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Minor memory optimisations.

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This commit is contained in:
TomW 2014-06-07 15:57:57 +01:00
commit 9ba75bd910
5 changed files with 46 additions and 90 deletions
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20
src/386.c
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@ -55,16 +55,14 @@ int cgate32;
#undef writememb
#define readmemb(s,a) ((readlookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF)?readmemb386l(s,a):ram[readlookup2[((s)+(a))>>12]+(((s)+(a))&0xFFF)])
#define readmemb(s,a) ((readlookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF)?readmemb386l(s,a): *(uint8_t *)(readlookup2[((s)+(a))>>12] + (s) + (a)) )
#define writememb(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF) writememb386l(s,a,v); else ram[writelookup2[((s)+(a))>>12]+(((s)+(a))&0xFFF)]=v
#define writememb(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF) writememb386l(s,a,v); else *(uint8_t *)(writelookup2[((s) + (a)) >> 12] + (s) + (a)) = v
#define writememw(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFE) writememwl(s,a,v); else *((uint16_t *)(&ram[writelookup2[((s)+(a))>>12]+(((s)+(a))&0xFFF)]))=v
#define writememl(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFC) writememll(s,a,v); else *((uint32_t *)(&ram[writelookup2[((s)+(a))>>12]+(((s)+(a))&0xFFF)]))=v
#define writememw(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFE) writememwl(s,a,v); else *(uint16_t *)(writelookup2[((s) + (a)) >> 12] + (s) + (a)) = v
#define writememl(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFC) writememll(s,a,v); else *(uint32_t *)(writelookup2[((s) + (a)) >> 12] + (s) + (a)) = v
uint32_t mmucache[0x100000];
uint8_t romext[32768];
uint8_t *ram,*rom;
uint16_t biosmask;
@ -194,7 +192,7 @@ static inline uint32_t geteal_mem()
return readmeml(easeg,eaaddr);
}
#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 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
@ -269,9 +267,9 @@ static inline void fetch_ea_32_long(uint32_t rmdat)
if (easeg != 0xFFFFFFFF && ((easeg + eaaddr) & 0xFFF) <= 0xFFC)
{
if ( readlookup2[(easeg + eaaddr) >> 12] != 0xFFFFFFFF)
eal_r = (uint32_t *)&ram[ readlookup2[(easeg + eaaddr) >> 12] + ((easeg + eaaddr) & 0xFFF)];
eal_r = (uint32_t *)(readlookup2[(easeg + eaaddr) >> 12] + easeg + eaaddr);
if (writelookup2[(easeg + eaaddr) >> 12] != 0xFFFFFFFF)
eal_w = (uint32_t *)&ram[writelookup2[(easeg + eaaddr) >> 12] + ((easeg + eaaddr) & 0xFFF)];
eal_w = (uint32_t *)(writelookup2[(easeg + eaaddr) >> 12] + easeg + eaaddr);
}
}
@ -307,9 +305,9 @@ static inline void fetch_ea_16_long(uint32_t rmdat)
if (easeg != 0xFFFFFFFF && ((easeg + eaaddr) & 0xFFF) <= 0xFFC)
{
if ( readlookup2[(easeg + eaaddr) >> 12] != 0xFFFFFFFF)
eal_r = (uint32_t *)&ram[ readlookup2[(easeg + eaaddr) >> 12] + ((easeg + eaaddr) & 0xFFF)];
eal_r = (uint32_t *)(readlookup2[(easeg + eaaddr) >> 12] + easeg + eaaddr);
if (writelookup2[(easeg + eaaddr) >> 12] != 0xFFFFFFFF)
eal_w = (uint32_t *)&ram[writelookup2[(easeg + eaaddr) >> 12] + ((easeg + eaaddr) & 0xFFF)];
eal_w = (uint32_t *)(writelookup2[(easeg + eaaddr) >> 12] + easeg + eaaddr);
}
}