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pretty huge mtc1/dmtc1 bug

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SimoneN64
2024-06-21 22:39:11 +02:00
parent f4a4aebbee
commit 3eb8c0d79b
1 changed files with 2 additions and 2 deletions
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4
src/backend/core/registers/cop/cop1instructions.cpp
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@@ -1078,7 +1078,7 @@ void Cop1::sdc1Interp(Mem& mem, u32 instr) {
void Cop1::mfc1(u32 instr) { void Cop1::mfc1(u32 instr) {
CheckFPUUsable_PreserveCause(); CheckFPUUsable_PreserveCause();
regs.gpr[RT(instr)] = FGR_S<s32>(regs.cop0.status, FS(instr)); regs.gpr[RT(instr)] = FGR_T<s32>(regs.cop0.status, FS(instr));
} }
void Cop1::dmfc1(u32 instr) { void Cop1::dmfc1(u32 instr) {
@@ -1088,7 +1088,7 @@ void Cop1::dmfc1(u32 instr) {
void Cop1::mtc1(u32 instr) { void Cop1::mtc1(u32 instr) {
CheckFPUUsable_PreserveCause(); CheckFPUUsable_PreserveCause();
FGR_S<u32>(regs.cop0.status, FS(instr)) = regs.gpr[RT(instr)]; FGR_T<s32>(regs.cop0.status, FS(instr)) = regs.gpr[RT(instr)];
} }
void Cop1::dmtc1(u32 instr) { void Cop1::dmtc1(u32 instr) {