shithub: psxe

ref: 10cfc02dedf38b391f5a79f3201d4ea9f7b6cde2
dir: /psx/disc.c/

/*
    This file is part of the PSXE Emulator Project

    Disc Reader API
*/

#include "disc.h"

#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>

#define CD_SECTOR_SIZE 0x930
#define CD_SECTORS_PER_SECOND 75

uint32_t disc_get_addr(msf_t msf) {
    uint32_t sectors = (((msf.m * 60) + msf.s) * CD_SECTORS_PER_SECOND) + msf.f;

    return sectors * CD_SECTOR_SIZE;
}

psx_disc_t* psx_disc_create() {
    return (psx_disc_t*)malloc(sizeof(psx_disc_t));
}

int psx_disc_seek(psx_disc_t* disc, msf_t msf) {
    log_fatal("DISC seek %02u:%02u:%02u", msf.m, msf.s, msf.f);
    return disc->seek_func(disc->udata, msf);
}

int psx_disc_read_sector(psx_disc_t* disc, void* buf) {
    return disc->read_sector_func(disc->udata, buf);
}

int psx_disc_get_track_addr(psx_disc_t* disc, msf_t* msf, int track) {
    return disc->get_track_addr_func(disc->udata, msf, track);
}

int psx_disc_get_track_count(psx_disc_t* disc, int* count) {
    return disc->get_track_count_func(disc->udata, count);
}

void psx_disc_destroy(psx_disc_t* disc) {
    disc->destroy_func(disc->udata);

    free(disc);
}