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FDIVP/FDIVRP should pop the stack when a divide by zero occurs and the exception is masked. Fixes software rendering on Need for Speed III.

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This commit is contained in:
SarahW 2018-10-09 22:10:29 +01:00
commit e17a94a409
1 changed files with 3 additions and 3 deletions
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6
src/x87_ops.h
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@ -18,15 +18,15 @@ static int rounding_modes[4] = {FE_TONEAREST, FE_DOWNWARD, FE_UPWARD, FE_TOWARDZ
{ \
if (((double)src2) == 0.0) \
{ \
cpu_state.npxs |= STATUS_ZERODIVIDE; \
if (cpu_state.npxc & STATUS_ZERODIVIDE) \
cpu_state.npxs |= STATUS_ZERODIVIDE; \
if (cpu_state.npxc & STATUS_ZERODIVIDE) \
dst = src1 / (double)src2; \
else \
{ \
pclog("FPU : divide by zero\n"); \
picint(1 << 13); \
return 1; \
} \
return 1; \
} \
else \
dst = src1 / (double)src2; \