protected void OnPixelSet(ChipInstruction inst)
{
m_VRegs[0xF] = 0;
byte x = m_VRegs[inst.X];
byte y = m_VRegs[inst.Y];
byte read = 0;
if (inst.N > 0)
{
// Loop through the sprite bytes by N
for (byte i = 0; i < inst.N; i++)
{
// Get the next byte of the sprite data
read = Memory.ReadByte((int)(m_IReg + i));
// Sprite is always 8 in width, loop through each bit
for (byte j = 0; j < 8; j++)
{
// If we hit an on bit then Set a pixel at X, Y
if ((read & (0x80 >> j)) != 0)
{
// If we colliude, set VF
if (VideoInterface.SetPixel((x + j), (y + i)))
{
m_VRegs[0xF] = 1;
}
}
}
}
}
else
{
for (int k = 0; k < 0x10; k++)
{
ushort data = Tools.Create16(Memory.ReadByte((int)(m_IReg + (k << 1))),
Memory.ReadByte((int)(m_IReg + (k << 1) + 1)));
for (int m = 0; m < 0x10; m++)
{
if ((data & (((int)0x8000) >> m)) != 0)
{
if (VideoInterface.SetPixel((x + m), (y + k)))
{
m_VRegs[0xF] = 1;
}
}
}
}
}
if (m_VRegs[0xF] == 1 && m_AntiFlickerHack)
{
return;
}
VideoInterface.RenderWait();
}
