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sound, add ym2612 channel clipping, ladder effect

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This commit is contained in:
kub 2021-11-17 22:27:02 +01:00
parent 55615f9c97
commit 8794ba5c8d
7 changed files with 39 additions and 9 deletions
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11
pico/sound/ym2612.h
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@ -108,6 +108,9 @@ typedef struct
INT32 dt_tab[8][32];/* DeTune table */
} FM_ST;
#define ST_SSG 1
#define ST_LADDER 2
/***********************************************************/
/* OPN unit */
/***********************************************************/
@ -162,7 +165,7 @@ typedef struct
extern YM2612 ym2612;
#endif
void YM2612Init_(int baseclock, int rate, int ssg);
void YM2612Init_(int baseclock, int rate, int flags);
void YM2612ResetChip_(void);
int YM2612UpdateOne_(int *buffer, int length, int stereo, int is_buf_empty);
@ -184,9 +187,9 @@ int YM2612PicoStateLoad2(int *tat, int *tbt);
#else
/* GP2X specific */
#include <platform/gp2x/940ctl.h>
#define YM2612Init(baseclock,rate,ssg) do { \
if (PicoIn.opt&POPT_EXT_FM) YM2612Init_940(baseclock, rate, ssg); \
else YM2612Init_(baseclock, rate, ssg); \
#define YM2612Init(baseclock,rate,flags) do { \
if (PicoIn.opt&POPT_EXT_FM) YM2612Init_940(baseclock, rate, flags); \
else YM2612Init_(baseclock, rate, flags); \
} while (0)
#define YM2612ResetChip() do { \
if (PicoIn.opt&POPT_EXT_FM) YM2612ResetChip_940(); \