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Reorganised FPU emulation.

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This commit is contained in:
TomW 2014-11-09 14:07:03 +00:00
commit 087f412d3f
12 changed files with 2670 additions and 1436 deletions
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17
src/386_common.h
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@ -134,6 +134,12 @@ static inline uint32_t getlong()
return fastreadl(cs+(pc-4));
}
static inline uint64_t getquad()
{
pc+=8;
return fastreadl(cs+(pc-8)) | ((uint64_t)fastreadl(cs+(pc-4)) << 32);
}
static inline uint8_t geteab()
@ -162,6 +168,11 @@ static inline uint32_t geteal()
return readmeml(easeg,eaaddr);
}
static inline uint64_t geteaq()
{
return readmeml(easeg,eaaddr) | ((uint64_t)readmeml(easeg, eaaddr + 4) << 32);
}
static inline uint8_t geteab_mem()
{
if (eal_r) return *(uint8_t *)eal_r;
@ -178,6 +189,12 @@ static inline uint32_t geteal_mem()
return readmeml(easeg,eaaddr);
}
static inline void seteaq(uint64_t v)
{
writememll(easeg, eaaddr, v & 0xffffffff); if (abrt) return;
writememll(easeg, eaaddr + 4, v >> 32);
}
#define seteab(v) if (mod!=3) { if (eal_w) *(uint8_t *)eal_w=v; else writememb386l(easeg,eaaddr,v); } else if (rm&4) regs[rm&3].b.h=v; else regs[rm].b.l=v
#define seteaw(v) if (mod!=3) { if (eal_w) *(uint16_t *)eal_w=v; else writememwl(easeg,eaaddr,v); } else regs[rm].w=v
#define seteal(v) if (mod!=3) { if (eal_w) *eal_w=v; else writememll(easeg,eaaddr,v); } else regs[rm].l=v