static void HandleKeyEvent(SDL.SDL_Keycode keyCode, Chip8 core, bool pressed)
{
switch (keyCode)
{
case SDL.SDL_Keycode.SDLK_1:
core.SetKey(1, pressed);
break;
case SDL.SDL_Keycode.SDLK_2:
core.SetKey(2, pressed);
break;
case SDL.SDL_Keycode.SDLK_3:
core.SetKey(3, pressed);
break;
case SDL.SDL_Keycode.SDLK_4:
core.SetKey(12, pressed);
break;
case SDL.SDL_Keycode.SDLK_a:
core.SetKey(4, pressed);
break;
case SDL.SDL_Keycode.SDLK_z:
core.SetKey(5, pressed);
break;
case SDL.SDL_Keycode.SDLK_e:
core.SetKey(6, pressed);
break;
case SDL.SDL_Keycode.SDLK_r:
core.SetKey(13, pressed);
break;
case SDL.SDL_Keycode.SDLK_q:
core.SetKey(7, pressed);
break;
case SDL.SDL_Keycode.SDLK_s:
core.SetKey(8, pressed);
break;
case SDL.SDL_Keycode.SDLK_d:
core.SetKey(9, pressed);
break;
case SDL.SDL_Keycode.SDLK_f:
core.SetKey(14, pressed);
break;
case SDL.SDL_Keycode.SDLK_w:
core.SetKey(10, pressed);
break;
case SDL.SDL_Keycode.SDLK_x:
core.SetKey(0, pressed);
break;
case SDL.SDL_Keycode.SDLK_c:
core.SetKey(11, pressed);
break;
case SDL.SDL_Keycode.SDLK_v:
core.SetKey(15, pressed);
break;
}
}
static unsafe void Main(string[] args)
{
Chip8 core = new Chip8();
if (args.Length != 1)
{
Console.WriteLine("Usage: c8emu <ROM file name>");
return;
}
core.LoadROM(LoadFile(args[0]));
if (SDL.SDL_Init(SDL.SDL_INIT_VIDEO) != 0)
{
Console.WriteLine("Failed to initialize SDL.");
return;
}
emulatorWindow = SDL.SDL_CreateWindow("c8emu", SDL.SDL_WINDOWPOS_UNDEFINED, SDL.SDL_WINDOWPOS_UNDEFINED, 256, 128, SDL.SDL_WindowFlags.SDL_WINDOW_SHOWN);
if (emulatorWindow == null)
{
Console.WriteLine("Failed to create the window.");
SDL.SDL_Quit();
return;
}
windowSurface = (SDL.SDL_Surface *)SDL.SDL_GetWindowSurface(emulatorWindow);
screenSurface = (SDL.SDL_Surface *)SDL.SDL_CreateRGBSurface(SDL.SDL_SWSURFACE, 64, 32, 32, 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff);
if (screenSurface == null)
{
Console.WriteLine("Failed to create the screen surface.");
SDL.SDL_DestroyWindow(emulatorWindow);
SDL.SDL_Quit();
return;
}
core.DisplayUpdate += DisplayUpdate;
//Console.Clear();
while (true)
{
core.FrameAdvance();
SDL.SDL_Event e;
while (SDL.SDL_PollEvent(out e) != 0)
{
switch (e.type)
{
case SDL.SDL_EventType.SDL_WINDOWEVENT:
if (e.window.windowEvent == SDL.SDL_WindowEventID.SDL_WINDOWEVENT_CLOSE)
{
SDL.SDL_FreeSurface((IntPtr)screenSurface);
SDL.SDL_DestroyWindow(emulatorWindow);
SDL.SDL_Quit();
return;
}
break;
case SDL.SDL_EventType.SDL_KEYDOWN:
HandleKeyEvent(e.key.keysym.sym, core, true);
break;
case SDL.SDL_EventType.SDL_KEYUP:
HandleKeyEvent(e.key.keysym.sym, core, false);
break;
}
}
SDL.SDL_Delay(16);
}
}