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comparison ym2612.h @ 1931:374a5ae694e8 mame_interp

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Merge from default
author Michael Pavone <pavone@retrodev.com>
date Sat, 18 Apr 2020 11:42:53 -0700
parents 508522f08e4d
children 0d1d5dccdd28
comparison
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1843:13abdc98379e 1931:374a5ae694e8
7 #define YM2612_H_ 7 #define YM2612_H_
8 8
9 #include <stdint.h> 9 #include <stdint.h>
10 #include <stdio.h> 10 #include <stdio.h>
11 #include "serialize.h" 11 #include "serialize.h"
12 #include "render.h" 12 #include "render_audio.h"
13 #include "vgm.h"
13 14
14 #define NUM_PART_REGS (0xB7-0x30) 15 #define NUM_PART_REGS (0xB7-0x30)
15 #define NUM_CHANNELS 6 16 #define NUM_CHANNELS 6
16 #define NUM_OPERATORS (4*NUM_CHANNELS) 17 #define NUM_OPERATORS (4*NUM_CHANNELS)
17 18
18 #define YM_OPT_WAVE_LOG 1 19 #define YM_OPT_WAVE_LOG 1
20 #define YM_OPT_3834 2
19 21
20 typedef struct { 22 typedef struct {
21 int16_t *mod_src[2]; 23 int16_t *mod_src[2];
22 uint32_t phase_counter; 24 uint32_t phase_counter;
25 uint32_t phase_inc;
23 uint16_t envelope; 26 uint16_t envelope;
24 int16_t output; 27 int16_t output;
25 uint16_t total_level; 28 uint16_t total_level;
26 uint16_t sustain_level; 29 uint16_t sustain_level;
27 uint8_t rates[4]; 30 uint8_t rates[4];
64 #define YM_PART1_REGS (YM_REG_END-YM_PART1_START) 67 #define YM_PART1_REGS (YM_REG_END-YM_PART1_START)
65 #define YM_PART2_REGS (YM_REG_END-YM_PART2_START) 68 #define YM_PART2_REGS (YM_REG_END-YM_PART2_START)
66 69
67 typedef struct { 70 typedef struct {
68 audio_source *audio; 71 audio_source *audio;
72 vgm_writer *vgm;
69 uint32_t clock_inc; 73 uint32_t clock_inc;
70 uint32_t current_cycle; 74 uint32_t current_cycle;
71 //TODO: Condense the next two fields into one
72 uint32_t write_cycle; 75 uint32_t write_cycle;
76 uint32_t busy_start;
73 uint32_t busy_cycles; 77 uint32_t busy_cycles;
78 uint32_t last_status_cycle;
79 uint32_t invalid_status_decay;
80 uint32_t status_address_mask;
74 int32_t volume_mult; 81 int32_t volume_mult;
75 int32_t volume_div; 82 int32_t volume_div;
76 ym_operator operators[NUM_OPERATORS]; 83 ym_operator operators[NUM_OPERATORS];
77 ym_channel channels[NUM_CHANNELS]; 84 ym_channel channels[NUM_CHANNELS];
78 int16_t zero_offset; 85 int16_t zero_offset;
94 uint8_t lfo_counter; 101 uint8_t lfo_counter;
95 uint8_t lfo_am_step; 102 uint8_t lfo_am_step;
96 uint8_t lfo_pm_step; 103 uint8_t lfo_pm_step;
97 uint8_t csm_keyon; 104 uint8_t csm_keyon;
98 uint8_t status; 105 uint8_t status;
106 uint8_t last_status;
99 uint8_t selected_reg; 107 uint8_t selected_reg;
100 uint8_t selected_part; 108 uint8_t selected_part;
101 uint8_t part1_regs[YM_PART1_REGS]; 109 uint8_t part1_regs[YM_PART1_REGS];
102 uint8_t part2_regs[YM_PART2_REGS]; 110 uint8_t part2_regs[YM_PART2_REGS];
103 } ym2612_context; 111 } ym2612_context;
131 void ym_init(ym2612_context * context, uint32_t master_clock, uint32_t clock_div, uint32_t options); 139 void ym_init(ym2612_context * context, uint32_t master_clock, uint32_t clock_div, uint32_t options);
132 void ym_reset(ym2612_context *context); 140 void ym_reset(ym2612_context *context);
133 void ym_free(ym2612_context *context); 141 void ym_free(ym2612_context *context);
134 void ym_enable_zero_offset(ym2612_context *context, uint8_t enabled); 142 void ym_enable_zero_offset(ym2612_context *context, uint8_t enabled);
135 void ym_adjust_master_clock(ym2612_context * context, uint32_t master_clock); 143 void ym_adjust_master_clock(ym2612_context * context, uint32_t master_clock);
144 void ym_adjust_cycles(ym2612_context *context, uint32_t deduction);
136 void ym_run(ym2612_context * context, uint32_t to_cycle); 145 void ym_run(ym2612_context * context, uint32_t to_cycle);
137 void ym_address_write_part1(ym2612_context * context, uint8_t address); 146 void ym_address_write_part1(ym2612_context * context, uint8_t address);
138 void ym_address_write_part2(ym2612_context * context, uint8_t address); 147 void ym_address_write_part2(ym2612_context * context, uint8_t address);
139 void ym_data_write(ym2612_context * context, uint8_t value); 148 void ym_data_write(ym2612_context * context, uint8_t value);
140 uint8_t ym_read_status(ym2612_context * context); 149 void ym_vgm_log(ym2612_context *context, uint32_t master_clock, vgm_writer *vgm);
150 uint8_t ym_read_status(ym2612_context * context, uint32_t cycle, uint32_t port);
141 uint8_t ym_load_gst(ym2612_context * context, FILE * gstfile); 151 uint8_t ym_load_gst(ym2612_context * context, FILE * gstfile);
142 uint8_t ym_save_gst(ym2612_context * context, FILE * gstfile); 152 uint8_t ym_save_gst(ym2612_context * context, FILE * gstfile);
143 void ym_print_channel_info(ym2612_context *context, int channel); 153 void ym_print_channel_info(ym2612_context *context, int channel);
144 void ym_print_timer_info(ym2612_context *context); 154 void ym_print_timer_info(ym2612_context *context);
145 void ym_serialize(ym2612_context *context, serialize_buffer *buf); 155 void ym_serialize(ym2612_context *context, serialize_buffer *buf);