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Fixed bug with FRSTOR which broke FPU copy.

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This commit is contained in:
SarahW 2016-09-10 18:41:58 +01:00
commit 1004d947d5
2 changed files with 11 additions and 14 deletions
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9
src/x87_ops.h
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@ -177,17 +177,14 @@ static inline void x87_st_fsave(int reg)
static inline void x87_ld_frstor(int reg)
{
uint16_t temp;
reg = (cpu_state.TOP + reg) & 7;
temp = readmemw(easeg, cpu_state.eaaddr + 8);
cpu_state.MM[reg].q = readmemq(easeg, cpu_state.eaaddr);
cpu_state.MM_w4[reg] = readmemw(easeg, cpu_state.eaaddr + 8);
if (temp == 0x5555 && cpu_state.tag[reg] == 2)
if (cpu_state.MM_w4[reg] == 0x5555 && cpu_state.tag[reg] == 2)
{
cpu_state.tag[reg] = TAG_UINT64;
cpu_state.MM[reg].q = readmeml(easeg, cpu_state.eaaddr);
cpu_state.MM[reg].q |= ((uint64_t)readmeml(easeg, cpu_state.eaaddr + 4) << 32);
cpu_state.ST[reg] = (double)cpu_state.MM[reg].q;
}
else