2016-08-14 22:07:17 -04:00
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/* Copyright holders: Sarah Walker
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see COPYING for more details
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*/
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2016-06-26 00:34:39 +02:00
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typedef struct opl_t
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{
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2019-12-21 20:06:34 +01:00
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int pos, chip_nr[2];
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2016-06-26 00:34:39 +02:00
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2019-12-21 20:06:34 +01:00
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int32_t filtbuf[2],
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buffer[SOUNDBUFLEN * 2],
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buffer2[SOUNDBUFLEN * 2];
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2016-06-26 00:34:39 +02:00
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2019-12-21 20:06:34 +01:00
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pc_timer_t timers[2][2];
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2016-06-26 00:34:39 +02:00
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} opl_t;
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2019-12-21 20:06:34 +01:00
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extern uint8_t opl2_read(uint16_t a, void *priv);
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extern void opl2_write(uint16_t a, uint8_t v, void *priv);
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extern uint8_t opl2_l_read(uint16_t a, void *priv);
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extern void opl2_l_write(uint16_t a, uint8_t v, void *priv);
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extern uint8_t opl2_r_read(uint16_t a, void *priv);
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extern void opl2_r_write(uint16_t a, uint8_t v, void *priv);
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extern uint8_t opl3_read(uint16_t a, void *priv);
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extern void opl3_write(uint16_t a, uint8_t v, void *priv);
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2016-06-26 00:34:39 +02:00
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2019-12-21 20:06:34 +01:00
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extern void opl2_poll(opl_t *opl, int16_t *bufl, int16_t *bufr);
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extern void opl3_poll(opl_t *opl, int16_t *bufl, int16_t *bufr);
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2016-06-26 00:34:39 +02:00
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2019-12-21 20:06:34 +01:00
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extern void opl2_init(opl_t *opl);
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extern void opl3_init(opl_t *opl);
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extern void opl2_update2(opl_t *opl);
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extern void opl3_update2(opl_t *opl);
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