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subtract cycles after checking IRQ and Halt

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also switch back to adding to ARM::Cycles instead of subtracting from them
This commit is contained in:
RSDuck
2020-07-27 23:14:23 +02:00
parent 026d0dcab8
commit 5903b11bda
6 changed files with 59 additions and 62 deletions
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45
src/ARM.cpp
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@ -274,15 +274,15 @@ void ARMv5::JumpTo(u32 addr, bool restorecpsr)
if (addr & 0x2)
{
NextInstr[0] = CodeRead32(addr-2, true) >> 16;
Cycles -= CodeCycles;
Cycles += CodeCycles;
NextInstr[1] = CodeRead32(addr+2, false);
Cycles -= CodeCycles;
Cycles += CodeCycles;
}
else
{
NextInstr[0] = CodeRead32(addr, true);
NextInstr[1] = NextInstr[0] >> 16;
Cycles -= CodeCycles;
Cycles += CodeCycles;
}
CPSR |= 0x20;
@ -295,9 +295,9 @@ void ARMv5::JumpTo(u32 addr, bool restorecpsr)
if (newregion != oldregion) SetupCodeMem(addr);
NextInstr[0] = CodeRead32(addr, true);
Cycles -= CodeCycles;
Cycles += CodeCycles;
NextInstr[1] = CodeRead32(addr+4, false);
Cycles -= CodeCycles;
Cycles += CodeCycles;
CPSR &= ~0x20;
}
@ -337,7 +337,7 @@ void ARMv4::JumpTo(u32 addr, bool restorecpsr)
NextInstr[0] = CodeRead16(addr);
NextInstr[1] = CodeRead16(addr+2);
Cycles -= NDS::ARM7MemTimings[CodeCycles][0] + NDS::ARM7MemTimings[CodeCycles][1];
Cycles += NDS::ARM7MemTimings[CodeCycles][0] + NDS::ARM7MemTimings[CodeCycles][1];
CPSR |= 0x20;
}
@ -350,7 +350,7 @@ void ARMv4::JumpTo(u32 addr, bool restorecpsr)
NextInstr[0] = CodeRead32(addr);
NextInstr[1] = CodeRead32(addr+4);
Cycles -= NDS::ARM7MemTimings[CodeCycles][2] + NDS::ARM7MemTimings[CodeCycles][3];
Cycles += NDS::ARM7MemTimings[CodeCycles][2] + NDS::ARM7MemTimings[CodeCycles][3];
CPSR &= ~0x20;
}
@ -609,7 +609,7 @@ void ARMv5::Execute()
}*/
if (IRQ) TriggerIRQ();
NDS::ARM9Timestamp -= Cycles;
NDS::ARM9Timestamp += Cycles;
Cycles = 0;
}
@ -643,9 +643,6 @@ void ARMv5::ExecuteJIT()
{
u32 instrAddr = R[15] - ((CPSR&0x20)?2:4);
// hack so Cycles <= 0 becomes Cycles < 0
Cycles = NDS::ARM9Target - NDS::ARM9Timestamp - 1;
if ((instrAddr < FastBlockLookupStart || instrAddr >= (FastBlockLookupStart + FastBlockLookupSize))
&& !ARMJIT::SetupExecutableRegion(0, instrAddr, FastBlockLookup, FastBlockLookupStart, FastBlockLookupSize))
{
@ -661,13 +658,8 @@ void ARMv5::ExecuteJIT()
else
ARMJIT::CompileBlock(this);
NDS::ARM9Timestamp = NDS::ARM9Target - Cycles - 1;
if (StopExecution)
{
if (IRQ)
TriggerIRQ();
if (Halted || IdleLoop)
{
bool idleLoop = IdleLoop;
@ -678,7 +670,13 @@ void ARMv5::ExecuteJIT()
}
break;
}
if (IRQ)
TriggerIRQ();
}
NDS::ARM9Timestamp += Cycles;
Cycles = 0;
}
if (Halted == 2)
@ -755,7 +753,7 @@ void ARMv4::Execute()
}*/
if (IRQ) TriggerIRQ();
NDS::ARM7Timestamp -= Cycles;
NDS::ARM7Timestamp += Cycles;
Cycles = 0;
}
@ -795,8 +793,6 @@ void ARMv4::ExecuteJIT()
{
u32 instrAddr = R[15] - ((CPSR&0x20)?2:4);
Cycles = NDS::ARM7Target - NDS::ARM7Timestamp - 1;
if ((instrAddr < FastBlockLookupStart || instrAddr >= (FastBlockLookupStart + FastBlockLookupSize))
&& !ARMJIT::SetupExecutableRegion(1, instrAddr, FastBlockLookup, FastBlockLookupStart, FastBlockLookupSize))
{
@ -812,14 +808,9 @@ void ARMv4::ExecuteJIT()
else
ARMJIT::CompileBlock(this);
NDS::ARM7Timestamp = NDS::ARM7Target - Cycles - 1;
// TODO optimize this shit!!!
if (StopExecution)
{
if (IRQ)
TriggerIRQ();
if (Halted || IdleLoop)
{
bool idleLoop = IdleLoop;
@ -830,7 +821,13 @@ void ARMv4::ExecuteJIT()
}
break;
}
if (IRQ)
TriggerIRQ();
}
NDS::ARM7Timestamp += Cycles;
Cycles = 0;
}
if (Halted == 2)