83 lines
2.0 KiB
C#
83 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using BizHawk.Emulation.Common;
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namespace BizHawk.Emulation.Cores.Sega.MasterSystem
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{
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public sealed partial class SMS
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{
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private MemoryDomainList MemoryDomains;
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private readonly Dictionary<string, MemoryDomainByteArray> _byteArrayDomains = new Dictionary<string, MemoryDomainByteArray>();
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private bool _memoryDomainsInit = false;
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void SetupMemoryDomains()
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{
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var domains = new List<MemoryDomain>
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{
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new MemoryDomainDelegate("System Bus", 0x10000, MemoryDomain.Endian.Little,
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(addr) =>
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{
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if (addr < 0 || addr >= 65536)
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{
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throw new ArgumentOutOfRangeException();
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}
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return Cpu.ReadMemory((ushort)addr);
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},
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(addr, value) =>
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{
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if (addr < 0 || addr >= 65536)
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{
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throw new ArgumentOutOfRangeException();
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}
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Cpu.WriteMemory((ushort)addr, value);
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}, 1)
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};
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if (SaveRAM != null)
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{
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var saveRamDomain = new MemoryDomainDelegate("Save RAM", SaveRAM.Length, MemoryDomain.Endian.Little,
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addr => SaveRAM[addr],
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(addr, value) => { SaveRAM[addr] = value; SaveRamModified = true; }, 1);
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domains.Add(saveRamDomain);
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}
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SyncAllByteArrayDomains();
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MemoryDomains = new MemoryDomainList(_byteArrayDomains.Values.Concat(domains).ToList());
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(ServiceProvider as BasicServiceProvider).Register<IMemoryDomains>(MemoryDomains);
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_memoryDomainsInit = true;
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}
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private void SyncAllByteArrayDomains()
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{
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SyncByteArrayDomain("Main RAM", SystemRam);
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SyncByteArrayDomain("Video RAM", Vdp.VRAM);
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SyncByteArrayDomain("ROM", RomData);
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if (ExtRam != null)
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{
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SyncByteArrayDomain("Cart (Volatile) RAM", Vdp.VRAM);
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}
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}
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private void SyncByteArrayDomain(string name, byte[] data)
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{
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if (_memoryDomainsInit)
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{
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var m = _byteArrayDomains[name];
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m.Data = data;
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}
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else
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{
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var m = new MemoryDomainByteArray(name, MemoryDomain.Endian.Little, data, true, 1);
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_byteArrayDomains.Add(name, m);
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}
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}
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}
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}
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