159 lines
3.5 KiB
C#
159 lines
3.5 KiB
C#
using BizHawk.Emulation.Common;
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using System;
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namespace BizHawk.Emulation.Cores.Intellivision
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{
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public sealed partial class Intellivision : IEmulator
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{
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public IEmulatorServiceProvider ServiceProvider { get; private set; }
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[FeatureNotImplemented]
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public ISoundProvider SoundProvider
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{
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get { return NullSound.SilenceProvider; }
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}
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[FeatureNotImplemented]
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public ISyncSoundProvider SyncSoundProvider
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{
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get { return new FakeSyncSound(NullSound.SilenceProvider, 735); }
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}
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public bool StartAsyncSound()
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{
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return true;
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}
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public void EndAsyncSound()
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{
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}
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public ControllerDefinition ControllerDefinition
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{
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get { return IntellivisionController; }
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}
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public IController Controller { get; set; }
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public void FrameAdvance(bool render, bool rendersound)
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{
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if (Tracer.Enabled)
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_cpu.TraceCallback = (s) => Tracer.Put(s);
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else
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_cpu.TraceCallback = null;
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Frame++;
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// read the controller state here for now
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get_controller_state();
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//_stic.Mobs();
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_cpu.AddPendingCycles(3791);
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_stic.Sr1 = true;
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while (_cpu.GetPendingCycles() > 0)
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{
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int cycles = _cpu.Execute();
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Connect();
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}
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_cpu.AddPendingCycles(14934 - 3791 - _cpu.GetPendingCycles());
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_stic.Sr1 = false;
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_stic.Background();
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_stic.Mobs();
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while (_cpu.GetPendingCycles() > 0)
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{
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int cycles = _cpu.Execute();
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Connect();
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}
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}
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public int Frame { get; private set; }
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public string SystemId
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{
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get { return "INTV"; }
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}
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public bool DeterministicEmulation { get { return true; } }
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[FeatureNotImplemented]
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public string BoardName { get { return null; } }
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public void ResetCounters()
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{
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Frame = 0;
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}
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public CoreComm CoreComm { get; private set; }
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public void Dispose()
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{
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}
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public void get_controller_state()
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{
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ushort result = 0;
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// player 1
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for (int i = 0; i < 31; i++)
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{
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if (Controller.IsPressed(IntellivisionController.BoolButtons[i]))
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{
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result |= HandControllerButtons[i];
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}
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}
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_psg.Register[14] = (ushort)(0xFF - result);
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result = 0;
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// player 2
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for (int i = 31; i < 62; i++)
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{
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if (Controller.IsPressed(IntellivisionController.BoolButtons[i]))
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{
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result |= HandControllerButtons[i-31];
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}
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}
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_psg.Register[15] = (ushort)(0xFF - result);
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}
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static byte[] HandControllerButtons = new byte[] {
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0x60, //OUTPUT_ACTION_BUTTON_BOTTOM_LEFT
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0xC0, //OUTPUT_ACTION_BUTTON_BOTTOM_RIGHT
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0xA0, //OUTPUT_ACTION_BUTTON_TOP
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0x48, //OUTPUT_KEYPAD_ZERO
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0x81, //OUTPUT_KEYPAD_ONE
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0x41, //OUTPUT_KEYPAD_TWO
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0x21, //OUTPUT_KEYPAD_THREE
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0x82, //OUTPUT_KEYPAD_FOUR
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0x42, //OUTPUT_KEYPAD_FIVE
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0x22, //OUTPUT_KEYPAD_SIX
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0x84, //OUTPUT_KEYPAD_SEVEN
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0x44, //OUTPUT_KEYPAD_EIGHT
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0x24, //OUTPUT_KEYPAD_NINE
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0x28, //OUTPUT_KEYPAD_ENTER
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0x88, //OUTPUT_KEYPAD_CLEAR
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0x04, //OUTPUT_DISC_NORTH
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0x14, //OUTPUT_DISC_NORTH_NORTH_EAST
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0x16, //OUTPUT_DISC_NORTH_EAST
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0x06, //OUTPUT_DISC_EAST_NORTH_EAST
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0x02, //OUTPUT_DISC_EAST
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0x12, //OUTPUT_DISC_EAST_SOUTH_EAST
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0x13, //OUTPUT_DISC_SOUTH_EAST
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0x03, //OUTPUT_DISC_SOUTH_SOUTH_EAST
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0x01, //OUTPUT_DISC_SOUTH
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0x11, //OUTPUT_DISC_SOUTH_SOUTH_WEST
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0x19, //OUTPUT_DISC_SOUTH_WEST
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0x09, //OUTPUT_DISC_WEST_SOUTH_WEST
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0x08, //OUTPUT_DISC_WEST
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0x18, //OUTPUT_DISC_WEST_NORTH_WEST
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0x1C, //OUTPUT_DISC_NORTH_WEST
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0x0C //OUTPUT_DISC_NORTH_NORTH_WEST
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};
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}
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}
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