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(PSX) CPU opts

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This commit is contained in:
twinaphex 2012-11-12 01:11:38 +01:00
parent e7fe627152
commit 522fa3de80
1 changed files with 0 additions and 48 deletions
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48
mednafen/psx/cpu.cpp
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@ -277,42 +277,15 @@ pscpu_timestamp_t PS_CPU::RunReal(pscpu_timestamp_t timestamp_in)
// Zero must be zero...until the Master Plan is enacted.
GPR[0] = 0;
#if 0
if(DebugMode && CPUHook)
{
ACTIVE_TO_BACKING;
CPUHook(PC);
BACKING_TO_ACTIVE;
}
#endif
if(!ILHMode)
{
if(PC == 0xB0)
{
if(GPR[9] == 0x3D)
{
//if(GPR[4] == 'L')
// DBG_Break();
fputc(GPR[4], stderr);
//if(GPR[4] == '\n')
//{
// fputc('%', stderr);
// fputc(' ', stderr);
//}
}
}
}
/*
if(PC == 0xB0)
{
if(GPR[9] != 0xB)
PSX_WARNING("[BIOS] 0xB0 t1=0x%02x", GPR[9]);
}
*/
instr = LoadU32_LE((uint32 *)&FastMap[PC >> FAST_MAP_SHIFT][PC]);
//printf("PC=%08x, SP=%08x - op=0x%02x - funct=0x%02x - instr=0x%08x\n", PC, GPR[29], instr >> 26, instr & 0x3F, instr);
@ -335,22 +308,6 @@ pscpu_timestamp_t PS_CPU::RunReal(pscpu_timestamp_t timestamp_in)
#define DO_BRANCH(offset, mask) \
{ \
if(ILHMode) \
{ \
uint32 old_PC = PC; \
PC = (PC & new_PC_mask) + new_PC; \
if(old_PC == ((PC & (mask)) + (offset))) \
{ \
if(*(uint32 *)&FastMap[PC >> FAST_MAP_SHIFT][PC] == 0) \
{ \
if(next_event_ts > timestamp) /* Necessary since next_event_ts might be set to something like "0" to force a call to the event handler. */ \
{ \
timestamp = next_event_ts; \
} \
} \
} \
} \
else \
PC = (PC & new_PC_mask) + new_PC; \
new_PC = (offset); \
new_PC_mask = (mask) & ~3; \
@ -1662,12 +1619,7 @@ pscpu_timestamp_t PS_CPU::Run(pscpu_timestamp_t timestamp_in, bool ILHMode)
if(CPUHook || ADDBT)
return(RunReal<true, false>(timestamp_in));
else
{
if(ILHMode)
return(RunReal<false, true>(timestamp_in));
else
return(RunReal<false, false>(timestamp_in));
}
}
void PS_CPU::SetCPUHook(void (*cpuh)(uint32 pc), void (*addbt)(uint32 from, uint32 to, bool exception))