public Chip8Emu(IFontLoader fontLoader, IAudioDevice audioDevice, IPPU ppu, IInputDevice inputDevice, byte[] rom)
{
_audioDevice = audioDevice;
_ppu = ppu;
_inputDevice = inputDevice;
Array.Copy(rom, 0, _memory, ROM_INDEX, rom.Length);
var font = fontLoader.GetFont();
Array.Copy(font, 0, _memory, FONT_INDEX, font.Length);
_opCodes = new Dictionary <byte, Action <OpCodeData> >
{
{ 0x0, Misc0 },
{ 0x1, JumpToNNN },
{ 0x2, CallSubroutine },
{ 0x3, SkipXEqualsNN },
{ 0x4, SkipXNotEqualsNN },
{ 0x5, SkipXEqualsY },
{ 0x6, SetXToNN },
{ 0x7, AddXToNN },
{ 0x8, Arithmetic },
{ 0x9, SkipXNotEqualsY },
{ 0xA, SetIToNNN },
{ 0xB, JumpToNNNPlusV0 },
{ 0xC, SetRandomX },
{ 0xD, DrawSprite },
{ 0xE, KeyPressedOps },
{ 0xF, MiscF },
};
_misc0OpCodes = new Dictionary <byte, Action <OpCodeData> >
{
{ 0xE0, ClearScreen },
{ 0xEE, ReturnSubroutine },
};
_miscFOpCodes = new Dictionary <byte, Action <OpCodeData> >
{
{ 0x07, SetXToTimer },
{ 0x0A, AwaitAndStoreKeyPress },
{ 0x15, SetDelayTimer },
{ 0x18, SetSoundTimer },
{ 0x1E, AddXToI },
{ 0x29, SetIToFont },
{ 0x33, SetIToBCD },
{ 0x55, SetX },
{ 0x65, LoadX },
};
var timer = new Timer(1000 / DISPLAY_HZ);
timer.Elapsed += On60HzTimerTick;
timer.Start();
}
public SNESSystem(ICPU cpu, IRenderer renderer, IROM rom, IPPU ppu, IAPU apu, IAudioHandler audioHandler)
{
CPU = cpu;
Renderer = renderer;
AudioHandler = audioHandler;
ROM = rom;
rom?.SetSystem(this);
PPU = ppu;
PPU?.SetSystem(this);
APU = apu;
CPU?.SetSystem(this);
}