| 1 | /* |
| 2 | * libretro core glue for PicoDrive |
| 3 | * (C) notaz, 2013 |
| 4 | * |
| 5 | * This work is licensed under the terms of MAME license. |
| 6 | * See COPYING file in the top-level directory. |
| 7 | */ |
| 8 | |
| 9 | #define _GNU_SOURCE 1 // mremap |
| 10 | #include <stdio.h> |
| 11 | #include <stdarg.h> |
| 12 | #include <string.h> |
| 13 | #include <sys/mman.h> |
| 14 | #include <errno.h> |
| 15 | #ifdef __MACH__ |
| 16 | #include <libkern/OSCacheControl.h> |
| 17 | #endif |
| 18 | |
| 19 | #include <pico/pico_int.h> |
| 20 | #include "common/input_pico.h" |
| 21 | #include "common/version.h" |
| 22 | #include "libretro.h" |
| 23 | |
| 24 | #ifndef MAP_ANONYMOUS |
| 25 | #define MAP_ANONYMOUS MAP_ANON |
| 26 | #endif |
| 27 | |
| 28 | static retro_video_refresh_t video_cb; |
| 29 | static retro_input_poll_t input_poll_cb; |
| 30 | static retro_input_state_t input_state_cb; |
| 31 | static retro_environment_t environ_cb; |
| 32 | static retro_audio_sample_batch_t audio_batch_cb; |
| 33 | |
| 34 | static FILE *emu_log; |
| 35 | |
| 36 | #define VOUT_MAX_WIDTH 320 |
| 37 | #define VOUT_MAX_HEIGHT 240 |
| 38 | static void *vout_buf; |
| 39 | static int vout_width, vout_height; |
| 40 | |
| 41 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50]; |
| 42 | |
| 43 | // FIXME: these 2 shouldn't be here |
| 44 | static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)]; |
| 45 | unsigned char *PicoDraw2FB = PicoDraw2FB_; |
| 46 | |
| 47 | static void snd_write(int len); |
| 48 | |
| 49 | #ifdef _WIN32 |
| 50 | #define SLASH '\\' |
| 51 | #else |
| 52 | #define SLASH '/' |
| 53 | #endif |
| 54 | |
| 55 | /* functions called by the core */ |
| 56 | |
| 57 | void cache_flush_d_inval_i(void *start, void *end) |
| 58 | { |
| 59 | #ifdef __arm__ |
| 60 | #if defined(__BLACKBERRY_QNX__) |
| 61 | msync(start, end - start, MS_SYNC | MS_CACHE_ONLY | MS_INVALIDATE_ICACHE); |
| 62 | #elif defined(__MACH__) |
| 63 | size_t len = (char *)end - (char *)start; |
| 64 | sys_dcache_flush(start, len); |
| 65 | sys_icache_invalidate(start, len); |
| 66 | #else |
| 67 | __clear_cache(start, end); |
| 68 | #endif |
| 69 | #endif |
| 70 | } |
| 71 | |
| 72 | void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed) |
| 73 | { |
| 74 | int flags = MAP_PRIVATE | MAP_ANONYMOUS; |
| 75 | void *req, *ret; |
| 76 | |
| 77 | req = (void *)addr; |
| 78 | ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0); |
| 79 | if (ret == MAP_FAILED) { |
| 80 | lprintf("mmap(%08lx, %zd) failed: %d\n", addr, size, errno); |
| 81 | return NULL; |
| 82 | } |
| 83 | |
| 84 | if (addr != 0 && ret != (void *)addr) { |
| 85 | lprintf("warning: wanted to map @%08lx, got %p\n", |
| 86 | addr, ret); |
| 87 | |
| 88 | if (is_fixed) { |
| 89 | munmap(ret, size); |
| 90 | return NULL; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | return ret; |
| 95 | } |
| 96 | |
| 97 | void *plat_mremap(void *ptr, size_t oldsize, size_t newsize) |
| 98 | { |
| 99 | #ifdef __linux__ |
| 100 | void *ret = mremap(ptr, oldsize, newsize, 0); |
| 101 | if (ret == MAP_FAILED) |
| 102 | return NULL; |
| 103 | |
| 104 | return ret; |
| 105 | #else |
| 106 | void *tmp, *ret; |
| 107 | size_t preserve_size; |
| 108 | |
| 109 | preserve_size = oldsize; |
| 110 | if (preserve_size > newsize) |
| 111 | preserve_size = newsize; |
| 112 | tmp = malloc(preserve_size); |
| 113 | if (tmp == NULL) |
| 114 | return NULL; |
| 115 | memcpy(tmp, ptr, preserve_size); |
| 116 | |
| 117 | munmap(ptr, oldsize); |
| 118 | ret = mmap(ptr, newsize, PROT_READ | PROT_WRITE, |
| 119 | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
| 120 | if (ret == MAP_FAILED) { |
| 121 | free(tmp); |
| 122 | return NULL; |
| 123 | } |
| 124 | memcpy(ret, tmp, preserve_size); |
| 125 | free(tmp); |
| 126 | return ret; |
| 127 | #endif |
| 128 | } |
| 129 | |
| 130 | void plat_munmap(void *ptr, size_t size) |
| 131 | { |
| 132 | if (ptr != NULL) |
| 133 | munmap(ptr, size); |
| 134 | } |
| 135 | |
| 136 | int plat_mem_set_exec(void *ptr, size_t size) |
| 137 | { |
| 138 | int ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC); |
| 139 | if (ret != 0) |
| 140 | lprintf("mprotect(%p, %zd) failed: %d\n", ptr, size, errno); |
| 141 | |
| 142 | return ret; |
| 143 | } |
| 144 | |
| 145 | void emu_video_mode_change(int start_line, int line_count, int is_32cols) |
| 146 | { |
| 147 | memset(vout_buf, 0, 320 * 240 * 2); |
| 148 | vout_width = is_32cols ? 256 : 320; |
| 149 | PicoDrawSetOutBuf(vout_buf, vout_width * 2); |
| 150 | } |
| 151 | |
| 152 | void emu_32x_startup(void) |
| 153 | { |
| 154 | PicoDrawSetOutFormat(PDF_RGB555, 1); |
| 155 | } |
| 156 | |
| 157 | #ifndef ANDROID |
| 158 | |
| 159 | void lprintf(const char *fmt, ...) |
| 160 | { |
| 161 | va_list list; |
| 162 | |
| 163 | va_start(list, fmt); |
| 164 | fprintf(emu_log, "PicoDrive: "); |
| 165 | vfprintf(emu_log, fmt, list); |
| 166 | va_end(list); |
| 167 | fflush(emu_log); |
| 168 | } |
| 169 | |
| 170 | #else |
| 171 | |
| 172 | #include <android/log.h> |
| 173 | |
| 174 | void lprintf(const char *fmt, ...) |
| 175 | { |
| 176 | va_list list; |
| 177 | |
| 178 | va_start(list, fmt); |
| 179 | __android_log_vprint(ANDROID_LOG_INFO, "PicoDrive", fmt, list); |
| 180 | va_end(list); |
| 181 | } |
| 182 | |
| 183 | #endif |
| 184 | |
| 185 | /* libretro */ |
| 186 | void retro_set_environment(retro_environment_t cb) |
| 187 | { |
| 188 | static const struct retro_variable vars[] = { |
| 189 | //{ "region", "Region; Auto|NTSC|PAL" }, |
| 190 | { NULL, NULL }, |
| 191 | }; |
| 192 | |
| 193 | environ_cb = cb; |
| 194 | |
| 195 | cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars); |
| 196 | } |
| 197 | |
| 198 | void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; } |
| 199 | void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; } |
| 200 | void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; } |
| 201 | void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; } |
| 202 | void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; } |
| 203 | |
| 204 | unsigned retro_api_version(void) |
| 205 | { |
| 206 | return RETRO_API_VERSION; |
| 207 | } |
| 208 | |
| 209 | void retro_set_controller_port_device(unsigned port, unsigned device) |
| 210 | { |
| 211 | } |
| 212 | |
| 213 | void retro_get_system_info(struct retro_system_info *info) |
| 214 | { |
| 215 | memset(info, 0, sizeof(*info)); |
| 216 | info->library_name = "PicoDrive"; |
| 217 | info->library_version = VERSION; |
| 218 | info->valid_extensions = "bin|gen|smd|md|32x|cue|iso|sms"; |
| 219 | info->need_fullpath = true; |
| 220 | } |
| 221 | |
| 222 | void retro_get_system_av_info(struct retro_system_av_info *info) |
| 223 | { |
| 224 | memset(info, 0, sizeof(*info)); |
| 225 | info->timing.fps = Pico.m.pal ? 50 : 60; |
| 226 | info->timing.sample_rate = 44100; |
| 227 | info->geometry.base_width = 320; |
| 228 | info->geometry.base_height = 240; |
| 229 | info->geometry.max_width = VOUT_MAX_WIDTH; |
| 230 | info->geometry.max_height = VOUT_MAX_HEIGHT; |
| 231 | info->geometry.aspect_ratio = 4.0 / 3.0; |
| 232 | } |
| 233 | |
| 234 | /* savestates - TODO */ |
| 235 | size_t retro_serialize_size(void) |
| 236 | { |
| 237 | return 0; |
| 238 | } |
| 239 | |
| 240 | bool retro_serialize(void *data, size_t size) |
| 241 | { |
| 242 | return false; |
| 243 | } |
| 244 | |
| 245 | bool retro_unserialize(const void *data, size_t size) |
| 246 | { |
| 247 | return false; |
| 248 | } |
| 249 | |
| 250 | /* cheats - TODO */ |
| 251 | void retro_cheat_reset(void) |
| 252 | { |
| 253 | } |
| 254 | |
| 255 | void retro_cheat_set(unsigned index, bool enabled, const char *code) |
| 256 | { |
| 257 | } |
| 258 | |
| 259 | /* multidisk support */ |
| 260 | static bool disk_ejected; |
| 261 | static unsigned int disk_current_index; |
| 262 | static unsigned int disk_count; |
| 263 | static struct disks_state { |
| 264 | char *fname; |
| 265 | } disks[8]; |
| 266 | |
| 267 | static bool disk_set_eject_state(bool ejected) |
| 268 | { |
| 269 | // TODO? |
| 270 | disk_ejected = ejected; |
| 271 | return true; |
| 272 | } |
| 273 | |
| 274 | static bool disk_get_eject_state(void) |
| 275 | { |
| 276 | return disk_ejected; |
| 277 | } |
| 278 | |
| 279 | static unsigned int disk_get_image_index(void) |
| 280 | { |
| 281 | return disk_current_index; |
| 282 | } |
| 283 | |
| 284 | static bool disk_set_image_index(unsigned int index) |
| 285 | { |
| 286 | cd_img_type cd_type; |
| 287 | int ret; |
| 288 | |
| 289 | if (index >= sizeof(disks) / sizeof(disks[0])) |
| 290 | return false; |
| 291 | |
| 292 | if (disks[index].fname == NULL) { |
| 293 | lprintf("missing disk #%u\n", index); |
| 294 | |
| 295 | // RetroArch specifies "no disk" with index == count, |
| 296 | // so don't fail here.. |
| 297 | disk_current_index = index; |
| 298 | return true; |
| 299 | } |
| 300 | |
| 301 | lprintf("switching to disk %u: \"%s\"\n", index, |
| 302 | disks[index].fname); |
| 303 | |
| 304 | ret = -1; |
| 305 | cd_type = PicoCdCheck(disks[index].fname, NULL); |
| 306 | if (cd_type != CIT_NOT_CD) |
| 307 | ret = Insert_CD(disks[index].fname, cd_type); |
| 308 | if (ret != 0) { |
| 309 | lprintf("Load failed, invalid CD image?\n"); |
| 310 | return 0; |
| 311 | } |
| 312 | |
| 313 | disk_current_index = index; |
| 314 | return true; |
| 315 | } |
| 316 | |
| 317 | static unsigned int disk_get_num_images(void) |
| 318 | { |
| 319 | return disk_count; |
| 320 | } |
| 321 | |
| 322 | static bool disk_replace_image_index(unsigned index, |
| 323 | const struct retro_game_info *info) |
| 324 | { |
| 325 | bool ret = true; |
| 326 | |
| 327 | if (index >= sizeof(disks) / sizeof(disks[0])) |
| 328 | return false; |
| 329 | |
| 330 | if (disks[index].fname != NULL) |
| 331 | free(disks[index].fname); |
| 332 | disks[index].fname = NULL; |
| 333 | |
| 334 | if (info != NULL) { |
| 335 | disks[index].fname = strdup(info->path); |
| 336 | if (index == disk_current_index) |
| 337 | ret = disk_set_image_index(index); |
| 338 | } |
| 339 | |
| 340 | return ret; |
| 341 | } |
| 342 | |
| 343 | static bool disk_add_image_index(void) |
| 344 | { |
| 345 | if (disk_count >= sizeof(disks) / sizeof(disks[0])) |
| 346 | return false; |
| 347 | |
| 348 | disk_count++; |
| 349 | return true; |
| 350 | } |
| 351 | |
| 352 | static struct retro_disk_control_callback disk_control = { |
| 353 | .set_eject_state = disk_set_eject_state, |
| 354 | .get_eject_state = disk_get_eject_state, |
| 355 | .get_image_index = disk_get_image_index, |
| 356 | .set_image_index = disk_set_image_index, |
| 357 | .get_num_images = disk_get_num_images, |
| 358 | .replace_image_index = disk_replace_image_index, |
| 359 | .add_image_index = disk_add_image_index, |
| 360 | }; |
| 361 | |
| 362 | static void disk_tray_open(void) |
| 363 | { |
| 364 | lprintf("cd tray open\n"); |
| 365 | disk_ejected = 1; |
| 366 | } |
| 367 | |
| 368 | static void disk_tray_close(void) |
| 369 | { |
| 370 | lprintf("cd tray close\n"); |
| 371 | disk_ejected = 0; |
| 372 | } |
| 373 | |
| 374 | |
| 375 | static const char * const biosfiles_us[] = { |
| 376 | "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303", "bios_CD_U" |
| 377 | }; |
| 378 | static const char * const biosfiles_eu[] = { |
| 379 | "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303", "bios_CD_E" |
| 380 | }; |
| 381 | static const char * const biosfiles_jp[] = { |
| 382 | "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J" |
| 383 | }; |
| 384 | |
| 385 | static void make_system_path(char *buf, size_t buf_size, |
| 386 | const char *name, const char *ext) |
| 387 | { |
| 388 | const char *dir = NULL; |
| 389 | |
| 390 | if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) { |
| 391 | snprintf(buf, buf_size, "%s%c%s%s", dir, SLASH, name, ext); |
| 392 | } |
| 393 | else { |
| 394 | snprintf(buf, buf_size, "%s%s", name, ext); |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | static const char *find_bios(int *region, const char *cd_fname) |
| 399 | { |
| 400 | const char * const *files; |
| 401 | static char path[256]; |
| 402 | int i, count; |
| 403 | FILE *f = NULL; |
| 404 | |
| 405 | if (*region == 4) { // US |
| 406 | files = biosfiles_us; |
| 407 | count = sizeof(biosfiles_us) / sizeof(char *); |
| 408 | } else if (*region == 8) { // EU |
| 409 | files = biosfiles_eu; |
| 410 | count = sizeof(biosfiles_eu) / sizeof(char *); |
| 411 | } else if (*region == 1 || *region == 2) { |
| 412 | files = biosfiles_jp; |
| 413 | count = sizeof(biosfiles_jp) / sizeof(char *); |
| 414 | } else { |
| 415 | return NULL; |
| 416 | } |
| 417 | |
| 418 | for (i = 0; i < count; i++) |
| 419 | { |
| 420 | make_system_path(path, sizeof(path), files[i], ".bin"); |
| 421 | f = fopen(path, "rb"); |
| 422 | if (f != NULL) |
| 423 | break; |
| 424 | |
| 425 | make_system_path(path, sizeof(path), files[i], ".zip"); |
| 426 | f = fopen(path, "rb"); |
| 427 | if (f != NULL) |
| 428 | break; |
| 429 | } |
| 430 | |
| 431 | if (f != NULL) { |
| 432 | lprintf("using bios: %s\n", path); |
| 433 | fclose(f); |
| 434 | return path; |
| 435 | } |
| 436 | |
| 437 | return NULL; |
| 438 | } |
| 439 | |
| 440 | bool retro_load_game(const struct retro_game_info *info) |
| 441 | { |
| 442 | enum media_type_e media_type; |
| 443 | static char carthw_path[256]; |
| 444 | size_t i; |
| 445 | |
| 446 | enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565; |
| 447 | if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) { |
| 448 | lprintf("RGB565 suppot required, sorry\n"); |
| 449 | return false; |
| 450 | } |
| 451 | |
| 452 | if (info == NULL || info->path == NULL) { |
| 453 | lprintf("info->path required\n"); |
| 454 | return false; |
| 455 | } |
| 456 | |
| 457 | for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) { |
| 458 | if (disks[i].fname != NULL) { |
| 459 | free(disks[i].fname); |
| 460 | disks[i].fname = NULL; |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | disk_current_index = 0; |
| 465 | disk_count = 1; |
| 466 | disks[0].fname = strdup(info->path); |
| 467 | |
| 468 | make_system_path(carthw_path, sizeof(carthw_path), "carthw", ".cfg"); |
| 469 | |
| 470 | media_type = PicoLoadMedia(info->path, carthw_path, |
| 471 | find_bios, NULL); |
| 472 | |
| 473 | switch (media_type) { |
| 474 | case PM_BAD_DETECT: |
| 475 | lprintf("Failed to detect ROM/CD image type.\n"); |
| 476 | return false; |
| 477 | case PM_BAD_CD: |
| 478 | lprintf("Invalid CD image\n"); |
| 479 | return false; |
| 480 | case PM_BAD_CD_NO_BIOS: |
| 481 | lprintf("Missing BIOS\n"); |
| 482 | return false; |
| 483 | case PM_ERROR: |
| 484 | lprintf("Load error\n"); |
| 485 | return false; |
| 486 | default: |
| 487 | break; |
| 488 | } |
| 489 | |
| 490 | PicoLoopPrepare(); |
| 491 | |
| 492 | PicoWriteSound = snd_write; |
| 493 | memset(sndBuffer, 0, sizeof(sndBuffer)); |
| 494 | PsndOut = sndBuffer; |
| 495 | PsndRerate(1); |
| 496 | |
| 497 | return true; |
| 498 | } |
| 499 | |
| 500 | bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) |
| 501 | { |
| 502 | return false; |
| 503 | } |
| 504 | |
| 505 | void retro_unload_game(void) |
| 506 | { |
| 507 | } |
| 508 | |
| 509 | unsigned retro_get_region(void) |
| 510 | { |
| 511 | return Pico.m.pal ? RETRO_REGION_PAL : RETRO_REGION_NTSC; |
| 512 | } |
| 513 | |
| 514 | void *retro_get_memory_data(unsigned id) |
| 515 | { |
| 516 | if (id != RETRO_MEMORY_SAVE_RAM) |
| 517 | return NULL; |
| 518 | |
| 519 | if (PicoAHW & PAHW_MCD) |
| 520 | return Pico_mcd->bram; |
| 521 | else |
| 522 | return SRam.data; |
| 523 | } |
| 524 | |
| 525 | size_t retro_get_memory_size(unsigned id) |
| 526 | { |
| 527 | if (id != RETRO_MEMORY_SAVE_RAM) |
| 528 | return 0; |
| 529 | |
| 530 | if (PicoAHW & PAHW_MCD) |
| 531 | // bram |
| 532 | return 0x2000; |
| 533 | else |
| 534 | return SRam.size; |
| 535 | } |
| 536 | |
| 537 | void retro_reset(void) |
| 538 | { |
| 539 | PicoReset(); |
| 540 | } |
| 541 | |
| 542 | static const unsigned short retro_pico_map[] = { |
| 543 | [RETRO_DEVICE_ID_JOYPAD_B] = 1 << GBTN_B, |
| 544 | [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << GBTN_A, |
| 545 | [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << GBTN_MODE, |
| 546 | [RETRO_DEVICE_ID_JOYPAD_START] = 1 << GBTN_START, |
| 547 | [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << GBTN_UP, |
| 548 | [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << GBTN_DOWN, |
| 549 | [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << GBTN_LEFT, |
| 550 | [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << GBTN_RIGHT, |
| 551 | [RETRO_DEVICE_ID_JOYPAD_A] = 1 << GBTN_C, |
| 552 | [RETRO_DEVICE_ID_JOYPAD_X] = 1 << GBTN_Y, |
| 553 | [RETRO_DEVICE_ID_JOYPAD_L] = 1 << GBTN_X, |
| 554 | [RETRO_DEVICE_ID_JOYPAD_R] = 1 << GBTN_Z, |
| 555 | }; |
| 556 | #define RETRO_PICO_MAP_LEN (sizeof(retro_pico_map) / sizeof(retro_pico_map[0])) |
| 557 | |
| 558 | static void snd_write(int len) |
| 559 | { |
| 560 | audio_batch_cb(PsndOut, len / 4); |
| 561 | } |
| 562 | |
| 563 | void retro_run(void) |
| 564 | { |
| 565 | bool updated = false; |
| 566 | int pad, i; |
| 567 | |
| 568 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) |
| 569 | ; //update_variables(true); |
| 570 | |
| 571 | input_poll_cb(); |
| 572 | |
| 573 | PicoPad[0] = PicoPad[1] = 0; |
| 574 | for (pad = 0; pad < 2; pad++) |
| 575 | for (i = 0; i < RETRO_PICO_MAP_LEN; i++) |
| 576 | if (input_state_cb(pad, RETRO_DEVICE_JOYPAD, 0, i)) |
| 577 | PicoPad[pad] |= retro_pico_map[i]; |
| 578 | |
| 579 | PicoFrame(); |
| 580 | |
| 581 | video_cb(vout_buf, vout_width, vout_height, vout_width * 2); |
| 582 | } |
| 583 | |
| 584 | void retro_init(void) |
| 585 | { |
| 586 | int level; |
| 587 | |
| 588 | #ifdef IOS |
| 589 | emu_log = fopen("/User/Documents/PicoDrive.log", "w"); |
| 590 | if (emu_log == NULL) |
| 591 | emu_log = fopen("PicoDrive.log", "w"); |
| 592 | if (emu_log == NULL) |
| 593 | #endif |
| 594 | emu_log = stdout; |
| 595 | |
| 596 | level = 0; |
| 597 | environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); |
| 598 | |
| 599 | environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control); |
| 600 | |
| 601 | PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
| 602 | | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |
| 603 | | POPT_EN_32X|POPT_EN_PWM |
| 604 | | POPT_ACC_SPRITES|POPT_DIS_32C_BORDER; |
| 605 | #ifdef __arm__ |
| 606 | PicoOpt |= POPT_EN_SVP_DRC; |
| 607 | #endif |
| 608 | PsndRate = 44100; |
| 609 | PicoAutoRgnOrder = 0x184; // US, EU, JP |
| 610 | PicoCDBuffers = 0; |
| 611 | |
| 612 | vout_width = 320; |
| 613 | vout_height = 240; |
| 614 | vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2); |
| 615 | |
| 616 | PicoInit(); |
| 617 | PicoDrawSetOutFormat(PDF_RGB555, 1); |
| 618 | PicoDrawSetOutBuf(vout_buf, vout_width * 2); |
| 619 | |
| 620 | //PicoMessage = plat_status_msg_busy_next; |
| 621 | PicoMCDopenTray = disk_tray_open; |
| 622 | PicoMCDcloseTray = disk_tray_close; |
| 623 | } |
| 624 | |
| 625 | void retro_deinit(void) |
| 626 | { |
| 627 | PicoExit(); |
| 628 | } |