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drc: prevent people from using lightrec on arm
[pcsx_rearmed.git] / frontend / libretro.c
CommitLineData
38c2028e 1/*
003cfc63 2 * (C) notaz, 2012,2014,2015
38c2028e 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
805fe9bc 8#define _GNU_SOURCE 1 // strcasestr
38c2028e 9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
74ebc05b 12#include <strings.h>
d148d265 13#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
38c2028e 17
12367ad0 18#ifdef SWITCH
19#include <switch.h>
20#endif
21
38c2028e 22#include "../libpcsxcore/misc.h"
23#include "../libpcsxcore/psxcounters.h"
87e5b45f 24#include "../libpcsxcore/psxmem_map.h"
38c2028e 25#include "../libpcsxcore/new_dynarec/new_dynarec.h"
23ea11bd 26#include "../libpcsxcore/cdrom.h"
27#include "../libpcsxcore/cdriso.h"
6e921e1d 28#include "../libpcsxcore/cheat.h"
f422f444 29#include "../libpcsxcore/r3000a.h"
07c13dfd 30#include "../plugins/dfsound/out.h"
01394a7f 31#include "../plugins/dfsound/spu_config.h"
805fe9bc 32#include "../plugins/dfinput/externals.h"
c82f907a 33#include "cspace.h"
38c2028e 34#include "main.h"
b12cce74 35#include "menu.h"
38c2028e 36#include "plugin.h"
37#include "plugin_lib.h"
ace14ab3 38#include "arm_features.h"
38c2028e 39#include "revision.h"
919cac88 40
41#include <libretro.h>
42#include "libretro_core_options.h"
38c2028e 43
226a5691 44#ifdef USE_LIBRETRO_VFS
45#include <streams/file_stream_transforms.h>
46#endif
47
fc99395c 48#ifdef _3DS
fc99395c 49#include "3ds/3ds_utils.h"
fc99395c 50#endif
51
8136cafb
AP		 52#define PORTS_NUMBER 8
53
a9bb0712 54#ifndef MIN
55#define MIN(a, b) ((a) < (b) ? (a) : (b))
56#endif
57
8741f7a2 58#ifndef MAX
59#define MAX(a, b) ((a) > (b) ? (a) : (b))
60#endif
61
8822aea7 62#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
47624ecf 63
2df7fcac
BP		 64#define INTERNAL_FPS_SAMPLE_PERIOD 64
65
726da67c 66//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
76996fc3 67static int rebootemu = 0;
726da67c 68
38c2028e 69static retro_video_refresh_t video_cb;
70static retro_input_poll_t input_poll_cb;
71static retro_input_state_t input_state_cb;
72static retro_environment_t environ_cb;
73static retro_audio_sample_batch_t audio_batch_cb;
79f29e0a 74static retro_set_rumble_state_t rumble_cb;
b2aef321 75static struct retro_log_callback logging;
76static retro_log_printf_t log_cb;
38c2028e 77
8a60e610 78static unsigned msg_interface_version = 0;
79
38c2028e 80static void *vout_buf;
8822aea7 81static void *vout_buf_ptr;
70d56ca3 82static int vout_width, vout_height;
83static int vout_doffs_old, vout_fb_dirty;
1a6164a1 84static bool vout_can_dupe;
0e5a7b7d 85static bool duping_enable;
b580cc4f 86static bool found_bios;
2df7fcac
BP		 87static bool display_internal_fps = false;
88static unsigned frame_count = 0;
6fbd15c8 89static bool libretro_supports_bitmasks = false;
b41cca85 90#ifdef GPU_PEOPS
c8108d88 91static int show_advanced_gpu_peops_settings = -1;
b41cca85 92#endif
93#ifdef GPU_UNAI
8822aea7 94static int show_advanced_gpu_unai_settings = -1;
b41cca85 95#endif
ce239f4a 96static int show_other_input_settings = -1;
399a33fe 97static float mouse_sensitivity = 1.0f;
70d56ca3 98
44c38f79 99typedef enum
100{
101 FRAMESKIP_NONE = 0,
102 FRAMESKIP_AUTO,
103 FRAMESKIP_AUTO_THRESHOLD,
104 FRAMESKIP_FIXED_INTERVAL
105} frameskip_type_t;
106
107static unsigned frameskip_type = FRAMESKIP_NONE;
108static unsigned frameskip_threshold = 0;
109static unsigned frameskip_interval = 0;
110static unsigned frameskip_counter = 0;
5eaa13f1 111
44c38f79 112static int retro_audio_buff_active = false;
113static unsigned retro_audio_buff_occupancy = 0;
114static int retro_audio_buff_underrun = false;
5eaa13f1 115
44c38f79 116static unsigned retro_audio_latency = 0;
117static int update_audio_latency = false;
5eaa13f1 118
4ce3bd43
VP		 119static unsigned previous_width = 0;
120static unsigned previous_height = 0;
121
38c2028e 122static int plugins_opened;
17f84149 123static int is_pal_mode;
38c2028e 124
f9f60dae
TK		 125/* memory card data */
126extern char Mcd1Data[MCD_SIZE];
76e889bc 127extern char Mcd2Data[MCD_SIZE];
f9f60dae 128extern char McdDisable[2];
38c2028e 129
130/* PCSX ReARMed core calls and stuff */
8822aea7 131int in_type[8] = {
cada0a36 132 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
133 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
134 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
135 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE
136};
8822aea7 137int in_analog_left[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
138int in_analog_right[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
3c0fb554 139unsigned short in_keystate[PORTS_NUMBER];
7dea987c 140int in_mouse[8][2];
29f3675b 141int multitap1 = 0;
142int multitap2 = 0;
4e477065 143int in_enable_vibration = 1;
38c2028e 144
e1442c48 145// NegCon adjustment parameters
146// > The NegCon 'twist' action is somewhat awkward when mapped
147// to a standard analog stick -> user should be able to tweak
148// response/deadzone for comfort
149// > When response is linear, 'additional' deadzone (set here)
150// may be left at zero, since this is normally handled via in-game
151// options menus
152// > When response is non-linear, deadzone should be set to match the
153// controller being used (otherwise precision may be lost)
154// > negcon_linearity:
155// - 1: Response is linear - recommended when using racing wheel
156// peripherals, not recommended for standard gamepads
157// - 2: Response is quadratic - optimal setting for gamepads
158// - 3: Response is cubic - enables precise fine control, but
159// difficult to use...
160#define NEGCON_RANGE 0x7FFF
161static int negcon_deadzone = 0;
162static int negcon_linearity = 1;
163
ace1989f
SK		 164static bool axis_bounds_modifier;
165
805fe9bc 166/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
8822aea7 167#define VOUT_MAX_WIDTH 1024
805fe9bc 168#define VOUT_MAX_HEIGHT 512
169
646a63e4 170//Dummy functions
8822aea7 171bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) { return false; }
172void retro_unload_game(void) {}
173static int vout_open(void) { return 0; }
174static void vout_close(void) {}
175static int snd_init(void) { return 0; }
176static void snd_finish(void) {}
177static int snd_busy(void) { return 0; }
646a63e4 178
6713b629 179#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
180#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
181#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
182#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
183#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
184#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
185#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
186#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
187#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
188
7df396ea
TK		 189static void init_memcard(char *mcd_data)
190{
cada0a36 191 unsigned off = 0;
192 unsigned i;
193
194 memset(mcd_data, 0, MCD_SIZE);
195
196 mcd_data[off++] = 'M';
197 mcd_data[off++] = 'C';
198 off += 0x7d;
199 mcd_data[off++] = 0x0e;
200
8822aea7 201 for (i = 0; i < 15; i++)
202 {
cada0a36 203 mcd_data[off++] = 0xa0;
204 off += 0x07;
205 mcd_data[off++] = 0xff;
206 mcd_data[off++] = 0xff;
207 off += 0x75;
208 mcd_data[off++] = 0xa0;
209 }
210
8822aea7 211 for (i = 0; i < 20; i++)
212 {
cada0a36 213 mcd_data[off++] = 0xff;
214 mcd_data[off++] = 0xff;
215 mcd_data[off++] = 0xff;
216 mcd_data[off++] = 0xff;
217 off += 0x04;
218 mcd_data[off++] = 0xff;
219 mcd_data[off++] = 0xff;
220 off += 0x76;
221 }
7df396ea
TK		 222}
223
49c61096 224static void set_vout_fb()
38c2028e 225{
8822aea7 226 struct retro_framebuffer fb = { 0 };
6558949c 227
8822aea7 228 fb.width = vout_width;
229 fb.height = vout_height;
230 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
6558949c 231
cada0a36 232 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
8822aea7 233 vout_buf_ptr = (uint16_t *)fb.data;
cada0a36 234 else
235 vout_buf_ptr = vout_buf;
49c61096 236}
6558949c 237
49c61096
G		 238static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
239{
cada0a36 240 vout_width = w;
241 vout_height = h;
49c61096 242
cada0a36 243 if (previous_width != vout_width || previous_height != vout_height)
244 {
245 previous_width = vout_width;
246 previous_height = vout_height;
4ce3bd43 247
cada0a36 248 struct retro_system_av_info info;
249 retro_get_system_av_info(&info);
250 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
251 }
d3c41e5e 252
cada0a36 253 set_vout_fb();
38c2028e 254}
255
cc4f9b70 256#ifndef FRONTEND_SUPPORTS_RGB565
9c59f120 257static void convert(void *buf, size_t bytes)
38c2028e 258{
cada0a36 259 unsigned int i, v, *p = buf;
38c2028e 260
8822aea7 261 for (i = 0; i < bytes / 4; i++)
262 {
cada0a36 263 v = p[i];
264 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
265 }
38c2028e 266}
46aa5b98 267#endif
38c2028e 268
fa56d360 269static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
38c2028e 270{
cada0a36 271 unsigned short *dest = vout_buf_ptr;
272 const unsigned short *src = vram;
273 int dstride = vout_width, h1 = h;
274 int doffs;
275
8822aea7 276 if (vram == NULL)
277 {
cada0a36 278 // blanking
279 memset(vout_buf_ptr, 0, dstride * h * 2);
280 goto out;
281 }
282
283 doffs = (vout_height - h) * dstride;
284 doffs += (dstride - w) / 2 & ~1;
8822aea7 285 if (doffs != vout_doffs_old)
286 {
cada0a36 287 // clear borders
288 memset(vout_buf_ptr, 0, dstride * h * 2);
289 vout_doffs_old = doffs;
290 }
291 dest += doffs;
292
293 if (bgr24)
294 {
295 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
296 for (; h1-- > 0; dest += dstride, src += stride)
297 {
298 bgr888_to_rgb565(dest, src, w * 3);
299 }
300 }
301 else
302 {
303 for (; h1-- > 0; dest += dstride, src += stride)
304 {
305 bgr555_to_rgb565(dest, src, w * 2);
306 }
307 }
38c2028e 308
fa56d360 309out:
46aa5b98 310#ifndef FRONTEND_SUPPORTS_RGB565
cada0a36 311 convert(vout_buf_ptr, vout_width * vout_height * 2);
46aa5b98 312#endif
cada0a36 313 vout_fb_dirty = 1;
314 pl_rearmed_cbs.flip_cnt++;
38c2028e 315}
316
fc99395c 317#ifdef _3DS
318typedef struct
319{
8822aea7 320 void *buffer;
fc99395c 321 uint32_t target_map;
322 size_t size;
323 enum psxMapTag tag;
8822aea7 324} psx_map_t;
fc99395c 325
326psx_map_t custom_psx_maps[] = {
8822aea7 327 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
328 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
329 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
330 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
331 { NULL, 0x12000000, 0x200000, MAP_TAG_VRAM }, // 0x00000000
fc99395c 332};
333
8822aea7 334void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
335 enum psxMapTag tag)
fc99395c 336{
337 (void)is_fixed;
338 (void)addr;
339
f72db18e 340 if (__ctr_svchax)
fc99395c 341 {
8822aea7 342 psx_map_t *custom_map = custom_psx_maps;
fc99395c 343
344 for (; custom_map->size; custom_map++)
345 {
346 if ((custom_map->size == size) && (custom_map->tag == tag))
347 {
348 uint32_t ptr_aligned, tmp;
349
350 custom_map->buffer = malloc(size + 0x1000);
351 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
352
8822aea7 353 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
fc99395c 354 {
355 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
356 exit(1);
357 }
358
8822aea7 359 return (void *)custom_map->target_map;
fc99395c 360 }
361 }
362 }
363
364 return malloc(size);
365}
366
367void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
cc56203b 368{
fc99395c 369 (void)tag;
370
f72db18e 371 if (__ctr_svchax)
fc99395c 372 {
8822aea7 373 psx_map_t *custom_map = custom_psx_maps;
fc99395c 374
375 for (; custom_map->size; custom_map++)
376 {
377 if ((custom_map->target_map == (uint32_t)ptr))
378 {
379 uint32_t ptr_aligned, tmp;
380
381 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
382
8822aea7 383 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
fc99395c 384
385 free(custom_map->buffer);
386 custom_map->buffer = NULL;
387 return;
388 }
389 }
390 }
391
392 free(ptr);
393}
394#endif
395
1a5fd794 396#ifdef VITA
397typedef struct
398{
8822aea7 399 void *buffer;
1a5fd794 400 uint32_t target_map;
401 size_t size;
402 enum psxMapTag tag;
8822aea7 403} psx_map_t;
1a5fd794 404
8822aea7 405void *addr = NULL;
73081f23 406
1a5fd794 407psx_map_t custom_psx_maps[] = {
8822aea7 408 { NULL, NULL, 0x210000, MAP_TAG_RAM }, // 0x80000000
409 { NULL, NULL, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
410 { NULL, NULL, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
411 { NULL, NULL, 0x800000, MAP_TAG_LUTS }, // 0x08000000
412 { NULL, NULL, 0x200000, MAP_TAG_VRAM }, // 0x00000000
1a5fd794 413};
414
8822aea7 415int init_vita_mmap()
416{
cada0a36 417 int n;
8822aea7 418 void *tmpaddr;
419 addr = malloc(64 * 1024 * 1024);
420 if (addr == NULL)
cada0a36 421 return -1;
8822aea7 422 tmpaddr = ((u32)(addr + 0xFFFFFF)) & ~0xFFFFFF;
423 custom_psx_maps[0].buffer = tmpaddr + 0x2000000;
424 custom_psx_maps[1].buffer = tmpaddr + 0x1800000;
425 custom_psx_maps[2].buffer = tmpaddr + 0x1c00000;
426 custom_psx_maps[3].buffer = tmpaddr + 0x0000000;
427 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
73081f23 428#if 0
cada0a36 429 for(n = 0; n < 5; n++){
430 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
431 }
73081f23 432#endif
cada0a36 433 return 0;
73081f23
FJGG		 434}
435
8822aea7 436void deinit_vita_mmap()
437{
cada0a36 438 free(addr);
73081f23
FJGG		 439}
440
8822aea7 441void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
442 enum psxMapTag tag)
1a5fd794 443{
444 (void)is_fixed;
445 (void)addr;
446
8822aea7 447 psx_map_t *custom_map = custom_psx_maps;
1a5fd794 448
cada0a36 449 for (; custom_map->size; custom_map++)
450 {
451 if ((custom_map->size == size) && (custom_map->tag == tag))
452 {
453 return custom_map->buffer;
454 }
455 }
1a5fd794 456
457 return malloc(size);
458}
459
460void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
461{
462 (void)tag;
463
8822aea7 464 psx_map_t *custom_map = custom_psx_maps;
1a5fd794 465
cada0a36 466 for (; custom_map->size; custom_map++)
467 {
468 if ((custom_map->buffer == ptr))
469 {
470 return;
471 }
472 }
1a5fd794 473
474 free(ptr);
475}
476#endif
477
fc99395c 478static void *pl_mmap(unsigned int size)
ace14ab3 479{
cada0a36 480 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 481}
482
483static void pl_munmap(void *ptr, unsigned int size)
484{
cada0a36 485 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 486}
487
38c2028e 488struct rearmed_cbs pl_rearmed_cbs = {
8822aea7 489 .pl_vout_open = vout_open,
cada0a36 490 .pl_vout_set_mode = vout_set_mode,
8822aea7 491 .pl_vout_flip = vout_flip,
492 .pl_vout_close = vout_close,
493 .mmap = pl_mmap,
494 .munmap = pl_munmap,
cada0a36 495 /* from psxcounters */
8822aea7 496 .gpu_hcnt = &hSyncCount,
497 .gpu_frame_count = &frame_counter,
38c2028e 498};
499
500void pl_frame_limit(void)
501{
cada0a36 502 /* called once per frame, make psxCpu->Execute() above return */
503 stop = 1;
38c2028e 504}
505
506void pl_timing_prepare(int is_pal)
507{
cada0a36 508 is_pal_mode = is_pal;
38c2028e 509}
510
d71c7095 511void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 512{
cada0a36 513 if (!rumble_cb)
514 return;
79f29e0a 515
cada0a36 516 if (in_enable_vibration)
517 {
518 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
519 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
520 }
38c2028e 521}
522
e4c83ca6 523void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
38c2028e 524{
525}
526
527/* sound calls */
07c13dfd 528static void snd_feed(void *buf, int bytes)
38c2028e 529{
cada0a36 530 if (audio_batch_cb != NULL)
531 audio_batch_cb(buf, bytes / 4);
38c2028e 532}
533
07c13dfd 534void out_register_libretro(struct out_driver *drv)
535{
8822aea7 536 drv->name = "libretro";
537 drv->init = snd_init;
cada0a36 538 drv->finish = snd_finish;
8822aea7 539 drv->busy = snd_busy;
540 drv->feed = snd_feed;
07c13dfd 541}
542
31131233 543#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
544#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
545#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
546#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
547#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
548#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
549
550static char *get_pse_pad_label[] = {
551 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
552};
553
554static const struct retro_controller_description pads[7] =
555{
556 { "standard", RETRO_DEVICE_JOYPAD },
557 { "analog", RETRO_DEVICE_PSE_ANALOG },
558 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
559 { "negcon", RETRO_DEVICE_PSE_NEGCON },
560 { "guncon", RETRO_DEVICE_PSE_GUNCON },
561 { "mouse", RETRO_DEVICE_PSE_MOUSE },
562 { NULL, 0 },
563};
564
565static const struct retro_controller_info ports[9] =
566{
567 { pads, 7 },
568 { pads, 7 },
569 { pads, 7 },
570 { pads, 7 },
571 { pads, 7 },
572 { pads, 7 },
573 { pads, 7 },
574 { pads, 7 },
575 { NULL, 0 },
576};
577
38c2028e 578/* libretro */
e268a47e 579void retro_set_environment(retro_environment_t cb)
580{
226a5691 581#ifdef USE_LIBRETRO_VFS
582 struct retro_vfs_interface_info vfs_iface_info;
583#endif
584
e268a47e 585 environ_cb = cb;
586
919cac88 587 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
588 log_cb = logging.log;
589
31131233 590 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
919cac88 591 libretro_set_core_options(environ_cb);
226a5691 592
593#ifdef USE_LIBRETRO_VFS
594 vfs_iface_info.required_interface_version = 1;
595 vfs_iface_info.iface = NULL;
596 if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
597 filestream_vfs_init(&vfs_iface_info);
598#endif
e268a47e 599}
600
38c2028e 601void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
602void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
603void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
604void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
605void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
606
607unsigned retro_api_version(void)
608{
cada0a36 609 return RETRO_API_VERSION;
38c2028e 610}
611
31131233 612static void update_multitap(void)
30d43b8a 613{
6cb1dcb1 614 struct retro_variable var = { 0 };
615
616 multitap1 = 0;
617 multitap2 = 0;
cada0a36 618
619 var.value = NULL;
f6575013 620 var.key = "pcsx_rearmed_multitap";
cada0a36 621 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
622 {
6cb1dcb1 623 if (strcmp(var.value, "port 1") == 0)
cada0a36 624 multitap1 = 1;
6cb1dcb1 625 else if (strcmp(var.value, "port 2") == 0)
cada0a36 626 multitap2 = 1;
6cb1dcb1 627 else if (strcmp(var.value, "ports 1 and 2") == 0)
f6575013 628 {
629 multitap1 = 1;
630 multitap2 = 1;
631 }
cada0a36 632 }
30d43b8a
AP		 633}
634
38c2028e 635void retro_set_controller_port_device(unsigned port, unsigned device)
636{
cada0a36 637 if (port >= PORTS_NUMBER)
638 return;
8c047f6f 639
31131233 640 switch (device)
641 {
642 case RETRO_DEVICE_JOYPAD:
643 case RETRO_DEVICE_PSE_STANDARD:
644 in_type[port] = PSE_PAD_TYPE_STANDARD;
645 break;
646 case RETRO_DEVICE_PSE_ANALOG:
647 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
648 break;
649 case RETRO_DEVICE_PSE_DUALSHOCK:
650 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
651 break;
652 case RETRO_DEVICE_PSE_MOUSE:
653 in_type[port] = PSE_PAD_TYPE_MOUSE;
654 break;
655 case RETRO_DEVICE_PSE_NEGCON:
656 in_type[port] = PSE_PAD_TYPE_NEGCON;
657 break;
658 case RETRO_DEVICE_PSE_GUNCON:
659 in_type[port] = PSE_PAD_TYPE_GUNCON;
660 break;
661 case RETRO_DEVICE_NONE:
662 default:
663 in_type[port] = PSE_PAD_TYPE_NONE;
664 break;
665 }
666
667 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
38c2028e 668}
669
670void retro_get_system_info(struct retro_system_info *info)
671{
8fc5171a
GR		 672#ifndef GIT_VERSION
673#define GIT_VERSION ""
674#endif
cada0a36 675 memset(info, 0, sizeof(*info));
8822aea7 676 info->library_name = "PCSX-ReARMed";
eeb8a52b 677 info->library_version = "r23l" GIT_VERSION;
cada0a36 678 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
8822aea7 679 info->need_fullpath = true;
38c2028e 680}
681
682void retro_get_system_av_info(struct retro_system_av_info *info)
683{
8822aea7 684 unsigned geom_height = vout_height > 0 ? vout_height : 240;
685 unsigned geom_width = vout_width > 0 ? vout_width : 320;
d3c41e5e 686
cada0a36 687 memset(info, 0, sizeof(*info));
8822aea7 688 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
689 info->timing.sample_rate = 44100.0;
690 info->geometry.base_width = geom_width;
691 info->geometry.base_height = geom_height;
692 info->geometry.max_width = VOUT_MAX_WIDTH;
693 info->geometry.max_height = VOUT_MAX_HEIGHT;
694 info->geometry.aspect_ratio = 4.0 / 3.0;
38c2028e 695}
696
6e921e1d 697/* savestates */
ace14ab3 698size_t retro_serialize_size(void)
699{
cada0a36 700 // it's currently 4380651-4397047 bytes,
701 // but have some reserved for future
702 return 0x440000;
6e921e1d 703}
704
8822aea7 705struct save_fp
706{
cada0a36 707 char *buf;
708 size_t pos;
709 int is_write;
6e921e1d 710};
711
712static void *save_open(const char *name, const char *mode)
713{
cada0a36 714 struct save_fp *fp;
6e921e1d 715
cada0a36 716 if (name == NULL || mode == NULL)
717 return NULL;
6e921e1d 718
cada0a36 719 fp = malloc(sizeof(*fp));
720 if (fp == NULL)
721 return NULL;
6e921e1d 722
cada0a36 723 fp->buf = (char *)name;
724 fp->pos = 0;
725 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
6e921e1d 726
cada0a36 727 return fp;
6e921e1d 728}
729
730static int save_read(void *file, void *buf, u32 len)
731{
cada0a36 732 struct save_fp *fp = file;
733 if (fp == NULL || buf == NULL)
734 return -1;
6e921e1d 735
cada0a36 736 memcpy(buf, fp->buf + fp->pos, len);
737 fp->pos += len;
738 return len;
6e921e1d 739}
740
741static int save_write(void *file, const void *buf, u32 len)
742{
cada0a36 743 struct save_fp *fp = file;
744 if (fp == NULL || buf == NULL)
745 return -1;
6e921e1d 746
cada0a36 747 memcpy(fp->buf + fp->pos, buf, len);
748 fp->pos += len;
749 return len;
6e921e1d 750}
751
752static long save_seek(void *file, long offs, int whence)
753{
cada0a36 754 struct save_fp *fp = file;
755 if (fp == NULL)
756 return -1;
757
8822aea7 758 switch (whence)
759 {
cada0a36 760 case SEEK_CUR:
761 fp->pos += offs;
762 return fp->pos;
763 case SEEK_SET:
764 fp->pos = offs;
765 return fp->pos;
766 default:
767 return -1;
768 }
6e921e1d 769}
770
771static void save_close(void *file)
772{
cada0a36 773 struct save_fp *fp = file;
774 size_t r_size = retro_serialize_size();
775 if (fp == NULL)
776 return;
6e921e1d 777
cada0a36 778 if (fp->pos > r_size)
779 SysPrintf("ERROR: save buffer overflow detected\n");
780 else if (fp->is_write && fp->pos < r_size)
781 // make sure we don't save trash in leftover space
782 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
783 free(fp);
38c2028e 784}
785
786bool retro_serialize(void *data, size_t size)
ace14ab3 787{
cada0a36 788 int ret = SaveState(data);
789 return ret == 0 ? true : false;
38c2028e 790}
791
792bool retro_unserialize(const void *data, size_t size)
793{
cada0a36 794 int ret = LoadState(data);
795 return ret == 0 ? true : false;
38c2028e 796}
797
23ea11bd 798/* cheats */
38c2028e 799void retro_cheat_reset(void)
800{
cada0a36 801 ClearAllCheats();
38c2028e 802}
803
804void retro_cheat_set(unsigned index, bool enabled, const char *code)
805{
cada0a36 806 char buf[256];
807 int ret;
808
809 // cheat funcs are destructive, need a copy..
810 strncpy(buf, code, sizeof(buf));
811 buf[sizeof(buf) - 1] = 0;
812
813 //Prepare buffered cheat for PCSX's AddCheat fucntion.
8822aea7 814 int cursor = 0;
815 int nonhexdec = 0;
816 while (buf[cursor])
817 {
818 if (!(ISHEXDEC))
819 {
820 if (++nonhexdec % 2)
821 {
822 buf[cursor] = ' ';
823 }
824 else
825 {
826 buf[cursor] = '\n';
cada0a36 827 }
828 }
829 cursor++;
830 }
6e921e1d 831
cada0a36 832 if (index < NumCheats)
833 ret = EditCheat(index, "", buf);
834 else
835 ret = AddCheat("", buf);
6e921e1d 836
cada0a36 837 if (ret != 0)
838 SysPrintf("Failed to set cheat %#u\n", index);
839 else if (index < NumCheats)
840 Cheats[index].Enabled = enabled;
38c2028e 841}
842
144493e8 843// just in case, maybe a win-rt port in the future?
844#ifdef _WIN32
845#define SLASH '\\'
846#else
847#define SLASH '/'
848#endif
849
850#ifndef PATH_MAX
8822aea7 851#define PATH_MAX 4096
144493e8 852#endif
853
23ea11bd 854/* multidisk support */
144493e8 855static unsigned int disk_initial_index;
856static char disk_initial_path[PATH_MAX];
23ea11bd 857static bool disk_ejected;
858static unsigned int disk_current_index;
51ba7408 859static unsigned int disk_count;
8822aea7 860static struct disks_state
861{
cada0a36 862 char *fname;
863 char *flabel;
864 int internal_index; // for multidisk eboots
23ea11bd 865} disks[8];
866
144493e8 867static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
868{
cada0a36 869 const char *base = NULL;
144493e8 870
cada0a36 871 if (!disk_path || (*disk_path == '\0'))
872 return;
144493e8 873
cada0a36 874 base = strrchr(disk_path, SLASH);
875 if (!base)
876 base = disk_path;
144493e8 877
cada0a36 878 if (*base == SLASH)
879 base++;
144493e8 880
cada0a36 881 strncpy(disk_label, base, len - 1);
882 disk_label[len - 1] = '\0';
144493e8 883
cada0a36 884 char *ext = strrchr(disk_label, '.');
885 if (ext)
886 *ext = '\0';
144493e8 887}
888
889static void disk_init(void)
890{
cada0a36 891 size_t i;
144493e8 892
cada0a36 893 disk_ejected = false;
894 disk_current_index = 0;
895 disk_count = 0;
144493e8 896
8822aea7 897 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
898 {
899 if (disks[i].fname != NULL)
900 {
cada0a36 901 free(disks[i].fname);
902 disks[i].fname = NULL;
903 }
8822aea7 904 if (disks[i].flabel != NULL)
905 {
cada0a36 906 free(disks[i].flabel);
907 disks[i].flabel = NULL;
908 }
909 disks[i].internal_index = 0;
910 }
144493e8 911}
912
23ea11bd 913static bool disk_set_eject_state(bool ejected)
914{
cada0a36 915 // weird PCSX API..
916 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
917 LidInterrupt();
23ea11bd 918
cada0a36 919 disk_ejected = ejected;
920 return true;
23ea11bd 921}
922
923static bool disk_get_eject_state(void)
924{
cada0a36 925 /* can't be controlled by emulated software */
926 return disk_ejected;
23ea11bd 927}
928
929static unsigned int disk_get_image_index(void)
930{
cada0a36 931 return disk_current_index;
23ea11bd 932}
933
934static bool disk_set_image_index(unsigned int index)
935{
cada0a36 936 if (index >= sizeof(disks) / sizeof(disks[0]))
937 return false;
23ea11bd 938
cada0a36 939 CdromId[0] = '\0';
940 CdromLabel[0] = '\0';
23ea11bd 941
8822aea7 942 if (disks[index].fname == NULL)
943 {
cada0a36 944 SysPrintf("missing disk #%u\n", index);
945 CDR_shutdown();
23ea11bd 946
cada0a36 947 // RetroArch specifies "no disk" with index == count,
948 // so don't fail here..
949 disk_current_index = index;
950 return true;
951 }
23ea11bd 952
cada0a36 953 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
8822aea7 954 disks[index].fname, disks[index].internal_index);
23ea11bd 955
cada0a36 956 cdrIsoMultidiskSelect = disks[index].internal_index;
957 set_cd_image(disks[index].fname);
8822aea7 958 if (ReloadCdromPlugin() < 0)
959 {
cada0a36 960 SysPrintf("failed to load cdr plugin\n");
961 return false;
962 }
8822aea7 963 if (CDR_open() < 0)
964 {
cada0a36 965 SysPrintf("failed to open cdr plugin\n");
966 return false;
967 }
23ea11bd 968
8822aea7 969 if (!disk_ejected)
970 {
cada0a36 971 SetCdOpenCaseTime(time(NULL) + 2);
972 LidInterrupt();
973 }
23ea11bd 974
cada0a36 975 disk_current_index = index;
976 return true;
23ea11bd 977}
978
979static unsigned int disk_get_num_images(void)
980{
cada0a36 981 return disk_count;
23ea11bd 982}
983
984static bool disk_replace_image_index(unsigned index,
8822aea7 985 const struct retro_game_info *info)
23ea11bd 986{
cada0a36 987 char *old_fname = NULL;
988 char *old_flabel = NULL;
989 bool ret = true;
23ea11bd 990
cada0a36 991 if (index >= sizeof(disks) / sizeof(disks[0]))
992 return false;
23ea11bd 993
cada0a36 994 old_fname = disks[index].fname;
995 old_flabel = disks[index].flabel;
144493e8 996
cada0a36 997 disks[index].fname = NULL;
998 disks[index].flabel = NULL;
999 disks[index].internal_index = 0;
23ea11bd 1000
8822aea7 1001 if (info != NULL)
1002 {
cada0a36 1003 char disk_label[PATH_MAX];
1004 disk_label[0] = '\0';
144493e8 1005
cada0a36 1006 disks[index].fname = strdup(info->path);
144493e8 1007
cada0a36 1008 get_disk_label(disk_label, info->path, PATH_MAX);
1009 disks[index].flabel = strdup(disk_label);
144493e8 1010
cada0a36 1011 if (index == disk_current_index)
1012 ret = disk_set_image_index(index);
1013 }
23ea11bd 1014
cada0a36 1015 if (old_fname != NULL)
1016 free(old_fname);
23ea11bd 1017
cada0a36 1018 if (old_flabel != NULL)
1019 free(old_flabel);
144493e8 1020
cada0a36 1021 return ret;
23ea11bd 1022}
1023
1024static bool disk_add_image_index(void)
1025{
cada0a36 1026 if (disk_count >= 8)
1027 return false;
51ba7408 1028
cada0a36 1029 disk_count++;
1030 return true;
23ea11bd 1031}
1032
144493e8 1033static bool disk_set_initial_image(unsigned index, const char *path)
1034{
cada0a36 1035 if (index >= sizeof(disks) / sizeof(disks[0]))
1036 return false;
144493e8 1037
cada0a36 1038 if (!path || (*path == '\0'))
1039 return false;
144493e8 1040
cada0a36 1041 disk_initial_index = index;
144493e8 1042
cada0a36 1043 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1044 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
144493e8 1045
cada0a36 1046 return true;
144493e8 1047}
1048
1049static bool disk_get_image_path(unsigned index, char *path, size_t len)
1050{
cada0a36 1051 const char *fname = NULL;
144493e8 1052
cada0a36 1053 if (len < 1)
1054 return false;
144493e8 1055
cada0a36 1056 if (index >= sizeof(disks) / sizeof(disks[0]))
1057 return false;
144493e8 1058
cada0a36 1059 fname = disks[index].fname;
144493e8 1060
cada0a36 1061 if (!fname || (*fname == '\0'))
1062 return false;
144493e8 1063
cada0a36 1064 strncpy(path, fname, len - 1);
1065 path[len - 1] = '\0';
144493e8 1066
cada0a36 1067 return true;
144493e8 1068}
1069
1070static bool disk_get_image_label(unsigned index, char *label, size_t len)
1071{
cada0a36 1072 const char *flabel = NULL;
144493e8 1073
cada0a36 1074 if (len < 1)
1075 return false;
144493e8 1076
cada0a36 1077 if (index >= sizeof(disks) / sizeof(disks[0]))
1078 return false;
144493e8 1079
cada0a36 1080 flabel = disks[index].flabel;
144493e8 1081
cada0a36 1082 if (!flabel || (*flabel == '\0'))
1083 return false;
144493e8 1084
cada0a36 1085 strncpy(label, flabel, len - 1);
1086 label[len - 1] = '\0';
144493e8 1087
cada0a36 1088 return true;
144493e8 1089}
1090
23ea11bd 1091static struct retro_disk_control_callback disk_control = {
8822aea7 1092 .set_eject_state = disk_set_eject_state,
1093 .get_eject_state = disk_get_eject_state,
1094 .get_image_index = disk_get_image_index,
1095 .set_image_index = disk_set_image_index,
1096 .get_num_images = disk_get_num_images,
cada0a36 1097 .replace_image_index = disk_replace_image_index,
8822aea7 1098 .add_image_index = disk_add_image_index,
23ea11bd 1099};
1100
144493e8 1101static struct retro_disk_control_ext_callback disk_control_ext = {
8822aea7 1102 .set_eject_state = disk_set_eject_state,
1103 .get_eject_state = disk_get_eject_state,
1104 .get_image_index = disk_get_image_index,
1105 .set_image_index = disk_set_image_index,
1106 .get_num_images = disk_get_num_images,
cada0a36 1107 .replace_image_index = disk_replace_image_index,
8822aea7 1108 .add_image_index = disk_add_image_index,
1109 .set_initial_image = disk_set_initial_image,
1110 .get_image_path = disk_get_image_path,
1111 .get_image_label = disk_get_image_label,
144493e8 1112};
9096ba88 1113
e6f1e7f7 1114static char base_dir[1024];
9fba39a9
T		 1115
1116static bool read_m3u(const char *file)
1117{
cada0a36 1118 char line[1024];
1119 char name[PATH_MAX];
226a5691 1120 FILE *fp = fopen(file, "r");
1121 if (!fp)
cada0a36 1122 return false;
1123
d710d713 1124 while (fgets(line, sizeof(line), fp) && disk_count < sizeof(disks) / sizeof(disks[0]))
8822aea7 1125 {
cada0a36 1126 if (line[0] == '#')
1127 continue;
1128 char *carrige_return = strchr(line, '\r');
1129 if (carrige_return)
1130 *carrige_return = '\0';
1131 char *newline = strchr(line, '\n');
1132 if (newline)
1133 *newline = '\0';
1134
1135 if (line[0] != '\0')
1136 {
1137 char disk_label[PATH_MAX];
1138 disk_label[0] = '\0';
144493e8 1139
cada0a36 1140 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1141 disks[disk_count].fname = strdup(name);
144493e8 1142
cada0a36 1143 get_disk_label(disk_label, name, PATH_MAX);
1144 disks[disk_count].flabel = strdup(disk_label);
144493e8 1145
cada0a36 1146 disk_count++;
1147 }
1148 }
9fba39a9 1149
226a5691 1150 fclose(fp);
cada0a36 1151 return (disk_count != 0);
9fba39a9
T		 1152}
1153
1154static void extract_directory(char *buf, const char *path, size_t size)
1155{
1156 char *base;
1157 strncpy(buf, path, size - 1);
1158 buf[size - 1] = '\0';
1159
1160 base = strrchr(buf, '/');
1161 if (!base)
1162 base = strrchr(buf, '\\');
1163
1164 if (base)
1165 *base = '\0';
1166 else
1167 {
1168 buf[0] = '.';
1169 buf[1] = '\0';
1170 }
1171}
1172
003cfc63 1173#if defined(__QNX__) || defined(_WIN32)
41294f4d 1174/* Blackberry QNX doesn't have strcasestr */
1175
1176/*
1177 * Find the first occurrence of find in s, ignore case.
1178 */
1179char *
8822aea7 1180strcasestr(const char *s, const char *find)
41294f4d 1181{
cada0a36 1182 char c, sc;
1183 size_t len;
1184
8822aea7 1185 if ((c = *find++) != 0)
1186 {
cada0a36 1187 c = tolower((unsigned char)c);
1188 len = strlen(find);
8822aea7 1189 do
1190 {
1191 do
1192 {
cada0a36 1193 if ((sc = *s++) == 0)
1194 return (NULL);
1195 } while ((char)tolower((unsigned char)sc) != c);
1196 } while (strncasecmp(s, find, len) != 0);
1197 s--;
1198 }
1199 return ((char *)s);
41294f4d 1200}
1201#endif
1202
b5926d18 1203static void set_retro_memmap(void)
1204{
5c00ea32 1205#ifndef NDEBUG
cada0a36 1206 struct retro_memory_map retromap = { 0 };
8822aea7 1207 struct retro_memory_descriptor mmap = {
cada0a36 1208 0, psxM, 0, 0, 0, 0, 0x200000
1209 };
b5926d18 1210
cada0a36 1211 retromap.descriptors = &mmap;
1212 retromap.num_descriptors = 1;
b5926d18 1213
cada0a36 1214 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
5c00ea32 1215#endif
b5926d18 1216}
1217
5eaa13f1
A		 1218static void retro_audio_buff_status_cb(
1219 bool active, unsigned occupancy, bool underrun_likely)
1220{
1221 retro_audio_buff_active = active;
1222 retro_audio_buff_occupancy = occupancy;
1223 retro_audio_buff_underrun = underrun_likely;
1224}
1225
1226static void retro_set_audio_buff_status_cb(void)
1227{
44c38f79 1228 if (frameskip_type == FRAMESKIP_NONE)
5eaa13f1 1229 {
44c38f79 1230 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1231 retro_audio_latency = 0;
1232 }
1233 else
1234 {
1235 bool calculate_audio_latency = true;
5eaa13f1 1236
44c38f79 1237 if (frameskip_type == FRAMESKIP_FIXED_INTERVAL)
1238 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1239 else
5eaa13f1 1240 {
44c38f79 1241 struct retro_audio_buffer_status_callback buf_status_cb;
1242 buf_status_cb.callback = retro_audio_buff_status_cb;
1243 if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
1244 &buf_status_cb))
1245 {
1246 retro_audio_buff_active = false;
1247 retro_audio_buff_occupancy = 0;
1248 retro_audio_buff_underrun = false;
1249 retro_audio_latency = 0;
1250 calculate_audio_latency = false;
1251 }
5eaa13f1 1252 }
44c38f79 1253
1254 if (calculate_audio_latency)
5eaa13f1
A		 1255 {
1256 /* Frameskip is enabled - increase frontend
1257 * audio latency to minimise potential
1258 * buffer underruns */
1259 uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
1260
1261 /* Set latency to 6x current frame time... */
1262 retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
1263
1264 /* ...then round up to nearest multiple of 32 */
1265 retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
1266 }
1267 }
5eaa13f1
A		 1268
1269 update_audio_latency = true;
44c38f79 1270 frameskip_counter = 0;
5eaa13f1
A		 1271}
1272
570b9365 1273static void update_variables(bool in_flight);
38c2028e 1274bool retro_load_game(const struct retro_game_info *info)
1275{
cada0a36 1276 size_t i;
1277 unsigned int cd_index = 0;
1278 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
9fba39a9 1279
e3f8313f 1280 struct retro_input_descriptor desc[] = {
8822aea7 1281#define JOYP(port) \
1282 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1283 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1284 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1285 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1286 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1287 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1288 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1289 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1290 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1291 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1292 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1293 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1294 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1295 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1296 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1297 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1298 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1299 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
cada0a36 1300 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1301 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1302
1303 JOYP(0)
1304 JOYP(1)
1305 JOYP(2)
1306 JOYP(3)
1307 JOYP(4)
1308 JOYP(5)
1309 JOYP(6)
1310 JOYP(7)
e3f8313f 1311
1312 { 0 },
1313 };
1314
cada0a36 1315 frame_count = 0;
2df7fcac 1316
e3f8313f 1317 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1318
46aa5b98 1319#ifdef FRONTEND_SUPPORTS_RGB565
cada0a36 1320 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
8822aea7 1321 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1322 {
cada0a36 1323 SysPrintf("RGB565 supported, using it\n");
1324 }
46aa5b98 1325#endif
c19aba43 1326
8822aea7 1327 if (info == NULL || info->path == NULL)
1328 {
cada0a36 1329 SysPrintf("info->path required\n");
1330 return false;
1331 }
1332
1333 update_variables(false);
1334
8822aea7 1335 if (plugins_opened)
1336 {
cada0a36 1337 ClosePlugins();
1338 plugins_opened = 0;
1339 }
1340
1341 disk_init();
1342
1343 extract_directory(base_dir, info->path, sizeof(base_dir));
1344
8822aea7 1345 if (is_m3u)
1346 {
1347 if (!read_m3u(info->path))
1348 {
cada0a36 1349 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1350 return false;
1351 }
8822aea7 1352 }
1353 else
1354 {
cada0a36 1355 char disk_label[PATH_MAX];
1356 disk_label[0] = '\0';
1357
1358 disk_count = 1;
1359 disks[0].fname = strdup(info->path);
1360
1361 get_disk_label(disk_label, info->path, PATH_MAX);
1362 disks[0].flabel = strdup(disk_label);
1363 }
1364
1365 /* If this is an M3U file, attempt to set the
1366 * initial disk image */
8822aea7 1367 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1368 {
cada0a36 1369 const char *fname = disks[disk_initial_index].fname;
1370
1371 if (fname && (*fname != '\0'))
1372 if (strcmp(disk_initial_path, fname) == 0)
1373 cd_index = disk_initial_index;
1374 }
1375
1376 set_cd_image(disks[cd_index].fname);
1377 disk_current_index = cd_index;
1378
1379 /* have to reload after set_cd_image for correct cdr plugin */
8822aea7 1380 if (LoadPlugins() == -1)
1381 {
cada0a36 1382 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1383 return false;
1384 }
1385
1386 plugins_opened = 1;
1387 NetOpened = 0;
1388
8822aea7 1389 if (OpenPlugins() == -1)
1390 {
cada0a36 1391 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1392 return false;
1393 }
1394
1395 /* Handle multi-disk images (i.e. PBP)
1396 * > Cannot do this until after OpenPlugins() is
1397 * called (since this sets the value of
1398 * cdrIsoMultidiskCount) */
8822aea7 1399 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1400 {
cada0a36 1401 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1402
1403 /* Small annoyance: We need to change the label
1404 * of disk 0, so have to clear existing entries */
1405 if (disks[0].fname != NULL)
1406 free(disks[0].fname);
1407 disks[0].fname = NULL;
1408
1409 if (disks[0].flabel != NULL)
1410 free(disks[0].flabel);
1411 disks[0].flabel = NULL;
1412
8822aea7 1413 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1414 {
9361a5aa
EC		 1415 char disk_name[PATH_MAX - 16] = { 0 };
1416 char disk_label[PATH_MAX] = { 0 };
cada0a36 1417
1418 disks[i].fname = strdup(info->path);
1419
9361a5aa 1420 get_disk_label(disk_name, info->path, sizeof(disk_name));
cada0a36 1421 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1422 disks[i].flabel = strdup(disk_label);
1423
1424 disks[i].internal_index = i;
1425 }
1426
1427 /* This is not an M3U file, so initial disk
1428 * image has not yet been set - attempt to
1429 * do so now */
8822aea7 1430 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1431 {
cada0a36 1432 const char *fname = disks[disk_initial_index].fname;
1433
1434 if (fname && (*fname != '\0'))
1435 if (strcmp(disk_initial_path, fname) == 0)
1436 cd_index = disk_initial_index;
1437 }
1438
8822aea7 1439 if (cd_index > 0)
1440 {
1441 CdromId[0] = '\0';
cada0a36 1442 CdromLabel[0] = '\0';
1443
1444 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
8822aea7 1445 disk_current_index = cd_index;
cada0a36 1446 set_cd_image(disks[cd_index].fname);
1447
8822aea7 1448 if (ReloadCdromPlugin() < 0)
1449 {
cada0a36 1450 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1451 return false;
1452 }
8822aea7 1453 if (CDR_open() < 0)
1454 {
cada0a36 1455 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1456 return false;
1457 }
1458 }
1459 }
1460
92cd7e86 1461 /* set ports to use "standard controller" initially */
1462 for (i = 0; i < 8; ++i)
1463 in_type[i] = PSE_PAD_TYPE_STANDARD;
1464
cada0a36 1465 plugin_call_rearmed_cbs();
8b9b4c9f 1466 /* dfinput_activate(); */
cada0a36 1467
8822aea7 1468 if (CheckCdrom() == -1)
1469 {
cada0a36 1470 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1471 return false;
1472 }
1473
1474 SysReset();
1475
8822aea7 1476 if (LoadCdrom() == -1)
1477 {
cada0a36 1478 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1479 return false;
1480 }
1481 emu_on_new_cd(0);
1482
1483 set_retro_memmap();
5eaa13f1 1484 retro_set_audio_buff_status_cb();
cada0a36 1485
1486 return true;
38c2028e 1487}
1488
38c2028e 1489unsigned retro_get_region(void)
1490{
cada0a36 1491 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 1492}
1493
1494void *retro_get_memory_data(unsigned id)
1495{
cada0a36 1496 if (id == RETRO_MEMORY_SAVE_RAM)
1497 return Mcd1Data;
1498 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1499 return psxM;
1500 else
1501 return NULL;
38c2028e 1502}
1503
1504size_t retro_get_memory_size(unsigned id)
1505{
cada0a36 1506 if (id == RETRO_MEMORY_SAVE_RAM)
1507 return MCD_SIZE;
1508 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1509 return 0x200000;
1510 else
1511 return 0;
38c2028e 1512}
1513
1514void retro_reset(void)
1515{
d9e77039 1516 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1517 rebootemu = 1;
cada0a36 1518 //SysReset();
38c2028e 1519}
1520
1521static const unsigned short retro_psx_map[] = {
8822aea7 1522 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1523 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1524 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1525 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1526 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1527 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1528 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1529 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1530 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1531 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1532 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1533 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1534 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1535 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1536 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1537 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
38c2028e 1538};
1539#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1540
cada0a36 1541//Percentage distance of screen to adjust
e16ecc89 1542static int GunconAdjustX = 0;
1543static int GunconAdjustY = 0;
1544
1545//Used when out by a percentage
1546static float GunconAdjustRatioX = 1;
1547static float GunconAdjustRatioY = 1;
1548
805fe9bc 1549static void update_variables(bool in_flight)
e268a47e 1550{
e268a47e 1551 struct retro_variable var;
b41cca85 1552#ifdef GPU_PEOPS
c8108d88 1553 int gpu_peops_fix = 0;
b41cca85 1554#endif
44c38f79 1555 frameskip_type_t prev_frameskip_type;
5eaa13f1 1556
5eaa13f1 1557 var.value = NULL;
10a3edb5 1558 var.key = "pcsx_rearmed_frameskip_type";
5eaa13f1
A		 1559
1560 prev_frameskip_type = frameskip_type;
44c38f79 1561 frameskip_type = FRAMESKIP_NONE;
5eaa13f1 1562 pl_rearmed_cbs.frameskip = 0;
ace14ab3 1563
5eaa13f1
A		 1564 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1565 {
1566 if (strcmp(var.value, "auto") == 0)
44c38f79 1567 frameskip_type = FRAMESKIP_AUTO;
5eaa13f1 1568 if (strcmp(var.value, "auto_threshold") == 0)
44c38f79 1569 frameskip_type = FRAMESKIP_AUTO_THRESHOLD;
5eaa13f1 1570 if (strcmp(var.value, "fixed_interval") == 0)
44c38f79 1571 frameskip_type = FRAMESKIP_FIXED_INTERVAL;
5eaa13f1
A		 1572 }
1573
1574 if (frameskip_type != 0)
1575 pl_rearmed_cbs.frameskip = -1;
10a3edb5 1576
e268a47e 1577 var.value = NULL;
10a3edb5 1578 var.key = "pcsx_rearmed_frameskip_threshold";
5eaa13f1 1579 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
10a3edb5
C		 1580 {
1581 frameskip_threshold = strtol(var.value, NULL, 10);
1582 }
5eaa13f1 1583
5eaa13f1 1584 var.value = NULL;
10a3edb5 1585 var.key = "pcsx_rearmed_frameskip_interval";
3abd263a 1586 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
10a3edb5
C		 1587 {
1588 frameskip_interval = strtol(var.value, NULL, 10);
1589 }
9f5a28d9 1590
1591 var.value = NULL;
4e477065 1592 var.key = "pcsx_rearmed_region";
3abd263a 1593 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 1594 {
1595 Config.PsxAuto = 0;
f4cceff6 1596 if (strcmp(var.value, "auto") == 0)
9f5a28d9 1597 Config.PsxAuto = 1;
1598 else if (strcmp(var.value, "NTSC") == 0)
1599 Config.PsxType = 0;
1600 else if (strcmp(var.value, "PAL") == 0)
1601 Config.PsxType = 1;
1602 }
4615b075 1603
30d43b8a 1604 update_multitap();
61c4962a 1605
e1442c48 1606 var.value = NULL;
1607 var.key = "pcsx_rearmed_negcon_deadzone";
1608 negcon_deadzone = 0;
3abd263a 1609 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
e1442c48 1610 {
1611 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1612 }
1613
1614 var.value = NULL;
1615 var.key = "pcsx_rearmed_negcon_response";
1616 negcon_linearity = 1;
3abd263a 1617 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
e1442c48 1618 {
8822aea7 1619 if (strcmp(var.value, "quadratic") == 0)
1620 {
e1442c48 1621 negcon_linearity = 2;
8822aea7 1622 }
1623 else if (strcmp(var.value, "cubic") == 0)
1624 {
e1442c48 1625 negcon_linearity = 3;
1626 }
1627 }
1628
ace1989f
SK		 1629 var.value = NULL;
1630 var.key = "pcsx_rearmed_analog_axis_modifier";
1631 axis_bounds_modifier = true;
3abd263a 1632 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
ace1989f 1633 {
8822aea7 1634 if (strcmp(var.value, "square") == 0)
1635 {
cada0a36 1636 axis_bounds_modifier = true;
8822aea7 1637 }
1638 else if (strcmp(var.value, "circle") == 0)
1639 {
cada0a36 1640 axis_bounds_modifier = false;
1641 }
ace1989f
SK		 1642 }
1643
70fb8fe7 1644 var.value = NULL;
1645 var.key = "pcsx_rearmed_vibration";
1646
3abd263a 1647 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
70fb8fe7 1648 {
1649 if (strcmp(var.value, "disabled") == 0)
1650 in_enable_vibration = 0;
1651 else if (strcmp(var.value, "enabled") == 0)
1652 in_enable_vibration = 1;
1653 }
1654
5c1cbedc 1655 var.value = NULL;
1656 var.key = "pcsx_rearmed_dithering";
1657
3abd263a 1658 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
5c1cbedc 1659 {
8822aea7 1660 if (strcmp(var.value, "disabled") == 0)
1661 {
5c1cbedc 1662 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1663 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
030d1121 1664 pl_rearmed_cbs.gpu_unai.dithering = 0;
5c1cbedc 1665#ifdef __ARM_NEON__
1666 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1667#endif
1668 }
8822aea7 1669 else if (strcmp(var.value, "enabled") == 0)
1670 {
1671 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
5c1cbedc 1672 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
030d1121 1673 pl_rearmed_cbs.gpu_unai.dithering = 1;
5c1cbedc 1674#ifdef __ARM_NEON__
1675 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1676#endif
1677 }
1678 }
1679
8ac2b9d2 1680#ifdef GPU_NEON
3abd263a 1681 var.value = NULL;
55e5626b 1682 var.key = "pcsx_rearmed_neon_interlace_enable";
9f5a28d9 1683
3abd263a 1684 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 1685 {
1686 if (strcmp(var.value, "disabled") == 0)
1687 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1688 else if (strcmp(var.value, "enabled") == 0)
1689 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1690 }
1691
7d68d030 1692 var.value = NULL;
55e5626b 1693 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 1694
3abd263a 1695 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
7d68d030 1696 {
1697 if (strcmp(var.value, "disabled") == 0)
1698 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1699 else if (strcmp(var.value, "enabled") == 0)
1700 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1701 }
354329fa 1702
1703 var.value = NULL;
55e5626b 1704 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 1705
3abd263a 1706 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
354329fa 1707 {
1708 if (strcmp(var.value, "disabled") == 0)
1709 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1710 else if (strcmp(var.value, "enabled") == 0)
1711 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1712 }
094ec204 1713#endif
0e5a7b7d 1714
3abd263a 1715 var.value = NULL;
0e5a7b7d 1716 var.key = "pcsx_rearmed_duping_enable";
1717
3abd263a 1718 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
0e5a7b7d 1719 {
0a6520c3 1720 if (strcmp(var.value, "disabled") == 0)
0e5a7b7d 1721 duping_enable = false;
0a6520c3 1722 else if (strcmp(var.value, "enabled") == 0)
0e5a7b7d 1723 duping_enable = true;
1724 }
1725
3abd263a 1726 var.value = NULL;
2df7fcac
BP		 1727 var.key = "pcsx_rearmed_display_internal_fps";
1728
3abd263a 1729 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2df7fcac
BP		 1730 {
1731 if (strcmp(var.value, "disabled") == 0)
1732 display_internal_fps = false;
1733 else if (strcmp(var.value, "enabled") == 0)
1734 display_internal_fps = true;
1735 }
1736
630b122b 1737#ifndef DRC_DISABLE
48f615ba 1738 var.value = NULL;
4e477065 1739 var.key = "pcsx_rearmed_drc";
48f615ba 1740
abf1a2b6
DGF		 1741 if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
1742 var.value = "enabled";
1743
48f615ba 1744 {
cada0a36 1745 R3000Acpu *prev_cpu = psxCpu;
44747c73
AM		 1746#if defined(LIGHTREC)
1747 bool can_use_dynarec = found_bios;
1748#else
1749 bool can_use_dynarec = 1;
1750#endif
48f615ba 1751
fc99395c 1752#ifdef _3DS
8822aea7 1753 if (!__ctr_svchax)
fc99395c 1754 Config.Cpu = CPU_INTERPRETER;
1755 else
1756#endif
44747c73 1757 if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
48f615ba 1758 Config.Cpu = CPU_INTERPRETER;
1759 else if (strcmp(var.value, "enabled") == 0)
1760 Config.Cpu = CPU_DYNAREC;
1761
1762 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
8822aea7 1763 if (psxCpu != prev_cpu)
1764 {
48f615ba 1765 prev_cpu->Shutdown();
1766 psxCpu->Init();
1767 psxCpu->Reset(); // not really a reset..
1768 }
1769 }
630b122b 1770#endif /* !DRC_DISABLE */
1771 psxCpu->ApplyConfig();
805fe9bc 1772
3abd263a 1773 var.value = NULL;
01394a7f 1774 var.key = "pcsx_rearmed_spu_reverb";
1775
3abd263a 1776 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 1777 {
0a6520c3 1778 if (strcmp(var.value, "disabled") == 0)
01394a7f 1779 spu_config.iUseReverb = false;
0a6520c3 1780 else if (strcmp(var.value, "enabled") == 0)
01394a7f 1781 spu_config.iUseReverb = true;
1782 }
1783
3abd263a 1784 var.value = NULL;
01394a7f 1785 var.key = "pcsx_rearmed_spu_interpolation";
1786
3abd263a 1787 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 1788 {
1789 if (strcmp(var.value, "simple") == 0)
1790 spu_config.iUseInterpolation = 1;
1791 else if (strcmp(var.value, "gaussian") == 0)
1792 spu_config.iUseInterpolation = 2;
1793 else if (strcmp(var.value, "cubic") == 0)
1794 spu_config.iUseInterpolation = 3;
1795 else if (strcmp(var.value, "off") == 0)
1796 spu_config.iUseInterpolation = 0;
1797 }
1798
3abd263a 1799 var.value = NULL;
b3480be8 1800 var.key = "pcsx_rearmed_pe2_fix";
1801
3abd263a 1802 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
b3480be8 1803 {
1804 if (strcmp(var.value, "disabled") == 0)
1805 Config.RCntFix = 0;
1806 else if (strcmp(var.value, "enabled") == 0)
1807 Config.RCntFix = 1;
1808 }
7a811716 1809
7a811716 1810 var.value = NULL;
1811 var.key = "pcsx_rearmed_icache_emulation";
1812
1813 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1814 {
1815 if (strcmp(var.value, "disabled") == 0)
1816 Config.icache_emulation = 0;
1817 else if (strcmp(var.value, "enabled") == 0)
1818 Config.icache_emulation = 1;
1819 }
ace14ab3 1820
3abd263a 1821 var.value = NULL;
b3480be8 1822 var.key = "pcsx_rearmed_inuyasha_fix";
1823
3abd263a 1824 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
b3480be8 1825 {
1826 if (strcmp(var.value, "disabled") == 0)
1827 Config.VSyncWA = 0;
1828 else if (strcmp(var.value, "enabled") == 0)
1829 Config.VSyncWA = 1;
1830 }
1831
679b71e2
JW		 1832#ifndef _WIN32
1833 var.value = NULL;
1834 var.key = "pcsx_rearmed_async_cd";
3abd263a 1835 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
679b71e2
JW		 1836 {
1837 if (strcmp(var.value, "async") == 0)
1d2757f4 1838 {
cada0a36 1839 Config.AsyncCD = 1;
1d2757f4 1840 Config.CHD_Precache = 0;
1841 }
1842 else if (strcmp(var.value, "sync") == 0)
1843 {
cada0a36 1844 Config.AsyncCD = 0;
1d2757f4 1845 Config.CHD_Precache = 0;
1846 }
1847 else if (strcmp(var.value, "precache") == 0)
1848 {
1849 Config.AsyncCD = 0;
1850 Config.CHD_Precache = 1;
1851 }
679b71e2
JW		 1852 }
1853#endif
1854
b12cce74 1855 var.value = NULL;
1856 var.key = "pcsx_rearmed_noxadecoding";
3abd263a 1857 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
b12cce74 1858 {
1859 if (strcmp(var.value, "disabled") == 0)
1860 Config.Xa = 1;
1861 else
1862 Config.Xa = 0;
1863 }
1864
1865 var.value = NULL;
1866 var.key = "pcsx_rearmed_nocdaudio";
3abd263a 1867 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
b12cce74 1868 {
1869 if (strcmp(var.value, "disabled") == 0)
1870 Config.Cdda = 1;
1871 else
1872 Config.Cdda = 0;
1873 }
1874
34af0fff 1875 var.value = NULL;
1876 var.key = "pcsx_rearmed_spuirq";
3abd263a 1877 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
34af0fff 1878 {
1879 if (strcmp(var.value, "disabled") == 0)
1880 Config.SpuIrq = 0;
1881 else
1882 Config.SpuIrq = 1;
1883 }
1884
c765eb86
JW		 1885#ifdef THREAD_RENDERING
1886 var.key = "pcsx_rearmed_gpu_thread_rendering";
1887 var.value = NULL;
1888
1889 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1890 {
1891 if (strcmp(var.value, "disabled") == 0)
1892 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
1893 else if (strcmp(var.value, "sync") == 0)
1894 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
1895 else if (strcmp(var.value, "async") == 0)
1896 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
1897 }
1898#endif
1899
2d17de26 1900#ifdef GPU_PEOPS
3abd263a 1901 var.value = NULL;
6713b629 1902 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
c8108d88 1903
1904 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1905 {
1906 if (strcmp(var.value, "enabled") == 0)
6713b629 1907 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
c8108d88 1908 }
1909
3abd263a 1910 var.value = NULL;
6713b629 1911 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
c8108d88 1912
1913 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1914 {
1915 if (strcmp(var.value, "enabled") == 0)
6713b629 1916 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
c8108d88 1917 }
1918
3abd263a 1919 var.value = NULL;
6713b629 1920 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
c8108d88 1921
1922 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1923 {
1924 if (strcmp(var.value, "enabled") == 0)
6713b629 1925 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
c8108d88 1926 }
1927
3abd263a 1928 var.value = NULL;
6713b629 1929 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
c8108d88 1930
1931 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1932 {
1933 if (strcmp(var.value, "enabled") == 0)
6713b629 1934 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
c8108d88 1935 }
1936
3abd263a 1937 var.value = NULL;
6713b629 1938 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
c8108d88 1939
1940 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1941 {
1942 if (strcmp(var.value, "enabled") == 0)
6713b629 1943 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
c8108d88 1944 }
1945
3abd263a 1946 var.value = NULL;
6713b629 1947 var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
c8108d88 1948
1949 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1950 {
1951 if (strcmp(var.value, "enabled") == 0)
6713b629 1952 gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
c8108d88 1953 }
1954
3abd263a 1955 var.value = NULL;
6713b629 1956 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
c8108d88 1957
1958 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1959 {
1960 if (strcmp(var.value, "enabled") == 0)
6713b629 1961 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
c8108d88 1962 }
1963
3abd263a 1964 var.value = NULL;
6713b629 1965 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
c8108d88 1966
1967 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1968 {
1969 if (strcmp(var.value, "enabled") == 0)
6713b629 1970 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
c8108d88 1971 }
1972
3abd263a 1973 var.value = NULL;
6713b629 1974 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
c8108d88 1975
1976 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1977 {
1978 if (strcmp(var.value, "enabled") == 0)
6713b629 1979 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
c8108d88 1980 }
1981
1982 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1983 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1984
6713b629 1985 /* Show/hide core options */
c8108d88 1986
1987 var.key = "pcsx_rearmed_show_gpu_peops_settings";
1988 var.value = NULL;
1989
1990 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1991 {
1992 int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
1993
1994 show_advanced_gpu_peops_settings = 1;
1995 if (strcmp(var.value, "disabled") == 0)
1996 show_advanced_gpu_peops_settings = 0;
1997
1998 if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
1999 {
2000 unsigned i;
2001 struct retro_core_option_display option_display;
6713b629 2002 char gpu_peops_option[9][45] = {
2003 "pcsx_rearmed_gpu_peops_odd_even_bit",
2004 "pcsx_rearmed_gpu_peops_expand_screen_width",
2005 "pcsx_rearmed_gpu_peops_ignore_brightness",
2006 "pcsx_rearmed_gpu_peops_disable_coord_check",
2007 "pcsx_rearmed_gpu_peops_lazy_screen_update",
2008 "pcsx_rearmed_gpu_peops_old_frame_skip",
2009 "pcsx_rearmed_gpu_peops_repeated_triangles",
2010 "pcsx_rearmed_gpu_peops_quads_with_triangles",
cada0a36 2011 "pcsx_rearmed_gpu_peops_fake_busy_state"
c8108d88 2012 };
2013
2014 option_display.visible = show_advanced_gpu_peops_settings;
2015
2016 for (i = 0; i < 9; i++)
2017 {
2018 option_display.key = gpu_peops_option[i];
2019 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2020 }
2021 }
2022 }
2023#endif
2024
030d1121 2025#ifdef GPU_UNAI
2026 var.key = "pcsx_rearmed_gpu_unai_ilace_force";
2027 var.value = NULL;
2028
3abd263a 2029 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
030d1121 2030 {
2031 if (strcmp(var.value, "disabled") == 0)
2032 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2033 else if (strcmp(var.value, "enabled") == 0)
2034 pl_rearmed_cbs.gpu_unai.ilace_force = 1;
2035 }
2036
2037 var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
2038 var.value = NULL;
2039
3abd263a 2040 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
030d1121 2041 {
2042 if (strcmp(var.value, "disabled") == 0)
2043 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2044 else if (strcmp(var.value, "enabled") == 0)
2045 pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
2046 }
2047
2048 var.key = "pcsx_rearmed_gpu_unai_lighting";
2049 var.value = NULL;
2050
3abd263a 2051 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
030d1121 2052 {
2053 if (strcmp(var.value, "disabled") == 0)
2054 pl_rearmed_cbs.gpu_unai.lighting = 0;
2055 else if (strcmp(var.value, "enabled") == 0)
2056 pl_rearmed_cbs.gpu_unai.lighting = 1;
2057 }
2058
2059 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2060 var.value = NULL;
2061
3abd263a 2062 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
030d1121 2063 {
2064 if (strcmp(var.value, "disabled") == 0)
2065 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2066 else if (strcmp(var.value, "enabled") == 0)
2067 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2068 }
2069
2070 var.key = "pcsx_rearmed_gpu_unai_blending";
2071 var.value = NULL;
2072
3abd263a 2073 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
030d1121 2074 {
2075 if (strcmp(var.value, "disabled") == 0)
2076 pl_rearmed_cbs.gpu_unai.blending = 0;
2077 else if (strcmp(var.value, "enabled") == 0)
2078 pl_rearmed_cbs.gpu_unai.blending = 1;
2079 }
2080
43047988
JW		 2081 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2082 var.value = NULL;
2083
2084 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2085 {
2086 if (strcmp(var.value, "disabled") == 0)
2087 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2088 else if (strcmp(var.value, "enabled") == 0)
2089 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2090 }
2091
030d1121 2092 var.key = "pcsx_rearmed_show_gpu_unai_settings";
2093 var.value = NULL;
2094
2095 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2096 {
2097 int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
2098
2099 show_advanced_gpu_unai_settings = 1;
2100 if (strcmp(var.value, "disabled") == 0)
2101 show_advanced_gpu_unai_settings = 0;
2102
2103 if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
2104 {
2105 unsigned i;
2106 struct retro_core_option_display option_display;
43047988 2107 char gpu_unai_option[6][40] = {
030d1121 2108 "pcsx_rearmed_gpu_unai_blending",
2109 "pcsx_rearmed_gpu_unai_lighting",
2110 "pcsx_rearmed_gpu_unai_fast_lighting",
2111 "pcsx_rearmed_gpu_unai_ilace_force",
43047988 2112 "pcsx_rearmed_gpu_unai_pixel_skip",
c765eb86 2113 "pcsx_rearmed_gpu_unai_scale_hires",
030d1121 2114 };
2115
2116 option_display.visible = show_advanced_gpu_unai_settings;
2117
43047988 2118 for (i = 0; i < 6; i++)
030d1121 2119 {
2120 option_display.key = gpu_unai_option[i];
2121 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2122 }
2123 }
2124 }
2125#endif // GPU_UNAI
2126
cada0a36 2127 //This adjustment process gives the user the ability to manually align the mouse up better
e16ecc89 2128 //with where the shots are in the emulator.
2129
2130 var.value = NULL;
2131 var.key = "pcsx_rearmed_gunconadjustx";
2132
2133 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2134 {
cada0a36 2135 GunconAdjustX = atoi(var.value);
e16ecc89 2136 }
2137
2138 var.value = NULL;
2139 var.key = "pcsx_rearmed_gunconadjusty";
2140
2141 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2142 {
cada0a36 2143 GunconAdjustY = atoi(var.value);
2144 }
e16ecc89 2145
2146 var.value = NULL;
2147 var.key = "pcsx_rearmed_gunconadjustratiox";
2148
2149 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2150 {
cada0a36 2151 GunconAdjustRatioX = atof(var.value);
2152 }
e16ecc89 2153
2154 var.value = NULL;
2155 var.key = "pcsx_rearmed_gunconadjustratioy";
2156
2157 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2158 {
cada0a36 2159 GunconAdjustRatioY = atof(var.value);
e16ecc89 2160 }
2161
630b122b 2162#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
ce239f4a 2163 var.value = NULL;
2164 var.key = "pcsx_rearmed_nosmccheck";
2165 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2166 {
2167 if (strcmp(var.value, "enabled") == 0)
2168 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2169 else
2170 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2171 }
2172
2173 var.value = NULL;
2174 var.key = "pcsx_rearmed_gteregsunneeded";
2175 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2176 {
2177 if (strcmp(var.value, "enabled") == 0)
2178 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2179 else
2180 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2181 }
2182
2183 var.value = NULL;
2184 var.key = "pcsx_rearmed_nogteflags";
2185 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2186 {
2187 if (strcmp(var.value, "enabled") == 0)
2188 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2189 else
2190 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2191 }
2192
2193 /* this probably is safe to change in real-time */
2194 var.value = NULL;
2195 var.key = "pcsx_rearmed_psxclock";
2196 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2197 {
2198 int psxclock = atoi(var.value);
2199 cycle_multiplier = 10000 / psxclock;
2200 }
630b122b 2201
2202 var.value = NULL;
2203 var.key = "pcsx_rearmed_nocompathacks";
2204 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2205 {
2206 if (strcmp(var.value, "enabled") == 0)
2207 new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
2208 else
2209 new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
2210 }
2211#endif /* !DRC_DISABLE && !LIGHTREC */
2212
2213 var.value = NULL;
2214 var.key = "pcsx_rearmed_nostalls";
2215 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2216 {
2217 if (strcmp(var.value, "enabled") == 0)
2218 Config.DisableStalls = 1;
2219 else
2220 Config.DisableStalls = 0;
2221 }
ce239f4a 2222
399a33fe 2223 var.value = NULL;
2224 var.key = "pcsx_rearmed_input_sensitivity";
2225 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2226 {
2227 mouse_sensitivity = atof(var.value);
2228 }
2229
ce239f4a 2230 var.key = "pcsx_rearmed_show_other_input_settings";
2231 var.value = NULL;
2232
2233 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2234 {
2235 int previous_settings = show_other_input_settings;
2236
2237 show_other_input_settings = 1;
2238 if (strcmp(var.value, "disabled") == 0)
2239 show_other_input_settings = 0;
2240
2241 if (show_other_input_settings != previous_settings)
2242 {
2243 unsigned i;
2244 struct retro_core_option_display option_display;
2245 char gpu_peops_option[][50] = {
ce239f4a 2246 "pcsx_rearmed_negcon_deadzone",
2247 "pcsx_rearmed_negcon_response",
2248 "pcsx_rearmed_analog_axis_modifier",
2249 "pcsx_rearmed_gunconadjustx",
2250 "pcsx_rearmed_gunconadjusty",
2251 "pcsx_rearmed_gunconadjustratiox",
2252 "pcsx_rearmed_gunconadjustratioy"
2253 };
2254 #define INPUT_LIST (sizeof(gpu_peops_option) / sizeof(gpu_peops_option[0]))
2255
2256 option_display.visible = show_other_input_settings;
2257
2258 for (i = 0; i < INPUT_LIST; i++)
2259 {
2260 option_display.key = gpu_peops_option[i];
2261 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2262 }
2263 }
2264 }
2265
8822aea7 2266 if (in_flight)
2267 {
2268 // inform core things about possible config changes
32ab9e53 2269 plugin_call_rearmed_cbs();
805fe9bc 2270
8822aea7 2271 if (GPU_open != NULL && GPU_close != NULL)
2272 {
32ab9e53
TJ		 2273 GPU_close();
2274 GPU_open(&gpuDisp, "PCSX", NULL);
2275 }
805fe9bc 2276
5eaa13f1
A		 2277 /* Reinitialise frameskipping, if required */
2278 if (((frameskip_type != prev_frameskip_type)))
2279 retro_set_audio_buff_status_cb();
2280
8b9b4c9f 2281 /* dfinput_activate(); */
32ab9e53 2282 }
27cf7d31 2283 else
2284 {
b580cc4f 2285 //not yet running
5bf56268 2286
b580cc4f 2287 //bootlogo display hack
8822aea7 2288 if (found_bios)
2289 {
3abd263a 2290 var.value = NULL;
b580cc4f 2291 var.key = "pcsx_rearmed_show_bios_bootlogo";
3abd263a 2292 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
b580cc4f 2293 {
27cf7d31 2294 Config.SlowBoot = 0;
2295 rebootemu = 0;
0a6520c3 2296 if (strcmp(var.value, "enabled") == 0)
27cf7d31 2297 {
f422f444 2298 Config.SlowBoot = 1;
27cf7d31 2299 rebootemu = 1;
2300 }
b580cc4f 2301 }
2302 }
2303 }
e268a47e 2304}
2305
8741f7a2 2306// Taken from beetle-psx-libretro
6fbd15c8 2307static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
8741f7a2 2308{
cada0a36 2309 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2310 // feature (or pre-date it) so we need to handle this in a graceful way.
8741f7a2 2311
cada0a36 2312 // First, try and get an analog value using the new libretro API constant
2313 uint16_t button = input_state_cb(player_index,
8822aea7 2314 RETRO_DEVICE_ANALOG,
2315 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2316 id);
cada0a36 2317 button = MIN(button / 128, 255);
8741f7a2 2318
cada0a36 2319 if (button == 0)
2320 {
2321 // If we got exactly zero, we're either not pressing the button, or the front-end
2322 // is not reporting analog values. We need to do a second check using the classic
2323 // digital API method, to at least get some response - better than nothing.
8741f7a2 2324
cada0a36 2325 // NOTE: If we're really just not holding the button, we're still going to get zero.
8741f7a2 2326
cada0a36 2327 button = (ret & (1 << id)) ? 255 : 0;
2328 }
8741f7a2 2329
cada0a36 2330 return button;
8741f7a2 2331}
2332
8822aea7 2333unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2334{
cada0a36 2335 float modifier_axis_range = 0;
2336
8822aea7 2337 if (is_square)
2338 {
cada0a36 2339 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
8822aea7 2340 if (modifier_axis_range < 0)
2341 {
cada0a36 2342 modifier_axis_range = 0;
8822aea7 2343 }
2344 else if (modifier_axis_range > 255)
2345 {
cada0a36 2346 modifier_axis_range = 255;
2347 }
8822aea7 2348 }
2349 else
2350 {
cada0a36 2351 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2352 }
ace1989f 2353
cada0a36 2354 return modifier_axis_range;
ace1989f
SK		 2355}
2356
34f7d033 2357static void update_input_guncon(int port, int ret)
38c2028e 2358{
34f7d033 2359 //ToDo move across to:
2360 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2361 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2362 //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2363 //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2364 //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2365 //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2366 //Though not sure these are hooked up properly on the Pi
2367
34f7d033 2368 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2369
2370 // Trigger
2371 //The 1 is hardcoded instead of port to prevent the overlay mouse button libretro crash bug
7c455640 2372 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
8822aea7 2373 {
34f7d033 2374 in_keystate[port] |= (1 << DKEY_CIRCLE);
cada0a36 2375 }
2376
34f7d033 2377 // A
7c455640 2378 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
8822aea7 2379 {
34f7d033 2380 in_keystate[port] |= (1 << DKEY_START);
2381 }
cada0a36 2382
34f7d033 2383 // B
7c455640 2384 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE))
34f7d033 2385 {
2386 in_keystate[port] |= (1 << DKEY_CROSS);
2387 }
cada0a36 2388
7c455640 2389 int gunx = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2390 int guny = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
cada0a36 2391
34f7d033 2392 //Mouse range is -32767 -> 32767
2393 //1% is about 655
2394 //Use the left analog stick field to store the absolute coordinates
7c455640 2395 in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
2396 in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
34f7d033 2397}
cada0a36 2398
34f7d033 2399static void update_input_negcon(int port, int ret)
2400{
2401 int lsx;
2402 int rsy;
2403 int negcon_i_rs;
2404 int negcon_ii_rs;
2405 float negcon_twist_amplitude;
cada0a36 2406
34f7d033 2407 // Query digital inputs
2408 //
2409 // > Pad-Up
2410 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2411 in_keystate[port] |= (1 << DKEY_UP);
2412 // > Pad-Right
2413 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2414 in_keystate[port] |= (1 << DKEY_RIGHT);
2415 // > Pad-Down
2416 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2417 in_keystate[port] |= (1 << DKEY_DOWN);
2418 // > Pad-Left
2419 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2420 in_keystate[port] |= (1 << DKEY_LEFT);
2421 // > Start
2422 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2423 in_keystate[port] |= (1 << DKEY_START);
2424 // > neGcon A
2425 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2426 in_keystate[port] |= (1 << DKEY_CIRCLE);
2427 // > neGcon B
2428 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2429 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2430 // > neGcon R shoulder (digital)
2431 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2432 in_keystate[port] |= (1 << DKEY_R1);
2433 // Query analog inputs
2434 //
2435 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2436 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2437 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2438 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2439 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2440 // So we just have to map in_analog_left/right to more
2441 // appropriate inputs...
2442 //
2443 // > NeGcon twist
2444 // >> Get raw analog stick value and account for deadzone
2445 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2446 if (lsx > negcon_deadzone)
2447 lsx = lsx - negcon_deadzone;
2448 else if (lsx < -negcon_deadzone)
2449 lsx = lsx + negcon_deadzone;
2450 else
2451 lsx = 0;
2452 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2453 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2454 if (negcon_linearity == 2)
2455 {
2456 if (negcon_twist_amplitude < 0.0)
2457 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2458 else
2459 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2460 }
2461 else if (negcon_linearity == 3)
2462 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2463 // >> Convert to final 'in_analog' integer value [0,255]
2464 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2465 // > NeGcon I + II
2466 // >> Handle right analog stick vertical axis mapping...
2467 // - Up (-Y) == accelerate == neGcon I
2468 // - Down (+Y) == brake == neGcon II
2469 negcon_i_rs = 0;
2470 negcon_ii_rs = 0;
2471 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2472 if (rsy >= 0)
2473 {
2474 // Account for deadzone
2475 // (Note: have never encountered a gamepad with significant differences
2476 // in deadzone between left/right analog sticks, so use the regular 'twist'
2477 // deadzone here)
2478 if (rsy > negcon_deadzone)
2479 rsy = rsy - negcon_deadzone;
2480 else
2481 rsy = 0;
2482 // Convert to 'in_analog' integer value [0,255]
2483 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
cada0a36 2484 }
6fbd15c8 2485 else
34f7d033 2486 {
2487 if (rsy < -negcon_deadzone)
2488 rsy = -1 * (rsy + negcon_deadzone);
2489 else
2490 rsy = 0;
2491 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2492 }
2493 // >> NeGcon I
2494 in_analog_right[port][1] = MAX(
2495 MAX(
2496 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2497 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2498 negcon_i_rs);
2499 // >> NeGcon II
2500 in_analog_left[port][0] = MAX(
2501 MAX(
2502 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2503 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2504 negcon_ii_rs);
2505 // > NeGcon L
2506 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2507}
e268a47e 2508
399a33fe 2509static void update_input_mouse(int port, int ret)
2510{
2511 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2512 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2513
2514 int x = (int)roundf(raw_x * mouse_sensitivity);
2515 int y = (int)roundf(raw_y * mouse_sensitivity);
2516
2517 if (x > 127) x = 127;
2518 else if (x < -128) x = -128;
2519
2520 if (y > 127) y = 127;
2521 else if (y < -128) y = -128;
2522
2523 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2524 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2525
2526 /* left mouse button state */
2527 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2528 in_keystate[port] |= 1 << 11;
2529
2530 /* right mouse button state */
2531 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2532 in_keystate[port] |= 1 << 10;
2533}
2534
34f7d033 2535static void update_input(void)
2536{
cada0a36 2537 // reset all keystate, query libretro for keystate
34f7d033 2538 int i;
cada0a36 2539 int j;
e268a47e 2540
8822aea7 2541 for (i = 0; i < PORTS_NUMBER; i++)
6fbd15c8 2542 {
8822aea7 2543 int16_t ret = 0;
34f7d033 2544 int type = in_type[i];
2545
cada0a36 2546 in_keystate[i] = 0;
3c0fb554 2547
34f7d033 2548 if (type == PSE_PAD_TYPE_NONE)
cada0a36 2549 continue;
c8108d88 2550
6fbd15c8 2551 if (libretro_supports_bitmasks)
2552 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2553 else
2554 {
8822aea7 2555 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
6fbd15c8 2556 {
a3c2efcd 2557 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
8822aea7 2558 ret |= (1 << j);
6fbd15c8 2559 }
2560 }
3c0fb554 2561
34f7d033 2562 switch (type)
cada0a36 2563 {
34f7d033 2564 case PSE_PAD_TYPE_GUNCON:
2565 update_input_guncon(i, ret);
2566 break;
2567 case PSE_PAD_TYPE_NEGCON:
2568 update_input_negcon(i, ret);
2569 break;
7dea987c 2570 case PSE_PAD_TYPE_MOUSE:
399a33fe 2571 update_input_mouse(i, ret);
2572 break;
34f7d033 2573 default:
cada0a36 2574 // Query digital inputs
2575 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2576 if (ret & (1 << j))
2577 in_keystate[i] |= retro_psx_map[j];
2578
2579 // Query analog inputs
34f7d033 2580 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
cada0a36 2581 {
34f7d033 2582 in_analog_left[i][0] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X), axis_bounds_modifier);
2583 in_analog_left[i][1] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y), axis_bounds_modifier);
cada0a36 2584 in_analog_right[i][0] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X), axis_bounds_modifier);
2585 in_analog_right[i][1] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y), axis_bounds_modifier);
2586 }
2587 }
2588 }
34f7d033 2589}
2590
2591static void print_internal_fps(void)
2592{
2593 if (display_internal_fps)
2594 {
2595 frame_count++;
2596
2597 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2598 {
2599 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2600 char str[64];
2601 const char *strc = (const char *)str;
34f7d033 2602
2603 str[0] = '\0';
2604
2605 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2606
2607 pl_rearmed_cbs.flip_cnt = 0;
2608
8a60e610 2609 if (msg_interface_version >= 1)
2610 {
2611 struct retro_message_ext msg = {
2612 strc,
2613 3000,
2614 1,
2615 RETRO_LOG_INFO,
2616 RETRO_MESSAGE_TARGET_OSD,
2617 RETRO_MESSAGE_TYPE_STATUS,
2618 -1
2619 };
2620 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2621 }
2622 else
2623 {
2624 struct retro_message msg = {
2625 strc,
2626 180
2627 };
2628 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2629 }
34f7d033 2630 }
2631 }
2632 else
2633 frame_count = 0;
2634}
2635
2636void retro_run(void)
2637{
34f7d033 2638 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2639 if (rebootemu != 0)
2640 {
2641 rebootemu = 0;
2642 SysReset();
2643 if (!Config.HLE && !Config.SlowBoot)
2644 {
2645 // skip BIOS logos
2646 psxRegs.pc = psxRegs.GPR.n.ra;
2647 }
82df580d 2648 return;
34f7d033 2649 }
2650
2651 print_internal_fps();
2652
5eaa13f1
A		 2653 /* Check whether current frame should
2654 * be skipped */
2655 pl_rearmed_cbs.fskip_force = 0;
2656 pl_rearmed_cbs.fskip_dirty = 0;
44c38f79 2657
2658 if (frameskip_type != FRAMESKIP_NONE)
5eaa13f1 2659 {
44c38f79 2660 bool skip_frame = false;
5eaa13f1
A		 2661
2662 switch (frameskip_type)
2663 {
44c38f79 2664 case FRAMESKIP_AUTO:
2665 skip_frame = retro_audio_buff_active && retro_audio_buff_underrun;
5eaa13f1 2666 break;
44c38f79 2667 case FRAMESKIP_AUTO_THRESHOLD:
2668 skip_frame = retro_audio_buff_active && (retro_audio_buff_occupancy < frameskip_threshold);
5eaa13f1 2669 break;
44c38f79 2670 case FRAMESKIP_FIXED_INTERVAL:
5eaa13f1
A		 2671 skip_frame = true;
2672 break;
2673 default:
5eaa13f1
A		 2674 break;
2675 }
2676
2677 if (skip_frame && frameskip_counter < frameskip_interval)
2678 pl_rearmed_cbs.fskip_force = 1;
2679 }
2680
2681 /* If frameskip/timing settings have changed,
2682 * update frontend audio latency
2683 * > Can do this before or after the frameskip
2684 * check, but doing it after means we at least
2685 * retain the current frame's audio output */
2686 if (update_audio_latency)
2687 {
2688 environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
2689 &retro_audio_latency);
2690 update_audio_latency = false;
2691 }
2692
34f7d033 2693 input_poll_cb();
2694
2695 update_input();
2696
2697 bool updated = false;
2698 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2699 update_variables(true);
cada0a36 2700
2701 stop = 0;
2702 psxCpu->Execute();
2703
5eaa13f1
A		 2704 if (pl_rearmed_cbs.fskip_dirty == 1) {
2705 if (frameskip_counter < frameskip_interval)
2706 frameskip_counter++;
2707 else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
2708 frameskip_counter = 0;
2709 }
2710
cada0a36 2711 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
8822aea7 2712 vout_width, vout_height, vout_width * 2);
cada0a36 2713 vout_fb_dirty = 0;
2714
2715 set_vout_fb();
38c2028e 2716}
2717
74ebc05b 2718static bool try_use_bios(const char *path)
2719{
cada0a36 2720 long size;
2721 const char *name;
226a5691 2722 FILE *fp = fopen(path, "rb");
2723 if (fp == NULL)
cada0a36 2724 return false;
74ebc05b 2725
226a5691 2726 fseek(fp, 0, SEEK_END);
2727 size = ftell(fp);
2728 fclose(fp);
74ebc05b 2729
cada0a36 2730 if (size != 512 * 1024)
2731 return false;
74ebc05b 2732
cada0a36 2733 name = strrchr(path, SLASH);
2734 if (name++ == NULL)
2735 name = path;
2736 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2737 return true;
74ebc05b 2738}
2739
c4052f4d 2740#ifndef VITA
74ebc05b 2741#include <sys/types.h>
2742#include <dirent.h>
2743
2744static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2745{
cada0a36 2746 DIR *dir;
2747 struct dirent *ent;
2748 bool ret = false;
74ebc05b 2749
cada0a36 2750 dir = opendir(dirpath);
2751 if (dir == NULL)
2752 return false;
74ebc05b 2753
8822aea7 2754 while ((ent = readdir(dir)))
2755 {
cada0a36 2756 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2757 continue;
74ebc05b 2758
cada0a36 2759 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2760 ret = try_use_bios(path);
2761 if (ret)
2762 break;
2763 }
2764 closedir(dir);
2765 return ret;
74ebc05b 2766}
2767#else
2768#define find_any_bios(...) false
2769#endif
2770
11813b9d 2771static void check_system_specs(void)
2772{
2773 unsigned level = 6;
2774 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2775}
2776
d382721e
MOB		 2777static int init_memcards(void)
2778{
cada0a36 2779 int ret = 0;
2780 const char *dir;
8822aea7 2781 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
cada0a36 2782 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2783
2784 // Memcard2 will be handled and is re-enabled if needed using core
2785 // operations.
2786 // Memcard1 is handled by libretro, doing this will set core to
2787 // skip file io operations for memcard1 like SaveMcd
2788 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2789 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2790 init_memcard(Mcd1Data);
2791 // Memcard 2 is managed by the emulator on the filesystem,
2792 // There is no need to initialize Mcd2Data like Mcd1Data.
2793
8822aea7 2794 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2795 {
cada0a36 2796 SysPrintf("Memcard 2: %s\n", var.value);
8822aea7 2797 if (memcmp(var.value, "enabled", 7) == 0)
2798 {
2799 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
2800 {
2801 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
2802 {
cada0a36 2803 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2804 ret = -1;
8822aea7 2805 }
2806 else
2807 {
cada0a36 2808 McdDisable[1] = 0;
2809 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2810 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2811 }
8822aea7 2812 }
2813 else
2814 {
cada0a36 2815 SysPrintf("Could not get save directory! Could not create memcard 2.");
2816 ret = -1;
2817 }
2818 }
2819 }
2820 return ret;
d382721e
MOB		 2821}
2822
9e7bdf29 2823static void loadPSXBios(void)
38c2028e 2824{
cada0a36 2825 const char *dir;
2826 char path[PATH_MAX];
2827 unsigned useHLE = 0;
2828
2829 const char *bios[] = {
2830 "PSXONPSP660", "psxonpsp660",
2831 "SCPH101", "scph101",
2832 "SCPH5501", "scph5501",
2833 "SCPH7001", "scph7001",
2834 "SCPH1001", "scph1001"
2835 };
2836
2837 struct retro_variable var = {
2838 .key = "pcsx_rearmed_bios",
2839 .value = NULL
2840 };
2841
2842 found_bios = 0;
2843
8822aea7 2844 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2845 {
cada0a36 2846 if (!strcmp(var.value, "HLE"))
2847 useHLE = 1;
2848 }
2849
2850 if (!useHLE)
2851 {
2852 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2853 {
2854 unsigned i;
2855 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2856
8822aea7 2857 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
2858 {
cada0a36 2859 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2860 found_bios = try_use_bios(path);
2861 if (found_bios)
2862 break;
2863 }
2864
2865 if (!found_bios)
2866 found_bios = find_any_bios(dir, path, sizeof(path));
2867 }
8822aea7 2868 if (found_bios)
2869 {
cada0a36 2870 SysPrintf("found BIOS file: %s\n", Config.Bios);
2871 }
2872 }
2873
138b161a 2874 if (!found_bios)
cada0a36 2875 {
138b161a 2876 const char *msg_str;
2877 if (useHLE)
2878 {
2879 msg_str = "BIOS set to \'hle\' in core options - real BIOS will be ignored";
2880 SysPrintf("Using HLE BIOS.\n");
2881 }
2882 else
2883 {
2884 msg_str = "No PlayStation BIOS file found - add for better compatibility";
2885 SysPrintf("No BIOS files found.\n");
2886 }
8a60e610 2887
2888 if (msg_interface_version >= 1)
2889 {
2890 struct retro_message_ext msg = {
2891 msg_str,
2892 3000,
2893 3,
2894 RETRO_LOG_WARN,
2895 RETRO_MESSAGE_TARGET_ALL,
2896 RETRO_MESSAGE_TYPE_NOTIFICATION,
2897 -1
2898 };
2899 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2900 }
2901 else
2902 {
2903 struct retro_message msg = {
2904 msg_str,
2905 180
2906 };
2907 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2908 }
cada0a36 2909 }
9e7bdf29 2910}
2911
2912void retro_init(void)
2913{
cada0a36 2914 unsigned dci_version = 0;
2915 struct retro_rumble_interface rumble;
2916 int ret;
38c2028e 2917
8a60e610 2918 msg_interface_version = 0;
2919 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
2920
0e1ccb3f 2921#if defined(__MACH__) && !defined(TVOS)
cada0a36 2922 // magic sauce to make the dynarec work on iOS
2923 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
d148d265 2924#endif
2925
fc99395c 2926#ifdef _3DS
fc99395c 2927 psxMapHook = pl_3ds_mmap;
2928 psxUnmapHook = pl_3ds_munmap;
1a5fd794 2929#endif
2930#ifdef VITA
8822aea7 2931 if (init_vita_mmap() < 0)
73081f23 2932 abort();
1a5fd794 2933 psxMapHook = pl_vita_mmap;
2934 psxUnmapHook = pl_vita_munmap;
fc99395c 2935#endif
cada0a36 2936 ret = emu_core_preinit();
5bf56268 2937#ifdef _3DS
e4d84733 2938 /* emu_core_preinit sets the cpu to dynarec */
8822aea7 2939 if (!__ctr_svchax)
e4d84733 2940 Config.Cpu = CPU_INTERPRETER;
2941#endif
cada0a36 2942 ret |= init_memcards();
73081f23 2943
cada0a36 2944 ret |= emu_core_init();
8822aea7 2945 if (ret != 0)
2946 {
cada0a36 2947 SysPrintf("PCSX init failed.\n");
2948 exit(1);
2949 }
38c2028e 2950
0b7f536b 2951#ifdef _3DS
2952 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
12367ad0 2953#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
9361a5aa
EC		 2954 if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
2955 vout_buf = (void *) 0;
29122437 2956#else
cada0a36 2957 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437 2958#endif
5bf56268 2959
cada0a36 2960 vout_buf_ptr = vout_buf;
74ebc05b 2961
cada0a36 2962 loadPSXBios();
38c2028e 2963
cada0a36 2964 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
144493e8 2965
8822aea7 2966 disk_initial_index = 0;
cada0a36 2967 disk_initial_path[0] = '\0';
2968 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2969 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2970 else
2971 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
79f29e0a 2972
cada0a36 2973 rumble_cb = NULL;
2974 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2975 rumble_cb = rumble.set_rumble_state;
1a6164a1 2976
cada0a36 2977 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2978 * we have to do this because cache misses and some IO penalties
2979 * are not emulated. Warning: changing this may break compatibility. */
2980 cycle_multiplier = 175;
44e8d7af 2981#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
cada0a36 2982 cycle_multiplier = 200;
5ca2ec64 2983#endif
cada0a36 2984 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2985 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2986 spu_config.iUseFixedUpdates = 1;
5ca2ec64 2987
cada0a36 2988 SaveFuncs.open = save_open;
2989 SaveFuncs.read = save_read;
2990 SaveFuncs.write = save_write;
2991 SaveFuncs.seek = save_seek;
2992 SaveFuncs.close = save_close;
e268a47e 2993
6fbd15c8 2994 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2995 libretro_supports_bitmasks = true;
2996
cada0a36 2997 check_system_specs();
38c2028e 2998}
2999
3000void retro_deinit(void)
3001{
8822aea7 3002 if (plugins_opened)
3003 {
cada0a36 3004 ClosePlugins();
3005 plugins_opened = 0;
3006 }
3007 SysClose();
0b7f536b 3008#ifdef _3DS
3009 linearFree(vout_buf);
3010#else
cada0a36 3011 free(vout_buf);
0b7f536b 3012#endif
cada0a36 3013 vout_buf = NULL;
d8f2e2d8
SL		 3014
3015#ifdef VITA
cada0a36 3016 deinit_vita_mmap();
d8f2e2d8 3017#endif
6fbd15c8 3018 libretro_supports_bitmasks = false;
144493e8 3019
cada0a36 3020 /* Have to reset disks struct, otherwise
3021 * fnames/flabels will leak memory */
3022 disk_init();
44c38f79 3023 frameskip_type = FRAMESKIP_NONE;
5eaa13f1 3024 frameskip_threshold = 0;
44c38f79 3025 frameskip_interval = 0;
5eaa13f1
A		 3026 frameskip_counter = 0;
3027 retro_audio_buff_active = false;
3028 retro_audio_buff_occupancy = 0;
3029 retro_audio_buff_underrun = false;
3030 retro_audio_latency = 0;
3031 update_audio_latency = false;
38c2028e 3032}
c4052f4d 3033
3034#ifdef VITA
3035#include <psp2/kernel/threadmgr.h>
8822aea7 3036int usleep(unsigned long us)
c4052f4d 3037{
3038 sceKernelDelayThread(us);
3039}
3040#endif
130984f5 3041
8822aea7 3042void SysPrintf(const char *fmt, ...)
3043{
cada0a36 3044 va_list list;
3045 char msg[512];
130984f5 3046
cada0a36 3047 va_start(list, fmt);
3048 vsprintf(msg, fmt, list);
3049 va_end(list);
130984f5 3050
cada0a36 3051 if (log_cb)
3052 log_cb(RETRO_LOG_INFO, "%s", msg);
130984f5 3053}
d23e64c1 3054
3055/* Prints debug-level logs */
3056void SysDLog(const char *fmt, ...)
3057{
3058 va_list list;
3059 char msg[512];
3060
3061 va_start(list, fmt);
3062 vsprintf(msg, fmt, list);
3063 va_end(list);
3064
3065 if (log_cb)
3066 log_cb(RETRO_LOG_DEBUG, "%s", msg);
3067}
ARM optimized PCSX fork