unsafe void SetMemoryDomains() { 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 = LibGPGX.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 MemoryDomain(name, size, MemoryDomain.Endian.Unknown, delegate(long addr) { if (addr < 0 || addr >= 65536) { throw new ArgumentOutOfRangeException(); } return(p[addr ^ 1]); }, delegate(long addr, byte val) { if (addr < 0 || addr >= 65536) { throw new ArgumentOutOfRangeException(); } LibGPGX.gpgx_poke_vram(((int)addr) ^ 1, val); }, byteSize: 2)); } else { var byteSize = name.Contains("Z80") ? 1 : 2; mm.Add(MemoryDomain.FromIntPtrSwap16(name, size, MemoryDomain.Endian.Big, area, writable: true, byteSize: byteSize)); } } MemoryDomains = new MemoryDomainList(mm); (ServiceProvider as BasicServiceProvider).Register <IMemoryDomains>(MemoryDomains); }
private unsafe void SetMemoryDomains() { 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 = LibGPGX.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(); } return(p[addr ^ 1]); }, delegate(long addr, byte val) { if (addr < 0 || addr >= 65536) { throw new ArgumentOutOfRangeException(); } LibGPGX.gpgx_poke_vram(((int)addr) ^ 1, val); }, wordSize: 2)); } else { // TODO: are the Z80 domains really Swap16 in the core? Check this //var byteSize = name.Contains("Z80") ? 1 : 2; mm.Add(MemoryDomain.FromIntPtrSwap16(name, size, MemoryDomain.Endian.Big, area, name != "MD CART" && name != "CD BOOT ROM")); } } var m68Bus = new MemoryDomainDelegate("M68K BUS", 0x1000000, MemoryDomain.Endian.Big, delegate(long addr) { var a = (uint)addr; if (a >= 0x1000000) { throw new ArgumentOutOfRangeException(); } return(LibGPGX.gpgx_peek_m68k_bus(a)); }, delegate(long addr, byte val) { var a = (uint)addr; if (a >= 0x1000000) { throw new ArgumentOutOfRangeException(); } LibGPGX.gpgx_write_m68k_bus(a, val); }, 2); mm.Add(m68Bus); var s68Bus = new MemoryDomainDelegate("S68K BUS", 0x1000000, MemoryDomain.Endian.Big, delegate(long addr) { var a = (uint)addr; if (a >= 0x1000000) { throw new ArgumentOutOfRangeException(); } return(LibGPGX.gpgx_peek_s68k_bus(a)); }, delegate(long addr, byte val) { var a = (uint)addr; if (a >= 0x1000000) { throw new ArgumentOutOfRangeException(); } LibGPGX.gpgx_write_s68k_bus(a, val); }, 2); if (IsSegaCD) { mm.Add(s68Bus); } MemoryDomains = new MemoryDomainList(mm); MemoryDomains.SystemBus = m68Bus; (ServiceProvider as BasicServiceProvider).Register <IMemoryDomains>(MemoryDomains); }
private unsafe void SetMemoryDomains() { 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 = LibGPGX.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(); } return(p[addr ^ 1]); }, delegate(long addr, byte val) { if (addr < 0 || addr >= 65536) { throw new ArgumentOutOfRangeException(); } LibGPGX.gpgx_poke_vram(((int)addr) ^ 1, val); }, wordSize: 2)); } else { // TODO: are the Z80 domains really Swap16 in the core? Check this //var byteSize = name.Contains("Z80") ? 1 : 2; mm.Add(new MemoryDomainIntPtrSwap16(name, MemoryDomain.Endian.Big, area, size, name != "MD CART" && name != "CD BOOT ROM")); } } //it's gross for this not to be the full 32bits. //Uhh I mean, I guess the bus is physically smaller.. but the cpu's view of it is larger... //So... I guess no matter what we do, some badness will propagate. This is probably least bad. //Anyway, the disassembler, for instance, must have been masked down to size, since code can run from FFxxxxxxxx... var m68Bus = new MemoryDomainDelegate("M68K BUS", 0x1000000, MemoryDomain.Endian.Big, delegate(long addr) { var a = (uint)addr; if (a >= 0x1000000) { throw new ArgumentOutOfRangeException(); } return(LibGPGX.gpgx_peek_m68k_bus(a)); }, delegate(long addr, byte val) { var a = (uint)addr; if (a >= 0x1000000) { throw new ArgumentOutOfRangeException(); } LibGPGX.gpgx_write_m68k_bus(a, val); }, 2); mm.Add(m68Bus); var s68Bus = new MemoryDomainDelegate("S68K BUS", 0x1000000, MemoryDomain.Endian.Big, delegate(long addr) { var a = (uint)addr; if (a >= 0x1000000) { throw new ArgumentOutOfRangeException(); } return(LibGPGX.gpgx_peek_s68k_bus(a)); }, delegate(long addr, byte val) { var a = (uint)addr; if (a >= 0x1000000) { throw new ArgumentOutOfRangeException(); } LibGPGX.gpgx_write_s68k_bus(a, val); }, 2); if (IsSegaCD) { mm.Add(s68Bus); } MemoryDomains = new MemoryDomainList(mm); MemoryDomains.SystemBus = m68Bus; (ServiceProvider as BasicServiceProvider).Register <IMemoryDomains>(MemoryDomains); }