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annotate vgmplay.c @ 2116:cd057d6fe030

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Initial stab at subcode emulation
author Michael Pavone <pavone@retrodev.com>
date Sun, 06 Mar 2022 22:03:52 -0800
parents cfd53c94fffb
children
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rev   line source
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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 #include "render.h"
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7 #include "ym2612.h"
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8 #include "psg.h"
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9 #include "config.h"
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10 #include "util.h"
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11 #include <stdint.h>
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12 #include <stdio.h>
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13 #include <stdlib.h>
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14 #include <string.h>
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15 #include "vgm.h"
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16 #include "system.h"
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17 #include "rf5c164.h"
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18
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19 #define MCLKS_NTSC 53693175
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20 #define MCLKS_PAL 53203395
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21
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22 #define MCLKS_PER_68K 7
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23 #define MCLKS_PER_YM MCLKS_PER_68K
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24 #define MCLKS_PER_Z80 15
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25 #define MCLKS_PER_PSG (MCLKS_PER_Z80*16)
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26
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27
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28 #ifdef DISABLE_ZLIB
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29 #define VGMFILE FILE*
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30 #define vgmopen fopen
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31 #define vgmread fread
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32 #define vgmseek fseek
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33 #define vgmgetc fgetc
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34 #define vgmclose fclose
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35 #else
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36 #include "zlib/zlib.h"
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37 #define VGMFILE gzFile
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38 #define vgmopen gzopen
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39 #define vgmread gzfread
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40 #define vgmseek gzseek
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41 #define vgmgetc gzgetc
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42 #define vgmclose gzclose
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43 #endif
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44
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45
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46 system_header *current_system;
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47
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48 void system_request_exit(system_header *system, uint8_t force_release)
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49 {
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50 }
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51
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52 void handle_keydown(int keycode)
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53 {
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54 }
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55
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56 void handle_keyup(int keycode)
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57 {
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58 }
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59
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60 void handle_joydown(int joystick, int button)
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61 {
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62 }
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63
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64 void handle_joyup(int joystick, int button)
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65 {
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66 }
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67
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68 void handle_joy_dpad(int joystick, int dpadnum, uint8_t value)
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69 {
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70 }
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71
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72 void handle_joy_axis(int joystick, int axis, int16_t value)
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73 {
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74 }
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75
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76 void handle_joy_added(int joystick)
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77 {
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78 }
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79
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80 void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay)
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81 {
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82 }
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83
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84 void handle_mousedown(int mouse, int button)
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85 {
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86 }
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87
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88 void handle_mouseup(int mouse, int button)
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89 {
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90 }
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91
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92 int headless = 0;
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93
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94 #include <limits.h>
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95 #define ADJUST_BUFFER (12500000)
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96 #define MAX_NO_ADJUST (UINT_MAX-ADJUST_BUFFER)
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97 #define MAX_RUN_SAMPLES 128
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98 tern_node * config;
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99
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100 typedef struct chip_info chip_info;
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101 typedef void (*run_fun)(void *context, uint32_t cycle);
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102 typedef void (*adjust_fun)(chip_info *chip);
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103 struct chip_info {
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104 void *context;
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105 run_fun run;
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106 adjust_fun adjust;
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107 uint32_t clock;
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108 uint32_t samples;
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109 };
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110
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111 uint32_t cycles_to_samples(uint32_t clock_rate, uint32_t cycles)
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112 {
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113 return ((uint64_t)cycles) * ((uint64_t)44100) / ((uint64_t)clock_rate);
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114 }
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115
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116 uint32_t samples_to_cycles(uint32_t clock_rate, uint32_t cycles)
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117 {
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118 return ((uint64_t)cycles) * ((uint64_t)clock_rate) / ((uint64_t)44100);
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119 }
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120
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121 void ym_adjust(chip_info *chip)
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122 {
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123 ym2612_context *ym = chip->context;
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124 if (ym->current_cycle >= MAX_NO_ADJUST) {
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125 uint32_t deduction = ym->current_cycle - ADJUST_BUFFER;
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126 chip->samples -= cycles_to_samples(chip->clock, deduction);
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127 ym->current_cycle -= deduction;
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128 }
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129 }
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130
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131 void psg_adjust(chip_info *chip)
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132 {
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133 psg_context *psg = chip->context;
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134 if (psg->cycles >= MAX_NO_ADJUST) {
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135 uint32_t deduction = psg->cycles - ADJUST_BUFFER;
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136 chip->samples -= cycles_to_samples(chip->clock, deduction);
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137 psg->cycles -= deduction;
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138 }
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139 }
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140
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141 void pcm_adjust(chip_info *chip)
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142 {
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143 rf5c164 *pcm = chip->context;
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144 if (pcm->cycle >= MAX_NO_ADJUST) {
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145 uint32_t deduction = pcm->cycle - ADJUST_BUFFER;
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146 chip->samples -= cycles_to_samples(chip->clock, deduction);
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147 pcm->cycle -= deduction;
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Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
148 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
149 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
150
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
151 void vgm_wait(chip_info *chips, uint32_t num_chips, uint32_t *completed_samples, uint32_t samples)
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
152 {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
153 while (samples > MAX_RUN_SAMPLES)
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
154 {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
155 vgm_wait(chips, num_chips, completed_samples, MAX_RUN_SAMPLES);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
156 samples -= MAX_RUN_SAMPLES;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
157 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
158 *completed_samples += samples;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
159 for (uint32_t i = 0; i < num_chips; i++)
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
160 {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
161 chips[i].samples += samples;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
162 chips[i].run(chips[i].context, samples_to_cycles(chips[i].clock, chips[i].samples));
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
163 chips[i].adjust(chips + i);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
164 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
165 if (*completed_samples > 44100/60) {
409
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 408
diff changeset
166 process_events();
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
167 }
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
168 }
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
169
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
170 chip_info chips[64];
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
171
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Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
172 uint8_t *find_block(data_block *head, uint32_t offset, uint32_t size)
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
173 {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
174 if (!head) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
175 return NULL;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
176 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
177 while (head->size < offset) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
178 offset -= head->size;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
179 head = head->next;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
180 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
181 if (head->size - offset < size) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
182 return NULL;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
183 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
184 return head->data + offset;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
185 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
186
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
187 int main(int argc, char ** argv)
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
188 {
812
574495372d1c Finish OS X support in build_release script. Fix a name conflict in vgmplay on OS X. Call set_exe_str in vgmplay and stateview
Michael Pavone <pavone@retrodev.com>
parents: 805
diff changeset
189 set_exe_str(argv[0]);
511
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
190 data_block *blocks = NULL;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
191 data_block *seek_block = NULL;
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
192 data_block *pcm68_blocks = NULL;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
193 data_block *pcm164_blocks = NULL;
511
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
194 uint32_t seek_offset;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
195 uint32_t block_offset;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
196
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
197 uint32_t fps = 60;
466
bc9e0829ffc7 Fix vgmplay
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
198 config = load_config(argv[0]);
1103
22e87b739ad6 WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents: 1002
diff changeset
199 render_init(320, 240, "vgm play", 0);
466
bc9e0829ffc7 Fix vgmplay
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
200
514
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
201 uint32_t opts = 0;
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
202 if (argc >= 3 && !strcmp(argv[2], "-y")) {
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
203 opts |= YM_OPT_WAVE_LOG;
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
204 }
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
205
1327
57637d17b59e Fix vgmplay target for ternary tree changes
Michael Pavone <pavone@retrodev.com>
parents: 1210
diff changeset
206 char * lowpass_cutoff_str = tern_find_path(config, "audio\0lowpass_cutoff\0", TVAL_PTR).ptrval;
1002
8d032a368dd5 Made low pass filter frequency configurable
Michael Pavone <pavone@retrodev.com>
parents: 931
diff changeset
207 uint32_t lowpass_cutoff = lowpass_cutoff_str ? atoi(lowpass_cutoff_str) : 3390;
466
bc9e0829ffc7 Fix vgmplay
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
208
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
209 VGMFILE f = vgmopen(argv[1], "rb");
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
210 vgm_header header;
2044
460e14497120 zlib support in vgmplay
Michael Pavone <pavone@retrodev.com>
parents: 1985
diff changeset
211 vgmread(&header, sizeof(header), 1, f);
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
212 if (header.version < 0x150 || !header.data_offset) {
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
213 header.data_offset = 0xC;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
214 }
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
215 if (header.version <= 0x101) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
216 header.ym2612_clk = header.ym2413_clk;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
217 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
218 uint32_t num_chips = 0;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
219 rf5c164 *pcm68 = NULL;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
220 if ((header.data_offset + 0x34) >= 0x44) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
221 uint32_t pcm68_clock = 0;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
222 vgmseek(f, 0x40, SEEK_SET);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
223 vgmread(&pcm68_clock, sizeof(pcm68_clock), 1, f);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
224 if (pcm68_clock) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
225 pcm68 = calloc(sizeof(*pcm68), 1);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
226 rf5c164_init(pcm68, pcm68_clock, 1);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
227 chips[num_chips++] = (chip_info) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
228 .context = pcm68,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
229 .run = (run_fun)rf5c164_run,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
230 .adjust = pcm_adjust,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
231 .clock = pcm68_clock,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
232 .samples = 0
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
233 };
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
234 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
235 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
236 rf5c164 *pcm164 = NULL;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
237 if ((header.data_offset + 0x34) >= 0x70) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
238 uint32_t pcm164_clock = 0;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
239 vgmseek(f, 0x6C, SEEK_SET);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
240 vgmread(&pcm164_clock, sizeof(pcm164_clock), 1, f);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
241 if (pcm164_clock) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
242 pcm164 = calloc(sizeof(*pcm164), 1);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
243 rf5c164_init(pcm164, pcm164_clock, 1);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
244 chips[num_chips++] = (chip_info) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
245 .context = pcm164,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
246 .run = (run_fun)rf5c164_run,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
247 .adjust = pcm_adjust,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
248 .clock = pcm164_clock,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
249 .samples = 0
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
250 };
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
251 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
252 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
253
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
254 ym2612_context y_context;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
255 if (header.ym2612_clk) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
256 ym_init(&y_context, header.ym2612_clk, 1, opts);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
257 chips[num_chips++] = (chip_info) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
258 .context = &y_context,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
259 .run = (run_fun)ym_run,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
260 .adjust = ym_adjust,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
261 .clock = header.ym2612_clk,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
262 .samples = 0
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
263 };
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
264 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
265
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
266 psg_context p_context;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
267 if (header.sn76489_clk) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
268 psg_init(&p_context, header.sn76489_clk, 1);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
269 chips[num_chips++] = (chip_info) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
270 .context = &p_context,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
271 .run = (run_fun)psg_run,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
272 .adjust = psg_adjust,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
273 .clock = header.sn76489_clk,
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
274 .samples = 0
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
275 };
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
276 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
277
2044
460e14497120 zlib support in vgmplay
Michael Pavone <pavone@retrodev.com>
parents: 1985
diff changeset
278 vgmseek(f, header.data_offset + 0x34, SEEK_SET);
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
279 uint32_t data_size = header.eof_offset + 4 - (header.data_offset + 0x34);
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
280 uint8_t * data = malloc(data_size);
2044
460e14497120 zlib support in vgmplay
Michael Pavone <pavone@retrodev.com>
parents: 1985
diff changeset
281 vgmread(data, 1, data_size, f);
460e14497120 zlib support in vgmplay
Michael Pavone <pavone@retrodev.com>
parents: 1985
diff changeset
282 vgmclose(f);
466
bc9e0829ffc7 Fix vgmplay
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
283
514
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
284 uint32_t loop_count = 2;
466
bc9e0829ffc7 Fix vgmplay
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
285
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
286 uint8_t * end = data + data_size;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
287 uint8_t * cur = data;
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
288 uint32_t completed_samples = 0;
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
289 while (cur < end) {
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
290 uint8_t cmd = *(cur++);
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
291 switch(cmd)
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
292 {
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
293 case CMD_PSG_STEREO:
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
294 //ignore for now
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
295 cur++;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
296 break;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
297 case CMD_PSG:
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
298 psg_write(&p_context, *(cur++));
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
299 break;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
300 case CMD_YM2612_0:
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
301 ym_address_write_part1(&y_context, *(cur++));
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
302 ym_data_write(&y_context, *(cur++));
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
303 break;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
304 case CMD_YM2612_1:
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
305 ym_address_write_part2(&y_context, *(cur++));
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
306 ym_data_write(&y_context, *(cur++));
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
307 break;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
308 case CMD_WAIT: {
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
309 uint32_t wait_time = *(cur++);
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
310 wait_time |= *(cur++) << 8;
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
311 vgm_wait(chips, num_chips, &completed_samples, wait_time);
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
312 break;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
313 }
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
314 case CMD_WAIT_60:
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
315 vgm_wait(chips, num_chips, &completed_samples, 735);
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
316 break;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
317 case CMD_WAIT_50:
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
318 vgm_wait(chips, num_chips, &completed_samples, 882);
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
319 break;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
320 case CMD_END:
514
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
321 if (header.loop_offset && --loop_count) {
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
322 cur = data + header.loop_offset + 0x1C - (header.data_offset + 0x34);
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
323 } else {
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
324 //TODO: fade out
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
325 return 0;
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
326 }
f66c78cbdcaa Implement per-channel wave logging and primitive looping support in vgm player.
Michael Pavone <pavone@retrodev.com>
parents: 512
diff changeset
327 break;
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
328 case CMD_PCM_WRITE:
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
329 if (end - cur < 11) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
330 fatal_error("early end of stream at offset %X\n", data-cur);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
331 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
332 cur++;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
333 {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
334 uint8_t chip_type = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
335 uint32_t read_offset = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
336 read_offset |= *(cur++) << 8;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
337 read_offset |= *(cur++) << 16;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
338 uint32_t write_offset = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
339 write_offset |= *(cur++) << 8;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
340 write_offset |= *(cur++) << 16;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
341 uint32_t size = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
342 size |= *(cur++) << 8;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
343 size |= *(cur++) << 16;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
344 if (chip_type == DATA_RF5C68) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
345 uint8_t *src = find_block(pcm68_blocks, read_offset, size);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
346 if (!src) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
347 printf("Failed to find RF6C68 data offset %X with size %X\n", read_offset, size);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
348 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
349 write_offset |= pcm68->ram_bank;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
350 write_offset &= 0xFFFF;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
351 if (size + write_offset > 0x10000) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
352 size = 0x10000 - write_offset;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
353 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
354 memcpy(pcm68->ram + write_offset, src, size);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
355 printf("rf5c68 PCM write read_offset %X, write_offset %X, size %X\n", read_offset, write_offset, size);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
356 } else if (chip_type == DATA_RF5C164) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
357 uint8_t *src = find_block(pcm164_blocks, read_offset, size);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
358 if (!src) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
359 printf("Failed to find RF6C68 data offset %X with size %X\n", read_offset, size);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
360 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
361 write_offset |= pcm164->ram_bank;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
362 write_offset &= 0xFFFF;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
363 if (size + write_offset > 0x10000) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
364 size = 0x10000 - write_offset;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
365 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
366 memcpy(pcm164->ram + write_offset, src, size);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
367 printf("rf5c164 PCM write read_offset %X, write_offset %X, size %X\n", read_offset, write_offset, size);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
368 } else {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
369 printf("unknown PCM write read_offset %X, write_offset %X, size %X\n", read_offset, write_offset, size);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
370 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
371 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
372 break;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
373 case CMD_PCM68_REG:
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
374 if (pcm68) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
375 uint8_t reg = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
376 uint8_t value = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
377
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
378 rf5c164_write(pcm68, reg, value);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
379 } else {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
380 printf("CMD_PCM68_REG without rf5c68 clock\n");
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
381 cur += 2;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
382 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
383 break;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
384 case CMD_PCM164_REG:
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
385 if (pcm164) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
386 uint8_t reg = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
387 uint8_t value = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
388 rf5c164_write(pcm164, reg, value);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
389 } else {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
390 printf("CMD_PCM164_REG without rf5c164 clock\n");
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
391 cur += 2;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
392 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
393 break;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
394 case CMD_PCM68_RAM:
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
395 if (pcm68) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
396 uint16_t address = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
397 address |= *(cur++) << 8;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
398 address &= 0xFFF;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
399 address |= 0x1000;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
400 uint8_t value = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
401 rf5c164_write(pcm68, address, value);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
402 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
403 break;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
404 case CMD_PCM164_RAM:
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
405 if (pcm164) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
406 uint16_t address = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
407 address |= *(cur++) << 8;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
408 address &= 0xFFF;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
409 address |= 0x1000;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
410 uint8_t value = *(cur++);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
411 rf5c164_write(pcm164, address, value);
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
412 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
413 break;
511
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
414 case CMD_DATA: {
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
415 cur++; //skip compat command
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
416 uint8_t data_type = *(cur++);
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
417 uint32_t data_size = *(cur++);
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
418 data_size |= *(cur++) << 8;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
419 data_size |= *(cur++) << 16;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
420 data_size |= *(cur++) << 24;
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
421 data_block **curblock = NULL;
511
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
422 if (data_type == DATA_YM2612_PCM) {
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
423 curblock = &blocks;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
424 } else if (data_type == DATA_RF5C68) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
425 curblock = &pcm68_blocks;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
426 } else if (data_type == DATA_RF5C164) {
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
427 curblock = &pcm164_blocks;
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
428 }
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
429
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
430 if (curblock) {
511
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
431 while(*curblock)
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
432 {
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
433 curblock = &((*curblock)->next);
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
434 }
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
435 *curblock = malloc(sizeof(data_block));
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
436 (*curblock)->size = data_size;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
437 (*curblock)->type = data_type;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
438 (*curblock)->data = cur;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
439 (*curblock)->next = NULL;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
440 } else {
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
441 fprintf(stderr, "Skipping data block with unrecognized type %X\n", data_type);
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
442 }
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
443 cur += data_size;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
444 break;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
445 }
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
446 case CMD_DATA_SEEK: {
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
447 uint32_t new_offset = *(cur++);
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
448 new_offset |= *(cur++) << 8;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
449 new_offset |= *(cur++) << 16;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
450 new_offset |= *(cur++) << 24;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
451 if (!seek_block || new_offset < seek_offset) {
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
452 seek_block = blocks;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
453 seek_offset = 0;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
454 block_offset = 0;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
455 }
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
456 while (seek_block && (seek_offset - block_offset + seek_block->size) < new_offset)
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
457 {
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
458 seek_offset += seek_block->size - block_offset;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
459 seek_block = seek_block->next;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
460 block_offset = 0;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
461 }
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
462 block_offset += new_offset-seek_offset;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
463 seek_offset = new_offset;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
464 break;
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
465 }
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
466
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
467 default:
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
468 if (cmd >= CMD_WAIT_SHORT && cmd < (CMD_WAIT_SHORT + 0x10)) {
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
469 uint32_t wait_time = (cmd & 0xF) + 1;
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
470 vgm_wait(chips, num_chips, &completed_samples, wait_time);
511
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
471 } else if (cmd >= CMD_YM2612_DAC && cmd < CMD_DAC_STREAM_SETUP) {
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
472 if (seek_block) {
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
473 ym_address_write_part1(&y_context, 0x2A);
512
6800d30437c9 Increment sample pointer after reading a sample in VGM player
Michael Pavone <pavone@retrodev.com>
parents: 511
diff changeset
474 ym_data_write(&y_context, seek_block->data[block_offset++]);
6800d30437c9 Increment sample pointer after reading a sample in VGM player
Michael Pavone <pavone@retrodev.com>
parents: 511
diff changeset
475 seek_offset++;
6800d30437c9 Increment sample pointer after reading a sample in VGM player
Michael Pavone <pavone@retrodev.com>
parents: 511
diff changeset
476 if (block_offset > seek_block->size) {
6800d30437c9 Increment sample pointer after reading a sample in VGM player
Michael Pavone <pavone@retrodev.com>
parents: 511
diff changeset
477 seek_block = seek_block->next;
6800d30437c9 Increment sample pointer after reading a sample in VGM player
Michael Pavone <pavone@retrodev.com>
parents: 511
diff changeset
478 block_offset = 0;
6800d30437c9 Increment sample pointer after reading a sample in VGM player
Michael Pavone <pavone@retrodev.com>
parents: 511
diff changeset
479 }
511
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
480 } else {
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
481 fputs("Encountered DAC write command but data seek pointer is invalid!\n", stderr);
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
482 }
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
483 uint32_t wait_time = (cmd & 0xF);
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
484 if (wait_time)
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
485 {
2081
cfd53c94fffb Initial stab at RF5C164 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2044
diff changeset
486 vgm_wait(chips, num_chips, &completed_samples, wait_time);
511
2c1679058727 Add support for VGM 1.50 PCM data blocks
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
487 }
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
488 } else {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 719
diff changeset
489 fatal_error("unimplemented command: %X at offset %X\n", cmd, (unsigned int)(cur - data - 1));
408
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
490 }
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
491 }
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
492 }
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
493 return 0;
a13a83934ba3 Add primitive vgm player for testing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
494 }