repos/blastem: render_sdl.c annotate

annotate render_sdl.c @ 478:2e4a4188cfb0

Fix DMA fill so that it does not cause observable changes to the FIFO. Get DMA copy mostly correct from an observable ffect perspective. DMA copy probably does not reflect internal implementation still given that evidence seems to suggest no FIFO usage at all.

author	Mike Pavone <pavone@retrodev.com>
date	Tue, 17 Sep 2013 00:11:45 -0700
parents	140af5509ce7
children	db5880d8ea03

rev	line source
467 140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 445 diff changeset	1 /*
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 445 diff changeset	2 Copyright 2013 Michael Pavone
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 445 diff changeset	3 This file is part of BlastEm.
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 445 diff changeset	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.
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 445 diff changeset	5 */
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	6 #include <stdlib.h>
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	7 #include <stdio.h>
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	8 #include "render.h"
66 7a22a0e6c004 Gamepad support Mike Pavone <pavone@retrodev.com> parents: 64 diff changeset	9 #include "blastem.h"
421 d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring Mike Pavone <pavone@retrodev.com> parents: 418 diff changeset	10 #include "io.h"
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	11
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	12 SDL_Surface *screen;
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	13 uint8_t render_dbg = 0;
135 a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	14 uint8_t debug_pal = 0;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	15
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	16 uint32_t last_frame = 0;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	17
229 d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	18 uint32_t min_delay;
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	19 uint32_t frame_delay = 1000/60;
229 d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	20
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	21 int16_t * current_psg = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	22 int16_t * current_ym = NULL;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	23
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	24 uint32_t buffer_samples, sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	25 uint32_t missing_count;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	26
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	27 SDL_mutex * audio_mutex;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	28 SDL_cond * audio_ready;
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	29 SDL_cond * psg_cond;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	30 SDL_cond * ym_cond;
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	31 uint8_t quitting = 0;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	32
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	33 void audio_callback(void * userdata, uint8_t *byte_stream, int len)
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	34 {
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	35 //puts("audio_callback");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	36 int16_t * stream = (int16_t *)byte_stream;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	37 int samples = len/(sizeof(int16_t)*2);
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	38 int16_t * psg_buf, * ym_buf;
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	39 uint8_t local_quit;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	40 SDL_LockMutex(audio_mutex);
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	41 psg_buf = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	42 ym_buf = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	43 do {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	44 if (!psg_buf) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	45 psg_buf = current_psg;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	46 current_psg = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	47 SDL_CondSignal(psg_cond);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	48 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	49 if (!ym_buf) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	50 ym_buf = current_ym;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	51 current_ym = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	52 SDL_CondSignal(ym_cond);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	53 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	54 if (!quitting && (!psg_buf \|\| !ym_buf)) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	55 SDL_CondWait(audio_ready, audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	56 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	57 } while(!quitting && (!psg_buf \|\| !ym_buf));
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	58
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	59 local_quit = quitting;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	60 SDL_UnlockMutex(audio_mutex);
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	61 if (!local_quit) {
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	62 for (int i = 0; i < samples; i++) {
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	63 (stream++) = psg_buf[i] + (ym_buf++);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	64 (stream++) = psg_buf[i] + (ym_buf++);
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	65 }
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	66 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	67 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	68
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	69 void render_close_audio()
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	70 {
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	71 SDL_LockMutex(audio_mutex);
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	72 quitting = 1;
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	73 SDL_CondSignal(audio_ready);
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	74 SDL_UnlockMutex(audio_mutex);
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	75 SDL_CloseAudio();
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	76 }
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	77
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	78 SDL_Joystick * joysticks[MAX_JOYSTICKS];
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	79 int num_joysticks;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	80
432 18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	81 int render_num_joysticks()
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	82 {
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	83 return num_joysticks;
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	84 }
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	85
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	86 uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b)
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	87 {
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	88 return SDL_MapRGB(screen->format, r, g, b);
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	89 }
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	90
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	91 uint8_t render_depth()
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	92 {
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	93 return screen->format->BytesPerPixel * 8;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	94 }
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	95
444 cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	96 void render_init(int width, int height, char * title, uint32_t fps, uint8_t fullscreen)
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	97 {
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	98 if (SDL_Init(SDL_INIT_VIDEO \| SDL_INIT_AUDIO \| SDL_INIT_JOYSTICK) < 0) {
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	99 fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError());
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	100 exit(1);
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	101 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	102 atexit(SDL_Quit);
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	103 atexit(render_close_audio);
33 2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	104 printf("width: %d, height: %d\n", width, height);
444 cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	105 uint32_t flags = SDL_ANYFORMAT;
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	106 if (fullscreen) {
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	107 flags \|= SDL_FULLSCREEN \| SDL_HWSURFACE \| SDL_DOUBLEBUF;
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	108 } else {
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	109 flags \|= SDL_SWSURFACE;
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	110 }
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	111 screen = SDL_SetVideoMode(width, height, 32, flags);
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	112 if (!screen) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	113 fprintf(stderr, "Unable to get SDL surface: %s\n", SDL_GetError());
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	114 exit(1);
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	115 }
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	116 if (screen->format->BytesPerPixel != 2 && screen->format->BytesPerPixel != 4) {
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	117 fprintf(stderr, "BlastEm requires a 16-bit or 32-bit surface, SDL returned a %d-bit surface\n", screen->format->BytesPerPixel * 8);
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	118 exit(1);
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	119 }
340 58a085cfc6bd Set window title based on ROM header name Mike Pavone <pavone@retrodev.com> parents: 339 diff changeset	120 SDL_WM_SetCaption(title, title);
229 d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	121 min_delay = 0;
339 80d934369fd5 Increase sample size for min_delay Mike Pavone <pavone@retrodev.com> parents: 338 diff changeset	122 for (int i = 0; i < 100; i++) {
229 d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	123 uint32_t start = SDL_GetTicks();
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	124 SDL_Delay(1);
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	125 uint32_t delay = SDL_GetTicks()-start;
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	126 if (delay > min_delay) {
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	127 min_delay = delay;
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	128 }
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	129 }
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	130 if (!min_delay) {
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	131 min_delay = 1;
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	132 }
d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	133 printf("minimum delay: %d\n", min_delay);
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	134
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	135 frame_delay = 1000/fps;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	136
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	137 audio_mutex = SDL_CreateMutex();
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	138 psg_cond = SDL_CreateCond();
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	139 ym_cond = SDL_CreateCond();
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	140 audio_ready = SDL_CreateCond();
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	141
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	142 SDL_AudioSpec desired, actual;
445 80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	143 char * rate_str = tern_find_ptr(config, "audiorate");
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	144 int rate = rate_str ? atoi(rate_str) : 0;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	145 if (!rate) {
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	146 rate = 48000;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	147 }
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	148 desired.freq = rate;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	149 desired.format = AUDIO_S16SYS;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	150 desired.channels = 2;
445 80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	151 char * samples_str = tern_find_ptr(config, "audiobuffer");
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	152 int samples = samples_str ? atoi(samples_str) : 0;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	153 if (!samples) {
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	154 samples = 512;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	155 }
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	156 printf("config says: %d\n", samples);
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	157 desired.samples = samples*2;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	158 desired.callback = audio_callback;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	159 desired.userdata = NULL;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	160
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	161 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	162 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	163 exit(1);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	164 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	165 buffer_samples = actual.samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	166 sample_rate = actual.freq;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	167 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	168 SDL_PauseAudio(0);
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	169 num_joysticks = SDL_NumJoysticks();
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	170 if (num_joysticks > MAX_JOYSTICKS) {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	171 num_joysticks = MAX_JOYSTICKS;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	172 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	173 for (int i = 0; i < num_joysticks; i++) {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	174 printf("Joystick %d: %s\n", i, SDL_JoystickName(i));
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	175 SDL_Joystick * joy = joysticks[i] = SDL_JoystickOpen(i);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	176 if (joy) {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	177 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	178 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	179 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	180 SDL_JoystickEventState(SDL_ENABLE);
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	181 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	182
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	183 uint32_t blankbuf[320*240];
413 36fbbced25c2 Initial work on interlace Mike Pavone <pavone@retrodev.com> parents: 409 diff changeset	184
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	185 void render_context(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	186 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	187 uint16_t *buf_16;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	188 uint32_t *buf_32;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	189 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	190 last_frame = SDL_GetTicks();
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	191 if (SDL_MUSTLOCK(screen)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	192 if (SDL_LockSurface(screen) < 0) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	193 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	194 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	195 }
33 2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	196 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	197 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	198 if (repeat_x > repeat_y) {
2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	199 repeat_x = repeat_y;
2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	200 } else {
2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	201 repeat_y = repeat_x;
2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	202 }
413 36fbbced25c2 Initial work on interlace Mike Pavone <pavone@retrodev.com> parents: 409 diff changeset	203 int othermask = repeat_y >> 1;
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	204
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	205 if (screen->format->BytesPerPixel == 2) {
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	206 uint16_t otherbuf = (context->regs[REG_MODE_4] & BIT_INTERLACE) ? context->evenbuf : (uint16_t )blankbuf;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	207 uint16_t * oddbuf = context->oddbuf;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	208 buf_16 = (uint16_t *)screen->pixels;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	209 for (int y = 0; y < 240; y++) {
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	210 for (int i = 0; i < repeat_y; i++,buf_16 += screen->pitch/2) {
33 2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	211 uint16_t *line = buf_16;
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	212 uint16_t src_line = (i & othermask ? otherbuf : oddbuf) + y 320;
33 2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	213 for (int x = 0; x < 320; x++) {
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	214 uint16_t color = *(src_line++);
33 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++) {
229 d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	216 *(line++) = color;
33 2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	217 }
2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	218 }
2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	219 }
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	220 }
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	221 } else {
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	222 uint32_t otherbuf = (context->regs[REG_MODE_4] & BIT_INTERLACE) ? context->evenbuf : (uint32_t )blankbuf;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	223 uint32_t * oddbuf = context->oddbuf;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	224 buf_32 = (uint32_t *)screen->pixels;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	225 for (int y = 0; y < 240; y++) {
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	226 for (int i = 0; i < repeat_y; i++,buf_32 += screen->pitch/4) {
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	227 uint32_t *line = buf_32;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	228 uint32_t src_line = (i & othermask ? otherbuf : oddbuf) + y 320;
33 2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	229 for (int x = 0; x < 320; x++) {
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	230 uint32_t color = *(src_line++);
33 2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	231 for (int j = 0; j < repeat_x; j++) {
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	232 *(line++) = color;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	233 }
33 2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	234 }
2e15fa26fe58 Add support for simple resolution scaling Mike Pavone <pavone@retrodev.com> parents: 28 diff changeset	235 }
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	236 }
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	237 }
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	238 if ( SDL_MUSTLOCK(screen) ) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	239 SDL_UnlockSurface(screen);
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	240 }
444 cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	241 //SDL_UpdateRect(screen, 0, 0, screen->clip_rect.w, screen->clip_rect.h);
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	242 SDL_Flip(screen);
413 36fbbced25c2 Initial work on interlace Mike Pavone <pavone@retrodev.com> parents: 409 diff changeset	243 if (context->regs[REG_MODE_4] & BIT_INTERLACE)
36fbbced25c2 Initial work on interlace Mike Pavone <pavone@retrodev.com> parents: 409 diff changeset	244 {
36fbbced25c2 Initial work on interlace Mike Pavone <pavone@retrodev.com> parents: 409 diff changeset	245 context->framebuf = context->framebuf == context->oddbuf ? context->evenbuf : context->oddbuf;
36fbbced25c2 Initial work on interlace Mike Pavone <pavone@retrodev.com> parents: 409 diff changeset	246 }
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	247 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	248
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	249 int render_joystick_num_buttons(int joystick)
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	250 {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	251 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	252 return 0;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	253 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	254 return SDL_JoystickNumButtons(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	255 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	256
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	257 int render_joystick_num_hats(int joystick)
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	258 {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	259 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	260 return 0;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	261 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	262 return SDL_JoystickNumHats(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	263 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	264
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	265 void render_wait_quit(vdp_context * context)
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	266 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	267 SDL_Event event;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	268 while(SDL_WaitEvent(&event)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	269 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	270 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	271 if (event.key.keysym.sym == SDLK_LEFTBRACKET) {
55 8317f174d916 Add palette debug to SDL renderer Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	272 render_dbg++;
135 a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	273 if (render_dbg == 4) {
55 8317f174d916 Add palette debug to SDL renderer Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	274 render_dbg = 0;
8317f174d916 Add palette debug to SDL renderer Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	275 }
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	276 render_context(context);
135 a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	277 } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) {
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	278 debug_pal++;
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	279 if (debug_pal == 4) {
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	280 debug_pal = 0;
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	281 }
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	282 }
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	283 break;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	284 case SDL_QUIT:
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	285 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	286 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	287 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	288 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	289
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	290 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	291 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	292 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	293 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	294 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	295 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	296
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	297 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	298 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	299 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	300 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	301 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	302 }
66 7a22a0e6c004 Gamepad support Mike Pavone <pavone@retrodev.com> parents: 64 diff changeset	303
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	304 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	305 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	306 switch (event->type) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	307 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	308 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	309 break;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	310 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	311 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	312 break;
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	313 case SDL_JOYBUTTONDOWN:
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	314 handle_joydown(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	315 break;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	316 case SDL_JOYBUTTONUP:
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	317 handle_joyup(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	318 break;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	319 case SDL_JOYHATMOTION:
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	320 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	321 break;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	322 case SDL_QUIT:
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	323 puts("");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	324 exit(0);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	325 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	326 return 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	327 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	328
63 a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	329 uint32_t frame_counter = 0;
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	330 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	331 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	332 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	333 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	334 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	335 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	336 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	337 }
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	338 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	339 //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	340 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	341 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	342 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	343 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	344 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	345 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	346 }
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	347 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	348 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	349 }
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	350 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	351 render_context(context);
229 d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	352
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 237 diff changeset	353
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	354 //TODO: Figure out why this causes segfaults
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 237 diff changeset	355 /*frame_counter++;
63 a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	356 if ((last_frame - start) > 1000) {
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 237 diff changeset	357 if (start && (last_frame-start)) {
63 a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	358 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	359 fflush(stdout);
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	360 }
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	361 start = last_frame;
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	362 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	363 }*/
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 135 diff changeset	364 return ret;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	365 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	366
409 c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	367 void process_events()
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	368 {
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	369 SDL_Event event;
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	370 while(SDL_PollEvent(&event)) {
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	371 handle_event(&event);
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	372 }
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	373 }
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	374
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	375 void render_wait_psg(psg_context * context)
354 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 SDL_LockMutex(audio_mutex);
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	378 while (current_psg != NULL) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	379 SDL_CondWait(psg_cond, audio_mutex);
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	380 }
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	381 current_psg = context->audio_buffer;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	382 SDL_CondSignal(audio_ready);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	383
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	384 context->audio_buffer = context->back_buffer;
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	385 context->back_buffer = current_psg;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	386 SDL_UnlockMutex(audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	387 context->buffer_pos = 0;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	388 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	389
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	390 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	391 {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	392 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	393 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	394 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	395 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	396 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	397 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	398
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	399 context->audio_buffer = context->back_buffer;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	400 context->back_buffer = current_ym;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	401 SDL_UnlockMutex(audio_mutex);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	402 context->buffer_pos = 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	403 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	404
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	405 void render_fps(uint32_t fps)
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	406 {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	407 frame_delay = 1000/fps;
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	408 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	409
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	410 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	411 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	412 return buffer_samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	413 }
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	414
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	415 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	416 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	417 return sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	418 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	419
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	420

Mercurial > repos > blastem

annotate render_sdl.c @ 478:2e4a4188cfb0