public APU(NESCore nes, int sampleRate)
{
this.nes = nes;
this.sampleRate = sampleRate;
switch (nes.nesRegion)
{
default:
case SystemType.NTSC:
CPUClock = 1789773;
FPS = (CPUClock * 3.0) / 89341.5;
modeZeroDelay = 7459;//http://nesdev.parodius.com/bbs/viewtopic.php?p=64281#64281
modeZeroFrameLengths = new int[] { 7456, 7458, 7458, 7458 };
modeOneDelay = 1;
modeOneFrameLengths = new int[] { 7458, 7456, 7458, 7458, 7452 };
break;
case SystemType.PAL:
CPUClock = 1662607;
FPS = (CPUClock * 3.2) / 106392;
modeZeroDelay = 8315;
modeZeroFrameLengths = new int[] { 8314, 8312, 8314, 8314 };
modeOneDelay = 1;
modeOneFrameLengths = new int[] { 8314, 8314, 8312, 8314, 8312 };
break;
}
if (this.sampleRate == -1)
{
this.sampleRate = CPUClock;
}
rollingAveWindow = this.sampleRate / 10;
SetFPS(FPS);
output = new short[this.sampleRate]; //the buffers really don't need to be this large, but it should prevent overflows when the FPS is set exceptionally low.
for (int i = 0; i < 32; i++)
{
pulseTable[i] = ((95.52 / (8128.0 / i + 100.0)));
pulseTableShort[i] = (int)(pulseTable[i] * 0x7FFF); //Half the range for internal channels, half for external.
}
for (int i = 0; i < 204; i++)
{
tndTable[i] = ((163.67 / (24329.0 / i + 100.0)));
tndTableShort[i] = (int)(tndTable[i] * 0x7FFF);
}
volume.square1 = 1;
volume.square2 = 1;
volume.triangle = 1;
volume.noise = 1;
volume.dmc = 1;
volume.external = 1;
square1 = new Channels.Square(nes, true, true);
square2 = new Channels.Square(nes, true, false);
triangle = new Channels.Triangle(nes);
noise = new Channels.Noise(nes);
dmc = new Channels.DMC(nes, CPUClock);
external = new Channels.External();
}
public MMC5(NESCore nes)
{
this.nes = nes;
square1 = new Square(nes, false, false);
square2 = new Square(nes, false, false);
}
public MMC5(NESCore nes)
{
this.nes = nes;
square1 = new Square(nes, false, false);
square2 = new Square(nes, false, false);
}
public APU(NESCore nes, int sampleRate)
{
this.nes = nes;
this.sampleRate = sampleRate;
switch (nes.nesRegion)
{
default:
case SystemType.NTSC:
CPUClock = 1789773;
FPS = (CPUClock * 3.0) / 89341.5;
modeZeroDelay = 7459;//http://nesdev.parodius.com/bbs/viewtopic.php?p=64281#64281
modeZeroFrameLengths = new int[] { 7456, 7458, 7458, 7458};
modeOneDelay = 1;
modeOneFrameLengths = new int[] { 7458, 7456, 7458, 7458, 7452};
break;
case SystemType.PAL:
CPUClock = 1662607;
FPS = (CPUClock * 3.2) / 106392;
modeZeroDelay = 8315;
modeZeroFrameLengths = new int[] { 8314, 8312, 8314, 8314 };
modeOneDelay = 1;
modeOneFrameLengths = new int[] { 8314, 8314, 8312, 8314, 8312 };
break;
}
if (this.sampleRate == -1)
this.sampleRate = CPUClock;
rollingAveWindow = this.sampleRate / 10;
SetFPS(FPS);
output = new short[this.sampleRate]; //the buffers really don't need to be this large, but it should prevent overflows when the FPS is set exceptionally low.
for (int i = 0; i < 32; i++)
{
pulseTable[i] = ((95.52 / (8128.0 / i + 100.0)));
pulseTableShort[i] = (int)(pulseTable[i] * 0x7FFF); //Half the range for internal channels, half for external.
}
for (int i = 0; i < 204; i++)
{
tndTable[i] = ((163.67 / (24329.0 / i + 100.0)));
tndTableShort[i] = (int)(tndTable[i] * 0x7FFF);
}
volume.square1 = 1;
volume.square2 = 1;
volume.triangle = 1;
volume.noise = 1;
volume.dmc = 1;
volume.external = 1;
square1 = new Channels.Square(nes, true, true);
square2 = new Channels.Square(nes, true, false);
triangle = new Channels.Triangle(nes);
noise = new Channels.Noise(nes);
dmc = new Channels.DMC(nes, CPUClock);
external = new Channels.External();
}