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annotate render_sdl.c @ 421:d0cacb4ade0b

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Move IO code to a separate file and do a tiny bit of refactoring
author Mike Pavone <pavone@retrodev.com>
date Tue, 25 Jun 2013 19:20:39 -0700
parents dbf4e1c86f3c
children add9e2f5c0e3
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1 #include <stdlib.h>
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2 #include <stdio.h>
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3 #include "render.h"
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4 #include "blastem.h"
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5 #include "io.h"
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6
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7 SDL_Surface *screen;
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8 uint8_t render_dbg = 0;
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9 uint8_t debug_pal = 0;
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10
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11 uint32_t last_frame = 0;
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12
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13 int32_t color_map[1 << 12];
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14 uint8_t levels[] = {0, 27, 49, 71, 87, 103, 119, 130, 146, 157, 174, 190, 206, 228, 255};
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16 uint32_t min_delay;
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17 uint32_t frame_delay = 1000/60;
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18
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19 int16_t * current_psg = NULL;
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20 int16_t * current_ym = NULL;
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22 uint32_t buffer_samples, sample_rate;
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23 uint32_t missing_count;
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24
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25 SDL_mutex * audio_mutex;
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26 SDL_cond * audio_ready;
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27 SDL_cond * psg_cond;
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28 SDL_cond * ym_cond;
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29 uint8_t quitting = 0;
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31 void audio_callback(void * userdata, uint8_t *byte_stream, int len)
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32 {
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33 //puts("audio_callback");
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34 int16_t * stream = (int16_t *)byte_stream;
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35 int samples = len/(sizeof(int16_t)*2);
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36 int16_t * psg_buf, * ym_buf;
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37 uint8_t local_quit;
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38 SDL_LockMutex(audio_mutex);
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39 psg_buf = NULL;
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40 ym_buf = NULL;
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41 do {
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42 if (!psg_buf) {
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43 psg_buf = current_psg;
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44 current_psg = NULL;
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45 SDL_CondSignal(psg_cond);
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46 }
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47 if (!ym_buf) {
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48 ym_buf = current_ym;
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49 current_ym = NULL;
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50 SDL_CondSignal(ym_cond);
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51 }
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52 if (!quitting && (!psg_buf || !ym_buf)) {
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53 SDL_CondWait(audio_ready, audio_mutex);
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54 }
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55 } while(!quitting && (!psg_buf || !ym_buf));
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56
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57 local_quit = quitting;
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58 SDL_UnlockMutex(audio_mutex);
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59 if (!local_quit) {
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60 for (int i = 0; i < samples; i++) {
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61 *(stream++) = psg_buf[i] + *(ym_buf++);
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62 *(stream++) = psg_buf[i] + *(ym_buf++);
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63 }
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64 }
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65 }
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67 void render_close_audio()
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68 {
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69 SDL_LockMutex(audio_mutex);
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70 quitting = 1;
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71 SDL_CondSignal(audio_ready);
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72 SDL_UnlockMutex(audio_mutex);
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73 SDL_CloseAudio();
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74 }
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75
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76 SDL_Joystick * joysticks[MAX_JOYSTICKS];
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77 int num_joysticks;
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78
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79 void render_init(int width, int height, char * title, uint32_t fps)
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80 {
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81 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK) < 0) {
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82 fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError());
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83 exit(1);
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84 }
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85 atexit(SDL_Quit);
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86 atexit(render_close_audio);
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87 printf("width: %d, height: %d\n", width, height);
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88 screen = SDL_SetVideoMode(width, height, 32, SDL_SWSURFACE | SDL_ANYFORMAT);
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89 if (!screen) {
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90 fprintf(stderr, "Unable to get SDL surface: %s\n", SDL_GetError());
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91 exit(1);
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92 }
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93 if (screen->format->BytesPerPixel < 2) {
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94 fprintf(stderr, "BlastEm requires at least a 16-bit surface, SDL returned a %d-bit surface\n", screen->format->BytesPerPixel * 8);
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95 exit(1);
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96 }
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97 SDL_WM_SetCaption(title, title);
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98 uint8_t b,g,r;
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99 for (uint16_t color = 0; color < (1 << 12); color++) {
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100 if (color & FBUF_SHADOW) {
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101 b = levels[(color >> 9) & 0x7];
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102 g = levels[(color >> 5) & 0x7];
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103 r = levels[(color >> 1) & 0x7];
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104 } else if(color & FBUF_HILIGHT) {
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105 b = levels[((color >> 9) & 0x7) + 7];
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106 g = levels[((color >> 5) & 0x7) + 7];
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107 r = levels[((color >> 1) & 0x7) + 7];
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108 } else {
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109 b = levels[(color >> 8) & 0xE];
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110 g = levels[(color >> 4) & 0xE];
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111 r = levels[color & 0xE];
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112 }
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113 color_map[color] = SDL_MapRGB(screen->format, r, g, b);
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114 }
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115 min_delay = 0;
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116 for (int i = 0; i < 100; i++) {
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117 uint32_t start = SDL_GetTicks();
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118 SDL_Delay(1);
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119 uint32_t delay = SDL_GetTicks()-start;
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120 if (delay > min_delay) {
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121 min_delay = delay;
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122 }
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123 }
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124 if (!min_delay) {
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125 min_delay = 1;
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126 }
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127 printf("minimum delay: %d\n", min_delay);
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128
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129 frame_delay = 1000/fps;
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130
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131 audio_mutex = SDL_CreateMutex();
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132 psg_cond = SDL_CreateCond();
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133 ym_cond = SDL_CreateCond();
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134 audio_ready = SDL_CreateCond();
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diff changeset
135
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
136 SDL_AudioSpec desired, actual;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
137 desired.freq = 48000;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
138 desired.format = AUDIO_S16SYS;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
139 desired.channels = 2;
416
29c1a0dcf683 Change buffer size to avoid weird artifacts on some systems
Mike Pavone <pavone@retrodev.com>
parents: 415
diff changeset
140 desired.samples = 2048;//1024;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
141 desired.callback = audio_callback;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
142 desired.userdata = NULL;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
143
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
144 if (SDL_OpenAudio(&desired, &actual) < 0) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
145 fprintf(stderr, "Unable to open SDL audio: %s\n", SDL_GetError());
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
146 exit(1);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
147 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
148 buffer_samples = actual.samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
149 sample_rate = actual.freq;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
150 printf("Initialized audio at frequency %d with a %d sample buffer\n", actual.freq, actual.samples);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
151 SDL_PauseAudio(0);
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
152 num_joysticks = SDL_NumJoysticks();
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
153 if (num_joysticks > MAX_JOYSTICKS) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
154 num_joysticks = MAX_JOYSTICKS;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
155 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
156 for (int i = 0; i < num_joysticks; i++) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
157 printf("Joystick %d: %s\n", i, SDL_JoystickName(i));
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
158 SDL_Joystick * joy = joysticks[i] = SDL_JoystickOpen(i);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
159 if (joy) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
160 printf("\tNum Axes: %d\n\tNum Buttons: %d\n\tNum Hats: %d\n", SDL_JoystickNumAxes(joy), SDL_JoystickNumButtons(joy), SDL_JoystickNumHats(joy));
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
161 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
162 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
163 SDL_JoystickEventState(SDL_ENABLE);
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
164 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
165
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
166 uint16_t blankbuf[320*240];
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
167
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
168 void render_context(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
169 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
170 uint8_t *buf_8;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
171 uint16_t *buf_16;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
172 uint32_t *buf_32;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
173 uint8_t b,g,r;
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
174 last_frame = SDL_GetTicks();
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 if (SDL_MUSTLOCK(screen)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
176 if (SDL_LockSurface(screen) < 0) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
177 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
178 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
179 }
33
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
180 uint16_t repeat_x = screen->clip_rect.w / 320;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
181 uint16_t repeat_y = screen->clip_rect.h / 240;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
182 if (repeat_x > repeat_y) {
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
183 repeat_x = repeat_y;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
184 } else {
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
185 repeat_y = repeat_x;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
186 }
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
187 int othermask = repeat_y >> 1;
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
188 uint16_t *otherbuf = (context->regs[REG_MODE_4] & BIT_INTERLACE) ? context->evenbuf : blankbuf;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
189 switch (screen->format->BytesPerPixel) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 case 2:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191 buf_16 = (uint16_t *)screen->pixels;
33
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
192 for (int y = 0; y < 240; y++) {
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
193 for (int i = 0; i < repeat_y; i++,buf_16 += screen->pitch/2) {
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
194 uint16_t *line = buf_16;
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
195 uint16_t *src_line = (i & othermask ? otherbuf : context->oddbuf) + y * 320;
33
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
196 for (int x = 0; x < 320; x++) {
229
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
197 uint16_t color = color_map[*(src_line++) & 0xFFF];
33
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
198 for (int j = 0; j < repeat_x; j++) {
229
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
199 *(line++) = color;
33
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
200 }
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
201 }
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
202 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
203 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
204 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
205 case 3:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
206 buf_8 = (uint8_t *)screen->pixels;
33
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
207 for (int y = 0; y < 240; y++) {
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
208 for (int i = 0; i < repeat_y; i++,buf_8 += screen->pitch) {
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
209 uint8_t *line = buf_8;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
210 for (int x = 0; x < 320; x++) {
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
211 uint16_t gen_color = context->oddbuf[y * 320 + x];
33
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
212 b = ((gen_color >> 8) & 0xE) * 18;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
213 g = ((gen_color >> 4) & 0xE) * 18;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
214 r = (gen_color& 0xE) * 18;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
215 for (int j = 0; j < repeat_x; j++) {
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
216 *(buf_8+screen->format->Rshift/8) = r;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
217 *(buf_8+screen->format->Gshift/8) = g;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
218 *(buf_8+screen->format->Bshift/8) = b;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
219 buf_8 += 3;
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
220 }
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
221 }
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
222 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
223 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
224 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
225 case 4:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
226 buf_32 = (uint32_t *)screen->pixels;
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
227
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
228 for (int y = 0; y < 240; y++) {
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
229 for (int i = 0; i < repeat_y; i++,buf_32 += screen->pitch/4) {
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
230 uint32_t *line = buf_32;
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
231 uint16_t *src_line = (i & othermask ? otherbuf : context->oddbuf) + y * 320;
229
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
232 for (int x = 0; x < 320; x++) {
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
233 uint32_t color;
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
234 if (!render_dbg) {
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
235 color = color_map[*(src_line++) & 0xFFF];
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
236 } else if(render_dbg == 2) {
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
237 color = color_map[context->cram[(y/30)*8 + x/40]];
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
238 } else if(render_dbg == 3) {
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
239 if (x & 1) {
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
240 color = color_map[context->cram[ (debug_pal << 4) | (context->vdpmem[(x/8)*32 + (y/8)*32*40 + (x%8)/2 + (y%8)*4] & 0xF) ]];
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
241 } else {
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
242 color = color_map[context->cram[ (debug_pal << 4) | (context->vdpmem[(x/8)*32 + (y/8)*32*40 + (x%8)/2 + (y%8)*4] >> 4) ]];
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
243 }
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
244 }else {
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
245 uint16_t gen_color = context->oddbuf[y * 320 + x];
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
246 r = g = b = 0;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
247 switch(gen_color & FBUF_SRC_MASK)
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
248 {
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
249 case FBUF_SRC_A:
415
8c60c8c09a0f Fix sprite y mask in interlace mode. Fix framebuffer selection when switching out of interlace mode.
Mike Pavone <pavone@retrodev.com>
parents: 413
diff changeset
250 g = 127;//plane a = green
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
251 break;
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
252 case FBUF_SRC_W:
415
8c60c8c09a0f Fix sprite y mask in interlace mode. Fix framebuffer selection when switching out of interlace mode.
Mike Pavone <pavone@retrodev.com>
parents: 413
diff changeset
253 g = 127;//window = cyan
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
254 b = 127;
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
255 break;
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
256 case FBUF_SRC_B:
415
8c60c8c09a0f Fix sprite y mask in interlace mode. Fix framebuffer selection when switching out of interlace mode.
Mike Pavone <pavone@retrodev.com>
parents: 413
diff changeset
257 b = 127;//plane b = blue
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
258 break;
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
259 case FBUF_SRC_S:
415
8c60c8c09a0f Fix sprite y mask in interlace mode. Fix framebuffer selection when switching out of interlace mode.
Mike Pavone <pavone@retrodev.com>
parents: 413
diff changeset
260 r = 127;//sprite = red
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
261 break;
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
262 case FBUF_SRC_BG:
415
8c60c8c09a0f Fix sprite y mask in interlace mode. Fix framebuffer selection when switching out of interlace mode.
Mike Pavone <pavone@retrodev.com>
parents: 413
diff changeset
263 r = 127;//BG = purple
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
264 b = 127;
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
265 }
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
266 if (gen_color & FBUF_BIT_PRIORITY) {
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
267 b *= 2;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
268 g *= 2;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
269 r *= 2;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
270 }
234
f456ee23d372 Add shadow/higlight info to debug renderer
Mike Pavone <pavone@retrodev.com>
parents: 230
diff changeset
271 if (gen_color & FBUF_SHADOW) {
f456ee23d372 Add shadow/higlight info to debug renderer
Mike Pavone <pavone@retrodev.com>
parents: 230
diff changeset
272 b /= 2;
f456ee23d372 Add shadow/higlight info to debug renderer
Mike Pavone <pavone@retrodev.com>
parents: 230
diff changeset
273 g /= 2;
f456ee23d372 Add shadow/higlight info to debug renderer
Mike Pavone <pavone@retrodev.com>
parents: 230
diff changeset
274 r /= 2;
f456ee23d372 Add shadow/higlight info to debug renderer
Mike Pavone <pavone@retrodev.com>
parents: 230
diff changeset
275 } else if(gen_color & FBUF_HILIGHT) {
f456ee23d372 Add shadow/higlight info to debug renderer
Mike Pavone <pavone@retrodev.com>
parents: 230
diff changeset
276 b = b ? b : 64;
f456ee23d372 Add shadow/higlight info to debug renderer
Mike Pavone <pavone@retrodev.com>
parents: 230
diff changeset
277 g = g ? g : 64;
f456ee23d372 Add shadow/higlight info to debug renderer
Mike Pavone <pavone@retrodev.com>
parents: 230
diff changeset
278 r = r ? r : 64;
f456ee23d372 Add shadow/higlight info to debug renderer
Mike Pavone <pavone@retrodev.com>
parents: 230
diff changeset
279 }
229
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
280 color = SDL_MapRGB(screen->format, r, g, b);
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
281 }
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
282 for (int j = 0; j < repeat_x; j++) {
229
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
283 *(line++) = color;
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
284 }
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
285 }
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
286 }
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
287 }
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
288 break;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
289 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
290 if ( SDL_MUSTLOCK(screen) ) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
291 SDL_UnlockSurface(screen);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
292 }
33
2e15fa26fe58 Add support for simple resolution scaling
Mike Pavone <pavone@retrodev.com>
parents: 28
diff changeset
293 SDL_UpdateRect(screen, 0, 0, screen->clip_rect.w, screen->clip_rect.h);
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
294 if (context->regs[REG_MODE_4] & BIT_INTERLACE)
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
295 {
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
296 context->framebuf = context->framebuf == context->oddbuf ? context->evenbuf : context->oddbuf;
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
297 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
298 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
299
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
300 int render_joystick_num_buttons(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
301 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
302 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
303 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
304 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
305 return SDL_JoystickNumButtons(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
306 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
307
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
308 int render_joystick_num_hats(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
309 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
310 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
311 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
312 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
313 return SDL_JoystickNumHats(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
314 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
315
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
316 void render_wait_quit(vdp_context * context)
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
317 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
318 SDL_Event event;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
319 while(SDL_WaitEvent(&event)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
320 switch (event.type) {
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
321 case SDL_KEYDOWN:
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
322 if (event.key.keysym.sym == SDLK_LEFTBRACKET) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
323 render_dbg++;
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
324 if (render_dbg == 4) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
325 render_dbg = 0;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
326 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
327 render_context(context);
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
328 } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
329 debug_pal++;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
330 if (debug_pal == 4) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
331 debug_pal = 0;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
332 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
333 }
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
334 break;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
335 case SDL_QUIT:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
336 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
337 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
338 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
339 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
340
398
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
341 void render_debug_mode(uint8_t mode)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
342 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
343 if (mode < 4) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
344 render_dbg = mode;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
345 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
346 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
347
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
348 void render_debug_pal(uint8_t pal)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
349 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
350 if (pal < 4) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
351 debug_pal = pal;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
352 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
353 }
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents: 64
diff changeset
354
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
355 int32_t handle_event(SDL_Event *event)
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
356 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
357 switch (event->type) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
358 case SDL_KEYDOWN:
398
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
359 handle_keydown(event->key.keysym.sym);
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
360 break;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
361 case SDL_KEYUP:
398
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
362 handle_keyup(event->key.keysym.sym);
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
363 break;
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
364 case SDL_JOYBUTTONDOWN:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
365 handle_joydown(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
366 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
367 case SDL_JOYBUTTONUP:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
368 handle_joyup(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
369 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
370 case SDL_JOYHATMOTION:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
371 handle_joy_dpad(event->jbutton.which, event->jhat.hat, event->jhat.value);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
372 break;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
373 case SDL_QUIT:
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
374 puts("");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
375 exit(0);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
376 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
377 return 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
378 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
379
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
380 uint32_t frame_counter = 0;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
381 uint32_t start = 0;
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
382 int wait_render_frame(vdp_context * context, int frame_limit)
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
383 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
384 SDL_Event event;
198
209a37eed3e7 Add support for breaking into the debugger while game is running
Mike Pavone <pavone@retrodev.com>
parents: 135
diff changeset
385 int ret = 0;
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
386 while(SDL_PollEvent(&event)) {
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
387 ret = handle_event(&event);
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
388 }
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
389 if (frame_limit) {
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
390 //TODO: Adjust frame delay so we actually get 60 FPS rather than 62.5 FPS
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
391 uint32_t current = SDL_GetTicks();
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
392 uint32_t desired = last_frame + frame_delay;
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
393 if (current < desired) {
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
394 uint32_t delay = last_frame + frame_delay - current;
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
395 if (delay > min_delay) {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
396 SDL_Delay((delay/min_delay)*min_delay);
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
397 }
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
398 while ((desired) >= SDL_GetTicks()) {
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
399 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
400 }
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
401 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
402 render_context(context);
229
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit
Mike Pavone <pavone@retrodev.com>
parents: 198
diff changeset
403
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
404
64
2b1a65f4b85d Cleanup 68K timing code. Temporarily omment out fFPS counter as it was causing segfaults
Mike Pavone <pavone@retrodev.com>
parents: 63
diff changeset
405 //TODO: Figure out why this causes segfaults
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
406 /*frame_counter++;
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
407 if ((last_frame - start) > 1000) {
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
408 if (start && (last_frame-start)) {
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
409 printf("\r%f fps", ((float)frame_counter) / (((float)(last_frame-start)) / 1000.0));
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
410 fflush(stdout);
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
411 }
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
412 start = last_frame;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
413 frame_counter = 0;
64
2b1a65f4b85d Cleanup 68K timing code. Temporarily omment out fFPS counter as it was causing segfaults
Mike Pavone <pavone@retrodev.com>
parents: 63
diff changeset
414 }*/
198
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diff changeset
415 return ret;
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
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416 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
417
409
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418 void process_events()
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419 {
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420 SDL_Event event;
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diff changeset
421 while(SDL_PollEvent(&event)) {
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422 handle_event(&event);
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423 }
c1bddeadc566 Process events in vgm player so that quitting works
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parents: 398
diff changeset
424 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
425
364
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diff changeset
426 void render_wait_psg(psg_context * context)
354
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diff changeset
427 {
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diff changeset
428 SDL_LockMutex(audio_mutex);
364
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parents: 361
diff changeset
429 while (current_psg != NULL) {
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diff changeset
430 SDL_CondWait(psg_cond, audio_mutex);
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
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parents: 342
diff changeset
431 }
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
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parents: 361
diff changeset
432 current_psg = context->audio_buffer;
354
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parents: 342
diff changeset
433 SDL_CondSignal(audio_ready);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
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parents: 342
diff changeset
434
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
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parents: 342
diff changeset
435 context->audio_buffer = context->back_buffer;
364
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parents: 361
diff changeset
436 context->back_buffer = current_psg;
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parents: 361
diff changeset
437 SDL_UnlockMutex(audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
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parents: 361
diff changeset
438 context->buffer_pos = 0;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
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parents: 361
diff changeset
439 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
440
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
441 void render_wait_ym(ym2612_context * context)
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
442 {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
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parents: 361
diff changeset
443 SDL_LockMutex(audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
444 while (current_ym != NULL) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
445 SDL_CondWait(ym_cond, audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
446 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
447 current_ym = context->audio_buffer;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
448 SDL_CondSignal(audio_ready);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
449
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
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diff changeset
450 context->audio_buffer = context->back_buffer;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
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parents: 361
diff changeset
451 context->back_buffer = current_ym;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
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parents: 342
diff changeset
452 SDL_UnlockMutex(audio_mutex);
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parents: 342
diff changeset
453 context->buffer_pos = 0;
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parents: 342
diff changeset
454 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
455
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
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diff changeset
456 void render_fps(uint32_t fps)
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
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parents: 340
diff changeset
457 {
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parents: 340
diff changeset
458 frame_delay = 1000/fps;
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
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parents: 340
diff changeset
459 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
460
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
461 uint32_t render_audio_buffer()
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
462 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
463 return buffer_samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
464 }
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
465
354
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Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
466 uint32_t render_sample_rate()
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
467 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
468 return sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
469 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
470
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
471