EXPORT_C_(s32) SPU2init()
{
#define MAKESURE(a,b) \
/*fprintf(stderr,"%08p: %08p == %08p\n",&(regtable[a>>1]),regtable[a>>1],U16P(b));*/ \
assert(regtable[(a)>>1]==U16P(b))
MAKESURE(0x800,zero);
s32 c=0,v=0;
ReadSettings();
#ifdef SPU2_LOG
if(AccessLog())
{
spu2Log = _wfopen( AccessLogFileName, _T("w") );
setvbuf(spu2Log, NULL, _IONBF, 0);
FileLog("SPU2init\n");
}
#endif
srand((unsigned)time(NULL));
disableFreezes=false;
if (spu2init)
{
ConLog( " * SPU2: Already initialized - Ignoring SPU2init signal." );
return 0;
}
spu2init=true;
spu2regs = (short*)malloc(0x010000);
_spu2mem = (short*)malloc(0x200000);
// adpcm decoder cache:
// the cache data size is determined by taking the number of adpcm blocks
// (2MB / 16) and multiplying it by the decoded block size (28 samples).
// Thus: pcm_cache_data = 7,340,032 bytes (ouch!)
// Expanded: 16 bytes expands to 56 bytes [3.5:1 ratio]
// Resulting in 2MB * 3.5.
pcm_cache_data = (PcmCacheEntry*)calloc( pcm_BlockCount, sizeof(PcmCacheEntry) );
if( (spu2regs == NULL) || (_spu2mem == NULL) ||
(pcm_cache_data == NULL) )
{
SysMessage("SPU2: Error allocating Memory\n"); return -1;
}
for(int mem=0;mem<0x800;mem++)
{
u16 *ptr=regtable[mem>>1];
if(!ptr) {
regtable[mem>>1] = &(spu2Ru16(mem));
}
}
EXPORT_C_(s32) SPU2init()
{
assert( regtable[0x400] == NULL );
if (IsInitialized)
{
printf( " * SPU2-X: Already initialized - Ignoring SPU2init signal." );
return 0;
}
IsInitialized = true;
ReadSettings();
#ifdef SPU2_LOG
if(AccessLog())
{
spu2Log = OpenLog( AccessLogFileName );
setvbuf(spu2Log, NULL, _IONBF, 0);
FileLog("SPU2init\n");
}
#endif
srand((unsigned)time(NULL));
spu2regs = (s16*)malloc(0x010000);
_spu2mem = (s16*)malloc(0x200000);
// adpcm decoder cache:
// the cache data size is determined by taking the number of adpcm blocks
// (2MB / 16) and multiplying it by the decoded block size (28 samples).
// Thus: pcm_cache_data = 7,340,032 bytes (ouch!)
// Expanded: 16 bytes expands to 56 bytes [3.5:1 ratio]
// Resulting in 2MB * 3.5.
pcm_cache_data = (PcmCacheEntry*)calloc( pcm_BlockCount, sizeof(PcmCacheEntry) );
if( (spu2regs == NULL) || (_spu2mem == NULL) || (pcm_cache_data == NULL) )
{
SysMessage("SPU2-X: Error allocating Memory\n"); return -1;
}
// Patch up a copy of regtable that directly maps "NULLs" to SPU2 memory.
memcpy(regtable, regtable_original, sizeof(regtable));
for(uint mem=0;mem<0x800;mem++)
{
u16 *ptr = regtable[mem>>1];
if(!ptr) {
regtable[mem>>1] = &(spu2Ru16(mem));
}
}