u8 psxMemRead8(u32 mem) {
char *p;
u32 t;
psxRegs.cycle += 0;
t = mem >> 16;
if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
if ((mem & 0xffff) < 0x400)
return psxHu8(mem);
else
return psxHwRead8(mem);
} else {
p = (char *)(psxMemRLUT[t]);
if (p != NULL) {
if (Config.Debug)
DebugCheckBP((mem & 0xffffff) | 0x80000000, BR1);
return *(u8 *)(p + (mem & 0xffff));
} else {
#ifdef PSXMEM_LOG
PSXMEM_LOG("err lb %8.8lx\n", mem);
#endif
return 0;
}
}
}
u8 psxMemRead8(u32 mem) {
u32 t;
t = mem >> 16;
if (t == 0x1f80) {
if (mem < 0x1f801000)
return psxHu8(mem);
else
return psxHwRead8(mem);
} else {
char *p = (char *)(psxMemRLUT[t]);
if (p != NULL) {
return *(u8 *)(p + (mem & 0xffff));
} else {
#ifdef PSXMEM_LOG
PSXMEM_LOG("err lb %8.8lx\n", mem);
#endif
return 0;
}
}
}
mem8_t __fastcall _ext_memRead8 (u32 mem)
{
switch (p)
{
case 1: // hwm
return hwRead8(mem);
case 2: // psh
return psxHwRead8(mem);
case 3: // psh4
return psxHw4Read8(mem);
case 6: // gsm
return gsRead8(mem);
case 7: // dev9
{
mem8_t retval = DEV9read8(mem & ~0xa4000000);
SysPrintf("DEV9 read8 %8.8lx: %2.2lx\n", mem & ~0xa4000000, retval);
return retval;
}
}
MEM_LOG("Unknown Memory Read8 from address %8.8x\n", mem);
cpuTlbMissR(mem, cpuRegs.branch);
return 0;
}
