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-rw-r--r--libopna/opna.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/libopna/opna.h b/libopna/opna.h
index a056156..b5e9d87 100644
--- a/libopna/opna.h
+++ b/libopna/opna.h
@@ -10,18 +10,40 @@
extern "C" {
#endif
+enum {
+ LIBOPNA_CHAN_FM_1 = 0x0001,
+ LIBOPNA_CHAN_FM_2 = 0x0002,
+ LIBOPNA_CHAN_FM_3 = 0x0004,
+ LIBOPNA_CHAN_FM_4 = 0x0008,
+ LIBOPNA_CHAN_FM_5 = 0x0010,
+ LIBOPNA_CHAN_FM_6 = 0x0020,
+ LIBOPNA_CHAN_SSG_1 = 0x0040,
+ LIBOPNA_CHAN_SSG_2 = 0x0080,
+ LIBOPNA_CHAN_SSG_3 = 0x0100,
+ LIBOPNA_CHAN_DRUM_BD = 0x0200,
+ LIBOPNA_CHAN_DRUM_SD = 0x0400,
+ LIBOPNA_CHAN_DRUM_TOP = 0x0800,
+ LIBOPNA_CHAN_DRUM_HH = 0x1000,
+ LIBOPNA_CHAN_DRUM_TOM = 0x2000,
+ LIBOPNA_CHAN_DRUM_RIM = 0x4000,
+ LIBOPNA_CHAN_DRUM_ALL = 0x7e00,
+ LIBOPNA_CHAN_ADPCM = 0x8000,
+};
+
struct opna {
struct opna_fm fm;
struct opna_ssg ssg;
struct opna_drum drum;
struct opna_adpcm adpcm;
struct opna_ssg_resampler resampler;
-
+ unsigned mask;
};
void opna_reset(struct opna *opna);
void opna_writereg(struct opna *opna, unsigned reg, unsigned val);
void opna_mix(struct opna *opna, int16_t *buf, unsigned samples);
+unsigned opna_get_mask(const struct opna *opna);
+void opna_set_mask(struct opna *opna, unsigned mask);
#ifdef __cplusplus
}