mirror of
https://github.com/PCSX2/pcsx2.git
synced 2025-04-02 10:52:54 -04:00
df521ae24f
git-svn-id: http://pcsx2.googlecode.com/svn/branches/pcsx2_0.9.4@186 96395faa-99c1-11dd-bbfe-3dabce05a288
422 lines
9.4 KiB
C
422 lines
9.4 KiB
C
/* Pcsx2 - Pc Ps2 Emulator
|
|
* Copyright (C) 2002-2003 Pcsx2 Team
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
//
|
|
// Includes
|
|
//
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "PsxCommon.h"
|
|
|
|
#ifdef _WIN32
|
|
#include "windows/cheats/cheats.h"
|
|
#endif
|
|
|
|
#include "Patch.h"
|
|
|
|
int g_ZeroGSOptions=0;
|
|
|
|
//
|
|
// Variables
|
|
//
|
|
PatchTextTable commands[] =
|
|
{
|
|
{ "comment", 1, patchFunc_comment },
|
|
{ "gametitle", 2, patchFunc_gametitle },
|
|
{ "patch", 3, patchFunc_patch },
|
|
{ "fastmemory", 4, patchFunc_fastmemory }, // enable for faster but bugger mem (mvc2 is faster)
|
|
{ "roundmode", 5, patchFunc_roundmode }, // changes rounding mode for floating point
|
|
// syntax: roundmode=X,Y
|
|
// possible values for X,Y: NEAR, DOWN, UP, CHOP
|
|
// X - EE rounding mode (default is NEAR)
|
|
// Y - VU rounding mode (default is CHOP)
|
|
{ "zerogs", 6, patchFunc_zerogs }, // zerogs=hex
|
|
{ "path3hack", 7, patchFunc_path3hack },
|
|
{ "", 0, NULL }
|
|
};
|
|
|
|
PatchTextTable dataType[] =
|
|
{
|
|
{ "byte", 1, NULL },
|
|
{ "short", 2, NULL },
|
|
{ "word", 3, NULL },
|
|
{ "double", 4, NULL },
|
|
{ "", 0, NULL }
|
|
};
|
|
|
|
PatchTextTable cpuCore[] =
|
|
{
|
|
{ "EE", 1, NULL },
|
|
{ "IOP", 2, NULL },
|
|
{ "", 0, NULL }
|
|
};
|
|
|
|
IniPatch patch[ MAX_PATCH ];
|
|
int patchnumber;
|
|
|
|
|
|
//
|
|
// Function Implementations
|
|
//
|
|
|
|
int PatchTableExecute( char * text1, char * text2, PatchTextTable * Table )
|
|
{
|
|
int i = 0;
|
|
|
|
while ( Table[ i ].text[ 0 ] )
|
|
{
|
|
if ( !strcmp( Table[ i ].text, text1 ) )
|
|
{
|
|
if ( Table[ i ].func )
|
|
{
|
|
Table[ i ].func( text1, text2 );
|
|
}
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
return Table[ i ].code;
|
|
}
|
|
|
|
void _applypatch(int place, IniPatch *p) {
|
|
if (p->placetopatch != place) return;
|
|
|
|
if (p->enabled == 0) return;
|
|
|
|
if (p->cpu == 1) { //EE
|
|
if (p->type == 1) { //byte
|
|
memWrite8(p->addr, (u8)p->data);
|
|
} else
|
|
if (p->type == 2) { //short
|
|
memWrite16(p->addr, (u16)p->data);
|
|
} else
|
|
if (p->type == 3) { //word
|
|
memWrite32(p->addr, (u32)p->data);
|
|
} else
|
|
if (p->type == 4) { //double
|
|
memWrite64(p->addr, p->data);
|
|
}
|
|
} else
|
|
if (p->cpu == 2) { //IOP
|
|
if (p->type == 1) { //byte
|
|
psxMemWrite8(p->addr, (u8)p->data);
|
|
} else
|
|
if (p->type == 2) { //short
|
|
psxMemWrite16(p->addr, (u16)p->data);
|
|
} else
|
|
if (p->type == 3) { //word
|
|
psxMemWrite32(p->addr, (u32)p->data);
|
|
}
|
|
}
|
|
}
|
|
|
|
//this is for apply patches directly to memory
|
|
void applypatch(int place) {
|
|
int i;
|
|
|
|
if (place == 0) {
|
|
SysPrintf(" patchnumber: %d\n", patchnumber);
|
|
}
|
|
|
|
for ( i = 0; i < patchnumber; i++ ) {
|
|
_applypatch(place, &patch[i]);
|
|
}
|
|
}
|
|
|
|
void patchFunc_comment( char * text1, char * text2 )
|
|
{
|
|
SysPrintf( "comment: %s \n", text2 );
|
|
}
|
|
|
|
char strgametitle[256] = {0};
|
|
|
|
void patchFunc_gametitle( char * text1, char * text2 )
|
|
{
|
|
SysPrintf( "gametitle: %s \n", text2 );
|
|
#ifdef _WIN32
|
|
sprintf(strgametitle,"%s",text2);
|
|
if (gApp.hConsole) SetConsoleTitle(strgametitle);
|
|
#endif
|
|
}
|
|
|
|
extern int RunExe;
|
|
|
|
void patchFunc_patch( char * cmd, char * param )
|
|
{
|
|
//patch=placetopatch,cpucore,address,type,data
|
|
char * pText;
|
|
|
|
if ( patchnumber >= MAX_PATCH )
|
|
{
|
|
SysPrintf( "Patch ERROR: Maximum number of patches reached: %s=%s\n", cmd, param );
|
|
return;
|
|
}
|
|
|
|
pText = strtok( param, "," );
|
|
pText = param;
|
|
// inifile_trim( pText );
|
|
|
|
if(RunExe == 1) patch[ patchnumber ].placetopatch = 1;
|
|
else patch[ patchnumber ].placetopatch = strtol( pText, (char **)NULL, 0 );
|
|
|
|
pText = strtok( NULL, "," );
|
|
inifile_trim( pText );
|
|
patch[ patchnumber ].cpu = PatchTableExecute( pText, NULL, cpuCore );
|
|
if ( patch[ patchnumber ].cpu == 0 )
|
|
{
|
|
SysPrintf( "Unrecognized patch '%s'\n", pText );
|
|
return;
|
|
}
|
|
|
|
pText = strtok( NULL, "," );
|
|
inifile_trim( pText );
|
|
sscanf( pText, "%X", &patch[ patchnumber ].addr );
|
|
|
|
pText = strtok( NULL, "," );
|
|
inifile_trim( pText );
|
|
patch[ patchnumber ].type = PatchTableExecute( pText, NULL, dataType );
|
|
if ( patch[ patchnumber ].type == 0 )
|
|
{
|
|
SysPrintf( "Unrecognized patch '%s'\n", pText );
|
|
return;
|
|
}
|
|
|
|
pText = strtok( NULL, "," );
|
|
inifile_trim( pText );
|
|
sscanf( pText, "%I64X", &patch[ patchnumber ].data );
|
|
|
|
patch[ patchnumber ].enabled = 1;
|
|
|
|
patchnumber++;
|
|
}
|
|
|
|
//this routine is for execute the commands of the ini file
|
|
void inifile_command( char * cmd )
|
|
{
|
|
int code;
|
|
char command[ 256 ];
|
|
char parameter[ 256 ];
|
|
|
|
// extract param part (after '=')
|
|
char * pEqual = strchr( cmd, '=' );
|
|
|
|
if ( ! pEqual )
|
|
{
|
|
// fastmemory doesn't have =
|
|
pEqual = cmd+strlen(cmd);
|
|
// SysPrintf( "Ini file ERROR: unknow line: %s \n", cmd );
|
|
// return;
|
|
}
|
|
|
|
memset( command, 0, sizeof( command ) );
|
|
memset( parameter, 0, sizeof( parameter ) );
|
|
|
|
strncpy( command, cmd, pEqual - cmd );
|
|
strncpy( parameter, pEqual + 1, sizeof( parameter ) );
|
|
|
|
inifile_trim( command );
|
|
inifile_trim( parameter );
|
|
|
|
code = PatchTableExecute( command, parameter, commands );
|
|
}
|
|
|
|
void inifile_trim( char * buffer )
|
|
{
|
|
char * pInit = buffer;
|
|
char * pEnd = NULL;
|
|
|
|
while ( ( *pInit == ' ' ) || ( *pInit == '\t' ) ) //skip space
|
|
{
|
|
pInit++;
|
|
}
|
|
if ( ( pInit[ 0 ] == '/' ) && ( pInit[ 1 ] == '/' ) ) //remove comment
|
|
{
|
|
buffer[ 0 ] = '\0';
|
|
return;
|
|
}
|
|
pEnd = pInit + strlen( pInit ) - 1;
|
|
if ( pEnd <= pInit )
|
|
{
|
|
buffer[ 0 ] = '\0';
|
|
return;
|
|
}
|
|
while ( ( *pEnd == '\r' ) || ( *pEnd == '\n' ) ||
|
|
( *pEnd == ' ' ) || ( *pEnd == '\t' ) )
|
|
{
|
|
pEnd--;
|
|
}
|
|
if ( pEnd <= pInit )
|
|
{
|
|
buffer[ 0 ] = '\0';
|
|
return;
|
|
}
|
|
memmove( buffer, pInit, pEnd - pInit + 1 );
|
|
buffer[ pEnd - pInit + 1 ] = '\0';
|
|
}
|
|
|
|
void inisection_process( FILE * f1 )
|
|
{
|
|
char buffer[ 1024 ];
|
|
while( fgets( buffer, sizeof( buffer ), f1 ) )
|
|
{
|
|
inifile_trim( buffer );
|
|
if ( buffer[ 0 ] )
|
|
{
|
|
inifile_command( buffer );
|
|
}
|
|
}
|
|
}
|
|
|
|
//this routine is for reading the ini file
|
|
|
|
void inifile_read( char * name )
|
|
{
|
|
FILE * f1;
|
|
char buffer[ 1024 ];
|
|
|
|
patchnumber = 0;
|
|
#ifdef _WIN32
|
|
sprintf( buffer, "patches\\%s.pnach", name );
|
|
#else
|
|
sprintf( buffer, "patches/%s.pnach", name );
|
|
#endif
|
|
|
|
f1 = fopen( buffer, "rt" );
|
|
|
|
#ifndef _WIN32
|
|
if( !f1 ) {
|
|
// try all upper case because linux is case sensitive
|
|
char* pstart = buffer+8;
|
|
char* pend = buffer+strlen(buffer);
|
|
while(pstart != pend ) {
|
|
// stop at the first . since we only want to update the hex
|
|
if( *pstart == '.' )
|
|
break;
|
|
*pstart++ = toupper(*pstart);
|
|
}
|
|
|
|
f1 = fopen(buffer, "rt");
|
|
}
|
|
#endif
|
|
|
|
if( !f1 )
|
|
{
|
|
SysPrintf( _( "patch file for this game not found. Can't apply any patches\n" ));
|
|
return;
|
|
}
|
|
|
|
inisection_process( f1 );
|
|
|
|
fclose( f1 );
|
|
}
|
|
|
|
void resetpatch( void )
|
|
{
|
|
patchnumber = 0;
|
|
}
|
|
|
|
int AddPatch(int Mode, int Place, int Address, int Size, u64 data)
|
|
{
|
|
|
|
if ( patchnumber >= MAX_PATCH )
|
|
{
|
|
SysPrintf( "Patch ERROR: Maximum number of patches reached.\n");
|
|
return -1;
|
|
}
|
|
|
|
if(RunExe == 1) patch[patchnumber].placetopatch = 1;
|
|
else patch[patchnumber].placetopatch = Mode;
|
|
patch[patchnumber].cpu = Place;
|
|
patch[patchnumber].addr=Address;
|
|
patch[patchnumber].type=Size;
|
|
patch[patchnumber].data = data;
|
|
return patchnumber++;
|
|
}
|
|
|
|
void patchFunc_fastmemory( char * cmd, char * param )
|
|
{
|
|
#ifndef PCSX2_NORECBUILD
|
|
// only valid for recompilers
|
|
SetFastMemory(1);
|
|
#endif
|
|
}
|
|
|
|
extern int path3hack;
|
|
void patchFunc_path3hack( char * cmd, char * param )
|
|
{
|
|
path3hack = 1;
|
|
}
|
|
|
|
void patchFunc_roundmode( char * cmd, char * param )
|
|
{
|
|
//roundmode = X,Y
|
|
int index;
|
|
char * pText;
|
|
|
|
u32 eetype=0x0000;
|
|
u32 vutype=0x6000;
|
|
|
|
index = 0;
|
|
pText = strtok( param, ", " );
|
|
while(pText != NULL) {
|
|
u32 type = 0xffff;
|
|
if( stricmp(pText, "near") == 0 ) {
|
|
type = 0x0000;
|
|
}
|
|
else if( stricmp(pText, "down") == 0 ) {
|
|
type = 0x2000;
|
|
}
|
|
else if( stricmp(pText, "up") == 0 ) {
|
|
type = 0x4000;
|
|
}
|
|
else if( stricmp(pText, "chop") == 0 ) {
|
|
type = 0x6000;
|
|
}
|
|
|
|
if( type == 0xffff ) {
|
|
printf("bad argument (%s) to round mode! skipping...\n", pText);
|
|
break;
|
|
}
|
|
|
|
if( index == 0 ) eetype=type;
|
|
else vutype=type;
|
|
|
|
if( index == 1 )
|
|
break;
|
|
|
|
index++;
|
|
pText = strtok(NULL, ", ");
|
|
}
|
|
|
|
SetRoundMode(eetype,vutype);
|
|
}
|
|
|
|
void patchFunc_zerogs(char* cmd, char* param)
|
|
{
|
|
sscanf(param, "%x", &g_ZeroGSOptions);
|
|
}
|
|
|
|
void SetRoundMode(u32 ee, u32 vu)
|
|
{
|
|
// don't set a state for interpreter only
|
|
#ifndef PCSX2_NORECBUILD
|
|
SetCPUState(0x9f80|ee, 0x9f80|vu);
|
|
#endif
|
|
}
|