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memmap.cpp
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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" {
#ifdef __psp__
#include <kubridge.h>
#endif
#include "cheats.h"
}
#include "apu.h"
#include "sa1.h"
#include "srtc.h"
#include "sdd1.h"
#include "spc7110.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;*/
//add azz 080517
#include "bsx.h"
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");
//ROM_GLOBAL = (uint8 *) malloc(0x8000);
C4RAM = (uint8 *) malloc(0x2000);
sdd1_buffer = (uint8 *) malloc (0x10000);
//DEBUGS("9d");
//try to use storage instead of heap mem
#ifdef __psp__
if(kuKernelGetModel() > 0) {
MAX_ROM_SIZE = 0x1000000;
//ROM_HANDLER = sceKernelAllocPartitionMemory(
// sceKernelDevkitVersion() >> 24 == 6 ? 9 : 8, "ROM", PSP_SMEM_Low, MAX_ROM_SIZE + 0x200 + 0x8000, NULL);
//ROM_GLOBAL = (uint8 *)(ROM_HANDLER <= 0 ? 0 : sceKernelGetBlockHeadAddr(ROM_HANDLER));
ROM_GLOBAL = (uint8 *)0xA000000;
} else
#endif
{
MAX_ROM_SIZE = 0x600000;
ROM_GLOBAL = (uint8 *)malloc(MAX_ROM_SIZE + 0x200 + 0x8000);
}
memset(ROM_GLOBAL, 0, MAX_ROM_SIZE + 0x200 + 0x8000);
ROM = ROM_GLOBAL + 0x8000;
#ifdef _BSX_151_
BSRAM = ROM + 0x400000;
BIOSROM = ROM + 0x300000;
#endif
//DEBUGS("9e");
//ROM_GLOBAL = 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 || /*!ROM_GLOBAL || !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])
{
#ifdef __psp__
msgBoxLines(s9xTYL_msg[ERR_CANNOT_ALLOC_MEM], 30);
pgwaitPress();
#else
S9xMessage(-1,0,"Cannot allocate memory");
#endif
Deinit ();
return (FALSE);
}
// ROM_GLOBAL uses first 32K of ROM image area, otherwise space just
// wasted. Might be read by the SuperFX code.
// ROM_GLOBAL = 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 = ROM_GLOBAL;
#ifdef ZSNES_FX
SFXPlotTable = ROM + 0x400000;
#else
SuperFX.pvRegisters = &ROM_GLOBAL [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_GLOBAL) {
#ifdef __psp__
if(kuKernelGetModel() > 0)
{ROM_GLOBAL = ROM = NULL;}
else
#endif
{free(ROM_GLOBAL);ROM_GLOBAL = ROM = NULL;}
}
//if (ROM_GLOBAL)
//{free((uint8*)ROM_GLOBAL);ROM_GLOBAL = 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;
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);
}
}
void FixMapPSP()
{
return;
for(int i=0;i<MEMMAP_NUM_BLOCKS;i++)
{
if(Map [i]>=(uint8 *)CMemory::MAP_LAST && Memory.BlockIsRAM[i] == TRUE)
Map [i] = (uint8*)((uint) (Map[i])|0x80000000);
}
}
int CMemory::LoadROMMore(int TotalFileSize,int &retry_count)
{
bool8 Interleaved = FALSE;
bool8 Tales = FALSE;
int hi_score = ScoreHiROM (FALSE);
int 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);
#ifdef __psp__
msgBoxLines(s9xTYL_msg[CONV_DONE], 30);
#else
S9xMessage(0,0,"conversion done");
#endif
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)
{
#ifdef __psp__
msgBoxLines(s9xTYL_msg[ROM_LIED], 30);
#else
S9xMessage(0,0,"ROM lied about its type! Trying again.");
#endif
Settings.ForceNotInterleaved = TRUE;
Settings.ForceInterleaved = FALSE;
retry_count++;
//goto again;
return 1;
}
}
}
FreeSDD1Data ();
InitROM (Tales);
return 0;
}
#ifdef _BSX_151_
int CMemory::LoadROMMore_151(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);
ExtendedFormat = NOPE;
// 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);
}
//151
if (CalculatedSize > 0x400000 &&
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x4332 && // exclude S-DD1
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x4532 &&
(ROM[0xffd5] + (ROM[0xffd6] << 8)) != 0xF93a && // exclude SPC7110
(ROM[0xffd5] + (ROM[0xffd6] << 8)) != 0xF53a)
ExtendedFormat = YEAH;
if (ExtendedFormat != NOPE)
{
//int swappedhirom, swappedlorom;
//swappedhirom = ScoreHiROM(FALSE, 0x400000);
//swappedlorom = ScoreLoROM(FALSE, 0x400000);
//// set swapped here
//if (max(swappedlorom, swappedhirom) >= max(lo_score, hi_score))
//{
// ExtendedFormat = BIGFIRST;
// hi_score = swappedhirom;
// lo_score = swappedlorom;
// RomHeader += 0x400000;
//}
//else
ExtendedFormat = SMALLFIRST;
}
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);
#ifdef __psp__
msgBoxLines(s9xTYL_msg[CONV_DONE], 30);
#else
S9xMessage(0,0,"conversion done");
#endif
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)
{
#ifdef __psp__
msgBoxLines(s9xTYL_msg[ROM_LIED], 30);
#else
S9xMessage(0,0,"ROM lied about its type! Trying again.");
#endif
Settings.ForceNotInterleaved = TRUE;
Settings.ForceInterleaved = FALSE;
retry_count++;
//goto again;
return 1;
}
}
}
FreeSDD1Data ();
InitROM (Tales);
return 0;
}
#endif
/**********************************************************************************************/
/* 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];
memset (&SNESGameFixes, 0, sizeof(SNESGameFixes));
SNESGameFixes.SRAMInitialValue = 0x60;
memset (bytes0x2000, 0, 0x2000);
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 = strrchr(rom_filename,'.');
if (p == NULL) return FALSE;
strcpy(ext, p + 1);
#if defined(__WIN32__)
memmove (&ext [0], &ext[1], 4);
#endif
uint32 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;
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, 0, NULL, 0) != UNZ_OK) return FALSE;
p = (char*)(strrchr(snes_file, '.') + 1);
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, s9xTYL_msg[LOADING_ROM], FileSize >> 10);
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++;