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Fix str subheader corruption, update README

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spicyjpeg
2025-03-05 01:32:35 +01:00
parent 24d37145c6
commit 60cbaca2b2
6 changed files with 215 additions and 130 deletions
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21
libpsxav/cdrom.c
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@@ -42,11 +42,21 @@ static uint32_t edc_crc32(uint8_t *data, int length) {
#define TO_BCD(x) ((x) + ((x) / 10) * 6)
void psx_cdrom_init_xa_subheader(psx_cdrom_sector_xa_subheader_t *subheader, psx_cdrom_sector_type_t type) {
memset(subheader, 0, sizeof(psx_cdrom_sector_xa_subheader_t) * 2);
subheader->submode = PSX_CDROM_SECTOR_XA_SUBMODE_DATA;
if (type == PSX_CDROM_SECTOR_TYPE_MODE2_FORM2)
subheader->submode |= PSX_CDROM_SECTOR_XA_SUBMODE_FORM2;
memcpy(subheader + 1, subheader, sizeof(psx_cdrom_sector_xa_subheader_t));
}
void psx_cdrom_init_sector(psx_cdrom_sector_t *sector, int lba, psx_cdrom_sector_type_t type) {
// Sync sequence
memset(sector->mode1.sync + 1, 0xff, 10);
sector->mode1.sync[0x0] = 0x00;
sector->mode1.sync[0xb] = 0x00;
sector->mode1.sync[0xB] = 0x00;
// Timecode
lba += 150;
@@ -59,14 +69,7 @@ void psx_cdrom_init_sector(psx_cdrom_sector_t *sector, int lba, psx_cdrom_sector
sector->mode1.header.mode = 0x01;
} else {
sector->mode2.header.mode = 0x02;
memset(sector->mode2.subheader, 0, sizeof(psx_cdrom_sector_xa_subheader_t));
sector->mode2.subheader[0].submode = PSX_CDROM_SECTOR_XA_SUBMODE_DATA;
if (type == PSX_CDROM_SECTOR_TYPE_MODE2_FORM2)
sector->mode2.subheader[0].submode |= PSX_CDROM_SECTOR_XA_SUBMODE_FORM2;
memcpy(sector->mode2.subheader + 1, sector->mode2.subheader, sizeof(psx_cdrom_sector_xa_subheader_t));
psx_cdrom_init_xa_subheader(sector->mode2.subheader, type);
}
}