124 lines
3.3 KiB
C#
124 lines
3.3 KiB
C#
using System;
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using System.IO;
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using System.Collections.Generic;
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using BizHawk.Emulation.Common;
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using BizHawk.Emulation.Cores.Components.CP1610;
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namespace BizHawk.Emulation.Cores.Intellivision
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{
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[CoreAttributes(
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"IntelliHawk",
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"BrandonE",
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isPorted: false,
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isReleased: false
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)]
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[ServiceNotApplicable(typeof(ISaveRam), typeof(IDriveLight))]
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public sealed partial class Intellivision : IEmulator, IStatable, ISettable<Intellivision.IntvSettings, Intellivision.IntvSyncSettings>
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{
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[CoreConstructor("INTV")]
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public Intellivision(CoreComm comm, GameInfo game, byte[] rom, object Settings, object SyncSettings)
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{
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ServiceProvider = new BasicServiceProvider(this);
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CoreComm = comm;
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_rom = rom;
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_gameInfo = game;
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this.Settings = (IntvSettings)Settings ?? new IntvSettings();
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this.SyncSettings = (IntvSyncSettings)SyncSettings ?? new IntvSyncSettings();
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ControllerDeck = new IntellivisionControllerDeck(this.SyncSettings.Port1, this.SyncSettings.Port2);
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_cart = new Intellicart();
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if (_cart.Parse(_rom) == -1)
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{
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_cart = new Cartridge();
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_cart.Parse(_rom);
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}
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_cpu = new CP1610();
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_cpu.ReadMemory = ReadMemory;
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_cpu.WriteMemory = WriteMemory;
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_cpu.Reset();
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_stic = new STIC();
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_stic.ReadMemory = ReadMemory;
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_stic.WriteMemory = WriteMemory;
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_stic.Reset();
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(ServiceProvider as BasicServiceProvider).Register<IVideoProvider>(_stic);
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_psg = new PSG();
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_psg.Reset();
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_psg.ReadMemory = ReadMemory;
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_psg.WriteMemory = WriteMemory;
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(ServiceProvider as BasicServiceProvider).Register<ISoundProvider>(_psg);
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Connect();
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//_cpu.LogData();
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LoadExecutiveRom(CoreComm.CoreFileProvider.GetFirmware("INTV", "EROM", true, "Executive ROM is required."));
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LoadGraphicsRom(CoreComm.CoreFileProvider.GetFirmware("INTV", "GROM", true, "Graphics ROM is required."));
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Tracer = new TraceBuffer { Header = _cpu.TraceHeader };
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(ServiceProvider as BasicServiceProvider).Register<ITraceable>(Tracer);
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SetupMemoryDomains();
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}
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public IntellivisionControllerDeck ControllerDeck { get; private set; }
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private ITraceable Tracer { get; set; }
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private byte[] _rom;
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private GameInfo _gameInfo;
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private CP1610 _cpu;
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private ICart _cart;
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private STIC _stic;
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private PSG _psg;
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public void Connect()
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{
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_cpu.SetIntRM(_stic.GetSr1());
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_cpu.SetBusRq(_stic.GetSr2());
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_stic.SetSst(_cpu.GetBusAk());
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}
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public void LoadExecutiveRom(byte[] erom)
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{
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if (erom.Length != 8192)
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{
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throw new ApplicationException("EROM file is wrong size - expected 8192 bytes");
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}
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int index = 0;
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// Combine every two bytes into a word.
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while (index + 1 < erom.Length)
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{
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ExecutiveRom[index / 2] = (ushort)((erom[index++] << 8) | erom[index++]);
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}
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}
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public void LoadGraphicsRom(byte[] grom)
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{
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if (grom.Length != 2048)
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{
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throw new ApplicationException("GROM file is wrong size - expected 2048 bytes");
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}
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GraphicsRom = grom;
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}
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public void get_controller_state()
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{
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ushort port1 = ControllerDeck.ReadPort1(Controller);
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_psg.Register[15] = (ushort)(0xFF - port1);
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ushort port2 = ControllerDeck.ReadPort2(Controller);
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_psg.Register[14] = (ushort)(0xFF - port2);
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}
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}
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}
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