franklinblanco/yuzu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #494 from lioncash/shift

Browse Source 
dyncom: Implement missing shifts in ScaledRegisterPostIndexed, etc
This commit is contained in:
bunnei 2015-01-19 16:42:31 -05:00
commit 004b23153b
1 changed files with 33 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
View File

@ -410,10 +410,21 @@ void LnSWoUB(ScaledRegisterPreIndexed)(arm_processor *cpu, unsigned int inst, un
} }
break; break;
case 2: case 2:
DEBUG_MSG; if (shift_imm == 0) { // ASR #32
if (BIT(rm, 31) == 1)
index = 0xFFFFFFFF;
else
index = 0;
} else {
index = static_cast<int>(rm) >> shift_imm;
}
break; break;
case 3: case 3:
DEBUG_MSG; if (shift_imm == 0) {
index = (cpu->CFlag << 31) | (rm >> 1);
} else {
index = ROTATE_RIGHT_32(rm, shift_imm);
}
break; break;
} }
@ -449,10 +460,21 @@ void LnSWoUB(ScaledRegisterPostIndexed)(arm_processor *cpu, unsigned int inst, u
} }
break; break;
case 2: case 2:
DEBUG_MSG; if (shift_imm == 0) { // ASR #32
if (BIT(rm, 31) == 1)
index = 0xFFFFFFFF;
else
index = 0;
} else {
index = static_cast<int>(rm) >> shift_imm;
}
break; break;
case 3: case 3:
DEBUG_MSG; if (shift_imm == 0) {
index = (cpu->CFlag << 31) | (rm >> 1);
} else {
index = ROTATE_RIGHT_32(rm, shift_imm);
}
break; break;
} }
@ -655,7 +677,7 @@ void LnSWoUB(ScaledRegisterOffset)(arm_processor *cpu, unsigned int inst, unsign
break; break;
case 2: case 2:
if (shift_imm == 0) { // ASR #32 if (shift_imm == 0) { // ASR #32
if (rm >> 31) if (BIT(rm, 31) == 1)
index = 0xFFFFFFFF; index = 0xFFFFFFFF;
else else
index = 0; index = 0;
@ -664,7 +686,11 @@ void LnSWoUB(ScaledRegisterOffset)(arm_processor *cpu, unsigned int inst, unsign
} }
break; break;
case 3: case 3:
DEBUG_MSG; if (shift_imm == 0) {
index = (cpu->CFlag << 31) | (rm >> 1);
} else {
index = ROTATE_RIGHT_32(rm, shift_imm);
}
break; break;
} }