71 lines
2.2 KiB
C#
71 lines
2.2 KiB
C#
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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.Nintendo.GBA
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{
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public partial class VBANext
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{
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private IMemoryDomains _memoryDomains;
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private void InitMemoryDomains()
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{
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var mm = new List<MemoryDomain>();
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var s = new LibVBANext.MemoryAreas();
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var l = MemoryDomain.Endian.Little;
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LibVBANext.GetMemoryAreas(Core, s);
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mm.Add(MemoryDomain.FromIntPtr("IWRAM", 32 * 1024, l, s.iwram));
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mm.Add(MemoryDomain.FromIntPtr("EWRAM", 256 * 1024, l, s.ewram));
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mm.Add(MemoryDomain.FromIntPtr("BIOS", 16 * 1024, l, s.bios, false));
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mm.Add(MemoryDomain.FromIntPtr("PALRAM", 1024, l, s.palram, false));
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mm.Add(MemoryDomain.FromIntPtr("VRAM", 96 * 1024, l, s.vram));
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mm.Add(MemoryDomain.FromIntPtr("OAM", 1024, l, s.oam));
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mm.Add(MemoryDomain.FromIntPtr("ROM", 32 * 1024 * 1024, l, s.rom));
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mm.Add(new MemoryDomain("System Bus", 0x10000000, l,
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delegate(int addr)
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{
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if (addr < 0 || addr >= 0x10000000)
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throw new ArgumentOutOfRangeException();
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return LibVBANext.SystemBusRead(Core, addr);
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},
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delegate(int addr, byte val)
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{
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if (addr < 0 || addr >= 0x10000000)
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throw new ArgumentOutOfRangeException();
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LibVBANext.SystemBusWrite(Core, addr, val);
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}));
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// special combined ram memory domain
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{
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var ew = mm[1];
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var iw = mm[0];
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MemoryDomain cr = new MemoryDomain("Combined WRAM", (256 + 32) * 1024, MemoryDomain.Endian.Little,
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delegate(int addr)
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{
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if (addr < 0 || addr >= (256 + 32) * 1024)
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throw new IndexOutOfRangeException();
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if (addr >= 256 * 1024)
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return iw.PeekByte(addr & 32767);
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else
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return ew.PeekByte(addr);
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},
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delegate(int addr, byte val)
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{
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if (addr < 0 || addr >= (256 + 32) * 1024)
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throw new IndexOutOfRangeException();
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if (addr >= 256 * 1024)
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iw.PokeByte(addr & 32767, val);
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else
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ew.PokeByte(addr, val);
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});
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mm.Add(cr);
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}
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_memoryDomains = new MemoryDomainList(mm, 0);
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(ServiceProvider as BasicServiceProvider).Register<IMemoryDomains>(_memoryDomains);
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}
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}
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}
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