PSFINFO *sexy_load(char *path,const char *pathDir,int loop_infinite)
{
PSFINFO *ret;
if( psxInit() < 0 ) return(0);
psxReset();
sexySPUinit();
sexySPUopen();
if(!(ret=LoadPSF(path,0,0,pathDir)))
{
psxShutdown();
return(0);
}
strcpy(save_path,path);
strcpy(save_pathDir,pathDir);
// Taken from aosdk's eng_psf.c file ...
// patch illegal Chocobo Dungeon 2 code - CaitSith2 put a jump in the delay slot from a BNE
// and rely on Highly Experimental's buggy-ass CPU to rescue them. Verified on real hardware
// that the initial code is wrong.
if (ret->game) {
if (!strcmp(ret->game, "Chocobo Dungeon 2")) {
if (psxMu32(0xbc090) == (0x0802f040))
{
psxMemWrite32(0xbc090, 0);
psxMemWrite32(0xbc094, 0x0802f040);
psxMemWrite32(0xbc098, 0);
}
}
}
if(ret->stop==~0) {
ret->fade=10000; // Infinity ? limit to 3 minutes
ret->stop=170000;
}
if (loop_infinite) {
ret->stop=~0;
}
sexysetlength(ret->stop,ret->fade);
ret->length=ret->stop+ret->fade;
return(ret);
}
PSFINFO *sexy_memload(char *addr, int size)
{
PSFINFO *ret;
psxInit();
psxReset();
sexySPUinit();
sexySPUopen();
if(!(ret=memLoadPSF(addr,size,0,0)))
{
psxShutdown();
return(0);
}
// Taken from aosdk's eng_psf.c file ...
// patch illegal Chocobo Dungeon 2 code - CaitSith2 put a jump in the delay slot from a BNE
// and rely on Highly Experimental's buggy-ass CPU to rescue them. Verified on real hardware
// that the initial code is wrong.
if (ret->game) {
if (!strcmp(ret->game, "Chocobo Dungeon 2")) {
if (psxMu32(0xbc090) == (0x0802f040))
{
psxMemWrite32(0xbc090, 0);
psxMemWrite32(0xbc094, 0x0802f040);
psxMemWrite32(0xbc098, 0);
}
}
}
if(ret->stop==~0) ret->fade=0; // Infinity+anything is still infinity...or is it?
setlength(ret->stop,ret->fade);
ret->length=ret->stop+ret->fade;
return(ret);
}
static void write_mem32()
{
memprintf("ari64_write_mem32 %08x, %08x @%08x %u\n", address, word, psxRegs.pc, psxRegs.cycle);
psxMemWrite32(address, word);
}
static PSFINFO *LoadPSF(char *path, int level, int type,const char *pathDir) // Type==1 for just info load.
{
FILE *fp;
u8 *in,*out=0;
u8 head[4];
u32 reserved;
u32 complen;
u32 crc32;
uLongf outlen;
PSFINFO *psfi=NULL;
PSFINFO *tmpi=NULL;
u32 offset, plength;
sexypsf_missing_psflib=0;
#ifdef DEBUG
fprintf(stderr, "Searching (%s)\n", path);
#endif
fp=fopen(path,"rb");
if(!fp) return 0;
fread(head,1,4,fp);
if(memcmp(head,"PSF\x01",4)) return(0);
psfi=malloc(sizeof(PSFINFO));
if( psfi == NULL ) return(0);
memset(psfi,0,sizeof(PSFINFO));
psfi->stop=~0;
psfi->fade=0;
fread(&reserved,1,4,fp);
fread(&complen,1,4,fp);
complen=BFLIP32(complen);
fread(&crc32,1,4,fp);
crc32=BFLIP32(crc32);
#ifdef DEBUG
fprintf(stderr, "CRC32 = 0x%x\n", crc32);
#endif
fseek(fp,reserved,SEEK_CUR);
if(type)
fseek(fp,complen,SEEK_CUR);
else {
in=malloc(complen);
if( !in ) return(0);
out=malloc(1024*1024*2+0x800);
if( !out ) {
free(in);
return(0);
}
fread(in,1,complen,fp);
outlen=1024*1024*2;
uncompress(out,&outlen,in,complen);
free(in);
psxRegs->pc = out[0x10] | out[0x11]<<8 | out[0x12]<<16 | out[0x13]<<24;
psxRegs->GPR.n.gp = out[0x14] | out[0x15]<<8 | out[0x16]<<16 | out[0x17]<<24;
psxRegs->GPR.n.sp = out[0x30] | out[0x31]<<8 | out[0x32]<<16 | out[0x33]<<24;
if (psxRegs->GPR.n.sp == 0) psxRegs->GPR.n.sp = 0x801fff00;
#ifdef DEBUG
fprintf(stderr, "%d Level: PC %x GP %x SP %x\n",
level, psxRegs->pc, psxRegs->GPR.n.gp, psxRegs->GPR.n.sp);
#endif
if(level) {
offset = out[0x18] | out[0x19]<<8 | out[0x1a]<<16 | out[0x1b]<<24;
offset &= 0x3fffffff; // kill any MIPS cache segment indicators
plength = out[0x1c] | out[0x1d]<<8 | out[0x1e]<<16 | out[0x1f]<<24;
#ifdef DEBUG
fprintf(stderr, "%d Level: offset %x plength: %d [%d]\n", level, offset, plength, plength);
#endif
LoadPSXMem(offset,plength,(char*)out+0x800);
free(out);
// I don't really know how does this
// work, but apparently it breaks the
// loop that makes ff6 and ct to take
// several seconds to start ...
if( crc32 == 0xEFDE8EEE || crc32 == 0x545D9F65 )
psxMemWrite32(0x5A66C, 0);
// Same as above for Popolocrois
if( crc32 == 0xF535726 )
psxMemWrite32(0x5A990, 0);
}
}
{
u8 tagdata[5];
if(fread(tagdata,1,5,fp)==5) {
if(!memcmp(tagdata,"[TAG]",5)) {
char linebuf[1024];
while(fgets(linebuf,1024,fp)>0) {
int x;
char *key=0,*value=0;
if(!GetKeyVal(linebuf,&key,&value)) {
if(key) free(key);
if(value) free(value);
continue;
}
AddKV(&psfi->tags,key,value);
if(!level) {
static char *yoinks[8]={"title","artist","game","year","genre",
"copyright","psfby","comment"};
char **yoinks2[8]={&psfi->title,&psfi->artist,&psfi->game,&psfi->year,&psfi->genre,
&psfi->copyright,&psfi->psfby,&psfi->comment};
for(x=0;x<8;x++)
if(!strcasecmp(key,yoinks[x]))
*yoinks2[x]=value;
if(!strcasecmp(key,"length"))
psfi->stop=TimeToMS(value);
else if(!strcasecmp(key,"fade"))
psfi->fade=TimeToMS(value);
}
if(!strcasecmp(key,"_lib") && !type) {
char *tmpfn;
/* Load file name "value" from the directory specified in
the full path(directory + file name) "path"
*/
//printf("yo %s\nya %s\nyu%s\n",path,value,pathDir);
tmpfn=GetFileWithBase(path,value,pathDir);
//printf("ru: %s\n",tmpfn);
if(!(tmpi=LoadPSF(tmpfn,level+1,0,pathDir))) {
//free(key);
//free(value);
sexypsf_missing_psflib=1;
strcpy(sexypsf_psflib_str,value);
free(tmpfn);
if(!level) free(out);
fclose(fp);
FreeTags(psfi->tags);
free(psfi);
return(0);
}
FreeTags(tmpi->tags);
free(tmpi);
free(tmpfn);
}
}
}
}
}
fclose(fp);
/* Now, if we're at level 0(main PSF), load the main executable, and any libN stuff */
if(!level && !type) {
offset = out[0x18] | out[0x19]<<8 | out[0x1a]<<16 | out[0x1b]<<24;
offset &= 0x3fffffff; // kill any MIPS cache segment indicators
plength = out[0x1c] | out[0x1d]<<8 | out[0x1e]<<16 | out[0x1f]<<24;
// TODO - investigate: should i just make
// plength = outlen-0x800?
// Philosoma has an illegal "plength". *sigh*
if (plength > (outlen-0x800))
{
plength = outlen-0x800;
}
if( psfi->game ) {
// Suikoden Tenmei has an illegal "plength". *sigh sigh*
if( !strncmp(psfi->game, "Suikoden: Tenmei no Chikai", 26) ) {
plength = outlen-0x800;
}
// Einhänder has an illegal "plength". *sigh sigh sigh*
if( !strncmp(psfi->game, "Einhänder", 9) ) {
plength = outlen-0x800;
}
}
#ifdef DEBUG
fprintf(stderr, "%d Level: offset %x plength: %d [%d]\n", level, offset, plength, outlen-2048);
#endif
LoadPSXMem(offset,plength,(char*)out+0x800);
free(out);
}
if(!type) /* Load libN */{
LIBNCACHE *cache;
PSFTAG *tag;
unsigned int libncount=0;
unsigned int cur=0;
tag=psfi->tags;
while(tag) {
if(!strncasecmp(tag->key,"_lib",4) && tag->key[4])
libncount++;
tag=tag->next;
}
if(libncount) {
cache=malloc(sizeof(LIBNCACHE)*libncount);
tag=psfi->tags;
while(tag) {
if(!strncasecmp(tag->key,"_lib",4) && tag->key[4]) {
cache[cur].num=atoi(&tag->key[4]);
cache[cur].value=tag->value;
cur++;
}
tag=tag->next;
}
qsort(cache, libncount, sizeof(LIBNCACHE), ccomp);
for(cur=0;cur<libncount;cur++) {
u32 ba[3];
char *tmpfn;
if(cache[cur].num < 2) continue;
ba[0]=psxRegs->pc;
ba[1]=psxRegs->GPR.n.gp;
ba[2]=psxRegs->GPR.n.sp;
/* Load file name "value" from the directory specified in
the full path(directory + file name) "path"
*/
tmpfn=GetFileWithBase(path,cache[cur].value,pathDir);
if(!(tmpi=LoadPSF(tmpfn,level+1,0,pathDir))) {
//free(key);
//free(value);
//free(tmpfn);
//fclose(fp);
//return(0);
} else {
FreeTags(tmpi->tags);
free(tmpi);
}
free(tmpfn);
psxRegs->pc=ba[0];
psxRegs->GPR.n.gp=ba[1];
psxRegs->GPR.n.sp=ba[2];
}
free(cache);
} // if(libncount)
} // if(!type)
return(psfi);
}
// LoadPSF for Memory
static PSFINFO *memLoadPSF(char *addr, long size, int level, int type) // Type==1 for just info load.
{
u8 *in,*out=0;
u8 head[4];
u32 reserved;
u32 complen;
u32 crc32;
uLongf outlen;
PSFINFO *psfi=NULL;
PSFINFO *tmpi=NULL;
u32 poffset, plength;
u32 offset = 0;
if( addr == NULL || size == 0 ) return(0);
memread((void*)(head), 4, addr, size, &offset);
if(memcmp(head,"PSF\x01",4)) return(0);
psfi=malloc(sizeof(PSFINFO));
memset(psfi,0,sizeof(PSFINFO));
psfi->stop=~0;
psfi->fade=0;
memread((void*)(&reserved), 4, addr, size, &offset);
memread((void*)(&complen), 4, addr, size, &offset);
complen=BFLIP32(complen);
memread((void*)(&crc32), 4, addr, size, &offset);
crc32=BFLIP32(crc32);
memseek(reserved, size, &offset);
if(type) {
memseek(complen, size, &offset);
}
else {
in=malloc(complen);
out=malloc(1024*1024*2+0x800);
if( !in || !out ) { free(psfi); return (0); }
memread((void*)(in), complen, addr, size, &offset);
outlen=1024*1024*2;
uncompress(out,&outlen,in,complen);
free(in);
psxRegs->pc = out[0x10] | out[0x11]<<8 | out[0x12]<<16 | out[0x13]<<24;
psxRegs->GPR.n.gp = out[0x14] | out[0x15]<<8 | out[0x16]<<16 | out[0x17]<<24;
psxRegs->GPR.n.sp = out[0x30] | out[0x31]<<8 | out[0x32]<<16 | out[0x33]<<24;
if (psxRegs->GPR.n.sp == 0) psxRegs->GPR.n.sp = 0x801fff00;
#ifdef DEBUG
fprintf(stderr, "%d Level: PC %x GP %x SP %x\n",
level, psxRegs->pc, psxRegs->GPR.n.gp, psxRegs->GPR.n.sp);
#endif
if(level) {
poffset = out[0x18] | out[0x19]<<8 | out[0x1a]<<16 | out[0x1b]<<24;
poffset &= 0x3fffffff; // kill any MIPS cache segment indicators
plength = out[0x1c] | out[0x1d]<<8 | out[0x1e]<<16 | out[0x1f]<<24;
#ifdef DEBUG
fprintf(stderr, "%d Level: offset %x plength: %d\n", level, poffset, plength);
#endif
LoadPSXMem(poffset,plength,out+0x800);
free(out);
// I don't really know how does this
// work, but apparently it breaks the
// loop that makes ff6 and ct to take
// several seconds to start ...
if( crc32 == 0xEFDE8EEE || crc32 == 0x545D9F65 )
psxMemWrite32(0x5A66C, 0);
// Same as above for Popolocrois and Einhänder
if( crc32 == 0xF535726 )
psxMemWrite32(0x5A990, 0);
}
}
{
u8 tagdata[5];
if( memread((void*)(tagdata), 5, addr, size, &offset) == 5 ) {
if(!memcmp(tagdata,"[TAG]",5)) {
char linebuf[1024];
while( memfgets(linebuf, 1024, addr, size, &offset)>0 ) {
int x;
char *key=0,*value=0;
if(!GetKeyVal(linebuf,&key,&value)) {
if(key) free(key);
if(value) free(value);
continue;
}
AddKV(&psfi->tags,key,value);
if(!level) {
static char *yoinks[8]={"title","artist","game","year","genre",
"copyright","psfby","comment"};
char **yoinks2[8]={&psfi->title,&psfi->artist,&psfi->game,&psfi->year,&psfi->genre,
&psfi->copyright,&psfi->psfby,&psfi->comment};
for(x=0;x<8;x++)
if(!strcasecmp(key,yoinks[x]))
*yoinks2[x]=value;
if(!strcasecmp(key,"length"))
psfi->stop=TimeToMS(value);
else if(!strcasecmp(key,"fade"))
psfi->fade=TimeToMS(value);
}
if(!strcasecmp(key,"_lib") && !type && __psflibs) {
/* Search file name "value" from the __psflibs array */
int n, found = 0;
for(n=0;n<__psflibs->count;n++)
if( !strcasecmp(value, __psflibs->libn[n].name) ) {
found = 1;
break;
}
if(!found || !(tmpi=memLoadPSF(__psflibs->libn[n].addr, __psflibs->libn[n].size, level+1,0))) {
free(key);
free(value);
if(!level) free(out);
FreeTags(psfi->tags);
free(psfi);
return(0);
}
FreeTags(tmpi->tags);
free(tmpi);
}
}
}
}
}
/* Now, if we're at level 0(main PSF), load the main executable, and any libN stuff*/
if(!level && !type) {
poffset = out[0x18] | out[0x19]<<8 | out[0x1a]<<16 | out[0x1b]<<24;
poffset &= 0x3fffffff; // kill any MIPS cache segment indicators
plength = out[0x1c] | out[0x1d]<<8 | out[0x1e]<<16 | out[0x1f]<<24;
// TODO - investigate: should i just make
// plength = outlen-0x800?
// Philosoma has an illegal "plength". *sigh*
if (plength > (outlen-0x800))
{
plength = outlen-0x800;
}
if( psfi->game ) {
// Suikoden Tenmei has an illegal "plength". *sigh sigh*
if( !strncmp(psfi->game, "Suikoden: Tenmei no Chikai", 26) ) {
plength = outlen-0x800;
}
// Einhänder has an illegal "plength". *sigh sigh sigh*
if( !strncmp(psfi->game, "Einhänder", 9) ) {
plength = outlen-0x800;
}
}
#ifdef DEBUG
fprintf(stderr, "%d Level: offset %x plength: %d\n", level, poffset, plength);
#endif
LoadPSXMem(poffset,plength,out+0x800);
free(out);
}
if(!type && __psflibs) /* Load libN */ {
LIBNCACHE *cache;
PSFTAG *tag;
unsigned int libncount=0;
unsigned int cur=0;
tag=psfi->tags;
while(tag) {
if(!strncasecmp(tag->key,"_lib",4) && tag->key[4])
libncount++;
tag=tag->next;
}
if(libncount) {
cache=malloc(sizeof(LIBNCACHE)*libncount);
tag=psfi->tags;
while(tag) {
if(!strncasecmp(tag->key,"_lib",4) && tag->key[4]) {
cache[cur].num=atoi(&tag->key[4]);
cache[cur].value=tag->value;
cur++;
}
tag=tag->next;
}
qsort(cache, libncount, sizeof(LIBNCACHE), ccomp);
for(cur=0;cur<libncount;cur++) {
u32 ba[3];
if(cache[cur].num < 2) continue;
ba[0]=psxRegs->pc;
ba[1]=psxRegs->GPR.n.gp;
ba[2]=psxRegs->GPR.n.sp;
/* Search file name "value" from the __psflibs array */
int n, found = 0;
for(n=0;n<__psflibs->count;n++)
if( !strcasecmp(cache[cur].value, __psflibs->libn[n].name) ) {
found = 1;
break;
}
if(!found || !(tmpi=memLoadPSF(__psflibs->libn[n].addr,__psflibs->libn[n].size,level+1,0))) {
//free(key);
//free(value);
//free(tmpfn);
//fclose(fp);
//return(0);
}
FreeTags(tmpi->tags);
free(tmpi);
psxRegs->pc=ba[0];
psxRegs->GPR.n.gp=ba[1];
psxRegs->GPR.n.sp=ba[2];
}
free(cache);
} // if(libncount)
} // if(!type)
return(psfi);
}
