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comparison genesis.c @ 2486:e8eba0cd5444

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Implement turbo/slow for Pico and Copera
author Michael Pavone <pavone@retrodev.com>
date Sun, 14 Apr 2024 12:30:32 -0700
parents 59a299610662
children bfd09d3367ba
comparison
equal deleted inserted replaced
2485:59a299610662 2486:e8eba0cd5444
1874 static void set_speed_percent(system_header * system, uint32_t percent) 1874 static void set_speed_percent(system_header * system, uint32_t percent)
1875 { 1875 {
1876 genesis_context *context = (genesis_context *)system; 1876 genesis_context *context = (genesis_context *)system;
1877 uint32_t old_clock = context->master_clock; 1877 uint32_t old_clock = context->master_clock;
1878 context->master_clock = ((uint64_t)context->normal_clock * (uint64_t)percent) / 100; 1878 context->master_clock = ((uint64_t)context->normal_clock * (uint64_t)percent) / 100;
1879 while (context->ym->current_cycle != context->psg->cycles) { 1879 if (context->header.type != SYSTEM_PICO && context->header.type != SYSTEM_COPERA) {
1880 sync_sound(context, context->psg->cycles + MCLKS_PER_PSG); 1880 while (context->ym->current_cycle != context->psg->cycles) {
1881 } 1881 sync_sound(context, context->psg->cycles + MCLKS_PER_PSG);
1882 if (context->expansion) { 1882 }
1883 segacd_context *cd = context->expansion; 1883 if (context->expansion) {
1884 segacd_set_speed_percent(cd, percent); 1884 segacd_context *cd = context->expansion;
1885 } 1885 segacd_set_speed_percent(cd, percent);
1886 ym_adjust_master_clock(context->ym, context->master_clock); 1886 }
1887 ym_adjust_master_clock(context->ym, context->master_clock);
1888 } else {
1889 while (context->adpcm->cycle != context->psg->cycles) {
1890 sync_sound_pico(context, context->psg->cycles + MCLKS_PER_PSG);
1891 }
1892 if (context->ymz) {
1893 ymz263b_adjust_master_clock(context->ymz, context->master_clock);
1894 }
1895 pico_pcm_adjust_master_clock(context->adpcm, context->master_clock);
1896 }
1887 psg_adjust_master_clock(context->psg, context->master_clock); 1897 psg_adjust_master_clock(context->psg, context->master_clock);
1888 } 1898 }
1889 1899
1890 void set_region(genesis_context *gen, rom_info *info, uint8_t region) 1900 void set_region(genesis_context *gen, rom_info *info, uint8_t region)
1891 { 1901 {
2209 } 2219 }
2210 if (gen->header.type == SYSTEM_PICO || gen->header.type == SYSTEM_COPERA) { 2220 if (gen->header.type == SYSTEM_PICO || gen->header.type == SYSTEM_COPERA) {
2211 pico_pcm_free(gen->adpcm); 2221 pico_pcm_free(gen->adpcm);
2212 free(gen->adpcm); 2222 free(gen->adpcm);
2213 if (gen->ymz) { 2223 if (gen->ymz) {
2214 //TODO: call cleanup function once it exists 2224 ymz263b_free(gen->ymz);
2215 free(gen->ymz); 2225 free(gen->ymz);
2216 } 2226 }
2217 } else { 2227 } else {
2218 ym_free(gen->ym); 2228 ym_free(gen->ym);
2219 } 2229 }