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comparison genesis.c @ 1906:2d462aa78349

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Make VDP VSRAM capacity respect model selection
author Michael Pavone <pavone@retrodev.com>
date Thu, 27 Feb 2020 18:38:15 -0800
parents 8312e574100a
children b021ca0bc375
comparison
equal deleted inserted replaced
1905:1ec6931d0a49 1906:2d462aa78349
1407 uint8_t tmss = !strcmp(tern_find_ptr_default(model, "tmss", "off"), "on"); 1407 uint8_t tmss = !strcmp(tern_find_ptr_default(model, "tmss", "off"), "on");
1408 if (tmss) { 1408 if (tmss) {
1409 gen->version_reg |= 1; 1409 gen->version_reg |= 1;
1410 } 1410 }
1411 1411
1412 gen->vdp = init_vdp_context(gen->version_reg & 0x40); 1412 uint8_t max_vsram = !strcmp(tern_find_ptr_default(model, "vsram", "40"), "64");
1413 gen->vdp = init_vdp_context(gen->version_reg & 0x40, max_vsram);
1413 gen->vdp->system = &gen->header; 1414 gen->vdp->system = &gen->header;
1414 gen->frame_end = vdp_cycles_to_frame_end(gen->vdp); 1415 gen->frame_end = vdp_cycles_to_frame_end(gen->vdp);
1415 char * config_cycles = tern_find_path(config, "clocks\0max_cycles\0", TVAL_PTR).ptrval; 1416 char * config_cycles = tern_find_path(config, "clocks\0max_cycles\0", TVAL_PTR).ptrval;
1416 gen->max_cycles = config_cycles ? atoi(config_cycles) : DEFAULT_SYNC_INTERVAL; 1417 gen->max_cycles = config_cycles ? atoi(config_cycles) : DEFAULT_SYNC_INTERVAL;
1417 gen->int_latency_prev1 = MCLKS_PER_68K * 32; 1418 gen->int_latency_prev1 = MCLKS_PER_68K * 32;
1472 } 1473 }
1473 for (int i = 0; i < CRAM_SIZE; i++) 1474 for (int i = 0; i < CRAM_SIZE; i++)
1474 { 1475 {
1475 write_cram_internal(gen->vdp, i, rand()); 1476 write_cram_internal(gen->vdp, i, rand());
1476 } 1477 }
1477 for (int i = 0; i < VSRAM_SIZE; i++) 1478 for (int i = 0; i < gen->vdp->vsram_size; i++)
1478 { 1479 {
1479 gen->vdp->vsram[i] = rand(); 1480 gen->vdp->vsram[i] = rand();
1480 } 1481 }
1481 } 1482 }
1482 setup_io_devices(config, rom, &gen->io); 1483 setup_io_devices(config, rom, &gen->io);