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comparison blastem.c @ 785:0e5f14d9a579

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Prep for 0.3.0 release
author Michael Pavone <pavone@retrodev.com>
date Tue, 21 Jul 2015 22:03:58 -0700
parents 6e1711d56633
children 283bdcd5bdb8
comparison
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784:c3e3a0d734e2 785:0e5f14d9a579
16 #include "romdb.h" 16 #include "romdb.h"
17 #include <stdio.h> 17 #include <stdio.h>
18 #include <stdlib.h> 18 #include <stdlib.h>
19 #include <string.h> 19 #include <string.h>
20 20
21 #define BLASTEM_VERSION "0.2.0" 21 #define BLASTEM_VERSION "0.3.0"
22 22
23 #define MCLKS_NTSC 53693175 23 #define MCLKS_NTSC 53693175
24 #define MCLKS_PAL 53203395 24 #define MCLKS_PAL 53203395
25 25
26 #define MCLKS_PER_68K 7 26 #define MCLKS_PER_68K 7
27 #define MCLKS_PER_YM MCLKS_PER_68K 27 #define MCLKS_PER_YM MCLKS_PER_68K
28 #define MCLKS_PER_Z80 15 28 #define MCLKS_PER_Z80 15
29 #define MCLKS_PER_PSG (MCLKS_PER_Z80*16) 29 #define MCLKS_PER_PSG (MCLKS_PER_Z80*16)
30 #define DEFAULT_SYNC_INTERVAL MCLKS_LINE
30 31
31 //TODO: Figure out the exact value for this 32 //TODO: Figure out the exact value for this
32 #define LINES_NTSC 262 33 #define LINES_NTSC 262
33 #define LINES_PAL 312 34 #define LINES_PAL 312
34 35
223 vdp_context * v_context = gen->vdp; 224 vdp_context * v_context = gen->vdp;
224 z80_context * z_context = gen->z80; 225 z80_context * z_context = gen->z80;
225 uint32_t mclks = context->current_cycle; 226 uint32_t mclks = context->current_cycle;
226 sync_z80(z_context, mclks); 227 sync_z80(z_context, mclks);
227 sync_sound(gen, mclks); 228 sync_sound(gen, mclks);
228 while (context->current_cycle > mclks) {
229 mclks = context->current_cycle;
230 sync_z80(z_context, mclks);
231 sync_sound(gen, mclks);
232 }
233 vdp_run_context(v_context, mclks); 229 vdp_run_context(v_context, mclks);
234 if (v_context->frame != last_frame_num) { 230 if (v_context->frame != last_frame_num) {
235 //printf("reached frame end %d | MCLK Cycles: %d, Target: %d, VDP cycles: %d, vcounter: %d, hslot: %d\n", last_frame_num, mclks, gen->frame_end, v_context->cycles, v_context->vcounter, v_context->hslot); 231 //printf("reached frame end %d | MCLK Cycles: %d, Target: %d, VDP cycles: %d, vcounter: %d, hslot: %d\n", last_frame_num, mclks, gen->frame_end, v_context->cycles, v_context->vcounter, v_context->hslot);
236 last_frame_num = v_context->frame; 232 last_frame_num = v_context->frame;
237 233
1051 gen.master_clock = gen.normal_clock = fps == 60 ? MCLKS_NTSC : MCLKS_PAL; 1047 gen.master_clock = gen.normal_clock = fps == 60 ? MCLKS_NTSC : MCLKS_PAL;
1052 1048
1053 init_vdp_context(&v_context, version_reg & 0x40); 1049 init_vdp_context(&v_context, version_reg & 0x40);
1054 gen.frame_end = vdp_cycles_to_frame_end(&v_context); 1050 gen.frame_end = vdp_cycles_to_frame_end(&v_context);
1055 char * config_cycles = tern_find_path(config, "clocks\0max_cycles\0").ptrval; 1051 char * config_cycles = tern_find_path(config, "clocks\0max_cycles\0").ptrval;
1056 gen.max_cycles = config_cycles ? atoi(config_cycles) : 10000000; 1052 gen.max_cycles = config_cycles ? atoi(config_cycles) : DEFAULT_SYNC_INTERVAL;
1057 1053
1058 ym2612_context y_context; 1054 ym2612_context y_context;
1059 ym_init(&y_context, render_sample_rate(), gen.master_clock, MCLKS_PER_YM, render_audio_buffer(), ym_log ? YM_OPT_WAVE_LOG : 0); 1055 ym_init(&y_context, render_sample_rate(), gen.master_clock, MCLKS_PER_YM, render_audio_buffer(), ym_log ? YM_OPT_WAVE_LOG : 0);
1060 1056
1061 psg_context p_context; 1057 psg_context p_context;