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-rw-r--r--src/core/arm/interpreter/armemu.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp
index 843323293..cffbae7e7 100644
--- a/src/core/arm/interpreter/armemu.cpp
+++ b/src/core/arm/interpreter/armemu.cpp
@@ -6044,7 +6044,7 @@ L_stm_s_takeabort:
break;
}
- Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFF);
+ Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFF) | ((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFF) & 0xFF;
if (Rm & 0x80)
Rm |= 0xffffff00;
@@ -6053,7 +6053,7 @@ L_stm_s_takeabort:
state->Reg[BITS(12, 15)] = Rm;
else
/* SXTAB */
- state->Reg[BITS(12, 15)] += Rm;
+ state->Reg[BITS(12, 15)] = state->Reg[BITS(16, 19)] + Rm;
return 1;
}