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#include "config.h"
#include "pokey23.h"
#include "sbdrv.h"
static char *rcsid = "$Id: sound_dos.c,v 1.2 1998/02/21 15:00:23 david Exp $";
#define FALSE 0
#define TRUE 1
static sound_enabled = TRUE;
int playback_freq = FREQ_17_APPROX / 28 / 3;
int buffersize = 400;
int DMAmode = AUTO_DMA;
static int AUDCTL = 0x00;
static int AUDF[4] =
{0, 0, 0, 0};
static int AUDC[4] =
{0, 0, 0, 0};
void Sound_Initialise(int *argc, char *argv[])
{
int i, j;
for (i = j = 1; i < *argc; i++) {
if (strcmp(argv[i], "-sound") == 0)
sound_enabled = TRUE;
else if (strcmp(argv[i], "-nosound") == 0)
sound_enabled = FALSE;
else
argv[j++] = argv[i];
}
*argc = j;
if (sound_enabled) {
int channel;
int dspbits;
unsigned int formats;
int tmp;
if (!OpenSB(playback_freq, buffersize)) {
printf("Cannot init sound card\n");
sound_enabled = FALSE;
}
else {
/*
Set_line_volume(15,15);
Set_master_volume(15,15);
*/
Pokey_sound_init(FREQ_17_APPROX, playback_freq, 1);
Start_audio_output(DMAmode, Pokey_process);
}
}
}
void Sound_Exit(void)
{
if (sound_enabled)
CloseSB();
}
void Atari_AUDC(int channel, int byte)
{
channel--;
Update_pokey_sound(0xd201 + channel + channel, byte, 0, 4);
}
void Atari_AUDF(int channel, int byte)
{
channel--;
Update_pokey_sound(0xd200 + channel + channel, byte, 0, 4);
}
void Atari_AUDCTL(int byte)
{
Update_pokey_sound(0xd208, byte, 0, 4);
}
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