public static void Main()
{
var ppu = new PPU(File.ReadAllBytes(memoryDumpPath));
Console.WriteLine(ppu.Registers.LCDControl + Environment.NewLine);
var tilesetPixels = ppu.RenderTileSet();
var bgMapPixels = ppu.RenderBackgroundMap();
var windowPixels = ppu.RenderWindow();
var spritePixels = ppu.RenderSprites();
var screenPixels = ppu.ForceRenderScreen();
WritePixelDataFiles(tilesetPixels, bgMapPixels, windowPixels, spritePixels, screenPixels);
}
public void Generate_Expected_Background_Map_Pixels_From_Known_VRAM_Dump_Using_Unsigned_Tile_Numbers()
{
var vram = Memory.FromFile(Path.Combine("PPU", "Input", "tetris_title_screen.vram.dump"));
var regs = new PPURegisters(lcdc: 0xD3, bgPalette: 0xE4);
var memBus = new MemoryBus(regs)
{
VideoMemory = vram
};
var ppu = new PPU(regs, memBus);
ppu.TileSet.UpdateFrom(vram);
var actualPixels = ppu.RenderBackgroundMap();
var expectedPixels = ImageHelper.LoadImageAsPaletteIndexedByteArray(Path.Combine("PPU", "Expected", "tetris_title_screen_expected_bgmap.png"));
AssertPixelsMatch(expectedPixels, actualPixels, width: 256);
}
public void Generate_Blank_Background_Map_Pixels_When_Background_Map_Drawing_Is_Disabled()
{
var vram = Memory.FromFile(Path.Combine("PPU", "Input", "pokemon_reds_room.vram.dump"));
var regs = new PPURegisters(lcdc: 0xE0); //LCDC bit 0 = 0 => background is disabled
var memBus = new MemoryBus(regs)
{
VideoMemory = vram
};
var ppu = new PPU(regs, memBus);
Assert.IsFalse(ppu.Registers.LCDControl.BackgroundDisplayEnabled);
var actualPixels = ppu.RenderBackgroundMap();
var expectedPixels = new byte[TileMap.WidthInPixels * TileMap.HeightInPixels];
AssertPixelsMatch(expectedPixels, actualPixels, width: 256);
}