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PSX: support for multitrack CD. Don't load BIOS if it's not 512KB.

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This commit is contained in:
Sorgelig
2022-02-19 01:03:17 +08:00
parent 10e216a21e
commit d25fb500ef
4 changed files with 325 additions and 130 deletions
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21
user_io.cpp
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@@ -2803,7 +2803,14 @@ void user_io_poll()
if ((buffer_lba[disk] == (uint64_t)-1) || lba < buffer_lba[disk] || (lba + blks - buffer_lba[disk]) > buf_n)
{
buffer_lba[disk] = -1;
if (sd_image[disk].size)
if (blksz == 2352 && is_psx())
{
diskled_on();
psx_read_cd(buffer[disk], lba, buf_n);
done = 1;
buffer_lba[disk] = lba;
}
else if (sd_image[disk].size)
{
diskled_on();
if (FileSeek(&sd_image[disk], lba * blksz, SEEK_SET))
@@ -2867,13 +2874,19 @@ void user_io_poll()
{
buffer_lba[disk] = -1;
}
else if(done && (lba + blks - buffer_lba[disk]) == buf_n)
else if (done && (lba + blks - buffer_lba[disk]) == buf_n)
{
diskled_on();
if (FileSeek(&sd_image[disk], (lba + blks) * blksz, SEEK_SET) &&
lba += blks;
if (blksz == 2352 && is_psx())
{
psx_read_cd(buffer[disk], lba, buf_n);
buffer_lba[disk] = lba;
}
else if (FileSeek(&sd_image[disk], lba * blksz, SEEK_SET) &&
FileReadAdv(&sd_image[disk], buffer[disk], sizeof(buffer[disk])))
{
buffer_lba[disk] += buf_n;
buffer_lba[disk] = lba;
}
else
{