| | 1 | /* |
| | 2 | * (C) notaz, 2012 |
| | 3 | * |
| | 4 | * This work is licensed under the terms of the GNU GPLv2 or later. |
| | 5 | * See the COPYING file in the top-level directory. |
| | 6 | */ |
| | 7 | |
| | 8 | #define _GNU_SOURCE 1 // strcasestr |
| | 9 | #include <stdio.h> |
| | 10 | #include <stdlib.h> |
| | 11 | #include <string.h> |
| | 12 | #include <strings.h> |
| | 13 | |
| | 14 | #include "../libpcsxcore/misc.h" |
| | 15 | #include "../libpcsxcore/psxcounters.h" |
| | 16 | #include "../libpcsxcore/psxmem_map.h" |
| | 17 | #include "../libpcsxcore/new_dynarec/new_dynarec.h" |
| | 18 | #include "../libpcsxcore/cdrom.h" |
| | 19 | #include "../libpcsxcore/cdriso.h" |
| | 20 | #include "../libpcsxcore/cheat.h" |
| | 21 | #include "../plugins/dfsound/out.h" |
| | 22 | #include "../plugins/dfinput/externals.h" |
| | 23 | #include "cspace.h" |
| | 24 | #include "main.h" |
| | 25 | #include "plugin.h" |
| | 26 | #include "plugin_lib.h" |
| | 27 | #include "revision.h" |
| | 28 | #include "libretro.h" |
| | 29 | |
| | 30 | static retro_video_refresh_t video_cb; |
| | 31 | static retro_input_poll_t input_poll_cb; |
| | 32 | static retro_input_state_t input_state_cb; |
| | 33 | static retro_environment_t environ_cb; |
| | 34 | static retro_audio_sample_batch_t audio_batch_cb; |
| | 35 | |
| | 36 | static void *vout_buf; |
| | 37 | static int vout_width, vout_height; |
| | 38 | static int vout_doffs_old, vout_fb_dirty; |
| | 39 | static bool vout_can_dupe; |
| | 40 | |
| | 41 | static int samples_sent, samples_to_send; |
| | 42 | static int plugins_opened; |
| | 43 | static int is_pal_mode; |
| | 44 | |
| | 45 | /* memory card data */ |
| | 46 | extern char Mcd1Data[MCD_SIZE]; |
| | 47 | extern char McdDisable[2]; |
| | 48 | |
| | 49 | /* PCSX ReARMed core calls and stuff */ |
| | 50 | int in_type1, in_type2; |
| | 51 | int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 }; |
| | 52 | int in_keystate; |
| | 53 | int in_enable_vibration; |
| | 54 | |
| | 55 | /* PSX max resolution is 640x512, but with enhancement it's 1024x512 */ |
| | 56 | #define VOUT_MAX_WIDTH 1024 |
| | 57 | #define VOUT_MAX_HEIGHT 512 |
| | 58 | |
| | 59 | static void init_memcard(char *mcd_data) |
| | 60 | { |
| | 61 | unsigned off = 0; |
| | 62 | unsigned i; |
| | 63 | |
| | 64 | memset(mcd_data, 0, MCD_SIZE); |
| | 65 | |
| | 66 | mcd_data[off++] = 'M'; |
| | 67 | mcd_data[off++] = 'C'; |
| | 68 | off += 0x7d; |
| | 69 | mcd_data[off++] = 0x0e; |
| | 70 | |
| | 71 | for (i = 0; i < 15; i++) { |
| | 72 | mcd_data[off++] = 0xa0; |
| | 73 | off += 0x07; |
| | 74 | mcd_data[off++] = 0xff; |
| | 75 | mcd_data[off++] = 0xff; |
| | 76 | off += 0x75; |
| | 77 | mcd_data[off++] = 0xa0; |
| | 78 | } |
| | 79 | |
| | 80 | for (i = 0; i < 20; i++) { |
| | 81 | mcd_data[off++] = 0xff; |
| | 82 | mcd_data[off++] = 0xff; |
| | 83 | mcd_data[off++] = 0xff; |
| | 84 | mcd_data[off++] = 0xff; |
| | 85 | off += 0x04; |
| | 86 | mcd_data[off++] = 0xff; |
| | 87 | mcd_data[off++] = 0xff; |
| | 88 | off += 0x76; |
| | 89 | } |
| | 90 | } |
| | 91 | |
| | 92 | static int vout_open(void) |
| | 93 | { |
| | 94 | return 0; |
| | 95 | } |
| | 96 | |
| | 97 | static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp) |
| | 98 | { |
| | 99 | vout_width = w; |
| | 100 | vout_height = h; |
| | 101 | } |
| | 102 | |
| | 103 | #ifndef FRONTEND_SUPPORTS_RGB565 |
| | 104 | static void convert(void *buf, size_t bytes) |
| | 105 | { |
| | 106 | unsigned int i, v, *p = buf; |
| | 107 | |
| | 108 | for (i = 0; i < bytes / 4; i++) { |
| | 109 | v = p[i]; |
| | 110 | p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0); |
| | 111 | } |
| | 112 | } |
| | 113 | #endif |
| | 114 | |
| | 115 | static void vout_flip(const void *vram, int stride, int bgr24, int w, int h) |
| | 116 | { |
| | 117 | unsigned short *dest = vout_buf; |
| | 118 | const unsigned short *src = vram; |
| | 119 | int dstride = vout_width, h1 = h; |
| | 120 | int doffs; |
| | 121 | |
| | 122 | if (vram == NULL) { |
| | 123 | // blanking |
| | 124 | memset(vout_buf, 0, dstride * h * 2); |
| | 125 | goto out; |
| | 126 | } |
| | 127 | |
| | 128 | doffs = (vout_height - h) * dstride; |
| | 129 | doffs += (dstride - w) / 2 & ~1; |
| | 130 | if (doffs != vout_doffs_old) { |
| | 131 | // clear borders |
| | 132 | memset(vout_buf, 0, dstride * h * 2); |
| | 133 | vout_doffs_old = doffs; |
| | 134 | } |
| | 135 | dest += doffs; |
| | 136 | |
| | 137 | if (bgr24) |
| | 138 | { |
| | 139 | // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here? |
| | 140 | for (; h1-- > 0; dest += dstride, src += stride) |
| | 141 | { |
| | 142 | bgr888_to_rgb565(dest, src, w * 3); |
| | 143 | } |
| | 144 | } |
| | 145 | else |
| | 146 | { |
| | 147 | for (; h1-- > 0; dest += dstride, src += stride) |
| | 148 | { |
| | 149 | bgr555_to_rgb565(dest, src, w * 2); |
| | 150 | } |
| | 151 | } |
| | 152 | |
| | 153 | out: |
| | 154 | #ifndef FRONTEND_SUPPORTS_RGB565 |
| | 155 | convert(vout_buf, vout_width * vout_height * 2); |
| | 156 | #endif |
| | 157 | vout_fb_dirty = 1; |
| | 158 | pl_rearmed_cbs.flip_cnt++; |
| | 159 | } |
| | 160 | |
| | 161 | static void vout_close(void) |
| | 162 | { |
| | 163 | } |
| | 164 | |
| | 165 | static void *pl_mmap(unsigned int size) |
| | 166 | { |
| | 167 | return psxMap(0, size, 0, MAP_TAG_VRAM); |
| | 168 | } |
| | 169 | |
| | 170 | static void pl_munmap(void *ptr, unsigned int size) |
| | 171 | { |
| | 172 | psxUnmap(ptr, size, MAP_TAG_VRAM); |
| | 173 | } |
| | 174 | |
| | 175 | struct rearmed_cbs pl_rearmed_cbs = { |
| | 176 | .pl_vout_open = vout_open, |
| | 177 | .pl_vout_set_mode = vout_set_mode, |
| | 178 | .pl_vout_flip = vout_flip, |
| | 179 | .pl_vout_close = vout_close, |
| | 180 | .mmap = pl_mmap, |
| | 181 | .munmap = pl_munmap, |
| | 182 | /* from psxcounters */ |
| | 183 | .gpu_hcnt = &hSyncCount, |
| | 184 | .gpu_frame_count = &frame_counter, |
| | 185 | }; |
| | 186 | |
| | 187 | void pl_frame_limit(void) |
| | 188 | { |
| | 189 | /* called once per frame, make psxCpu->Execute() above return */ |
| | 190 | stop = 1; |
| | 191 | } |
| | 192 | |
| | 193 | void pl_timing_prepare(int is_pal) |
| | 194 | { |
| | 195 | is_pal_mode = is_pal; |
| | 196 | } |
| | 197 | |
| | 198 | void plat_trigger_vibrate(int is_strong) |
| | 199 | { |
| | 200 | } |
| | 201 | |
| | 202 | void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in) |
| | 203 | { |
| | 204 | } |
| | 205 | |
| | 206 | /* sound calls */ |
| | 207 | static int snd_init(void) |
| | 208 | { |
| | 209 | return 0; |
| | 210 | } |
| | 211 | |
| | 212 | static void snd_finish(void) |
| | 213 | { |
| | 214 | } |
| | 215 | |
| | 216 | static int snd_busy(void) |
| | 217 | { |
| | 218 | if (samples_to_send > samples_sent) |
| | 219 | return 0; /* give more samples */ |
| | 220 | else |
| | 221 | return 1; |
| | 222 | } |
| | 223 | |
| | 224 | static void snd_feed(void *buf, int bytes) |
| | 225 | { |
| | 226 | audio_batch_cb(buf, bytes / 4); |
| | 227 | samples_sent += bytes / 4; |
| | 228 | } |
| | 229 | |
| | 230 | void out_register_libretro(struct out_driver *drv) |
| | 231 | { |
| | 232 | drv->name = "libretro"; |
| | 233 | drv->init = snd_init; |
| | 234 | drv->finish = snd_finish; |
| | 235 | drv->busy = snd_busy; |
| | 236 | drv->feed = snd_feed; |
| | 237 | } |
| | 238 | |
| | 239 | /* libretro */ |
| | 240 | void retro_set_environment(retro_environment_t cb) |
| | 241 | { |
| | 242 | static const struct retro_variable vars[] = { |
| | 243 | { "frameskip", "Frameskip; 0|1|2|3" }, |
| | 244 | { "region", "Region; Auto|NTSC|PAL" }, |
| | 245 | { "pad1type", "Pad 1 Type; standard|analog" }, |
| | 246 | #ifdef __ARM_NEON__ |
| | 247 | { "neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" }, |
| | 248 | { "neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" }, |
| | 249 | { "neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" }, |
| | 250 | #endif |
| | 251 | { NULL, NULL }, |
| | 252 | }; |
| | 253 | |
| | 254 | environ_cb = cb; |
| | 255 | |
| | 256 | cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars); |
| | 257 | } |
| | 258 | |
| | 259 | void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; } |
| | 260 | void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; } |
| | 261 | void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; } |
| | 262 | void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; } |
| | 263 | void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; } |
| | 264 | |
| | 265 | unsigned retro_api_version(void) |
| | 266 | { |
| | 267 | return RETRO_API_VERSION; |
| | 268 | } |
| | 269 | |
| | 270 | void retro_set_controller_port_device(unsigned port, unsigned device) |
| | 271 | { |
| | 272 | } |
| | 273 | |
| | 274 | void retro_get_system_info(struct retro_system_info *info) |
| | 275 | { |
| | 276 | memset(info, 0, sizeof(*info)); |
| | 277 | info->library_name = "PCSX-ReARMed"; |
| | 278 | info->library_version = "r19"; |
| | 279 | info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u"; |
| | 280 | info->need_fullpath = true; |
| | 281 | } |
| | 282 | |
| | 283 | void retro_get_system_av_info(struct retro_system_av_info *info) |
| | 284 | { |
| | 285 | memset(info, 0, sizeof(*info)); |
| | 286 | info->timing.fps = is_pal_mode ? 50 : 60; |
| | 287 | info->timing.sample_rate = 44100; |
| | 288 | info->geometry.base_width = 320; |
| | 289 | info->geometry.base_height = 240; |
| | 290 | info->geometry.max_width = VOUT_MAX_WIDTH; |
| | 291 | info->geometry.max_height = VOUT_MAX_HEIGHT; |
| | 292 | info->geometry.aspect_ratio = 4.0 / 3.0; |
| | 293 | } |
| | 294 | |
| | 295 | /* savestates */ |
| | 296 | size_t retro_serialize_size(void) |
| | 297 | { |
| | 298 | // it's currently 4380651 bytes, but have some reserved for future |
| | 299 | return 0x430000; |
| | 300 | } |
| | 301 | |
| | 302 | struct save_fp { |
| | 303 | char *buf; |
| | 304 | size_t pos; |
| | 305 | int is_write; |
| | 306 | }; |
| | 307 | |
| | 308 | static void *save_open(const char *name, const char *mode) |
| | 309 | { |
| | 310 | struct save_fp *fp; |
| | 311 | |
| | 312 | if (name == NULL || mode == NULL) |
| | 313 | return NULL; |
| | 314 | |
| | 315 | fp = malloc(sizeof(*fp)); |
| | 316 | if (fp == NULL) |
| | 317 | return NULL; |
| | 318 | |
| | 319 | fp->buf = (char *)name; |
| | 320 | fp->pos = 0; |
| | 321 | fp->is_write = (mode[0] == 'w' || mode[1] == 'w'); |
| | 322 | |
| | 323 | return fp; |
| | 324 | } |
| | 325 | |
| | 326 | static int save_read(void *file, void *buf, u32 len) |
| | 327 | { |
| | 328 | struct save_fp *fp = file; |
| | 329 | if (fp == NULL || buf == NULL) |
| | 330 | return -1; |
| | 331 | |
| | 332 | memcpy(buf, fp->buf + fp->pos, len); |
| | 333 | fp->pos += len; |
| | 334 | return len; |
| | 335 | } |
| | 336 | |
| | 337 | static int save_write(void *file, const void *buf, u32 len) |
| | 338 | { |
| | 339 | struct save_fp *fp = file; |
| | 340 | if (fp == NULL || buf == NULL) |
| | 341 | return -1; |
| | 342 | |
| | 343 | memcpy(fp->buf + fp->pos, buf, len); |
| | 344 | fp->pos += len; |
| | 345 | return len; |
| | 346 | } |
| | 347 | |
| | 348 | static long save_seek(void *file, long offs, int whence) |
| | 349 | { |
| | 350 | struct save_fp *fp = file; |
| | 351 | if (fp == NULL) |
| | 352 | return -1; |
| | 353 | |
| | 354 | switch (whence) { |
| | 355 | case SEEK_CUR: |
| | 356 | fp->pos += offs; |
| | 357 | return fp->pos; |
| | 358 | case SEEK_SET: |
| | 359 | fp->pos = offs; |
| | 360 | return fp->pos; |
| | 361 | default: |
| | 362 | return -1; |
| | 363 | } |
| | 364 | } |
| | 365 | |
| | 366 | static void save_close(void *file) |
| | 367 | { |
| | 368 | struct save_fp *fp = file; |
| | 369 | size_t r_size = retro_serialize_size(); |
| | 370 | if (fp == NULL) |
| | 371 | return; |
| | 372 | |
| | 373 | if (fp->pos > r_size) |
| | 374 | SysPrintf("ERROR: save buffer overflow detected\n"); |
| | 375 | else if (fp->is_write && fp->pos < r_size) |
| | 376 | // make sure we don't save trash in leftover space |
| | 377 | memset(fp->buf + fp->pos, 0, r_size - fp->pos); |
| | 378 | free(fp); |
| | 379 | } |
| | 380 | |
| | 381 | bool retro_serialize(void *data, size_t size) |
| | 382 | { |
| | 383 | int ret = SaveState(data); |
| | 384 | return ret == 0 ? true : false; |
| | 385 | } |
| | 386 | |
| | 387 | bool retro_unserialize(const void *data, size_t size) |
| | 388 | { |
| | 389 | int ret = LoadState(data); |
| | 390 | return ret == 0 ? true : false; |
| | 391 | } |
| | 392 | |
| | 393 | /* cheats */ |
| | 394 | void retro_cheat_reset(void) |
| | 395 | { |
| | 396 | ClearAllCheats(); |
| | 397 | } |
| | 398 | |
| | 399 | void retro_cheat_set(unsigned index, bool enabled, const char *code) |
| | 400 | { |
| | 401 | char buf[256]; |
| | 402 | int ret; |
| | 403 | |
| | 404 | // cheat funcs are destructive, need a copy.. |
| | 405 | strncpy(buf, code, sizeof(buf)); |
| | 406 | buf[sizeof(buf) - 1] = 0; |
| | 407 | |
| | 408 | if (index < NumCheats) |
| | 409 | ret = EditCheat(index, "", buf); |
| | 410 | else |
| | 411 | ret = AddCheat("", buf); |
| | 412 | |
| | 413 | if (ret != 0) |
| | 414 | SysPrintf("Failed to set cheat %#u\n", index); |
| | 415 | else if (index < NumCheats) |
| | 416 | Cheats[index].Enabled = enabled; |
| | 417 | } |
| | 418 | |
| | 419 | /* multidisk support */ |
| | 420 | static bool disk_ejected; |
| | 421 | static unsigned int disk_current_index; |
| | 422 | static unsigned int disk_count; |
| | 423 | static struct disks_state { |
| | 424 | char *fname; |
| | 425 | int internal_index; // for multidisk eboots |
| | 426 | } disks[8]; |
| | 427 | |
| | 428 | static bool disk_set_eject_state(bool ejected) |
| | 429 | { |
| | 430 | // weird PCSX API.. |
| | 431 | SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2)); |
| | 432 | LidInterrupt(); |
| | 433 | |
| | 434 | disk_ejected = ejected; |
| | 435 | return true; |
| | 436 | } |
| | 437 | |
| | 438 | static bool disk_get_eject_state(void) |
| | 439 | { |
| | 440 | /* can't be controlled by emulated software */ |
| | 441 | return disk_ejected; |
| | 442 | } |
| | 443 | |
| | 444 | static unsigned int disk_get_image_index(void) |
| | 445 | { |
| | 446 | return disk_current_index; |
| | 447 | } |
| | 448 | |
| | 449 | static bool disk_set_image_index(unsigned int index) |
| | 450 | { |
| | 451 | if (index >= sizeof(disks) / sizeof(disks[0])) |
| | 452 | return false; |
| | 453 | |
| | 454 | CdromId[0] = '\0'; |
| | 455 | CdromLabel[0] = '\0'; |
| | 456 | |
| | 457 | if (disks[index].fname == NULL) { |
| | 458 | SysPrintf("missing disk #%u\n", index); |
| | 459 | CDR_shutdown(); |
| | 460 | |
| | 461 | // RetroArch specifies "no disk" with index == count, |
| | 462 | // so don't fail here.. |
| | 463 | disk_current_index = index; |
| | 464 | return true; |
| | 465 | } |
| | 466 | |
| | 467 | SysPrintf("switching to disk %u: \"%s\" #%d\n", index, |
| | 468 | disks[index].fname, disks[index].internal_index); |
| | 469 | |
| | 470 | cdrIsoMultidiskSelect = disks[index].internal_index; |
| | 471 | set_cd_image(disks[index].fname); |
| | 472 | if (ReloadCdromPlugin() < 0) { |
| | 473 | SysPrintf("failed to load cdr plugin\n"); |
| | 474 | return false; |
| | 475 | } |
| | 476 | if (CDR_open() < 0) { |
| | 477 | SysPrintf("failed to open cdr plugin\n"); |
| | 478 | return false; |
| | 479 | } |
| | 480 | |
| | 481 | if (!disk_ejected) { |
| | 482 | SetCdOpenCaseTime(time(NULL) + 2); |
| | 483 | LidInterrupt(); |
| | 484 | } |
| | 485 | |
| | 486 | disk_current_index = index; |
| | 487 | return true; |
| | 488 | } |
| | 489 | |
| | 490 | static unsigned int disk_get_num_images(void) |
| | 491 | { |
| | 492 | return disk_count; |
| | 493 | } |
| | 494 | |
| | 495 | static bool disk_replace_image_index(unsigned index, |
| | 496 | const struct retro_game_info *info) |
| | 497 | { |
| | 498 | char *old_fname; |
| | 499 | bool ret = true; |
| | 500 | |
| | 501 | if (index >= sizeof(disks) / sizeof(disks[0])) |
| | 502 | return false; |
| | 503 | |
| | 504 | old_fname = disks[index].fname; |
| | 505 | disks[index].fname = NULL; |
| | 506 | disks[index].internal_index = 0; |
| | 507 | |
| | 508 | if (info != NULL) { |
| | 509 | disks[index].fname = strdup(info->path); |
| | 510 | if (index == disk_current_index) |
| | 511 | ret = disk_set_image_index(index); |
| | 512 | } |
| | 513 | |
| | 514 | if (old_fname != NULL) |
| | 515 | free(old_fname); |
| | 516 | |
| | 517 | return ret; |
| | 518 | } |
| | 519 | |
| | 520 | static bool disk_add_image_index(void) |
| | 521 | { |
| | 522 | if (disk_count >= 8) |
| | 523 | return false; |
| | 524 | |
| | 525 | disk_count++; |
| | 526 | return true; |
| | 527 | } |
| | 528 | |
| | 529 | static struct retro_disk_control_callback disk_control = { |
| | 530 | .set_eject_state = disk_set_eject_state, |
| | 531 | .get_eject_state = disk_get_eject_state, |
| | 532 | .get_image_index = disk_get_image_index, |
| | 533 | .set_image_index = disk_set_image_index, |
| | 534 | .get_num_images = disk_get_num_images, |
| | 535 | .replace_image_index = disk_replace_image_index, |
| | 536 | .add_image_index = disk_add_image_index, |
| | 537 | }; |
| | 538 | |
| | 539 | // just in case, maybe a win-rt port in the future? |
| | 540 | #ifdef _WIN32 |
| | 541 | #define SLASH '\\' |
| | 542 | #else |
| | 543 | #define SLASH '/' |
| | 544 | #endif |
| | 545 | |
| | 546 | static char base_dir[PATH_MAX]; |
| | 547 | |
| | 548 | static bool read_m3u(const char *file) |
| | 549 | { |
| | 550 | char line[PATH_MAX]; |
| | 551 | char name[PATH_MAX]; |
| | 552 | FILE *f = fopen(file, "r"); |
| | 553 | if (!f) |
| | 554 | return false; |
| | 555 | |
| | 556 | while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) { |
| | 557 | if (line[0] == '#') |
| | 558 | continue; |
| | 559 | char *carrige_return = strchr(line, '\r'); |
| | 560 | if (carrige_return) |
| | 561 | *carrige_return = '\0'; |
| | 562 | char *newline = strchr(line, '\n'); |
| | 563 | if (newline) |
| | 564 | *newline = '\0'; |
| | 565 | |
| | 566 | if (line[0] != '\0') |
| | 567 | { |
| | 568 | snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line); |
| | 569 | disks[disk_count++].fname = strdup(name); |
| | 570 | } |
| | 571 | } |
| | 572 | |
| | 573 | fclose(f); |
| | 574 | return (disk_count != 0); |
| | 575 | } |
| | 576 | |
| | 577 | static void extract_directory(char *buf, const char *path, size_t size) |
| | 578 | { |
| | 579 | char *base; |
| | 580 | strncpy(buf, path, size - 1); |
| | 581 | buf[size - 1] = '\0'; |
| | 582 | |
| | 583 | base = strrchr(buf, '/'); |
| | 584 | if (!base) |
| | 585 | base = strrchr(buf, '\\'); |
| | 586 | |
| | 587 | if (base) |
| | 588 | *base = '\0'; |
| | 589 | else |
| | 590 | { |
| | 591 | buf[0] = '.'; |
| | 592 | buf[1] = '\0'; |
| | 593 | } |
| | 594 | } |
| | 595 | |
| | 596 | #ifdef __QNX__ |
| | 597 | /* Blackberry QNX doesn't have strcasestr */ |
| | 598 | |
| | 599 | /* |
| | 600 | * Find the first occurrence of find in s, ignore case. |
| | 601 | */ |
| | 602 | char * |
| | 603 | strcasestr(const char *s, const char*find) |
| | 604 | { |
| | 605 | char c, sc; |
| | 606 | size_t len; |
| | 607 | |
| | 608 | if ((c = *find++) != 0) { |
| | 609 | c = tolower((unsigned char)c); |
| | 610 | len = strlen(find); |
| | 611 | do { |
| | 612 | do { |
| | 613 | if ((sc = *s++) == 0) |
| | 614 | return (NULL); |
| | 615 | } while ((char)tolower((unsigned char)sc) != c); |
| | 616 | } while (strncasecmp(s, find, len) != 0); |
| | 617 | s--; |
| | 618 | } |
| | 619 | return ((char *)s); |
| | 620 | } |
| | 621 | #endif |
| | 622 | |
| | 623 | bool retro_load_game(const struct retro_game_info *info) |
| | 624 | { |
| | 625 | size_t i; |
| | 626 | bool is_m3u = (strcasestr(info->path, ".m3u") != NULL); |
| | 627 | |
| | 628 | #ifdef FRONTEND_SUPPORTS_RGB565 |
| | 629 | enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565; |
| | 630 | if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) { |
| | 631 | SysPrintf("RGB565 supported, using it\n"); |
| | 632 | } |
| | 633 | #endif |
| | 634 | |
| | 635 | if (info == NULL || info->path == NULL) { |
| | 636 | SysPrintf("info->path required\n"); |
| | 637 | return false; |
| | 638 | } |
| | 639 | |
| | 640 | if (plugins_opened) { |
| | 641 | ClosePlugins(); |
| | 642 | plugins_opened = 0; |
| | 643 | } |
| | 644 | |
| | 645 | for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) { |
| | 646 | if (disks[i].fname != NULL) { |
| | 647 | free(disks[i].fname); |
| | 648 | disks[i].fname = NULL; |
| | 649 | } |
| | 650 | disks[i].internal_index = 0; |
| | 651 | } |
| | 652 | |
| | 653 | disk_current_index = 0; |
| | 654 | extract_directory(base_dir, info->path, sizeof(base_dir)); |
| | 655 | |
| | 656 | if (is_m3u) { |
| | 657 | if (!read_m3u(info->path)) { |
| | 658 | SysPrintf("failed to read m3u file\n"); |
| | 659 | return false; |
| | 660 | } |
| | 661 | } else { |
| | 662 | disk_count = 1; |
| | 663 | disks[0].fname = strdup(info->path); |
| | 664 | } |
| | 665 | |
| | 666 | set_cd_image(disks[0].fname); |
| | 667 | |
| | 668 | /* have to reload after set_cd_image for correct cdr plugin */ |
| | 669 | if (LoadPlugins() == -1) { |
| | 670 | SysPrintf("failed to load plugins\n"); |
| | 671 | return false; |
| | 672 | } |
| | 673 | |
| | 674 | plugins_opened = 1; |
| | 675 | NetOpened = 0; |
| | 676 | |
| | 677 | if (OpenPlugins() == -1) { |
| | 678 | SysPrintf("failed to open plugins\n"); |
| | 679 | return false; |
| | 680 | } |
| | 681 | |
| | 682 | plugin_call_rearmed_cbs(); |
| | 683 | dfinput_activate(); |
| | 684 | |
| | 685 | Config.PsxAuto = 1; |
| | 686 | if (CheckCdrom() == -1) { |
| | 687 | SysPrintf("unsupported/invalid CD image: %s\n", info->path); |
| | 688 | return false; |
| | 689 | } |
| | 690 | |
| | 691 | SysReset(); |
| | 692 | |
| | 693 | if (LoadCdrom() == -1) { |
| | 694 | SysPrintf("could not load CD-ROM!\n"); |
| | 695 | return false; |
| | 696 | } |
| | 697 | emu_on_new_cd(0); |
| | 698 | |
| | 699 | // multidisk images |
| | 700 | if (!is_m3u) { |
| | 701 | disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8; |
| | 702 | for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) { |
| | 703 | disks[i].fname = strdup(info->path); |
| | 704 | disks[i].internal_index = i; |
| | 705 | } |
| | 706 | } |
| | 707 | |
| | 708 | return true; |
| | 709 | } |
| | 710 | |
| | 711 | bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) |
| | 712 | { |
| | 713 | return false; |
| | 714 | } |
| | 715 | |
| | 716 | void retro_unload_game(void) |
| | 717 | { |
| | 718 | } |
| | 719 | |
| | 720 | unsigned retro_get_region(void) |
| | 721 | { |
| | 722 | return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC; |
| | 723 | } |
| | 724 | |
| | 725 | void *retro_get_memory_data(unsigned id) |
| | 726 | { |
| | 727 | if (id == RETRO_MEMORY_SAVE_RAM) |
| | 728 | return Mcd1Data; |
| | 729 | else |
| | 730 | return NULL; |
| | 731 | } |
| | 732 | |
| | 733 | size_t retro_get_memory_size(unsigned id) |
| | 734 | { |
| | 735 | if (id == RETRO_MEMORY_SAVE_RAM) |
| | 736 | return MCD_SIZE; |
| | 737 | else |
| | 738 | return 0; |
| | 739 | } |
| | 740 | |
| | 741 | void retro_reset(void) |
| | 742 | { |
| | 743 | SysReset(); |
| | 744 | } |
| | 745 | |
| | 746 | static const unsigned short retro_psx_map[] = { |
| | 747 | [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS, |
| | 748 | [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE, |
| | 749 | [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT, |
| | 750 | [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START, |
| | 751 | [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP, |
| | 752 | [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN, |
| | 753 | [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT, |
| | 754 | [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT, |
| | 755 | [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE, |
| | 756 | [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE, |
| | 757 | [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1, |
| | 758 | [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1, |
| | 759 | [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2, |
| | 760 | [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2, |
| | 761 | [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3, |
| | 762 | [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3, |
| | 763 | }; |
| | 764 | #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0])) |
| | 765 | |
| | 766 | static void update_variables(bool in_flight) |
| | 767 | { |
| | 768 | struct retro_variable var; |
| | 769 | |
| | 770 | var.value = NULL; |
| | 771 | var.key = "frameskip"; |
| | 772 | |
| | 773 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) |
| | 774 | pl_rearmed_cbs.frameskip = atoi(var.value); |
| | 775 | |
| | 776 | var.value = NULL; |
| | 777 | var.key = "region"; |
| | 778 | |
| | 779 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) |
| | 780 | { |
| | 781 | Config.PsxAuto = 0; |
| | 782 | if (strcmp(var.value, "Automatic") == 0) |
| | 783 | Config.PsxAuto = 1; |
| | 784 | else if (strcmp(var.value, "NTSC") == 0) |
| | 785 | Config.PsxType = 0; |
| | 786 | else if (strcmp(var.value, "PAL") == 0) |
| | 787 | Config.PsxType = 1; |
| | 788 | } |
| | 789 | |
| | 790 | var.value = NULL; |
| | 791 | var.key = "pad1type"; |
| | 792 | |
| | 793 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) |
| | 794 | { |
| | 795 | in_type1 = PSE_PAD_TYPE_STANDARD; |
| | 796 | if (strcmp(var.value, "analog") == 0) |
| | 797 | in_type1 = PSE_PAD_TYPE_ANALOGPAD; |
| | 798 | } |
| | 799 | |
| | 800 | #ifdef __ARM_NEON__ |
| | 801 | var.value = "NULL"; |
| | 802 | var.key = "neon_interlace_enable"; |
| | 803 | |
| | 804 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) |
| | 805 | { |
| | 806 | if (strcmp(var.value, "disabled") == 0) |
| | 807 | pl_rearmed_cbs.gpu_neon.allow_interlace = 0; |
| | 808 | else if (strcmp(var.value, "enabled") == 0) |
| | 809 | pl_rearmed_cbs.gpu_neon.allow_interlace = 1; |
| | 810 | } |
| | 811 | |
| | 812 | var.value = NULL; |
| | 813 | var.key = "neon_enhancement_enable"; |
| | 814 | |
| | 815 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) |
| | 816 | { |
| | 817 | if (strcmp(var.value, "disabled") == 0) |
| | 818 | pl_rearmed_cbs.gpu_neon.enhancement_enable = 0; |
| | 819 | else if (strcmp(var.value, "enabled") == 0) |
| | 820 | pl_rearmed_cbs.gpu_neon.enhancement_enable = 1; |
| | 821 | } |
| | 822 | |
| | 823 | var.value = NULL; |
| | 824 | var.key = "neon_enhancement_no_main"; |
| | 825 | |
| | 826 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value) |
| | 827 | { |
| | 828 | if (strcmp(var.value, "disabled") == 0) |
| | 829 | pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0; |
| | 830 | else if (strcmp(var.value, "enabled") == 0) |
| | 831 | pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1; |
| | 832 | } |
| | 833 | #endif |
| | 834 | |
| | 835 | if (in_flight) { |
| | 836 | // inform core things about possible config changes |
| | 837 | plugin_call_rearmed_cbs(); |
| | 838 | |
| | 839 | if (GPU_open != NULL && GPU_close != NULL) { |
| | 840 | GPU_close(); |
| | 841 | GPU_open(&gpuDisp, "PCSX", NULL); |
| | 842 | } |
| | 843 | |
| | 844 | dfinput_activate(); |
| | 845 | } |
| | 846 | } |
| | 847 | |
| | 848 | void retro_run(void) |
| | 849 | { |
| | 850 | int i; |
| | 851 | |
| | 852 | input_poll_cb(); |
| | 853 | |
| | 854 | bool updated = false; |
| | 855 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) |
| | 856 | update_variables(true); |
| | 857 | |
| | 858 | in_keystate = 0; |
| | 859 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) |
| | 860 | if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i)) |
| | 861 | in_keystate |= retro_psx_map[i]; |
| | 862 | in_keystate <<= 16; |
| | 863 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) |
| | 864 | if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i)) |
| | 865 | in_keystate |= retro_psx_map[i]; |
| | 866 | |
| | 867 | if (in_type1 == PSE_PAD_TYPE_ANALOGPAD) |
| | 868 | { |
| | 869 | in_a1[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128; |
| | 870 | in_a1[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128; |
| | 871 | in_a2[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128; |
| | 872 | in_a2[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128; |
| | 873 | } |
| | 874 | |
| | 875 | stop = 0; |
| | 876 | psxCpu->Execute(); |
| | 877 | |
| | 878 | samples_to_send += is_pal_mode ? 44100 / 50 : 44100 / 60; |
| | 879 | |
| | 880 | video_cb((vout_fb_dirty || !vout_can_dupe) ? vout_buf : NULL, |
| | 881 | vout_width, vout_height, vout_width * 2); |
| | 882 | vout_fb_dirty = 0; |
| | 883 | } |
| | 884 | |
| | 885 | static bool try_use_bios(const char *path) |
| | 886 | { |
| | 887 | FILE *f; |
| | 888 | long size; |
| | 889 | const char *name; |
| | 890 | |
| | 891 | f = fopen(path, "rb"); |
| | 892 | if (f == NULL) |
| | 893 | return false; |
| | 894 | |
| | 895 | fseek(f, 0, SEEK_END); |
| | 896 | size = ftell(f); |
| | 897 | fclose(f); |
| | 898 | |
| | 899 | if (size != 512 * 1024) |
| | 900 | return false; |
| | 901 | |
| | 902 | name = strrchr(path, SLASH); |
| | 903 | if (name++ == NULL) |
| | 904 | name = path; |
| | 905 | snprintf(Config.Bios, sizeof(Config.Bios), "%s", name); |
| | 906 | return true; |
| | 907 | } |
| | 908 | |
| | 909 | #if 1 |
| | 910 | #include <sys/types.h> |
| | 911 | #include <dirent.h> |
| | 912 | |
| | 913 | static bool find_any_bios(const char *dirpath, char *path, size_t path_size) |
| | 914 | { |
| | 915 | DIR *dir; |
| | 916 | struct dirent *ent; |
| | 917 | bool ret = false; |
| | 918 | |
| | 919 | dir = opendir(dirpath); |
| | 920 | if (dir == NULL) |
| | 921 | return false; |
| | 922 | |
| | 923 | while ((ent = readdir(dir))) { |
| | 924 | if (strncasecmp(ent->d_name, "scph", 4) != 0) |
| | 925 | continue; |
| | 926 | |
| | 927 | snprintf(path, path_size, "%s/%s", dirpath, ent->d_name); |
| | 928 | ret = try_use_bios(path); |
| | 929 | if (ret) |
| | 930 | break; |
| | 931 | } |
| | 932 | closedir(dir); |
| | 933 | return ret; |
| | 934 | } |
| | 935 | #else |
| | 936 | #define find_any_bios(...) false |
| | 937 | #endif |
| | 938 | |
| | 939 | void retro_init(void) |
| | 940 | { |
| | 941 | const char *bios[] = { "scph1001", "scph5501", "scph7001" }; |
| | 942 | const char *dir; |
| | 943 | char path[256]; |
| | 944 | int i, ret, level; |
| | 945 | bool found_bios = false; |
| | 946 | |
| | 947 | ret = emu_core_preinit(); |
| | 948 | ret |= emu_core_init(); |
| | 949 | if (ret != 0) { |
| | 950 | SysPrintf("PCSX init failed.\n"); |
| | 951 | exit(1); |
| | 952 | } |
| | 953 | |
| | 954 | vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2); |
| | 955 | |
| | 956 | if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) |
| | 957 | { |
| | 958 | snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir); |
| | 959 | |
| | 960 | for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) { |
| | 961 | snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]); |
| | 962 | found_bios = try_use_bios(path); |
| | 963 | if (found_bios) |
| | 964 | break; |
| | 965 | } |
| | 966 | |
| | 967 | if (!found_bios) |
| | 968 | found_bios = find_any_bios(dir, path, sizeof(path)); |
| | 969 | } |
| | 970 | if (found_bios) { |
| | 971 | SysPrintf("found BIOS file: %s\n", Config.Bios); |
| | 972 | } |
| | 973 | else |
| | 974 | { |
| | 975 | SysPrintf("no BIOS files found.\n"); |
| | 976 | struct retro_message msg = |
| | 977 | { |
| | 978 | "no BIOS found, expect bugs!", |
| | 979 | 180 |
| | 980 | }; |
| | 981 | environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg); |
| | 982 | } |
| | 983 | |
| | 984 | level = 1; |
| | 985 | environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); |
| | 986 | |
| | 987 | environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe); |
| | 988 | environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control); |
| | 989 | |
| | 990 | /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times) |
| | 991 | * we have to do this because cache misses and some IO penalties |
| | 992 | * are not emulated. Warning: changing this may break compatibility. */ |
| | 993 | #ifdef __ARM_ARCH_7A__ |
| | 994 | cycle_multiplier = 175; |
| | 995 | #else |
| | 996 | cycle_multiplier = 200; |
| | 997 | #endif |
| | 998 | |
| | 999 | McdDisable[0] = 0; |
| | 1000 | McdDisable[1] = 1; |
| | 1001 | init_memcard(Mcd1Data); |
| | 1002 | |
| | 1003 | SaveFuncs.open = save_open; |
| | 1004 | SaveFuncs.read = save_read; |
| | 1005 | SaveFuncs.write = save_write; |
| | 1006 | SaveFuncs.seek = save_seek; |
| | 1007 | SaveFuncs.close = save_close; |
| | 1008 | |
| | 1009 | update_variables(false); |
| | 1010 | } |
| | 1011 | |
| | 1012 | void retro_deinit(void) |
| | 1013 | { |
| | 1014 | SysClose(); |
| | 1015 | free(vout_buf); |
| | 1016 | vout_buf = NULL; |
| | 1017 | } |
notaz.gp2x.de / pcsx_rearmed.git / blame_incremental