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memmap.cpp
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/*
* Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
*
* (c) Copyright 1996 - 2001 Gary Henderson ([email protected]) and
* Jerremy Koot ([email protected])
*
* Super FX C emulator code
* (c) Copyright 1997 - 1999 Ivar ([email protected]) 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 ([email protected]).
*
* 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.
*/
#ifndef __GP32__
//#include <string.h>
//#include <ctype.h>
#endif
extern const char *S9xGetSaveFilename( const char *e );
#ifdef __linux
#include <unistd.h>
#endif
#include "snes9x.h"
#include "memmap.h"
#include "cpuexec.h"
#include "ppu.h"
#include "display.h"
extern "C" {
#include "cheats.h"
}
#include "apu.h"
#include "sa1.h"
#include "srtc.h"
#include "sdd1.h"
#include "soundux.h"
#ifdef UNZIP_SUPPORT
#include "unzip.h"
#endif
#ifndef ZSNES_FX
#include "fxemu.h"
extern struct FxInit_s SuperFX;
#else
START_EXTERN_C
extern uint8 *SFXPlotTable;
END_EXTERN_C
#endif
static uint8 bytes0x2000 [0x2000];
extern uint8*sdd1_buffer;
/*extern int *Echo;// [32768];
extern int *DummyEchoBuffer;// [SOUND_BUFFER_SIZE];
extern int *MixBuffer;// [SOUND_BUFFER_SIZE];
extern int *EchoBuffer;*/
extern "C" {
uint32 caCRC32(uint8 *array, uint32 size, register uint32 crc32 = 0xFFFFFFFF);
}
bool8 CMemory::AllASCII (uint8 *b, int size)
{
for (int i = 0; i < size; i++)
{
if (b[i] < 32 || b[i] > 126)
return (FALSE);
}
return (TRUE);
}
int CMemory::ScoreHiROM (bool8 skip_header)
{
int score = 0;
int o = skip_header ? 0xff00 + 0x200 : 0xff00;
if(ROM [o + 0xd5] & 0x1)
score+=2;
//Mode23 is SA-1
if(ROM [o + 0xd5] == 0x23)
score-=2;
if(ROM [o+0xd4] == 0x20)
score +=2;
if ((ROM [o + 0xdc] + (ROM [o + 0xdd] << 8) +
ROM [o + 0xde] + (ROM [o + 0xdf] << 8)) == 0xffff)
{
score += 2;
if(0!=(ROM [o + 0xde] + (ROM [o + 0xdf] << 8)))
score++;
}
if (ROM [o + 0xda] == 0x33)
score += 2;
if ((ROM [o + 0xd5] & 0xf) < 4)
score += 2;
if (!(ROM [o + 0xfd] & 0x80))
score -= 6;
if ((ROM [o + 0xfc]|(ROM [o + 0xfd]<<8))>0xFFB0)
score -= 2; //reduced after looking at a scan by Cowering
if (CalculatedSize > 1024 * 1024 * 3)
score += 4;
if ((1 << (ROM [o + 0xd7] - 7)) > 48)
score -= 1;
if (!AllASCII (&ROM [o + 0xb0], 6))
score -= 1;
if (!AllASCII (&ROM [o + 0xc0], ROM_NAME_LEN - 1))
score -= 1;
return (score);
}
int CMemory::ScoreLoROM (bool8 skip_header)
{
int score = 0;
int o = skip_header ? 0x7f00 + 0x200 : 0x7f00;
if(!(ROM [o + 0xd5] & 0x1))
score+=3;
//Mode23 is SA-1
if(ROM [o + 0xd5] == 0x23)
score+=2;
if ((ROM [o + 0xdc] + (ROM [o + 0xdd] << 8) +
ROM [o + 0xde] + (ROM [o + 0xdf] << 8)) == 0xffff)
{
score += 2;
if(0!=(ROM [o + 0xde] + (ROM [o + 0xdf] << 8)))
score++;
}
if (ROM [o + 0xda] == 0x33)
score += 2;
if ((ROM [o + 0xd5] & 0xf) < 4)
score += 2;
if (CalculatedSize <= 1024 * 1024 * 16)
score += 2;
if (!(ROM [o + 0xfd] & 0x80))
score -= 6;
if ((ROM [o + 0xfc]|(ROM [o + 0xfd]<<8))>0xFFB0)
score -= 2;//reduced per Cowering suggestion
if ((1 << (ROM [o + 0xd7] - 7)) > 48)
score -= 1;
if (!AllASCII (&ROM [o + 0xb0], 6))
score -= 1;
if (!AllASCII (&ROM [o + 0xc0], ROM_NAME_LEN - 1))
score -= 1;
return (score);
}
/*char *CMemory::Safe (const char *s)
{
static char *safe = NULL;
static int safe_len = 0;
int len = strlen (s);
if (!safe || len + 1 > safe_len)
{
if (safe)
free ((char *) safe);
safe = (char *) malloc (safe_len = len + 1);
}
for (int i = 0; i < len; i++)
{
if (s [i] >= 32 && s [i] < 127)
safe [i] = s[i];
else
safe [i] = '?';
}
safe [len] = 0;
return (safe);
}*/
/**********************************************************************************************/
/* Init() */
/* This function allocates all the memory needed by the emulator */
/**********************************************************************************************/
//extern unsigned int __attribute__((aligned(16))) clut256[256*3];
extern u16 *clut256;
extern u8 *tile_texture[3];
bool8 CMemory::Init ()
{
//DEBUGS("9a");
//RAM = (uint8 *) malloc (0x20000);
//DEBUGS("9b");
// SRAM = (uint8 *) malloc (0x20000+MAX_RTC_INDEX+16);
// VRAM = (uint8 *) malloc (0x10000);
//DEBUGS("9c");
//FillRAM = (uint8 *) malloc(0x8000);
C4RAM = (uint8 *) malloc(0x2000);
sdd1_buffer = (uint8 *) malloc (0x10000);
//DEBUGS("9d");
//try to use storage instead of heap mem
//ROM = (uint8 *) calloc (MAX_ROM_SIZE + 0x200 + 0x8000,1);
//DEBUGS("9e");
//FillRAM = NULL;
clut256=(u16*)(0x44000000+2*512*272*2+256*240*2+3*256*256*2);
tile_texture[0]=(u8*)(0x44000000+2*512*272*2+256*240*2+3*256*256*2+256*2*3);
tile_texture[1]=tile_texture[0]+512*512;
tile_texture[2]=tile_texture[1]+512*512; //here we're very close to the 2MB limit...
// VRAMmode7=tile_texture[2]+512*512;
IPPU.TileCache [TILE_2BIT] = (uint8 *) malloc (MAX_2BIT_TILES * (128+8));
IPPU.TileCache [TILE_4BIT] = (uint8 *) malloc (MAX_4BIT_TILES * (128+8));
IPPU.TileCache [TILE_8BIT] = (uint8 *) malloc (MAX_8BIT_TILES * (128+8));
IPPU.TileCache8 [TILE_2BIT] = (uint8 *) malloc (MAX_2BIT_TILES * (64));
IPPU.TileCache8 [TILE_4BIT] = (uint8 *) malloc (MAX_4BIT_TILES * (64));
IPPU.TileCache8 [TILE_8BIT] = (uint8 *) malloc (MAX_8BIT_TILES * (64));
IPPU.TileCached [TILE_2BIT] = (uint8 *) malloc ((MAX_2BIT_TILES+MAX_4BIT_TILES+MAX_8BIT_TILES) * 2);
IPPU.TileCached [TILE_4BIT] = IPPU.TileCached [TILE_2BIT]+MAX_2BIT_TILES * 2;
IPPU.TileCached [TILE_8BIT] = IPPU.TileCached [TILE_4BIT]+MAX_4BIT_TILES * 2;
// DEBUGS("9f");
if (/*!Echo||!DummyEchoBuffer||!MixBuffer||!EchoBuffer||*/!sdd1_buffer || !C4RAM || /*!FillRAM ||*/ !RAM/* || !SRAM || !VRAM*/ || !ROM ||
!IPPU.TileCache [TILE_2BIT] || !IPPU.TileCache [TILE_4BIT] ||
!IPPU.TileCache [TILE_8BIT] || !IPPU.TileCached [TILE_2BIT] ||
!IPPU.TileCached [TILE_4BIT] || !IPPU.TileCached [TILE_8BIT])
{
S9xMessage(-1,0,"Cannot allocate memory");
Deinit ();
return (FALSE);
}
// FillRAM uses first 32K of ROM image area, otherwise space just
// wasted. Might be read by the SuperFX code.
// FillRAM = ROM;
// Add 0x8000 to ROM image pointer to stop SuperFX code accessing
// unallocated memory (can cause crash on some ports).
// ROM += 0x8000;
//C4RAM = ROM + 0x400000 + 8192 * 8;
// ::ROM = ROM;
// ::SRAM = SRAM;
// ::RegRAM = FillRAM;
#ifdef ZSNES_FX
SFXPlotTable = ROM + 0x400000;
#else
SuperFX.pvRegisters = &FillRAM [0x3000];
SuperFX.nRamBanks = 2; // Most only use 1. 1=64KB, 2=128KB=1024Mb
SuperFX.pvRam = ::SRAM;
SuperFX.nRomBanks = (2 * 1024 * 1024) / (32 * 1024);
SuperFX.pvRom = (uint8 *) ROM;
#endif
ZeroMemory (IPPU.TileCached [TILE_2BIT], MAX_2BIT_TILES);
ZeroMemory (IPPU.TileCached [TILE_4BIT], MAX_4BIT_TILES);
ZeroMemory (IPPU.TileCached [TILE_8BIT], MAX_8BIT_TILES);
tile_askforreset(-1);
SDD1Data = NULL;
SDD1Index = NULL;
return (TRUE);
}
void CMemory::Deinit ()
{
if (sdd1_buffer){free(sdd1_buffer);sdd1_buffer=NULL;}
/* if (RAM)
{free ((uint8*)RAM);RAM = NULL;} */
//if (ROM)
//{ROM-=0x8000;free(ROM);ROM = NULL;}
//if (FillRAM)
//{free((uint8*)FillRAM);FillRAM = NULL;}
if (C4RAM)
{free((uint8*)C4RAM);C4RAM = NULL;}
if (IPPU.TileCache [TILE_2BIT])
{free ((char *) IPPU.TileCache [TILE_2BIT]);IPPU.TileCache [TILE_2BIT] = NULL;}
if (IPPU.TileCache [TILE_4BIT])
{free ((char *) IPPU.TileCache [TILE_4BIT]);IPPU.TileCache [TILE_4BIT] = NULL;}
if (IPPU.TileCache [TILE_8BIT])
{free ((char *) IPPU.TileCache [TILE_8BIT]);IPPU.TileCache [TILE_8BIT] = NULL;}
if (IPPU.TileCache8 [TILE_2BIT])
{free ((char *) IPPU.TileCache8 [TILE_2BIT]);IPPU.TileCache8 [TILE_2BIT] = NULL;}
if (IPPU.TileCache8 [TILE_4BIT])
{free ((char *) IPPU.TileCache8 [TILE_4BIT]);IPPU.TileCache8 [TILE_4BIT] = NULL;}
if (IPPU.TileCache8 [TILE_8BIT])
{free ((char *) IPPU.TileCache8 [TILE_8BIT]);IPPU.TileCache8 [TILE_8BIT] = NULL;}
if (IPPU.TileCached [TILE_2BIT])
{free ((char *) IPPU.TileCached [TILE_2BIT]);IPPU.TileCached [TILE_2BIT] = NULL;}
/* if (IPPU.TileCached [TILE_4BIT])
{
free ((char *) IPPU.TileCached [TILE_4BIT]);
IPPU.TileCached [TILE_4BIT] = NULL;
}
if (IPPU.TileCached [TILE_8BIT])
{
free ((char *) IPPU.TileCached [TILE_8BIT]);
IPPU.TileCached [TILE_8BIT] = NULL;
}*/
FreeSDD1Data ();
}
void CMemory::FreeSDD1Data ()
{
if (SDD1Index)
{
free ((char *) SDD1Index);
SDD1Index = NULL;
}
if (SDD1Data)
{
free ((char *) SDD1Data);
SDD1Data = NULL;
}
}
void CMemory::DeInterleavedRom(bool8 Tales)
{
int i;
CPUPack.CPU.TriedInterleavedMode2 = TRUE;
int nblocks = CalculatedSize >> 16;
int blocks [256];
if (Tales)
{
nblocks = 0x60;
for (i = 0; i < 0x40; i += 2)
{
blocks [i + 0] = (i >> 1) + 0x20;
blocks [i + 1] = (i >> 1) + 0x00;
}
for (i = 0; i < 0x80; i += 2)
{
blocks [i + 0x40] = (i >> 1) + 0x80;
blocks [i + 0x41] = (i >> 1) + 0x40;
}
LoROM = FALSE;
HiROM = TRUE;
}
else
if (Settings.ForceInterleaved2)
{
for (i = 0; i < nblocks * 2; i++)
{
blocks [i] = (i & (0xff^0x1e)) | ((i & 2) << 2) | ((i & 4) << 2) |
((i & 8) >> 2) | ((i & 16) >> 2);
}
}
else
{
bool8 t = LoROM;
LoROM = HiROM;
HiROM = t;
for (i = 0; i < nblocks; i++)
{
blocks [i * 2] = i + nblocks;
blocks [i * 2 + 1] = i;
}
}
uint8 *tmp = (uint8 *) malloc (0x8000);
if (tmp)
{
S9xMessage(0,0,"DeInterleaving");
for (i = 0; i < nblocks * 2; i++)
{
for (int j = i; j < nblocks * 2; j++)
{
if (blocks [j] == i)
{
if (blocks[j]!=blocks[i])
{
memcpy (tmp, ROM + blocks [j] * 0x8000UL, 0x8000);
memcpy (ROM+ blocks [j] * 0x8000UL,ROM + blocks [i] * 0x8000UL, 0x8000);
memcpy(ROM+ blocks [i] * 0x8000UL, tmp, 0x8000);
}
uint8 b = blocks [j];
blocks [j] = blocks [i];
blocks [i] = b;
break;
}
}
}
free ((char *) tmp);
}
}
int CMemory::LoadROMMore(int TotalFileSize,int &retry_count)
{
bool8 Interleaved = FALSE;
bool8 Tales = FALSE;
int orig_hi_score, orig_lo_score;
int hi_score, lo_score;
int i;
orig_hi_score = hi_score = ScoreHiROM (FALSE);
orig_lo_score = lo_score = ScoreLoROM (FALSE);
if (HeaderCount == 0 && !Settings.ForceNoHeader &&
((hi_score > lo_score && ScoreHiROM (TRUE) > hi_score) ||
(hi_score <= lo_score && ScoreLoROM (TRUE) > lo_score)))
{
memmove (ROM, ROM + 512, TotalFileSize - 512);
TotalFileSize -= 512;
//S9xMessage (S9X_INFO, S9X_HEADER_WARNING,
// "Try specifying the -nhd command line option if the game doesn't work\n");
}
CalculatedSize = (TotalFileSize / 0x2000) * 0x2000;
ZeroMemory (ROM + CalculatedSize, MAX_ROM_SIZE - CalculatedSize);
// Check for cherryroms.com DAIKAIJYUMONOGATARI2
if (CalculatedSize == 0x500000 &&
strncmp ((const char *)&ROM [0x40ffc0], "DAIKAIJYUMONOGATARI2", 20) == 0 &&
strncmp ((const char *)&ROM [0x40ffb0], "18AE6J", 6) == 0 &&
memcmp (&ROM[0x40ffb0], &ROM [0xffb0], 0x30))
{
//Change
memmove (&ROM[0x100000], ROM, 0x500000);
memmove (ROM, &ROM[0x500000], 0x100000);
}
Interleaved = Settings.ForceInterleaved || Settings.ForceInterleaved2;
if (Settings.ForceLoROM || (!Settings.ForceHiROM && lo_score >= hi_score))
{
LoROM = TRUE;
HiROM = FALSE;
// Ignore map type byte if not 0x2x or 0x3x
if ((ROM [0x7fd5] & 0xf0) == 0x20 || (ROM [0x7fd5] & 0xf0) == 0x30)
{
switch (ROM [0x7fd5] & 0xf)
{
case 1:
if (strncmp ((char *) &ROM [0x7fc0], "TREASURE HUNTER G", 17) != 0)
Interleaved = TRUE;
break;
case 2:
#if 0
if (!Settings.ForceLoROM &&
strncmp ((char *) &ROM [0x7fc0], "SUPER FORMATION SOCCE", 21) != 0 &&
strncmp ((char *) &ROM [0x7fc0], "Star Ocean", 10) != 0)
{
LoROM = FALSE;
HiROM = TRUE;
}
#endif
break;
case 5:
Interleaved = TRUE;
Tales = TRUE;
break;
}
}
}
else
{
if ((ROM [0xffd5] & 0xf0) == 0x20 || (ROM [0xffd5] & 0xf0) == 0x30)
{
switch (ROM [0xffd5] & 0xf)
{
case 0:
case 3:
Interleaved = TRUE;
break;
}
}
LoROM = FALSE;
HiROM = TRUE;
}
if (!Settings.ForceHiROM && !Settings.ForceLoROM &&
!Settings.ForceInterleaved && !Settings.ForceInterleaved2 &&
!Settings.ForceNotInterleaved && !Settings.ForcePAL &&
!Settings.ForceSuperFX && !Settings.ForceDSP1 &&
!Settings.ForceSA1 && !Settings.ForceC4 &&
!Settings.ForceSDD1)
{
if(strncmp((char *) &ROM [0x7fc0], "YOSHI'S ISLAND", 14) == 0&&(*(uint16*)&ROM[0x7FDE])==57611&&ROM[0x10002]==0xA9)
{
Interleaved=true;
Settings.ForceInterleaved2=true;
}
if (strncmp ((char *) &ROM [0x7fc0], "YUYU NO QUIZ DE GO!GO!", 22) == 0)
{
LoROM = TRUE;
HiROM = FALSE;
Interleaved = FALSE;
}
else
if (strncmp ((char *) &ROM [0x7fc0], "SP MOMOTAROU DENTETSU2", 22) == 0)
{
LoROM = TRUE;
HiROM = FALSE;
Interleaved = FALSE;
}
else
if (CalculatedSize == 0x100000 &&
strncmp ((char *) &ROM [0xffc0], "WWF SUPER WRESTLEMANIA", 22) == 0)
{
int cvcount;
memmove (&ROM[0x100000] , ROM, 0x100000);
for (cvcount = 0; cvcount < 16; cvcount++)
{
memmove (&ROM[0x8000 * cvcount], &ROM[0x10000 * cvcount + 0x100000 + 0x8000], 0x8000);
memmove (&ROM[0x8000 * cvcount + 0x80000], &ROM[0x10000 * cvcount + 0x100000], 0x8000);
}
LoROM = TRUE;
HiROM = FALSE;
ZeroMemory (ROM + CalculatedSize, MAX_ROM_SIZE - CalculatedSize);
}
}
if (!Settings.ForceNotInterleaved && Interleaved)
{
S9xMessage(0,0,"interleaved ROM");
DeInterleavedRom(Tales);
S9xMessage(0,0,"conversion done");
hi_score = ScoreHiROM (FALSE);
lo_score = ScoreLoROM (FALSE);
if ((HiROM &&
(lo_score >= hi_score || hi_score < 0)) ||
(LoROM &&
(hi_score > lo_score || lo_score < 0)))
{
if (retry_count == 0)
{
S9xMessage(0,0,"ROM lied about its type! Trying again.");
Settings.ForceNotInterleaved = TRUE;
Settings.ForceInterleaved = FALSE;
retry_count++;
//goto again;
return 1;
}
}
}
FreeSDD1Data ();
InitROM (Tales);
return 0;
}
/**********************************************************************************************/
/* LoadROM() */
/* This function loads a Snes-Backup image */
/**********************************************************************************************/
extern char rom_filename[256];
extern char shortrom_filename[64];
bool8 CMemory::LoadROM (const char *filename)
{
unsigned long FileSize = 0;
int retry_count = 0;
//STREAM ROMFile;
FILE *ROMFile;
int current_pos;
char ext [4 + 1];
char fname [256 + 1];
char name [256 + 1];
int i;
memset (&SNESGameFixes, 0, sizeof(SNESGameFixes));
SNESGameFixes.SRAMInitialValue = 0x60;
memset (bytes0x2000, 0, 0x2000);
CPUPack.CPU.TriedInterleavedMode2 = FALSE;
CalculatedSize = 0;
again:
// _splitpath (filename, drive, dir, name, ext);
// _makepath (fname, drive, dir, name, ext);
strcpy(name,shortrom_filename);
strcpy(fname,filename);
char *p=strchr(rom_filename,'.');
char *q;
q=p;
while (p)
{
q=p;
p=strchr(p+1,'.');
}
strcpy(ext,q+1);
#if defined(__WIN32__)
memmove (&ext [0], &ext[1], 4);
#endif
int32 TotalFileSize = 0;
#ifdef UNZIP_SUPPORT
if (strcasecmp (ext, "zip") == 0)
{
//S9xMessage(0,0,"File is zipped...\nSearching for a valide ROM inside");
//bool8 LoadZip (const char *, int32 *, int32 *);
//if (!LoadZip (fname, &TotalFileSize, &HeaderCount))
// return (FALSE);
unzFile zip_file = 0;
unz_file_info unzinfo;
char snes_file[256]; //yoyo
char *p,*q;
char *pext;
uint8 *ptr=(uint8*)ROM;
// S9xMessage(1,0,"yo zip1");
zip_file = unzOpen(filename);
// S9xMessage(1,0,"yo zip2");
if (!zip_file) return FALSE;
// S9xMessage(1,0,"yo zip3");
unzGoToFirstFile (zip_file);
// S9xMessage(1,0,"yo zip4");
for (;;)
{
if (unzGetCurrentFileInfo(zip_file, &unzinfo, snes_file, sizeof(snes_file), NULL, NULL, NULL, NULL) != UNZ_OK) return FALSE;
p = (char*)strchr(snes_file, '.');
while (q = (char *)strchr(p+1, '.'))
{
p=q;
}
if (strcasecmp(p, ".smc") == 0) break;
if (strcasecmp(p, ".sfc") == 0) break;
if (strcasecmp(p, ".swc") == 0) break;
if (strcasecmp(p, ".bin") == 0) break;
if (strcasecmp(p, ".fig") == 0) break;
// if (compare(p, ".1") == 0) break;
if (unzGoToNextFile(zip_file) != UNZ_OK) return FALSE;
}
// S9xMessage(1,0,"opening in zip file ,");
unzOpenCurrentFile (zip_file);
// S9xMessage(1,0,snes_file);
FileSize = unzinfo.uncompressed_size;
// char tmp[64];
// sprintf(tmp,"size : %d",FileSize);
// S9xMessage(1,0,tmp);
{char str[64];sprintf(str,"Loading %dKo...",FileSize>>10);msgBoxLines(str,0);msgBoxLines(str,0); }
unzReadCurrentFile(zip_file,(void*)(ptr), FileSize, psp_showProgressBar);
// S9xMessage(1,0,"ok");
unzCloseCurrentFile (zip_file);
unzClose (zip_file);
int calc_size = (FileSize / 0x2000) * 0x2000;
if ((FileSize - calc_size == 512 && !Settings.ForceNoHeader) ||
Settings.ForceHeader)
{
memmove (ptr, ptr + 512, calc_size);
HeaderCount++;
FileSize -= 512;
}
TotalFileSize += FileSize;
strcpy (ROMFilename, fname);
}
else
#endif
{
//if ((ROMFile = OPEN_STREAM (fname, "rb")) == NULL)
//return (FALSE);
ROMFile = fopen(fname,"rb");
if (!ROMFile) return false;
strcpy (ROMFilename, fname);
HeaderCount = 0;
uint8 *ptr = ROM;
bool8 more = FALSE;
do
{
//FileSize = READ_STREAM (ptr, MAX_ROM_SIZE + 0x200 - (ptr - ROM), ROMFile);
fseek(ROMFile,0,SEEK_END);
FileSize=ftell(ROMFile);
fseek(ROMFile,0,SEEK_SET);
current_pos=FileSize;
{char str[64];sprintf(str,"Loading %dKo...",FileSize>>10);msgBoxLines(str,0);msgBoxLines(str,0); }
while (current_pos>0) {
psp_showProgressBar(current_pos,FileSize);
if (current_pos>0x8000) {
fread(ptr,0x8000,1,ROMFile);
ptr+=0x8000;
current_pos-=0x8000;
} else {
fread(ptr,current_pos,1,ROMFile);
ptr+=current_pos;
current_pos=0;
}
}
psp_showProgressBar(FileSize-current_pos,FileSize);
ptr=ROM;
fclose(ROMFile);
//CLOSE_STREAM (ROMFile);
int calc_size = (FileSize / 0x2000) * 0x2000;
if ((FileSize - calc_size == 512 && !Settings.ForceNoHeader) || Settings.ForceHeader) {
memmove (ptr, ptr + 512, calc_size);
HeaderCount++;
FileSize -= 512;
}
TotalFileSize += FileSize;
int len;
if (ptr - ROM < MAX_ROM_SIZE + 0x200 && (isdigit (ext [0]) && ext [1] == 0 && ext [0] < '9')) {
more = TRUE;
ext [0]++;
#if defined(__WIN32__)||defined(__GP32__)||defined(__PSP__)
memmove (&ext [1], &ext [0], 4);
ext [0] = '.';
#endif
//_makepath (fname, drive, dir, name, ext);
}
else
if (ptr- ROM < MAX_ROM_SIZE + 0x200 &&
(((len = strlen (name)) == 7 || len == 8) &&
strncasecmp (name, "sf", 2) == 0 &&
isdigit (name [2]) && isdigit (name [3]) && isdigit (name [4]) &&
isdigit (name [5]) && isalpha (name [len - 1])))
{
more = TRUE;
name [len - 1]++;
#if defined(__WIN32__)||defined(__GP32__)||defined(__PSP__)
memmove (&ext [1], &ext [0], 4);
ext [0] = '.';
#endif
//_makepath (fname, drive, dir, name, ext);
}
else
{ more = FALSE; break;}
//} while (more && (ROMFile = OPEN_STREAM (fname, "rb")) != NULL);
} while (more && (ROMFile = fopen (fname, "rb")) != NULL);
}
/*if (HeaderCount == 0)
S9xMessage (S9X_INFO, S9X_HEADERS_INFO, "No ROM file header found.");
else
{
if (HeaderCount == 1)
S9xMessage (S9X_INFO, S9X_HEADERS_INFO,
"Found ROM file header (and ignored it).");
else
S9xMessage (S9X_INFO, S9X_HEADERS_INFO,
"Found multiple ROM file headers (and ignored them).");
}*/
CheckForIPSPatch (filename, HeaderCount != 0, TotalFileSize,".ips");
CheckForIPSPatch (filename, HeaderCount != 0, TotalFileSize,".ips1");
CheckForIPSPatch (filename, HeaderCount != 0, TotalFileSize,".ips2");
CheckForIPSPatch (filename, HeaderCount != 0, TotalFileSize,".ips3");
CheckForIPSPatch (filename, HeaderCount != 0, TotalFileSize,".ips4");
// More
if (LoadROMMore(TotalFileSize,retry_count))
{
goto again;
}
S9xLoadCheatFile (S9xGetSaveFilename(".cht"));
S9xInitCheatData ();
S9xApplyCheats ();
S9xReset ();
return (TRUE);
}
void S9xDeinterleaveMode2 ()
{
//S9xMessage (S9X_INFO, S9X_ROM_INTERLEAVED_INFO,
//"ROM image is in interleaved format - converting...");
S9xMessage(0,0,"deinterleaved mofe 2");
int nblocks = Memory.CalculatedSize >> 15;
int step = 64;
while (nblocks <= step)
step >>= 1;
nblocks = step;
uint8 blocks [256];
int i;
for (i = 0; i < nblocks * 2; i++)
{
blocks [i] = (i & ~0x1e) | ((i & 2) << 2) | ((i & 4) << 2) |
((i & 8) >> 2) | ((i & 16) >> 2);
}
uint8 *tmp = (uint8 *) malloc (0x8000);
if (tmp)
{
for (i = 0; i < nblocks * 2; i++)
{
for (int j = i; j < nblocks * 2; j++)
{
if (blocks [j] == i)
{
if (blocks[j]!=blocks[i])
{
memmove (tmp, &ROM [(uint32)(blocks [j]) * 0x8000], 0x8000);
memcpy(ROM+blocks [j] * 0x8000UL,ROM + blocks [i] * 0x8000UL, 0x8000);
memcpy(ROM+blocks [i] * 0x8000UL,tmp, 0x8000);
}
uint8 b = blocks [j];
blocks [j] = blocks [i];
blocks [i] = b;
break;
}
}
}
free ((char *) tmp);
}
Memory.InitROM (FALSE);
S9xReset ();
}
void CMemory::InitROM (bool8 Interleaved)
{
#ifndef ZSNES_FX
SuperFX.nRomBanks = CalculatedSize >> 15;
#endif
Settings.MultiPlayer5Master = Settings.MultiPlayer5;
Settings.MouseMaster = Settings.Mouse;
Settings.SuperScopeMaster = Settings.SuperScope;
Settings.DSP1Master = Settings.ForceDSP1;
Settings.SuperFX = FALSE;
Settings.SA1 = FALSE;
Settings.C4 = FALSE;
Settings.SDD1 = FALSE;
Settings.SRTC = FALSE;
ZeroMemory (BlockIsRAM, MEMMAP_NUM_BLOCKS);
ZeroMemory (BlockIsROM, MEMMAP_NUM_BLOCKS);
memset (ROMId, 0, 5);
memset (CompanyId, 0, 3);
if (Memory.HiROM)
{
Memory.SRAMSize = ROM [0xffd8];
strncpy (ROMName, (char *) &ROM[0xffc0], ROM_NAME_LEN - 1);
ROMSpeed = ROM [0xffd5];
ROMType = ROM [0xffd6];
ROMSize = ROM [0xffd7];
ROMChecksum = ROM [0xffde] + (ROM [0xffdf] << 8);
ROMComplementChecksum = ROM [0xffdc] + (ROM [0xffdd] << 8);
memmove (ROMId, &ROM [0xffb2], 4);
memmove (CompanyId, &ROM [0xffb0], 2);
// Try to auto-detect the DSP1 chip
if (!Settings.ForceNoDSP1 &&
(ROMType & 0xf) >= 3 && (ROMType & 0xf0) == 0)
Settings.DSP1Master = TRUE;
Settings.SDD1 = Settings.ForceSDD1;
if ((ROMType & 0xf0) == 0x40){
Settings.SDD1 = !Settings.ForceNoSDD1;
}
if (Settings.BS)
BSHiROMMap ();
else
if ((ROMSpeed & ~0x10) == 0x25)
TalesROMMap (Interleaved);
else
if ((ROMSpeed & ~0x10) == 0x22 &&
strncmp (ROMName, "Super Street Fighter", 20) != 0)
{
AlphaROMMap ();
}
else{
HiROMMap ();
}
}
else
{