public void FrameAdvance(bool render, bool renderSound)
{
Frame++;
isLag = true;
PSG.BeginFrame(Cpu.TotalExecutedCycles);
VDP.ExecuteFrame();
PSG.EndFrame(Cpu.TotalExecutedCycles);
if (isLag)
{
LagCount++;
}
}
public void FrameAdvance(bool render, bool renderSound)
{
Cpu.Debug = Tracer.Enabled;
Frame++;
_isLag = true;
PSG.BeginFrame(Cpu.TotalExecutedCycles);
if (Cpu.Debug && Cpu.Logger == null) // TODO, lets not do this on each frame. But lets refactor CoreComm/CoreComm first
{
Cpu.Logger = (s) => Tracer.Put(s);
}
VDP.ExecuteFrame();
PSG.EndFrame(Cpu.TotalExecutedCycles);
if (_isLag)
{
_lagCount++;
}
}
public void FrameAdvance(bool render, bool rendersound)
{
lagged = true;
Frame++;
PSG.BeginFrame(SoundCPU.TotalExecutedCycles);
YM2612.BeginFrame(SoundCPU.TotalExecutedCycles);
// Do start-of-frame events
VDP.HIntLineCounter = VDP.Registers[10];
//VDP.VdpStatusWord &=
unchecked { VDP.VdpStatusWord &= (ushort)~GenVDP.StatusVerticalBlanking; }
for (VDP.ScanLine = 0; VDP.ScanLine < 262; VDP.ScanLine++)
{
//Log.Error("VDP","FRAME {0}, SCANLINE {1}", Frame, VDP.ScanLine);
if (VDP.ScanLine < VDP.FrameHeight)
{
VDP.RenderLine();
}
Exec68k(365);
RunZ80(171);
// H-Int now?
VDP.HIntLineCounter--;
if (VDP.HIntLineCounter < 0 && VDP.ScanLine < 224) // FIXME
{
VDP.HIntLineCounter = VDP.Registers[10];
VDP.VdpStatusWord |= GenVDP.StatusHorizBlanking;
if (VDP.HInterruptsEnabled)
{
Set68kIrq(4);
//Console.WriteLine("Fire hint!");
}
}
Exec68k(488 - 365);
RunZ80(228 - 171);
if (VDP.ScanLine == 224)
{
VDP.VdpStatusWord |= GenVDP.StatusVerticalInterruptPending;
VDP.VdpStatusWord |= GenVDP.StatusVerticalBlanking;
Exec68k(16); // this is stupidly wrong.
// End-frame stuff
if (VDP.VInterruptEnabled)
{
Set68kIrq(6);
}
SoundCPU.Interrupt = true;
//The INT output is asserted every frame for exactly one scanline, and it can't be disabled. A very short Z80 interrupt routine would be triggered multiple times if it finishes within 228 Z80 clock cycles. I think (but cannot recall the specifics) that some games have delay loops in the interrupt handler for this very reason.
}
}
PSG.EndFrame(SoundCPU.TotalExecutedCycles);
YM2612.EndFrame(SoundCPU.TotalExecutedCycles);
if (lagged)
{
_lagcount++;
islag = true;
}
else
{
islag = false;
}
}