/* * Snes9x - Portable Super Nintendo Entertainment System (TM) emulator. * * (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and * Jerremy Koot (jkoot@snes9x.com) * * Super FX C emulator code * (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and * Gary Henderson. * Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_. * * DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson. * C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_. * C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com). * * (c) Copyright 2014 - 2016 Daniel De Matteis. (UNDER NO CIRCUMSTANCE * WILL COMMERCIAL RIGHTS EVER BE APPROPRIATED TO ANY PARTY) * * DOS port code contains the works of other authors. See headers in * individual files. * * Snes9x homepage: http://www.snes9x.com * * Permission to use, copy, modify and distribute Snes9x in both binary and * source form, for non-commercial purposes, is hereby granted without fee, * providing that this license information and copyright notice appear with * all copies and any derived work. * * This software is provided 'as-is', without any express or implied * warranty. In no event shall the authors be held liable for any damages * arising from the use of this software. * * Snes9x is freeware for PERSONAL USE only. Commercial users should * seek permission of the copyright holders first. Commercial use includes * charging money for Snes9x or software derived from Snes9x. * * The copyright holders request that bug fixes and improvements to the code * should be forwarded to them so everyone can benefit from the modifications * in future versions. * * Super NES and Super Nintendo Entertainment System are trademarks of * Nintendo Co., Limited and its subsidiary companies. */ #include "snes9x.h" #include "memmap.h" #include "ppu.h" #include "sdd1.h" #include "display.h" void S9xSetSDD1MemoryMap(uint32 bank, uint32 value) { int c; bank = 0xc00 + bank * 0x100; value = value * 1024 * 1024; for (c = 0; c < 0x100; c += 16) { uint8* block = &Memory.ROM [value + (c << 12)]; int i; for (i = c; i < c + 16; i++) Memory.Map [i + bank] = block; } } void S9xResetSDD1(void) { int i; memset(&Memory.FillRAM [0x4800], 0, 4); for (i = 0; i < 4; i++) { Memory.FillRAM [0x4804 + i] = i; S9xSetSDD1MemoryMap(i, i); } } void S9xSDD1PostLoadState(void) { int i; for (i = 0; i < 4; i++) S9xSetSDD1MemoryMap(i, Memory.FillRAM [0x4804 + i]); }