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af3be8d93d
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59e7559d77
@ -40,16 +40,9 @@ let keyMap = [
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SDLK_s : JoypadButton.BUTTON_B
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SDLK_s : JoypadButton.BUTTON_B
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]
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]
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var timer = Date.now.addingTimeInterval(0.01666)
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var frame = Frame()
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var frame = Frame()
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let bus = Bus(rom: rom, joypad1: joypad1) { ppu in
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let bus = Bus(rom: rom, joypad1: joypad1) { ppu in
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Render.render(ppu, frame: frame)
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Render.render(ppu, frame: frame)
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// wait here until 16.66 ms have passed
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// i would use clock_nanosleep but that isn't available cross platform
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if timer.timeIntervalSinceNow > 0 {
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usleep(UInt32(timer.timeIntervalSinceNow * 1000000))
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}
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timer.addTimeInterval(0.01666)
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SDL_UpdateTexture(texture, nil, frame.data, 256 * 3)
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SDL_UpdateTexture(texture, nil, frame.data, 256 * 3)
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SDL_RenderCopy(canvas, texture, nil, nil)
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SDL_RenderCopy(canvas, texture, nil, nil)
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SDL_RenderPresent(canvas)
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SDL_RenderPresent(canvas)
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