private void StartTick_(StartTickEvent _)
{
this.pboCacheDirty_ = true;
var doLog = false;
var cpu = this.cpu_;
var memoryMap = this.mmu_.MemoryMap;
var ioAddresses = memoryMap.IoAddresses;
var stat = ioAddresses.Stat;
var initialPpuMode = stat.Mode;
int cyclesThisIteration = 0;
if (!doLog)
{
cyclesThisIteration = this.cpu_.ExecuteCycles(70224); // 70221
}
else
{
var cyclesPerTick = 1000;
var registers = this.mmu_.Registers;
var pc = registers.Pc;
ushort initialPc = 0;
var lcdc = ioAddresses.Lcdc;
var ly = ioAddresses.Ly;
var instruction = 0;
var output = new StringBuilder();
try {
for (;;)
{
var ppuMode = cpu.PpuMode;
initialPc = pc.Value;
output.AppendFormat("0x{0:x4}: ", initialPc);
output.AppendFormat("{0:x2} |", memoryMap[initialPc]);
output.AppendFormat(" af={0:x4}", registers.Af.Value);
output.AppendFormat(" bc={0:x4}", registers.Bc.Value);
output.AppendFormat(" de={0:x4}", registers.De.Value);
output.AppendFormat(" hl={0:x4}", registers.Hl.Value);
output.AppendFormat(" sp={0:x4}", registers.Sp.Value);
output.AppendFormat(" pc={0:x4} |", registers.Pc.Value);
output.AppendFormat(" scl={0}", cpu.UpwardScanlineCycleCounter);
output.AppendFormat(" st={0}", cpu.PpuModeCycleCount);
output.AppendFormat(" cnt={0} |", cpu.ScanlineCycleCounter / 2);
output.AppendFormat(" lcdc={0:x2}", lcdc.Value);
output.AppendFormat(" ly={0:x2}", ly.Value);
output.AppendFormat(" ppu={0:x1} |", ppuMode);
output.AppendFormat(" div={0:x2}", ioAddresses.Div.Value);
output.AppendFormat(" tima={0:x2}", ioAddresses.Tima.Value);
output.AppendFormat(" tma={0:x2}", ioAddresses.Tma.Value);
output.AppendFormat(" tac={0:x2}", ioAddresses.Tac.Value);
output.Append('\n');
var cycles = cpu.ExecuteInstructions(1);
cyclesThisIteration += cycles;
/*if (initialPc == 0x01c6) {
* Assert.Fail("How did we get here???");
* }*/
cyclesPerTick -= cycles;
if (cyclesPerTick <= 0)
{
break;
}
}
} finally {
this.writer_.Write(output.ToString());
}
}
this.apu_.Tick(cyclesThisIteration);
ioAddresses.Joypad.Update(cpu);
}
private void StartTick_(StartTickEvent _)
{
this.circularProgress_.Radians += .02f;
}
private void StartTick_(StartTickEvent _)
{
//this.streamSource_.PollForProcessedBuffers();
}
