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memmap.cpp
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/*******************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson ([email protected]) and
Jerremy Koot ([email protected])
(c) Copyright 2001 - 2004 John Weidman ([email protected])
(c) Copyright 2002 - 2004 Brad Jorsch ([email protected]),
funkyass ([email protected]),
Joel Yliluoma (http://iki.fi/bisqwit/)
Kris Bleakley ([email protected]),
Matthew Kendora,
Nach ([email protected]),
Peter Bortas ([email protected]) and
zones ([email protected])
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 zsKnight ([email protected]),
_Demo_ ([email protected]), and Nach
C4 C++ code
(c) Copyright 2003 Brad Jorsch
DSP-1 emulator code
(c) Copyright 1998 - 2004 Ivar ([email protected]), _Demo_, Gary Henderson,
John Weidman, neviksti ([email protected]),
Kris Bleakley, Andreas Naive
DSP-2 emulator code
(c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and
Lord Nightmare ([email protected]
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight, pagefault ([email protected]) and
Kris Bleakley
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code
(c) Copyright 2002 Matthew Kendora with research by
zsKnight, John Weidman, and Dark Force
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive and John Weidman
S-RTC C emulator code
(c) Copyright 2001 John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt ([email protected])
Specific ports 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.
*******************************************************************************/
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
//you would think everyone would have these
//since they're so useful.
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#endif
static uint8 bytes0x2000 [0x2000];
void S9xDeinterleaveType2 (bool8 reset=TRUE);
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);
}
const uint32 crc32Table[256] = {
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
void S9xDeinterleaveType1(int TotalFileSize, uint8 * base)
{
int i;
int nblocks = TotalFileSize >> 16;
uint8 blocks [256];
for (i = 0; i < nblocks; i++)
{
blocks [i * 2] = i + nblocks;
blocks [i * 2 + 1] = i;
}
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)
{
memmove (tmp, &base [blocks [j] * 0x8000], 0x8000);
memmove (&base [blocks [j] * 0x8000],
&base [blocks [i] * 0x8000], 0x8000);
memmove (&base [blocks [i] * 0x8000], tmp, 0x8000);
uint8 b = blocks [j];
blocks [j] = blocks [i];
blocks [i] = b;
break;
}
}
}
free ((char *) tmp);
}
}
void S9xDeinterleaveGD24(int TotalFileSize, uint8 * base)
{
if(TotalFileSize!=0x300000)
return;
uint8 *tmp = (uint8 *) malloc (0x80000);
if (tmp)
{
memmove(tmp, &base[0x180000], 0x80000);
memmove(&base[0x180000], &base[0x200000], 0x80000);
memmove(&base[0x200000], &base[0x280000], 0x80000);
memmove(&base[0x280000], tmp, 0x80000);
free ((char *) tmp);
S9xDeinterleaveType1(TotalFileSize, base);
}
}
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, int32 romoff)
{
int score = 0;
int o = skip_header ? 0xff00 + 0x200 : 0xff00;
o+=romoff;
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, int32 romoff)
{
int score = 0;
int o = skip_header ? 0x7f00 + 0x200 : 0x7f00;
o+=romoff;
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;
// Optimizations: Save a copy of the memory map address in the CPU global variable
CPU.MemoryMap = Map;
CPU.MemoryWriteMap = this->WriteMap;
CPU.MemorySpeed = this->MemorySpeed;
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);
//uint8* RomHeader=ROM;
ExtendedFormat=NOPE;
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");
//modifying ROM, so we need to rescore
hi_score = ScoreHiROM (FALSE);
lo_score = ScoreLoROM (FALSE);
}
CalculatedSize = (TotalFileSize / 0x2000) * 0x2000;
ZeroMemory (ROM + CalculatedSize, MAX_ROM_SIZE - CalculatedSize);
if (CalculatedSize > 0x400000 &&
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x3423 && // exclude SA-1
(ROM[0x7fd5] + (ROM[0x7fd6] << 8)) != 0x3523 &&
(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)
{
//you might be a Jumbo!
ExtendedFormat=YEAH;
}
//If both vectors are invalid, it's type 1 LoROM
if(ExtendedFormat==NOPE&&((ROM[0x7FFC]|(ROM[0x7FFD]<<8))<0x8000)&&((ROM[0xFFFC]|(ROM[0xFFFD]<<8)) <0x8000))
{
if(!Settings.ForceInterleaved)
S9xDeinterleaveType1(TotalFileSize, ROM);
}
//CalculatedSize is now set, so rescore
hi_score = ScoreHiROM (FALSE);
lo_score = ScoreLoROM (FALSE);
if(ExtendedFormat!=NOPE)
{
int swappedlorom, swappedhirom;
swappedlorom=ScoreLoROM(FALSE, 0x400000);
swappedhirom=ScoreHiROM(FALSE, 0x400000);
//set swapped here.
if(max(swappedlorom, swappedhirom) >= max(lo_score, hi_score))
{
ExtendedFormat = BIGFIRST;
hi_score=swappedhirom;
lo_score=swappedlorom;
//RomHeader=ROM+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:
Interleaved = TRUE;
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;
}
// this two games fail to be detected
if (!Settings.ForceHiROM && !Settings.ForceLoROM)
{
if (strncmp((char *) &ROM[0x7fc0], "YUYU NO QUIZ DE GO!GO!", 22) == 0 ||
(strncmp((char *) &ROM[0xffc0], "BATMAN--REVENGE JOKER", 21) == 0))
{
LoROM = TRUE;
HiROM = FALSE;
Interleaved = FALSE;
Tales = FALSE;
}
}
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)
{
CPU.TriedInterleavedMode2 = TRUE;
S9xMessage(0,0,"interleaved ROM");
if (Tales)
{
if(Memory.ExtendedFormat==BIGFIRST)
{
S9xDeinterleaveType1(0x400000, ROM);
S9xDeinterleaveType1(CalculatedSize-0x400000, ROM+0x400000);
}
else
{
S9xDeinterleaveType1(CalculatedSize-0x400000, ROM);
S9xDeinterleaveType1(0x400000, ROM+CalculatedSize-0x400000);
}
LoROM = FALSE;
HiROM = TRUE;
}
else if (Settings.ForceInterleaved2)
{
S9xDeinterleaveType2(FALSE);
}
else if (Settings.ForceInterleaveGD24 && CalculatedSize ==0x300000)
{
bool8 t = LoROM;
LoROM = HiROM;
HiROM = t;
S9xDeinterleaveGD24(CalculatedSize, ROM);
}
else
{
bool8 t = LoROM;
LoROM = HiROM;
HiROM = t;
S9xDeinterleaveType1(CalculatedSize, ROM);
}
#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;
}
}
}
if(ExtendedFormat==SMALLFIRST)
Tales=true;
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;