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ROM load progress bar

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@224 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-08-23 13:24:11 +00:00
parent 6d7acf9eff
commit a9b3ffd3cc
7 changed files with 73 additions and 8 deletions
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29
Pico/Cart.c
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@ -15,6 +15,8 @@
static char *rom_exts[] = { "bin", "gen", "smd", "iso" };
void (*PicoCartLoadProgressCB)(int percent) = NULL;
pm_file *pm_open(const char *path)
{
@ -244,7 +246,7 @@ static unsigned char *PicoCartAlloc(int filesize)
int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize)
{
unsigned char *rom=NULL; int size;
unsigned char *rom=NULL; int size, bytes_read;
if (f==NULL) return 1;
size=f->size;
@ -258,7 +260,30 @@ int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize)
return 1;
}
pm_read(rom,size,f); // Load up the rom
if (PicoCartLoadProgressCB != NULL)
{
// read ROM in blocks, just for fun
int ret;
unsigned char *p = rom;
bytes_read=0;
do
{
int todo = size - bytes_read;
if (todo > 256*1024) todo = 256*1024;
ret = pm_read(p,todo,f);
bytes_read += ret;
p += ret;
PicoCartLoadProgressCB(bytes_read * 100 / size);
}
while (ret > 0);
}
else
bytes_read = pm_read(rom,size,f); // Load up the rom
if (bytes_read <= 0) {
printf("read failed\n");
free(rom);
return 1;
}
// maybe we are loading MegaCD BIOS?
if (!(PicoMCD&1) && size == 0x20000 && (!strncmp((char *)rom+0x124, "BOOT", 4) || !strncmp((char *)rom+0x128, "BOOT", 4))) {