int main(int argc, char *argv[]) {
SID sid;
sound_open();
sid.reset();
if (fcntl(0, F_SETFL, O_NONBLOCK) != 0)
fatal("fcntl failed: %d", errno);
int i = 0;
while (1) {
int n = read(0, &in_buf[i], sizeof(in_buf) - i);
if (n < 0) {
if (errno != EAGAIN && errno != EWOULDBLOCK)
fatal("read failed: %d", errno);
sound_emit(sid, SID_CLOCK / LOOP_FREQ);
} else if (n > 0) {
n += i;
for (i = 0; i < n; i += 2) {
if (n - i >= 2)
sid.write(in_buf[i], in_buf[i + 1]);
}
if (n & 1)
i = 1;
} else {
break;
}
}
sound_close();
}
int main()
{
float * out_buffer_f;
int16_t * out_buffer_i;
int n_frames=256;
int i;
int fd;
int polyphony=1;
FILE * FD;
SID mysid;
cycle_count cycles;
//cycle_count delta_t = CLOCKFREQ / (SAMPLERATE / AUDIO_BLOCK_SAMPLES);
cycle_count delta_t = CLOCKFREQ / (SAMPLERATE / AUDIO_BLOCK_SAMPLES);
int nbsample=0;
int j=1;
int goup=1;
//cycle_count delta_t=AUDIO_BLOCK_SAMPLES;
out_buffer_f=(float*)malloc(sizeof(float)*8192);
out_buffer_i=(int16_t*)malloc(sizeof(int16_t*)*8192);
mysid.set_chip_model(MOS8580);
//mysid.set_chip_model(MOS6581);
mysid.set_sampling_parameters(CLOCKFREQ, SAMPLE_FAST, SAMPLERATE);
mysid.reset();
mysid.write(0x18, 0x08); // MODE/VOL
mysid.write(0x00,0x0); // v1 freq lo
mysid.write(0x01,0x4); // v1 freq hi
mysid.write(0x05,0x0F); // ATK/DCY
mysid.write(0x06,0xFF); // STN/RLS
mysid.write(0x04,0x21); // CONTROL
//mysid.write(0x18, 0x08); // MODE/VOL
//mysid.write(0x17,0xF7); // filter
mysid.write(0x18,0x1F); // MODE/VOL
mysid.write(0x0e,0x1); // v1 freq lo
mysid.write(0x0f,0x4); // v1 freq hi
mysid.write(0x13,0x0F); // ATK/DCY
mysid.write(0x14,0xFF); // STN/RLS
//mysid.write(0x10,0x3F); // PULSEWIDTH
mysid.write(0x12,0x41); // CONTROL
mysid.write(0x17,0xFF); // filter
//mysid.write(0x16,j--); // Cutoff
mysid.write(0x16,0xFF); // Cutoff
//mysid.write(0x18,0x1F);
//FD=fopen("audioout","w+");
for (i=0;i<NBBLOCKS;i++)
{
delta_t=CLOCKFREQ / (SAMPLERATE / AUDIO_BLOCK_SAMPLES);
nbsample=mysid.clock(delta_t,out_buffer_i,AUDIO_BLOCK_SAMPLES);
mysid.write(0x16,j); // Cutoff
//mysid.write(0x01,i); // v1 freq hi
mysid.write(0x10,j); // PULSEWIDTH
mysid.write(0x02,j-128); // PULSEWIDTH
//printf("nbsample:%d delta_t:%d j:%d\n",nbsample,delta_t,j);
//fwrite(out_buffer_i,sizeof(int16_t),AUDIO_BLOCK_SAMPLES,FD);
if (goup)
{
j++;
if (j>64) goup=0;
}
else
{
j--;
if (j<1) goup=1;
}
}
//fclose(FD);
}
SID::SID( const SID &sid )
{
setSID( sid.getSID() );
}
