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dualcore integration in famc, bram cart C code, psp bugfixes

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@294 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-11-11 15:38:27 +00:00
parent 4b167c12c7
commit 8022f53da6
15 changed files with 160 additions and 42 deletions
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19
Pico/cd/buffering.c
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@ -3,8 +3,6 @@
#include "../PicoInt.h"
//#include <stdlib.h>
int PicoCDBuffers = 0;
static unsigned char *cd_buffer = NULL;
static int prev_lba = 0x80000000;
@ -27,7 +25,7 @@ void PicoCDBufferInit(void)
/* try alloc'ing until we succeed */
while (PicoCDBuffers > 0)
{
tmp = realloc(cd_buffer, PicoCDBuffers * 2048);
tmp = realloc(cd_buffer, PicoCDBuffers * 2048 + 304);
if (tmp != NULL) break;
PicoCDBuffers >>= 1;
}
@ -104,11 +102,18 @@ PICO_INTERNAL void PicoCDBufferRead(void *dest, int lba)
if (is_bin)
{
int i;
for (i = 0; i < read_len; i++)
int i = 0;
#if REDUCE_IO_CALLS
int bufs = (read_len*2048+304) / (2048+304);
pm_read(cd_buffer, bufs*(2048+304), Pico_mcd->TOC.Tracks[0].F);
for (i = 1; i < bufs; i++)
// should really use memmove here, but my memcpy32 implementation is also suitable here
memcpy32((int *)(cd_buffer + i*2048), (int *)(cd_buffer + i*(2048+304)), 2048/4);
#endif
for (; i < read_len; i++)
{
pm_read(cd_buffer + i*2048, 2048, Pico_mcd->TOC.Tracks[0].F);
pm_seek(Pico_mcd->TOC.Tracks[0].F, 304, SEEK_CUR);
pm_read(cd_buffer + i*2048, 2048 + 304, Pico_mcd->TOC.Tracks[0].F);
// pm_seek(Pico_mcd->TOC.Tracks[0].F, 304, SEEK_CUR); // seeking is slower, in PSP case even more
}
}
else