public static bool F_PIXA()
{
byte col = Memory.Read((ushort)(CPU.ProgCtr + 1));
byte rx = Memory.Read((ushort)(CPU.ProgCtr + 2));
byte ry = Memory.Read((ushort)(CPU.ProgCtr + 3));
if (col > 0xF)
{
col = 0xF;
}
TextGraphics.SetPixel(CPU.Registers[rx], CPU.Registers[ry], (Color)col);
CPU.StepProgramCounter(I_PIXA.Arguments);
return(true);
}
public static bool F_PIX()
{
byte col = Memory.Read((ushort)(CPU.ProgCtr + 1));
byte xx = Memory.Read((ushort)(CPU.ProgCtr + 2));
byte yy = Memory.Read((ushort)(CPU.ProgCtr + 3));
if (col > 0xF)
{
col = 0xF;
}
TextGraphics.SetPixel(xx, yy, (Color)col);
CPU.StepProgramCounter(I_PIX.Arguments);
return(true);
}
public static bool F_PIXAR()
{
byte r = Memory.Read((ushort)(CPU.ProgCtr + 1));
byte rx = Memory.Read((ushort)(CPU.ProgCtr + 2));
byte ry = Memory.Read((ushort)(CPU.ProgCtr + 3));
if (CPU.Registers[r] <= 0xF)
{
TextGraphics.SetPixel(CPU.Registers[rx], CPU.Registers[ry], (Color)CPU.Registers[r]);
}
else
{
TextGraphics.SetPixel(CPU.Registers[rx], CPU.Registers[ry], Color.White);
}
CPU.StepProgramCounter(I_PIXAR.Arguments);
return(true);
}
