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add support for writing to VCount. incl. fucked-up display and altering framerate accordingly.

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This commit is contained in:
StapleButter
2017-05-10 02:21:02 +02:00
parent 63e15d2480
commit f54f54fb7e
6 changed files with 72 additions and 36 deletions
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24
src/NDS.cpp
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@ -380,16 +380,16 @@ void RunSystem(s32 cycles)
}
}
void RunFrame()
u32 RunFrame()
{
s32 framecycles = 560190;
if (!Running) return; // dorp
if (!Running) return 263; // dorp
GPU::StartFrame();
while (Running && framecycles>0)
while (Running && GPU::TotalScanlines==0)
{
s32 ndscyclestorun;
s32 ndscycles = 0;
@ -430,21 +430,9 @@ void RunFrame()
RunSystem(ndscyclestorun);
//GPU3D::Run(ndscyclestorun);
/*while (ndscycles < ndscyclestorun)
{
ARM7->CyclesToRun = ndscyclestorun - ndscycles - ARM7Offset;
ARM7->Execute();
ARM7Offset = 0;
RunEvents(ARM7->Cycles);
ndscycles += ARM7->Cycles;
}
ARM7Offset = ndscycles - ndscyclestorun;*/
framecycles -= ndscyclestorun;
}
return GPU::TotalScanlines;
}
void Reschedule()
@ -1657,6 +1645,7 @@ void ARM9IOWrite16(u32 addr, u16 val)
switch (addr)
{
case 0x04000004: GPU::SetDispStat(0, val); return;
case 0x04000006: GPU::SetVCount(val); return;
case 0x04000060: GPU3D::Write16(addr, val); return;
@ -2198,6 +2187,7 @@ void ARM7IOWrite16(u32 addr, u16 val)
switch (addr)
{
case 0x04000004: GPU::SetDispStat(1, val); return;
case 0x04000006: GPU::SetVCount(val); return;
case 0x040000B8: DMAs[4]->WriteCnt((DMAs[4]->Cnt & 0xFFFF0000) | val); return;
case 0x040000BA: DMAs[4]->WriteCnt((DMAs[4]->Cnt & 0x0000FFFF) | (val << 16)); return;