annotate psg.h @ 2493:b62336ceb626 default tip

Kinda hacky fix to make sure Nuklear has the right GL context
author Michael Pavone <pavone@retrodev.com>
date Wed, 17 Apr 2024 22:18:45 -0700
parents 74112041b2c7
children
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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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13 #include "oscilloscope.h"
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14
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15 typedef struct {
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16 audio_source *audio;
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17 vgm_writer *vgm;
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18 oscilloscope *scope;
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19 uint32_t clock_inc;
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20 uint32_t cycles;
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21 uint16_t lsfr;
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22 uint16_t counter_load[4];
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23 uint16_t counters[4];
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24 uint8_t volume[4];
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25 uint8_t output_state[4];
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26 uint8_t scope_channel[4];
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27 uint8_t noise_out;
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28 uint8_t noise_use_tone;
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29 uint8_t noise_type;
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30 uint8_t latch;
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31 uint8_t pan;
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32 } psg_context;
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35 void psg_init(psg_context * context, uint32_t master_clock, uint32_t clock_div);
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36 void psg_enable_scope(psg_context *context, oscilloscope *scope, uint32_t master_clock);
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37 void psg_free(psg_context *context);
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38 void psg_adjust_master_clock(psg_context * context, uint32_t master_clock);
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39 void psg_write(psg_context * context, uint8_t value);
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40 void psg_run(psg_context * context, uint32_t cycles);
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41 void psg_vgm_log(psg_context *context, uint32_t master_clock, vgm_writer *vgm);
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42 void psg_serialize(psg_context *context, serialize_buffer *buf);
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43 void psg_deserialize(deserialize_buffer *buf, void *vcontext);
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45 #endif //PSG_CONTEXT_H_
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46