152 lines
3.4 KiB
C#
152 lines
3.4 KiB
C#
using System;
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using BizHawk.Emulation.Common;
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namespace BizHawk.Emulation.Cores.Consoles.Vectrex
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{
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public partial class VectrexHawk : IEmulator, IVideoProvider
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{
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public IEmulatorServiceProvider ServiceProvider { get; }
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public ControllerDefinition ControllerDefinition => _controllerDeck.Definition;
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byte joy1_LR, joy2_LR, joy1_UD, joy2_UD;
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public bool FrameAdvance(IController controller, bool render, bool rendersound)
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{
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if (_tracer.Enabled)
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{
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cpu.TraceCallback = s => _tracer.Put(s);
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}
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else
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{
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cpu.TraceCallback = null;
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}
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_frame++;
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if (controller.IsPressed("Power"))
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{
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HardReset();
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}
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if (controller.IsPressed("Reset"))
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{
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SoftReset();
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}
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_islag = true;
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// button inputs go to port 14 in the audio registers
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audio.Register[14] = (byte)(_controllerDeck.ReadPort1(controller) & 0xF);
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audio.Register[14] |= (byte)(_controllerDeck.ReadPort2(controller) << 4);
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if (ControllerDefinition.Name == "Vectrex Analog Controller")
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{
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// joystick position is based on pot reading
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joy1_LR = (byte)(Math.Floor(controller.GetFloat("P1 Stick X")) + 128);
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joy1_UD = (byte)(Math.Floor(controller.GetFloat("P1 Stick Y")) + 128);
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joy2_LR = (byte)(Math.Floor(controller.GetFloat("P2 Stick X")) + 128);
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joy2_UD = (byte)(Math.Floor(controller.GetFloat("P2 Stick Y")) + 128);
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}
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else
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{
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// most games just use digital reading, so have a digital option for simplicity
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// On vectrex there is no such thing as pressing left + right or up + down
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// so convention will be up and right dominate
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joy1_UD = joy1_LR = joy2_UD = joy2_LR = 128;
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if (controller.IsPressed("P1 Down")) { joy1_UD = 0xFF; }
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if (controller.IsPressed("P1 Up")) { joy1_UD = 0; }
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if (controller.IsPressed("P1 Left")) { joy1_LR = 0xFF; }
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if (controller.IsPressed("P1 Right")) { joy1_LR = 0; }
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if (controller.IsPressed("P2 Down")) { joy2_UD = 0xFF; }
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if (controller.IsPressed("P2 Up")) { joy2_UD = 0; }
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if (controller.IsPressed("P2 Left")) { joy2_LR = 0xFF; }
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if (controller.IsPressed("P2 Right")) { joy2_LR = 0; }
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}
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frame_end = false;
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do_frame();
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if (_islag)
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{
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_lagcount++;
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}
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return true;
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}
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public void do_frame()
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{
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for (int i = 0; i < 30000; i++)
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//while (!frame_end)
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{
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internal_state_tick();
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audio.tick();
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ppu.tick();
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cpu.ExecuteOne();
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if (frame_end)
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{
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get_video_frame();
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frame_end = false;
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}
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}
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}
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public int Frame => _frame;
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public string SystemId => "VEC";
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public bool DeterministicEmulation { get; set; }
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public void ResetCounters()
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{
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_frame = 0;
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_lagcount = 0;
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_islag = false;
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}
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public CoreComm CoreComm { get; }
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public void Dispose()
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{
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audio.DisposeSound();
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}
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#region Video provider
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public int _frameHz = 50;
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public int[] _vidbuffer;
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public int[] _framebuffer;
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public int[] GetVideoBuffer()
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{
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return _framebuffer;
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}
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public void get_video_frame()
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{
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for (int i = 0; i < _vidbuffer.Length; i++)
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{
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_framebuffer[i] = _vidbuffer[i];
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_vidbuffer[i] = 0;
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}
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}
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public int VirtualWidth => 256 + 4;
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public int VirtualHeight => 384 + 4;
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public int BufferWidth => 256 + 4;
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public int BufferHeight => 384 + 4;
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public int BackgroundColor => unchecked((int)0xFF000000);
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public int VsyncNumerator => _frameHz;
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public int VsyncDenominator => 1;
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#endregion
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}
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}
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