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Add toggle to disable uneven L/R sample timing quirk

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Co-Authored-By: Evan Ramos <1585791+hendricks266@users.noreply.github.com>
This commit is contained in:
Jasmine Iwanek
2024-07-09 23:15:51 -04:00
parent 6332fd0b5e
commit 87cdb6ac28
1 changed files with 15 additions and 0 deletions
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15
src/sound/snd_opl_nuked.c
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@@ -51,6 +51,11 @@
#include <86box/device.h> #include <86box/device.h>
#include <86box/snd_opl.h> #include <86box/snd_opl.h>
/* Quirk: Some FM channels are output one sample later on the left side than the right. */
#ifndef OPL_QUIRK_CHANNELSAMPLEDELAY
#define OPL_QUIRK_CHANNELSAMPLEDELAY 1
#endif
#define WRBUF_SIZE 1024 #define WRBUF_SIZE 1024
#define WRBUF_DELAY 1 #define WRBUF_DELAY 1
#define RSM_FRAC 10 #define RSM_FRAC 10
@@ -1287,7 +1292,11 @@ nuked_generate(void *priv, int32_t *bufp)
bufp[1] = dev->mixbuff[1]; bufp[1] = dev->mixbuff[1];
#if OPL_QUIRK_CHANNELSAMPLEDELAY
for (i = 0; i < 15; i++) for (i = 0; i < 15; i++)
#else
for (i = 0; i < 36; i++)
#endif
process_slot(&dev->slot[i]); process_slot(&dev->slot[i]);
mix = 0; mix = 0;
@@ -1301,13 +1310,17 @@ nuked_generate(void *priv, int32_t *bufp)
dev->mixbuff[0] = mix; dev->mixbuff[0] = mix;
#if OPL_QUIRK_CHANNELSAMPLEDELAY
for (i = 15; i < 18; i++) for (i = 15; i < 18; i++)
process_slot(&dev->slot[i]); process_slot(&dev->slot[i]);
#endif
bufp[0] = dev->mixbuff[0]; bufp[0] = dev->mixbuff[0];
#if OPL_QUIRK_CHANNELSAMPLEDELAY
for (i = 18; i < 33; i++) for (i = 18; i < 33; i++)
process_slot(&dev->slot[i]); process_slot(&dev->slot[i]);
#endif
mix = 0; mix = 0;
@@ -1320,8 +1333,10 @@ nuked_generate(void *priv, int32_t *bufp)
dev->mixbuff[1] = mix; dev->mixbuff[1] = mix;
#if OPL_QUIRK_CHANNELSAMPLEDELAY
for (i = 33; i < 36; i++) for (i = 33; i < 36; i++)
process_slot(&dev->slot[i]); process_slot(&dev->slot[i]);
#endif
if ((dev->timer & 0x3f) == 0x3f) if ((dev->timer & 0x3f) == 0x3f)
dev->tremolopos = (dev->tremolopos + 1) % 210; dev->tremolopos = (dev->tremolopos + 1) % 210;