101 lines
2.7 KiB
C#
101 lines
2.7 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Runtime.InteropServices;
|
|
|
|
using BizHawk.Emulation.Common;
|
|
using BizHawk.Common;
|
|
|
|
namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
|
|
{
|
|
public partial class GPGX
|
|
{
|
|
private IMemoryDomains MemoryDomains;
|
|
|
|
private unsafe void SetMemoryDomains()
|
|
{
|
|
using (_elf.EnterExit())
|
|
{
|
|
var mm = new List<MemoryDomain>();
|
|
for (int i = LibGPGX.MIN_MEM_DOMAIN; i <= LibGPGX.MAX_MEM_DOMAIN; i++)
|
|
{
|
|
IntPtr area = IntPtr.Zero;
|
|
int size = 0;
|
|
IntPtr pname = Core.gpgx_get_memdom(i, ref area, ref size);
|
|
if (area == IntPtr.Zero || pname == IntPtr.Zero || size == 0)
|
|
continue;
|
|
string name = Marshal.PtrToStringAnsi(pname);
|
|
if (name == "VRAM")
|
|
{
|
|
// vram pokes need to go through hook which invalidates cached tiles
|
|
byte* p = (byte*)area;
|
|
mm.Add(new MemoryDomainDelegate(name, size, MemoryDomain.Endian.Unknown,
|
|
delegate (long addr)
|
|
{
|
|
if (addr < 0 || addr >= 65536)
|
|
throw new ArgumentOutOfRangeException();
|
|
using (_elf.EnterExit())
|
|
return p[addr ^ 1];
|
|
},
|
|
delegate (long addr, byte val)
|
|
{
|
|
if (addr < 0 || addr >= 65536)
|
|
throw new ArgumentOutOfRangeException();
|
|
Core.gpgx_poke_vram(((int)addr) ^ 1, val);
|
|
},
|
|
wordSize: 2));
|
|
}
|
|
else
|
|
{
|
|
// TODO: are the Z80 domains really Swap16 in the core? Check this
|
|
mm.Add(new MemoryDomainIntPtrSwap16Monitor(name, MemoryDomain.Endian.Big, area, size, name != "MD CART" && name != "CD BOOT ROM", _elf));
|
|
}
|
|
}
|
|
var m68Bus = new MemoryDomainDelegate("M68K BUS", 0x1000000, MemoryDomain.Endian.Big,
|
|
delegate (long addr)
|
|
{
|
|
var a = (uint)addr;
|
|
if (a >= 0x1000000)
|
|
throw new ArgumentOutOfRangeException();
|
|
return Core.gpgx_peek_m68k_bus(a);
|
|
},
|
|
delegate (long addr, byte val)
|
|
{
|
|
var a = (uint)addr;
|
|
if (a >= 0x1000000)
|
|
throw new ArgumentOutOfRangeException();
|
|
Core.gpgx_write_m68k_bus(a, val);
|
|
}, 2);
|
|
|
|
mm.Add(m68Bus);
|
|
|
|
if (IsMegaCD)
|
|
{
|
|
var s68Bus = new MemoryDomainDelegate("S68K BUS", 0x1000000, MemoryDomain.Endian.Big,
|
|
delegate (long addr)
|
|
{
|
|
var a = (uint)addr;
|
|
if (a >= 0x1000000)
|
|
throw new ArgumentOutOfRangeException();
|
|
return Core.gpgx_peek_s68k_bus(a);
|
|
},
|
|
delegate (long addr, byte val)
|
|
{
|
|
var a = (uint)addr;
|
|
if (a >= 0x1000000)
|
|
throw new ArgumentOutOfRangeException();
|
|
Core.gpgx_write_s68k_bus(a, val);
|
|
}, 2);
|
|
|
|
|
|
mm.Add(s68Bus);
|
|
}
|
|
|
|
MemoryDomains = new MemoryDomainList(mm);
|
|
MemoryDomains.SystemBus = m68Bus;
|
|
|
|
(ServiceProvider as BasicServiceProvider).Register<IMemoryDomains>(MemoryDomains);
|
|
}
|
|
}
|
|
}
|
|
}
|