diff options
author | Arisotura <thetotalworm@gmail.com> | 2020-05-30 02:40:51 +0200 |
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committer | Arisotura <thetotalworm@gmail.com> | 2020-05-30 02:40:51 +0200 |
commit | 5eb01f1f15d81fc908b9ed3819213442b8c4bd3e (patch) | |
tree | 0566df9ba03eff43361c06981b8730416ff78714 /src/ARMInterpreter_ALU.cpp | |
parent | f9ac26078b7d88803ea7079490f419b4a0bfe660 (diff) | |
parent | e8f4735c7fb4d9fc142a4571e99672ca750be66b (diff) |
begin renovating melonDSi
Diffstat (limited to 'src/ARMInterpreter_ALU.cpp')
-rw-r--r-- | src/ARMInterpreter_ALU.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/ARMInterpreter_ALU.cpp b/src/ARMInterpreter_ALU.cpp index f23d6b2..d60d8f8 100644 --- a/src/ARMInterpreter_ALU.cpp +++ b/src/ARMInterpreter_ALU.cpp @@ -106,12 +106,12 @@ namespace ARMInterpreter x = ROR(x, (s&0x1F)); #define LSL_REG_S(x, s) \ - if (s > 31) { cpu->SetC(x & (1<<0)); x = 0; } \ - else if (s > 0) { cpu->SetC(x & (1<<(32-s))); x <<= s; } + if (s > 31) { cpu->SetC((s>32) ? 0 : (x & (1<<0))); x = 0; } \ + else if (s > 0) { cpu->SetC(x & (1<<(32-s))); x <<= s; } #define LSR_REG_S(x, s) \ - if (s > 31) { cpu->SetC(x & (1<<31)); x = 0; } \ - else if (s > 0) { cpu->SetC(x & (1<<(s-1))); x >>= s; } + if (s > 31) { cpu->SetC((s>32) ? 0 : (x & (1<<31))); x = 0; } \ + else if (s > 0) { cpu->SetC(x & (1<<(s-1))); x >>= s; } #define ASR_REG_S(x, s) \ if (s > 31) { cpu->SetC(x & (1<<31)); x = ((s32)x) >> 31; } \ @@ -134,7 +134,7 @@ namespace ARMInterpreter #define A_CALC_OP2_REG_SHIFT_REG(shiftop) \ u32 b = cpu->R[cpu->CurInstr&0xF]; \ if ((cpu->CurInstr&0xF)==15) b += 4; \ - shiftop(b, cpu->R[(cpu->CurInstr>>8)&0xF]); + shiftop(b, (cpu->R[(cpu->CurInstr>>8)&0xF] & 0xFF)); #define A_IMPLEMENT_ALU_OP(x,s) \ |