88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
// Copyright (C) 2021 Nuke.YKT
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// License: GPLv2+
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// Version 1.0.1
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#ifndef _YMPSG_H_
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#define _YMPSG_H_
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#include <stdint.h>
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#define YMPSG_WRITEBUF_SIZE 2048
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#define YMPSG_WRITEBUF_DELAY 8
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typedef struct _ympsg_writebuf {
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uint64_t time;
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uint8_t stat;
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uint8_t data;
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} ympsg_writebuf;
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typedef struct {
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// IO
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uint8_t data;
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uint8_t latch;
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uint8_t write_flag;
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uint8_t write_flag_l;
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uint8_t prescaler_1;
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uint8_t prescaler_2;
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uint8_t prescaler_2_l;
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uint8_t reset_latch;
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uint8_t ic;
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uint8_t ic_latch1;
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uint8_t ic_latch2;
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uint8_t data_mask;
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uint8_t reg_reset;
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uint8_t volume[4];
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uint16_t freq[3];
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uint8_t noise_data;
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uint8_t noise_of;
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uint8_t noise_trig;
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uint8_t noise_trig_l;
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uint8_t rot;
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uint8_t chan_sel;
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uint16_t counter[4];
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uint8_t counter_of;
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uint8_t sign;
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uint8_t sign_l;
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uint8_t noise_sign_l;
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uint16_t noise;
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uint8_t noise_tap1;
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uint8_t noise_tap2;
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uint32_t noise_size;
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uint8_t test;
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uint8_t volume_out[4];
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uint8_t stereo;
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//
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uint64_t writebuf_samplecnt;
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uint32_t writebuf_cur;
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uint32_t writebuf_last;
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uint64_t writebuf_lasttime;
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ympsg_writebuf writebuf[YMPSG_WRITEBUF_SIZE];
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//
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short vol_table[17];
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uint8_t mute;
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} ympsg_t;
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void YMPSG_Write(ympsg_t *chip, uint8_t data);
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void YMPSG_WriteStereo(ympsg_t *chip, uint8_t data);
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uint16_t YMPSG_Read(ympsg_t *chip);
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void YMPSG_Init(ympsg_t *chip, uint8_t real_sn, uint8_t noise_tap1, uint8_t noise_tap2, uint32_t noise_size);
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void YMPSG_SetIC(ympsg_t *chip, uint32_t ic);
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void YMPSG_Clock(ympsg_t *chip);
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void YMPSG_GetOutput(ympsg_t *chip, int* left, int* right);
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void YMPSG_Test(ympsg_t *chip, uint16_t test);
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//void YMPSG_Generate(ympsg_t *chip, int32_t *buf);
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void YMPSG_WriteBuffered(ympsg_t *chip, uint8_t data);
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void YMPSG_SetMute(ympsg_t *chip, uint8_t mute);
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#endif
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