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comparison sms.c @ 1201:aee2177a1630

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Use filename for game title in SMS mode
author Michael Pavone <pavone@retrodev.com>
date Wed, 25 Jan 2017 09:41:12 -0800
parents b1147418254a
children 5ee6b6345ea9
comparison
equal deleted inserted replaced
1200:9661b30bd3f7 1201:aee2177a1630
273 if (sms->vdp->debug_pal == 4) { 273 if (sms->vdp->debug_pal == 4) {
274 sms->vdp->debug_pal = 0; 274 sms->vdp->debug_pal = 0;
275 } 275 }
276 } 276 }
277 277
278 sms_context *alloc_configure_sms(void *rom, uint32_t rom_size, void *extra_rom, uint32_t extra_rom_size, uint32_t opts, uint8_t force_region, rom_info *info_out) 278 sms_context *alloc_configure_sms(system_media *media, uint32_t opts, uint8_t force_region, rom_info *info_out)
279 { 279 {
280 memset(info_out, 0, sizeof(*info_out)); 280 memset(info_out, 0, sizeof(*info_out));
281 sms_context *sms = calloc(1, sizeof(sms_context)); 281 sms_context *sms = calloc(1, sizeof(sms_context));
282 uint32_t orig_size = rom_size; 282 uint32_t rom_size = nearest_pow2(media->size);
283 rom_size = nearest_pow2(rom_size);
284 memmap_chunk memory_map[6]; 283 memmap_chunk memory_map[6];
285 if (orig_size > 0xC000) { 284 if (media->size > 0xC000) {
286 info_out->map_chunks = 6; 285 info_out->map_chunks = 6;
287 uint8_t *ram_reg_overlap = sms->ram + sizeof(sms->ram) - 4; 286 uint8_t *ram_reg_overlap = sms->ram + sizeof(sms->ram) - 4;
288 memory_map[0] = (memmap_chunk){0x0000, 0x0400, 0xFFFF, 0, 0, MMAP_READ, rom, NULL, NULL, NULL, NULL}; 287 memory_map[0] = (memmap_chunk){0x0000, 0x0400, 0xFFFF, 0, 0, MMAP_READ, media->buffer, NULL, NULL, NULL, NULL};
289 memory_map[1] = (memmap_chunk){0x0400, 0x4000, 0xFFFF, 0, 0, MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, NULL, NULL, NULL, NULL, NULL}; 288 memory_map[1] = (memmap_chunk){0x0400, 0x4000, 0xFFFF, 0, 0, MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, NULL, NULL, NULL, NULL, NULL};
290 memory_map[2] = (memmap_chunk){0x4000, 0x8000, 0x3FFF, 0, 1, MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, NULL, NULL, NULL, NULL, NULL}; 289 memory_map[2] = (memmap_chunk){0x4000, 0x8000, 0x3FFF, 0, 1, MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, NULL, NULL, NULL, NULL, NULL};
291 memory_map[3] = (memmap_chunk){0x8000, 0xC000, 0x3FFF, 0, 2, MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, NULL, NULL, NULL, NULL, cart_ram_write}; 290 memory_map[3] = (memmap_chunk){0x8000, 0xC000, 0x3FFF, 0, 2, MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, NULL, NULL, NULL, NULL, cart_ram_write};
292 memory_map[4] = (memmap_chunk){0xC000, 0xFFFC, sizeof(sms->ram)-1, 0, 0, MMAP_READ|MMAP_WRITE|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL}; 291 memory_map[4] = (memmap_chunk){0xC000, 0xFFFC, sizeof(sms->ram)-1, 0, 0, MMAP_READ|MMAP_WRITE|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL};
293 memory_map[5] = (memmap_chunk){0xFFFC, 0x10000, 0x0003, 0, 0, MMAP_READ, ram_reg_overlap, NULL, NULL, NULL, mapper_write}; 292 memory_map[5] = (memmap_chunk){0xFFFC, 0x10000, 0x0003, 0, 0, MMAP_READ, ram_reg_overlap, NULL, NULL, NULL, mapper_write};
294 } else { 293 } else {
295 info_out->map_chunks = 2; 294 info_out->map_chunks = 2;
296 memory_map[0] = (memmap_chunk){0x0000, 0xC000, rom_size-1, 0, 0, MMAP_READ, rom, NULL, NULL, NULL, NULL}; 295 memory_map[0] = (memmap_chunk){0x0000, 0xC000, rom_size-1, 0, 0, MMAP_READ, media->buffer, NULL, NULL, NULL, NULL};
297 memory_map[1] = (memmap_chunk){0xC000, 0x10000, sizeof(sms->ram)-1, 0, 0, MMAP_READ|MMAP_WRITE|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL}; 296 memory_map[1] = (memmap_chunk){0xC000, 0x10000, sizeof(sms->ram)-1, 0, 0, MMAP_READ|MMAP_WRITE|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL};
298 }; 297 };
299 info_out->map = malloc(sizeof(memmap_chunk) * info_out->map_chunks); 298 info_out->map = malloc(sizeof(memmap_chunk) * info_out->map_chunks);
300 memcpy(info_out->map, memory_map, sizeof(memmap_chunk) * info_out->map_chunks); 299 memcpy(info_out->map, memory_map, sizeof(memmap_chunk) * info_out->map_chunks);
301 z80_options *zopts = malloc(sizeof(z80_options)); 300 z80_options *zopts = malloc(sizeof(z80_options));
302 init_z80_opts(zopts, info_out->map, info_out->map_chunks, io_map, 4, 15, 0xFF); 301 init_z80_opts(zopts, info_out->map, info_out->map_chunks, io_map, 4, 15, 0xFF);
303 sms->z80 = init_z80_context(zopts); 302 sms->z80 = init_z80_context(zopts);
304 sms->z80->system = sms; 303 sms->z80->system = sms;
305 sms->z80->options->gen.debug_cmd_handler = debug_commands; 304 sms->z80->options->gen.debug_cmd_handler = debug_commands;
306 305
307 sms->rom = rom; 306 sms->rom = media->buffer;
308 sms->rom_size = rom_size; 307 sms->rom_size = rom_size;
309 if (info_out->map_chunks > 2) { 308 if (info_out->map_chunks > 2) {
310 sms->z80->mem_pointers[0] = sms->rom; 309 sms->z80->mem_pointers[0] = sms->rom;
311 sms->z80->mem_pointers[1] = sms->rom + 0x4000; 310 sms->z80->mem_pointers[1] = sms->rom + 0x4000;
312 sms->z80->mem_pointers[2] = sms->rom + 0x8000; 311 sms->z80->mem_pointers[2] = sms->rom + 0x8000;
327 sms->vdp = malloc(sizeof(vdp_context)); 326 sms->vdp = malloc(sizeof(vdp_context));
328 init_vdp_context(sms->vdp, 0); 327 init_vdp_context(sms->vdp, 0);
329 sms->vdp->system = &sms->header; 328 sms->vdp->system = &sms->header;
330 329
331 info_out->save_type = SAVE_NONE; 330 info_out->save_type = SAVE_NONE;
332 info_out->name = strdup("Master System Game"); 331 info_out->name = strdup(media->name);
333 332
334 setup_io_devices(config, info_out, &sms->io); 333 setup_io_devices(config, info_out, &sms->io);
335 334
336 sms->header.set_speed_percent = set_speed_percent; 335 sms->header.set_speed_percent = set_speed_percent;
337 sms->header.start_context = start_sms; 336 sms->header.start_context = start_sms;