1 files changed, 4 insertions, 4 deletions

diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp
index cffbae7e7..a62658b7c 100644
--- a/src/core/arm/interpreter/armemu.cpp
+++ b/src/core/arm/interpreter/armemu.cpp
@@ -6176,7 +6176,7 @@ 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 (BITS(16, 19) == 0xf)
                                 /* UXTB */
@@ -6216,13 +6216,13 @@ 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;
 
                         /* UXT */
                         /* state->Reg[BITS (12, 15)] = Rm; */
                         /* dyf add */
                         if (BITS(16, 19) == 0xf) {
-                                state->Reg[BITS(12, 15)] = (Rm >> (8 * BITS(10, 11))) & 0x0000FFFF;
+                                state->Reg[BITS(12, 15)] = Rm;
                         }
                         else {
                                 /* UXTAH */
@@ -6230,7 +6230,7 @@ L_stm_s_takeabort:
                                 //            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)] >> (8 * (BITS(10, 11)))) + Rm;
+                                state->Reg[BITS(12, 15)] = state->Reg[BITS(16, 19)] + Rm;
                                 //        printf("rd is %x\n", state->Reg[BITS (12, 15)]);
                                 //        exit(-1);
                         }