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Fix PSF1 playback for Dragon Ball: Final Bout, Title Screen

CQTexperiment
Christopher Snowhill 2020-02-16 00:30:33 -08:00
parent 6374a5669b
commit 1bc4ad85d2
1 changed files with 18 additions and 1 deletions
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19
Frameworks/HighlyExperimental/HighlyExperimental/Core/spucore.c
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@ -23,6 +23,15 @@
//#define KEYON_DEFER_SAMPLES (64)
#define KEYON_DEFER_SAMPLES (64)
/* This is a bit of a hack that fixes Dragon Ball - Final Bout: Title
** Screen (Track 29), by ignoring any keyoffs that occur immediately
** after a keyon. The developer who tested this determined a delay of
** 384 cycles, but we only operate in whole sample granularity, which
** is 768 cycles at a time. So we'll just hack around a delay of one
** sample. */
#define KEYON_KEYOFF_BLOCK_SAMPLES (1)
//
// Render max samples
//
@ -317,6 +326,7 @@ struct SPUCORE_CHAN {
struct SPUCORE_SAMPLE sample;
struct SPUCORE_ENVELOPE env;
int samples_until_pending_keyon;
int samples_until_keyoff_responds;
};
/*
@ -957,6 +967,7 @@ static void EMU_CALL voice_on(struct SPUCORE_CHAN *c) {
/*
** Defer if already on
*/
c->samples_until_keyoff_responds = KEYON_KEYOFF_BLOCK_SAMPLES;
if(c->env.state != ENVELOPE_STATE_OFF) {
//EMUTRACE0("alreadyon:");
if(!(c->samples_until_pending_keyon)) {
@ -975,7 +986,9 @@ static void EMU_CALL voice_on(struct SPUCORE_CHAN *c) {
static void EMU_CALL voice_off(struct SPUCORE_CHAN *c) {
//EMUTRACE0("release");
envelope_release(&(c->env));
if (!(c->samples_until_keyoff_responds)) {
envelope_release(&(c->env));
}
//EMUTRACE0("\n");
}
@ -1120,6 +1133,10 @@ static int EMU_CALL render_channel_mono(
sint32 r, r2;
sint32 defer_remaining;
struct SPUCORE_IRQ_STATE spare_state;
n = c->samples_until_keyoff_responds;
if (n > samples) { n = samples; }
c->samples_until_keyoff_responds -= n;
//top:
n = c->samples_until_pending_keyon;