BizHawk/BizHawk.Emulation.Cores/Computers/SinclairSpectrum/ZXSpectrum.IMemoryDomains.cs

80 lines
2.7 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using BizHawk.Emulation.Common;
namespace BizHawk.Emulation.Cores.Computers.SinclairSpectrum
{
public partial class ZXSpectrum //: IMemoryDomains
{
internal IMemoryDomains memoryDomains;
private readonly Dictionary<string, MemoryDomainByteArray> _byteArrayDomains = new Dictionary<string, MemoryDomainByteArray>();
private bool _memoryDomainsInit = false;
private void SetupMemoryDomains()
{
var domains = new List<MemoryDomain>
{
new MemoryDomainDelegate("System Bus", 0x10000, MemoryDomain.Endian.Little,
(addr) =>
{
if (addr < 0 || addr >= 65536)
{
throw new ArgumentOutOfRangeException();
}
return _machine.ReadBus((ushort)addr);
},
(addr, value) =>
{
if (addr < 0 || addr >= 65536)
{
throw new ArgumentOutOfRangeException();
}
_machine.WriteBus((ushort)addr, value);
}, 1)
};
SyncAllByteArrayDomains();
memoryDomains = new MemoryDomainList(_byteArrayDomains.Values.Concat(domains).ToList());
(ServiceProvider as BasicServiceProvider).Register<IMemoryDomains>(memoryDomains);
_memoryDomainsInit = true;
}
private void SyncAllByteArrayDomains()
{
SyncByteArrayDomain("ROM0", _machine.ROM0);
SyncByteArrayDomain("ROM1", _machine.ROM1);
SyncByteArrayDomain("ROM2", _machine.ROM2);
SyncByteArrayDomain("ROM3", _machine.ROM3);
SyncByteArrayDomain("RAM0", _machine.RAM0);
SyncByteArrayDomain("RAM1", _machine.RAM1);
SyncByteArrayDomain("RAM2", _machine.RAM2);
SyncByteArrayDomain("RAM3", _machine.RAM3);
SyncByteArrayDomain("RAM4", _machine.RAM4);
SyncByteArrayDomain("RAM5", _machine.RAM5);
SyncByteArrayDomain("RAM6", _machine.RAM6);
SyncByteArrayDomain("RAM7", _machine.RAM7);
}
private void SyncByteArrayDomain(string name, byte[] data)
{
if (_memoryDomainsInit || _byteArrayDomains.ContainsKey(name))
{
var m = _byteArrayDomains[name];
m.Data = data;
}
else
{
var m = new MemoryDomainByteArray(name, MemoryDomain.Endian.Little, data, true, 1);
_byteArrayDomains.Add(name, m);
}
}
}
}