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/*
* BB: The portable demo
*
* (C) 1997 by AA-group (e-mail: aa@horac.ta.jcu.cz)
*
* 3rd August 1997
* version: 1.2 [final3]
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public Licences as by published
* by the Free Software Foundation; either version 2; or (at your option)
* any later version
*
* This program is distributed in the hope that it will entertaining,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILTY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Publis License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <sys/types.h>
#include <ctype.h>
#include <sys/time.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/nearptr.h>
#include "bb.h"
#include "mikdos/mikmod.h"
static int freq = 22050, stereo = 1, _16bit = 1;
static UNIMOD *mf;
static int interpolate;
int bbsound = 0;
int playing = 0;
int soundcounter;
void timeupdate(void)
{
update_sound();
}
void tickhandler(void)
{
MP_HandleTick(); /* play 1 tick of the module */
MD_SetBPM(mp_bpm);
}
static int start_sound(void)
{
md_dmabufsize = 50000;
md_mode = 0;
md_device = 0;
md_mixfreq = freq;
md_mode = (_16bit ? DMODE_16BITS : 0) | (stereo ? DMODE_STEREO : 0) | (interpolate ? DMODE_INTERP : 0);
ML_RegisterLoader(&load_s3m);
MD_RegisterDriver(&drv_pcsp);
MD_RegisterDriver(&drv_ss);
MD_RegisterDriver(&drv_sb);
MD_RegisterDriver(&drv_gus);
MD_RegisterPlayer(tickhandler);
if (!MD_Init()) {
fprintf(stderr, "Driver error: %s.\n", myerr);
return 0;
}
bbsound = 1;
return 1;
}
void stop()
{
if (bbsound && playing) {
playing = 0;
MD_PlayStop();
ML_Free(mf);
}
}
int load_song(char *name)
{
int i = TIME;
finish_stuff = 0;
if (bbsound) {
bbsound = 1;
if (playing)
stop();
mf = ML_LoadFN(name);
if (mf == NULL) {
fprintf(stderr, "bb_sound_server errror: %s\n", myerr);
return 1;
}
MP_Init(mf);
md_numchn = mf->numchn;
md_numchn = mf->numchn;
}
i -= TIME;
starttime -= i;
endtime -= i;
return 0;
}
void update_sound()
{
static int intimer;
asm volatile ("cli");
if (!intimer) {
intimer = 1;
asm volatile ("sti");
if (bbsound == 1 && playing) {
if (MP_Ready()) {
bbsound = 2;
stop();
}
else
MD_Update();
}
intimer = 0;
}
asm volatile ("sti");
}
#if 0
static void set_handler()
{
_go32_dpmi_seginfo pmint;
pmint.pm_selector = _my_cs();
pmint.pm_offset = (int) update_sound;
_go32_dpmi_chain_protected_mode_interrupt_vector(0x1c, &pmint);
}
#endif
void play()
{
int t1;
if (bbsound) {
playing = 1;
MD_PlayStart();
MD_Update();
if (md_driver != &drv_gus) {
t1 = md_mixfreq;
if (md_mode & DMODE_16BITS)
t1 *= 2;
if (md_mode & DMODE_STEREO)
t1 *= 2;
t1 = ((long long) 1000000) * (long long) md_dmabufsize / (long long) t1;
}
else
t1 = 0;
if (md_driver != &drv_gus && md_driver != &drv_pcsp) {
static int h = 0;
if (!h) {
h = 1;
/*set_handler();*/
}
}
starttime += t1;
endtime += t1;
}
}
extern int __use_nearptr_hack;
int main(int argc, char *argv[])
{
char s[255];
int p = 0;
#if 0
__djgpp_nearptr_enable();
__use_nearptr_hack = 1;
#endif
bbinit(argc, argv);
aa_puts(context, 0, p++, AA_SPECIAL, "Music (GUS,SB,SS or PC speaker)?[Y/n]");
aa_flush(context);
if (tolower(aa_getkey(context, 1)) != 'n') {
aa_puts(context, 0, p++, AA_SPECIAL, "Sample rate");
do {
sprintf(s, "%i", freq);
aa_edit(context, 13, p - 1, 5, s, 6);
} while (sscanf(s, "%i", &freq) == 0 || freq < 8000 || freq > 100000);
aa_puts(context, 0, p++, AA_SPECIAL, "Stereo?[Y/n]");
aa_flush(context);
if (tolower(aa_getkey(context, 1)) == 'n')
stereo = 0;
aa_puts(context, 0, p++, AA_SPECIAL, "16 bit?[Y/n]");
aa_flush(context);
if (tolower(aa_getkey(context, 1)) == 'n')
_16bit = 0;
aa_puts(context, 0, p++, AA_SPECIAL, "Interpolation?[y/N]");
aa_flush(context);
if (tolower(aa_getkey(context, 1)) == 'y')
interpolate = 1;
start_sound();
}
if (aa_mmwidth(context) > 300)
dual = 1;
bb();
if (bbsound && playing) {
MD_PlayStop();
ML_Free(mf);
MD_Exit();
}
return 0;
}
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