armemu: Fix SXTAH

1 files changed, 3 insertions, 2 deletions

diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp
index 5752d116f..843323293 100644
--- a/src/core/arm/interpreter/armemu.cpp
+++ b/src/core/arm/interpreter/armemu.cpp
@@ -6057,7 +6057,8 @@ L_stm_s_takeabort:
 
                         return 1;
                 }
-                case 0x6b: {
+                case 0x6b:
+                {
                         ARMword Rm;
                         int ror = -1;
 
@@ -6088,7 +6089,7 @@ L_stm_s_takeabort:
                         if (ror == -1)
                                 break;
 
-                        Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFFFF);
+                        Rm = ((state->Reg[BITS(0, 3)] >> ror) & 0xFFFF) | ((state->Reg[BITS(0, 3)] << (32 - ror)) & 0xFFFF) & 0xFFFF;
                         if (Rm & 0x8000)
                                 Rm |= 0xffff0000;