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cd: rewrite pcm

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This commit is contained in:
notaz 2013-09-19 03:51:30 +03:00
parent d0132772f7
commit 33be04ca5f
7 changed files with 171 additions and 160 deletions
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20
pico/sound/sound.c
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@ -11,7 +11,6 @@
#include "ym2612.h"
#include "sn76496.h"
#include "../pico_int.h"
#include "../cd/pcm.h"
#include "../cd/cue.h"
#include "mix.h"
@ -161,9 +160,6 @@ void PsndRerate(int preserve_state)
// recalculate dac info
dac_recalculate();
if (PicoAHW & PAHW_MCD)
pcm_set_rate(PsndRate);
// clear all buffers
memset32(PsndBuffer, 0, sizeof(PsndBuffer)/4);
memset(cdda_out_buffer, 0, sizeof(cdda_out_buffer));
@ -201,14 +197,6 @@ PICO_INTERNAL void PsndDoDAC(int line_to)
short *d = PsndOut + pos;
for (; len > 0; len--, d++) *d = dout;
}
#if 0
if (do_pcm) {
int *d = PsndBuffer;
d += (PicoOpt&8) ? pos*2 : pos;
pcm_update(d, len, 1);
}
#endif
}
// cdda
@ -309,9 +297,7 @@ static int PsndRender(int offset, int length)
int buf32_updated = 0;
int *buf32 = PsndBuffer+offset;
int stereo = (PicoOpt & 8) >> 3;
// emulating CD && PCM option enabled && PCM chip on && have enabled channels
int do_pcm = (PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_PCM) &&
(Pico_mcd->pcm.control & 0x80) && Pico_mcd->pcm.enabled;
offset <<= stereo;
pprof_start(sound);
@ -346,8 +332,8 @@ static int PsndRender(int offset, int length)
(void)buf32_updated;
// CD: PCM sound
if (do_pcm) {
pcm_update(buf32, length, stereo);
if (PicoAHW & PAHW_MCD) {
pcd_pcm_update(buf32, length, stereo);
//buf32_updated = 1;
}