annotate psg.h @ 2208:3809a0bd680e

Fix a couple of Z80 debugger issues
author Michael Pavone <pavone@retrodev.com>
date Sat, 27 Aug 2022 22:02:09 -0700
parents 2648081f3100
children 0d1d5dccdd28
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1 /*
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2 Copyright 2013 Michael Pavone
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3 This file is part of BlastEm.
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
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5 */
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6 #ifndef PSG_CONTEXT_H_
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7 #define PSG_CONTEXT_H_
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8
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9 #include <stdint.h>
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10 #include "serialize.h"
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11 #include "render_audio.h"
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12 #include "vgm.h"
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14 typedef struct {
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15 audio_source *audio;
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16 vgm_writer *vgm;
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17 uint32_t clock_inc;
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18 uint32_t cycles;
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19 uint16_t lsfr;
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20 uint16_t counter_load[4];
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21 uint16_t counters[4];
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22 uint8_t volume[4];
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23 uint8_t output_state[4];
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24 uint8_t noise_out;
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25 uint8_t noise_use_tone;
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26 uint8_t noise_type;
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27 uint8_t latch;
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28 uint8_t pan;
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29 } psg_context;
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32 void psg_init(psg_context * context, uint32_t master_clock, uint32_t clock_div);
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33 void psg_free(psg_context *context);
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34 void psg_adjust_master_clock(psg_context * context, uint32_t master_clock);
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35 void psg_write(psg_context * context, uint8_t value);
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36 void psg_run(psg_context * context, uint32_t cycles);
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37 void psg_vgm_log(psg_context *context, uint32_t master_clock, vgm_writer *vgm);
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38 void psg_serialize(psg_context *context, serialize_buffer *buf);
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39 void psg_deserialize(deserialize_buffer *buf, void *vcontext);
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41 #endif //PSG_CONTEXT_H_
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42