public void WriteVCE(int address, byte data)
{
switch (address)
{
case 0:
//m_VCE_BW = (data & 0x80) != 0;
//m_VCE_Blur = (data & 0x04) != 0;
switch (data & 3)
{
case 0:
m_VCE_DotClock = DotClock.MHZ_5;
break;
case 1:
m_VCE_DotClock = DotClock.MHZ_7;
break;
default:
m_VCE_DotClock = DotClock.MHZ_10;
break;
}
break;
case 2:
m_VCE_Index = (m_VCE_Index & 0x100) | (data & 0xFF);
break;
case 3:
m_VCE_Index = (m_VCE_Index & 0xFF) | ((data & 0x01) << 8);
break;
case 4:
m_VCE[m_VCE_Index] = (ushort)((m_VCE[m_VCE_Index] & 0xFF00) | data);
break;
case 5:
m_VCE[m_VCE_Index] = (ushort)((m_VCE[m_VCE_Index] & 0xFF) | ((data << 8) & 0x100));
m_VCE_Index = (m_VCE_Index + 1) & 0x1FF;
break;
}
}
public Video()
{
m_Screen = Sdl.SDL_SetVideoMode(640, 512, 32, (Sdl.SDL_SWSURFACE | Sdl.SDL_DOUBLEBUF | Sdl.SDL_ANYFORMAT));
m_ScreenSurf = (Sdl.SDL_Surface)Marshal.PtrToStructure(m_Screen, typeof(Sdl.SDL_Surface));
Sdl.SDL_PixelFormat format = (Sdl.SDL_PixelFormat)Marshal.PtrToStructure(m_ScreenSurf.format, typeof(Sdl.SDL_PixelFormat));
for (int i = 0; i < 512; i++)
{
int b = ((i) & 0x7) * 0x49 >> 1;
int r = ((i >> 3) & 0x7) * 0x49 >> 1;
int g = ((i >> 6) & 0x7) * 0x49 >> 1;
PALETTE[i] =
(r << format.Rshift & format.Rmask) |
(g << format.Gshift & format.Gmask) |
(b << format.Bshift & format.Bmask);
}
m_ScreenSurf.pitch /= 4;
Sdl.SDL_WM_SetCaption("TurboSharp", null);
m_VRAM = new ushort[0x10000];
m_SAT = new SpriteAttribute[0x40];
m_VCE = new ushort[0x200];
m_VCE_Index = 0;
for (int i = 0; i < 0x40; i++)
{
m_SAT[i] = new SpriteAttribute();
}
m_RenderLine = 0;
m_DoSAT_DMA = false;
m_WaitingIRQ = false;
m_VCE_DotClock = DotClock.MHZ_5;
m_VDC_Increment = 1;
m_VDC_BSY = false; // We don't halt the CPU
}
