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almost done killing ARM9/ARM7 desync, f
This commit is contained in:
StapleButter
2018-12-11 03:08:46 +01:00
parent aba4610d45
commit 78d384a754
5 changed files with 213 additions and 141 deletions
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53
src/ARM.cpp
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@ -164,11 +164,6 @@ void ARMv5::JumpTo(u32 addr, bool restorecpsr)
// R0=DMA# R1=src R2=size
if (addr==0x1FFD9E0) printf("[%03d] FMVdec\n", GPU::VCount);
if (R[15]==0x1FFDF40) printf("[%03d] FMVdec FINISHED\n", GPU::VCount);
if (addr==0x202585C)
{
//u32 dorp; NDS::ARM9Read32(0x20630DC, &dorp);
//printf("[%03d] IRQ handler thing. wait=%08X\n", GPU::VCount, dorp);
}
u32 oldregion = R[15] >> 24;
u32 newregion = addr >> 24;
@ -443,7 +438,7 @@ void ARMv5::DataAbort()
R[14] = R[15] + (oldcpsr & 0x20 ? 6 : 4);
JumpTo(ExceptionBase + 0x10);
}
extern u64 arm9total, arm7total, arm9timer, arm7timer;
s32 ARMv5::Execute()
{
if (Halted)
@ -456,12 +451,13 @@ s32 ARMv5::Execute()
{
Halted = 0;
if (NDS::IME[0] & 0x1)
TriggerIRQ();
TriggerIRQ(); //!! potential drift
}
else
{
Cycles = CyclesToRun;
//NDS::RunTimingCriticalDevices(0, CyclesToRun >> ClockShift);
arm9total+=(CyclesToRun>>1);//arm9timer+=(CyclesToRun>>1);
//NDS::RunTightTimers(0, CyclesToRun >> ClockShift);
return Cycles;
}
}
@ -506,15 +502,20 @@ s32 ARMv5::Execute()
AddCycles_C();
}
//s32 diff = Cycles - lastcycles;
//NDS::RunTimingCriticalDevices(0, diff >> ClockShift);
//s32 diff = Cycles - lastcycles;arm9timer+=(diff>>1);
//NDS::RunTightTimers(0, diff >> ClockShift);
//lastcycles = Cycles - (diff & ClockDiffMask);
// TODO optimize this shit!!!
if (Halted)
{
if (Halted == 1)
if (Halted == 1 && Cycles < CyclesToRun)
{
s32 diff = CyclesToRun - Cycles;
Cycles = CyclesToRun;
//NDS::RunTightTimers(0, diff >> ClockShift);
//arm9timer += (diff>>1);
}
break;
}
if (NDS::IF[0] & NDS::IE[0])
@ -527,6 +528,13 @@ s32 ARMv5::Execute()
if (Halted == 2)
Halted = 0;
if (Cycles > lastcycles)
{
//s32 diff = Cycles - lastcycles;arm9timer+=(diff>>1);
//NDS::RunTightTimers(0, diff >> ClockShift);
}
arm9total+=(Cycles>>1);
return Cycles;
}
@ -547,7 +555,8 @@ s32 ARMv4::Execute()
else
{
Cycles = CyclesToRun;
NDS::RunTimingCriticalDevices(1, CyclesToRun);
//NDS::RunTightTimers(1, CyclesToRun);
arm7total+=CyclesToRun; //arm7timer+=CyclesToRun;
return Cycles;
}
}
@ -587,15 +596,20 @@ s32 ARMv4::Execute()
AddCycles_C();
}
s32 diff = Cycles - lastcycles;
NDS::RunTimingCriticalDevices(1, diff);
lastcycles = Cycles;
//s32 diff = Cycles - lastcycles;arm7timer+=diff;
//NDS::RunTightTimers(1, diff);
//lastcycles = Cycles;
// TODO optimize this shit!!!
if (Halted)
{
if (Halted == 1)
if (Halted == 1 && Cycles < CyclesToRun)
{
s32 diff = CyclesToRun - Cycles;
Cycles = CyclesToRun;
//NDS::RunTightTimers(1, diff);
//arm7timer += diff;
}
break;
}
if (NDS::IF[1] & NDS::IE[1])
@ -608,5 +622,12 @@ s32 ARMv4::Execute()
if (Halted == 2)
Halted = 0;
if (Cycles > lastcycles)
{
//s32 diff = Cycles - lastcycles;arm7timer+=(diff);
//NDS::RunTightTimers(1, diff);
}
arm7total+=Cycles;
return Cycles;
}