, 20, 21);
+ inst_cream->op2 = BITS(inst, 5, 7);
+
+ return inst_base;
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(uqadd16)(unsigned int inst, int index)
+{
+ return INTERPRETER_TRANSLATE(uqadd8)(inst, index);
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(uqaddsubx)(unsigned int inst, int index)
+{
+ return INTERPRETER_TRANSLATE(uqadd8)(inst, index);
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(uqsub8)(unsigned int inst, int index)
+{
+ return INTERPRETER_TRANSLATE(uqadd8)(inst, index);
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(uqsub16)(unsigned int inst, int index)
+{
+ return INTERPRETER_TRANSLATE(uqadd8)(inst, index);
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(uqsubaddx)(unsigned int inst, int index)
+{
+ return INTERPRETER_TRANSLATE(uqadd8)(inst, index);
+}
ARM_INST_PTR INTERPRETER_TRANSLATE(usad8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("USAD8"); }
ARM_INST_PTR INTERPRETER_TRANSLATE(usada8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("USADA8"); }
ARM_INST_PTR INTERPRETER_TRANSLATE(usat)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("USAT"); }
@@ -6876,12 +6908,69 @@ unsigned InterpreterMainLoop(ARMul_State* state)
goto DISPATCH;
}
- UQADD16_INST:
UQADD8_INST:
+ UQADD16_INST:
UQADDSUBX_INST:
- UQSUB16_INST:
UQSUB8_INST:
+ UQSUB16_INST:
UQSUBADDX_INST:
+ {
+ INC_ICOUNTER;
+
+ if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
+ generic_arm_inst* const inst_cream = (generic_arm_inst*)inst_base->component;
+
+ const u8 op2 = inst_cream->op2;
+ const u32 rm_val = RM;
+ const u32 rn_val = RN;
+
+ u16 lo_val = 0;
+ u16 hi_val = 0;
+
+ // UQADD16
+ if (op2 == 0x00) {
+ lo_val = ARMul_UnsignedSaturatedAdd16(rn_val & 0xFFFF, rm_val & 0xFFFF);
+ hi_val = ARMul_UnsignedSaturatedAdd16((rn_val >> 16) & 0xFFFF, (rm_val >> 16) & 0xFFFF);
+ }
+ // UQASX
+ else if (op2 == 0x01) {
+ lo_val = ARMul_UnsignedSaturatedSub16(rn_val & 0xFFFF, (rm_val >> 16) & 0xFFFF);
+ hi_val = ARMul_UnsignedSaturatedAdd16((rn_val >> 16) & 0xFFFF, rm_val & 0xFFFF);
+ }
+ // UQSAX
+ else if (op2 == 0x02) {
+ lo_val = ARMul_UnsignedSaturatedAdd16(rn_val & 0xFFFF, (rm_val >> 16) & 0xFFFF);
+ hi_val = ARMul_UnsignedSaturatedSub16((rn_val >> 16) & 0xFFFF, rm_val & 0xFFFF);
+ }
+ // UQSUB16
+ else if (op2 == 0x03) {
+ lo_val = ARMul_UnsignedSaturatedSub16(rn_val & 0xFFFF, rm_val & 0xFFFF);
+ hi_val = ARMul_UnsignedSaturatedSub16((rn_val >> 16) & 0xFFFF, (rm_val >> 16) & 0xFFFF);
+ }
+ // UQADD8
+ else if (op2 == 0x04) {
+ lo_val = ARMul_UnsignedSaturatedAdd8(rn_val, rm_val) |
+ ARMul_UnsignedSaturatedAdd8(rn_val >> 8, rm_val >> 8) << 8;
+ hi_val = ARMul_UnsignedSaturatedAdd8(rn_val >> 16, rm_val >> 16) |
+ ARMul_UnsignedSaturatedAdd8(rn_val >> 24, rm_val >> 24) << 8;
+ }
+ // UQSUB8
+ else {
+ lo_val = ARMul_UnsignedSaturatedSub8(rn_val, rm_val) |
+ ARMul_UnsignedSaturatedSub8(rn_val >> 8, rm_val >> 8) << 8;
+ hi_val = ARMul_UnsignedSaturatedSub8(rn_val >> 16, rm_val >> 16) |
+ ARMul_UnsignedSaturatedSub8(rn_val >> 24, rm_val >> 24) << 8;
+ }
+
+ RD = ((lo_val & 0xFFFF) | hi_val << 16);
+ }
+
+ cpu->Reg[15] += GET_INST_SIZE(cpu);
+ INC_PC(sizeof(generic_arm_inst));
+ FETCH_INST;
+ GOTO_NEXT_INST;
+ }
+
USAD8_INST:
USADA8_INST:
USAT_INST:
diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h
index 34eb5aaf7..5b6e5f8cd 100644
--- a/src/core/arm/skyeye_common/armdefs.h
+++ b/src/core/arm/skyeye_common/armdefs.h
@@ -790,6 +790,11 @@ extern void ARMul_FixSPSR(ARMul_State*, ARMword, ARMword);
extern void ARMul_ConsolePrint(ARMul_State*, const char*, ...);
extern void ARMul_SelectProcessor(ARMul_State*, unsigned);
+extern u8 ARMul_UnsignedSaturatedAdd8(u8, u8);
+extern u16 ARMul_UnsignedSaturatedAdd16(u16, u16);
+extern u8 ARMul_UnsignedSaturatedSub8(u8, u8);
+extern u16 ARMul_UnsignedSaturatedSub16(u16, u16);
+
#define DIFF_LOG 0
#define SAVE_LOG 0
diff --git a/src/core/arm/skyeye_common/armemu.h b/src/core/arm/skyeye_common/armemu.h
index 0b87dd39c..3ea14b5a3 100644
--- a/src/core/arm/skyeye_common/armemu.h
+++ b/src/core/arm/skyeye_common/armemu.h
@@ -603,10 +603,6 @@ extern void ARMul_MSRCpsr (ARMul_State *, ARMword, ARMword);
extern void ARMul_SubOverflow (ARMul_State *, ARMword, ARMword, ARMword);
extern void ARMul_AddOverflow (ARMul_State *, ARMword, ARMword, ARMword);
extern void ARMul_AddOverflowQ(ARMul_State*, ARMword, ARMword);
-extern u8 ARMul_UnsignedSaturatedAdd8(u8, u8);
-extern u16 ARMul_UnsignedSaturatedAdd16(u16, u16);
-extern u8 ARMul_UnsignedSaturatedSub8(u8, u8);
-extern u16 ARMul_UnsignedSaturatedSub16(u16, u16);
extern void ARMul_SubCarry (ARMul_State *, ARMword, ARMword, ARMword);
extern void ARMul_AddCarry (ARMul_State *, ARMword, ARMword, ARMword);
extern tdstate ARMul_ThumbDecode (ARMul_State *, ARMword, ARMword, ARMword *);
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 19:09:51 +0100