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Fix bug in MED mapper protection bit implementation
author Michael Pavone <pavone@retrodev.com>
date Sun, 28 Apr 2024 23:33:11 -0700
parents fb8f49b0aece
children
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1 #ifndef MEDIAPLAYER_H_
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2 #define MEDIAPLAYER_H_
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3
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4 #include <stdint.h>
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5 #include "system.h"
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6 #include "vgm.h"
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7 #include "wave.h"
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8 #include "flac.h"
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9 #include "oscilloscope.h"
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10 #include "render_audio.h"
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11 #include "io.h"
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12
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13 typedef struct chip_info chip_info;
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14 typedef void (*chip_run_fun)(void *context, uint32_t cycle);
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15 typedef void (*chip_scope_fun)(chip_info *chip, oscilloscope *scope);
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16 typedef void (*chip_noarg_fun)(void *context);
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17 typedef void (*chip_adjust_fun)(chip_info *chip);
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18 typedef void (*chip_stream_fun)(chip_info *chip, uint8_t port, uint8_t command, uint16_t sample);
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19 struct chip_info {
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20 void *context;
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21 chip_run_fun run;
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22 chip_adjust_fun adjust;
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23 chip_scope_fun scope;
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24 chip_noarg_fun no_scope;
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25 chip_noarg_fun free;
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26 chip_stream_fun stream;
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27 data_block *blocks;
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28 uint32_t clock;
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29 uint32_t samples;
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30 uint8_t cmd;
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31 uint8_t data_type;
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32 uint8_t stream_type;
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33 };
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34
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35 typedef struct {
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36 chip_info *chip;
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37 data_block *cur_block;
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38 uint32_t step;
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39 uint32_t block_offset;
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40 uint32_t start_offset;
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41 uint32_t cycles_per_sample;
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42 uint32_t sample_rate;
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43 uint32_t next_sample_cycle;
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44 uint32_t remaining; // sample count or command count
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45 uint8_t data_type;
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46 uint8_t port;
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47 uint8_t command;
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48 uint8_t flags;
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49 uint8_t length_mode;
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50 } vgm_stream;
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51
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52 enum {
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53 STATE_PLAY,
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54 STATE_PAUSED
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55 };
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56
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57 typedef struct {
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58 system_header header;
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59 system_media *media;
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60 vgm_header *vgm;
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61 vgm_extended_header *vgm_ext;
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62 data_block *ym_seek_block;
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63 wave_header *wave;
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64 flac_file *flac;
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65 audio_source *audio;
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66 chip_info *chips;
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67 oscilloscope *scope;
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68 vgm_stream *streams[256];
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69 uint32_t num_chips;
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70 uint32_t current_offset;
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71 uint32_t playback_time;
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72 uint32_t wait_samples;
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73 uint32_t ym_seek_offset;
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74 uint32_t ym_block_offset;
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75 uint32_t loop_count;
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76 uint8_t state;
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77 uint8_t media_type;
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78 uint8_t should_return;
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79 uint8_t button_state[NUM_GAMEPAD_BUTTONS];
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80 } media_player;
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81
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82 media_player *alloc_media_player(system_media *media, uint32_t opts);
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83
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84
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85 #endif //MEDIAPLAYER_H_