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armemu: Fix PKHTB

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Normmatt 2014-12-17 03:13:44 -05:00 committed by Lioncash
parent 8045df14d2
commit 73211dc8fe
1 changed files with 12 additions and 6 deletions
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18
src/core/arm/interpreter/armemu.cpp
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@ -3103,12 +3103,18 @@ mainswitch:
state->Reg[idest] = (state->Reg[rfis] & 0xFFFF) | ((state->Reg[rlast] << ishi) & 0xFFFF0000);
break;
} else if ((instr & 0x70) == 0x50) { //pkhtb
u8 idest = BITS(12, 15);
u8 rfis = BITS(16, 19);
u8 rlast = BITS(0, 3);
u8 ishi = BITS(7, 11);
if (ishi == 0)ishi = 0x20;
state->Reg[idest] = (((int)(state->Reg[rlast]) >> (int)(ishi))& 0xFFFF) | ((state->Reg[rfis]) & 0xFFFF0000);
const u8 rd_idx = BITS(12, 15);
const u8 rn_idx = BITS(16, 19);
const u8 rm_idx = BITS(0, 3);
const u8 imm5 = BITS(7, 11);
ARMword val;
if (imm5 >= 32)
val = (state->Reg[rm_idx] >> 31);
else
val = (state->Reg[rm_idx] >> imm5);
state->Reg[rd_idx] = (val & 0xFFFF) | ((state->Reg[rn_idx]) & 0xFFFF0000);
break;
} else if (BIT (4)) {
#ifdef MODE32