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https://github.com/kichikuou/xsystem35-sdl2.git
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kichikuou
4785c8c77c
This enables BGM playback in the download edition of Daiakuji, where S* commands are plumbed to the music system (*BA.ald).
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/*
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* cdrom.bgm.c CD->bgm bridge
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*
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* Copyright (C) 2023 <KichikuouChrome@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include "cdrom.h"
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#include "music.h"
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static int current_track;
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static int cdrom_bgm_init(char *dev) {
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return OK;
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}
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static int cdrom_bgm_exit(void) {
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return OK;
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}
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static int cdrom_bgm_reset(void) {
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return OK;
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}
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static int cdrom_bgm_start(int trk, int loop) {
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if (musbgm_play(trk, 0, 100) != OK)
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return NG;
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current_track = trk;
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return OK;
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}
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static int cdrom_bgm_stop(void) {
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return musbgm_stop(current_track, 0);
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}
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static int cdrom_bgm_getPlayingInfo(cd_time *info) {
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int t = musbgm_getpos(current_track); // in 10ms
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if (!t)
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return NG;
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info->t = current_track;
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info->m = t / (60*100); t %= (60*100);
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info->s = t / 100; t %= 100;
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info->f = t * CD_FPS / 100;
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return OK;
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}
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cdromdevice_t cdrom_bgm = {
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cdrom_bgm_init,
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cdrom_bgm_exit,
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cdrom_bgm_reset,
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cdrom_bgm_start,
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cdrom_bgm_stop,
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cdrom_bgm_getPlayingInfo,
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NULL,
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NULL
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};
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