2 * Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
4 * (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
5 * Jerremy Koot (jkoot@snes9x.com)
7 * Super FX C emulator code
8 * (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
10 * Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
12 * DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
13 * C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
14 * C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com).
16 * DOS port code contains the works of other authors. See headers in
19 * Snes9x homepage: http://www.snes9x.com
21 * Permission to use, copy, modify and distribute Snes9x in both binary and
22 * source form, for non-commercial purposes, is hereby granted without fee,
23 * providing that this license information and copyright notice appear with
24 * all copies and any derived work.
26 * This software is provided 'as-is', without any express or implied
27 * warranty. In no event shall the authors be held liable for any damages
28 * arising from the use of this software.
30 * Snes9x is freeware for PERSONAL USE only. Commercial users should
31 * seek permission of the copyright holders first. Commercial use includes
32 * charging money for Snes9x or software derived from Snes9x.
34 * The copyright holders request that bug fixes and improvements to the code
35 * should be forwarded to them so everyone can benefit from the modifications
38 * Super NES and Super Nintendo Entertainment System are trademarks of
39 * Nintendo Co., Limited and its subsidiary companies.
51 void S9xSetSDD1MemoryMap (uint32 bank, uint32 value)
53 bank = 0xc00 + bank * 0x100;
54 value = value * 1024 * 1024;
58 for (c = 0; c < 0x100; c += 16)
60 uint8 *block = &Memory.ROM [value + (c << 12)];
63 for (i = c; i < c + 16; i++)
64 Memory.Map [i + bank] = block;
70 memset (&Memory.FillRAM [0x4800], 0, 4);
71 for (int i = 0; i < 4; i++)
73 Memory.FillRAM [0x4804 + i] = i;
74 S9xSetSDD1MemoryMap (i, i);
78 void S9xSDD1PostLoadState ()
80 for (int i = 0; i < 4; i++)
81 S9xSetSDD1MemoryMap (i, Memory.FillRAM [0x4804 + i]);
85 static int S9xCompareSDD1LoggedDataEntries (const void *p1, const void *p2)
87 static int _cdecl S9xCompareSDD1LoggedDataEntries (const void *p1, const void *p2)
90 uint8 *b1 = (uint8 *) p1;
91 uint8 *b2 = (uint8 *) p2;
92 uint32 a1 = (*b1 << 16) + (*(b1 + 1) << 8) + *(b1 + 2);
93 uint32 a2 = (*b2 << 16) + (*(b2 + 1) << 8) + *(b2 + 2);
98 void S9xSDD1SaveLoggedData ()
100 if (Memory.SDD1LoggedDataCount != Memory.SDD1LoggedDataCountPrev)
102 qsort (Memory.SDD1LoggedData, Memory.SDD1LoggedDataCount, 8,
103 S9xCompareSDD1LoggedDataEntries);
105 const char * sdd1_dat_file = S9xGetFilename(FILE_SDD1_DAT);
106 FILE *fs = fopen (sdd1_dat_file, "wb");
110 fwrite (Memory.SDD1LoggedData, 8,
111 Memory.SDD1LoggedDataCount, fs);
114 chown (sdd1_dat_file, getuid (), getgid ());
117 Memory.SDD1LoggedDataCountPrev = Memory.SDD1LoggedDataCount;
121 void S9xSDD1LoadLoggedData ()
123 FILE *fs = fopen (S9xGetFilename(FILE_SDD1_DAT), "rb");
125 Memory.SDD1LoggedDataCount = Memory.SDD1LoggedDataCountPrev = 0;
129 int c = fread (Memory.SDD1LoggedData, 8,
130 MEMMAP_MAX_SDD1_LOGGED_ENTRIES, fs);
133 Memory.SDD1LoggedDataCount = Memory.SDD1LoggedDataCountPrev = c;