yet more timing hacks
[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
7a8d521f 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"
7a8d521f 29#include "../libpcsxcore/r3000a.h"
07c13dfd 30#include "../plugins/dfsound/out.h"
01394a7f 31#include "../plugins/dfsound/spu_config.h"
c82f907a 32#include "cspace.h"
38c2028e 33#include "main.h"
7a8d521f 34#include "menu.h"
38c2028e 35#include "plugin.h"
36#include "plugin_lib.h"
8f2bb0cb 37#include "arm_features.h"
38c2028e 38#include "revision.h"
7a8d521f 39
40#include <libretro.h>
41#include "libretro_core_options.h"
42
43#ifdef USE_LIBRETRO_VFS
44#include <streams/file_stream_transforms.h>
45#endif
46
47#ifdef _3DS
48#include "3ds/3ds_utils.h"
49#endif
50
51#define PORTS_NUMBER 8
52
53#ifndef MIN
54#define MIN(a, b) ((a) < (b) ? (a) : (b))
55#endif
56
57#ifndef MAX
58#define MAX(a, b) ((a) > (b) ? (a) : (b))
59#endif
60
61#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
62
63#define INTERNAL_FPS_SAMPLE_PERIOD 64
64
65//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
66static int rebootemu = 0;
38c2028e 67
68static retro_video_refresh_t video_cb;
69static retro_input_poll_t input_poll_cb;
70static retro_input_state_t input_state_cb;
71static retro_environment_t environ_cb;
72static retro_audio_sample_batch_t audio_batch_cb;
7a8d521f 73static retro_set_rumble_state_t rumble_cb;
74static struct retro_log_callback logging;
75static retro_log_printf_t log_cb;
76
77static unsigned msg_interface_version = 0;
38c2028e 78
79static void *vout_buf;
7a8d521f 80static void *vout_buf_ptr;
70d56ca3 81static int vout_width, vout_height;
308c6e67 82static int vout_fb_dirty;
1a6164a1 83static bool vout_can_dupe;
0e5a7b7d 84static bool duping_enable;
7a8d521f 85static bool found_bios;
86static bool display_internal_fps = false;
87static unsigned frame_count = 0;
88static bool libretro_supports_bitmasks = false;
89static bool libretro_supports_option_categories = false;
90static bool show_input_settings = true;
91#ifdef GPU_PEOPS
92static bool show_advanced_gpu_peops_settings = true;
93#endif
94#ifdef GPU_UNAI
95static bool show_advanced_gpu_unai_settings = true;
96#endif
97static float mouse_sensitivity = 1.0f;
98
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;
111
112static int retro_audio_buff_active = false;
113static unsigned retro_audio_buff_occupancy = 0;
114static int retro_audio_buff_underrun = false;
115
116static unsigned retro_audio_latency = 0;
117static int update_audio_latency = false;
118
119static unsigned previous_width = 0;
120static unsigned previous_height = 0;
70d56ca3 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];
7a8d521f 127extern char Mcd2Data[MCD_SIZE];
f9f60dae 128extern char McdDisable[2];
38c2028e 129
130/* PCSX ReARMed core calls and stuff */
7a8d521f 131int in_type[8] = {
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};
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 } };
139unsigned short in_keystate[PORTS_NUMBER];
140int in_mouse[8][2];
141int multitap1 = 0;
142int multitap2 = 0;
4e477065 143int in_enable_vibration = 1;
38c2028e 144
7a8d521f 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
164static bool axis_bounds_modifier;
165
805fe9bc 166/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
7a8d521f 167#define VOUT_MAX_WIDTH 1024
805fe9bc 168#define VOUT_MAX_HEIGHT 512
169
7a8d521f 170//Dummy functions
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; }
178
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{
7a8d521f 191 unsigned off = 0;
192 unsigned i;
7df396ea 193
7a8d521f 194 memset(mcd_data, 0, MCD_SIZE);
7df396ea 195
7a8d521f 196 mcd_data[off++] = 'M';
197 mcd_data[off++] = 'C';
198 off += 0x7d;
199 mcd_data[off++] = 0x0e;
7df396ea 200
7a8d521f 201 for (i = 0; i < 15; i++)
202 {
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 }
7df396ea 210
7a8d521f 211 for (i = 0; i < 20; i++)
212 {
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
7a8d521f 224static void set_vout_fb()
38c2028e 225{
7a8d521f 226 struct retro_framebuffer fb = { 0 };
227
228 fb.width = vout_width;
229 fb.height = vout_height;
230 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
231
232 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
233 vout_buf_ptr = (uint16_t *)fb.data;
234 else
235 vout_buf_ptr = vout_buf;
38c2028e 236}
237
e4c83ca6 238static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
38c2028e 239{
7a8d521f 240 vout_width = w;
241 vout_height = h;
242
243 if (previous_width != vout_width || previous_height != vout_height)
244 {
245 previous_width = vout_width;
246 previous_height = vout_height;
247
248 struct retro_system_av_info info;
249 retro_get_system_av_info(&info);
250 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
251 }
252
253 set_vout_fb();
38c2028e 254}
255
cc4f9b70 256#ifndef FRONTEND_SUPPORTS_RGB565
9c59f120 257static void convert(void *buf, size_t bytes)
38c2028e 258{
7a8d521f 259 unsigned int i, v, *p = buf;
38c2028e 260
7a8d521f 261 for (i = 0; i < bytes / 4; i++)
262 {
263 v = p[i];
264 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
265 }
38c2028e 266}
46aa5b98 267#endif
38c2028e 268
308c6e67 269static void vout_flip(const void *vram, int stride, int bgr24,
270 int x, int y, int w, int h, int dims_changed)
38c2028e 271{
7a8d521f 272 unsigned short *dest = vout_buf_ptr;
273 const unsigned short *src = vram;
274 int dstride = vout_width, h1 = h;
7a8d521f 275
308c6e67 276 if (vram == NULL || dims_changed)
7a8d521f 277 {
308c6e67 278 memset(vout_buf_ptr, 0, dstride * vout_height * 2);
7a8d521f 279 // blanking
308c6e67 280 if (vram == NULL)
281 goto out;
7a8d521f 282 }
283
308c6e67 284 dest += x + y * dstride;
7a8d521f 285
286 if (bgr24)
287 {
288 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
289 for (; h1-- > 0; dest += dstride, src += stride)
290 {
291 bgr888_to_rgb565(dest, src, w * 3);
292 }
293 }
294 else
295 {
296 for (; h1-- > 0; dest += dstride, src += stride)
297 {
298 bgr555_to_rgb565(dest, src, w * 2);
299 }
300 }
38c2028e 301
fa56d360 302out:
46aa5b98 303#ifndef FRONTEND_SUPPORTS_RGB565
7a8d521f 304 convert(vout_buf_ptr, vout_width * vout_height * 2);
305#endif
306 vout_fb_dirty = 1;
307 pl_rearmed_cbs.flip_cnt++;
308}
309
310#ifdef _3DS
311typedef struct
312{
313 void *buffer;
314 uint32_t target_map;
315 size_t size;
316 enum psxMapTag tag;
317} psx_map_t;
318
319psx_map_t custom_psx_maps[] = {
320 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
321 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
322 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
323 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
324 { NULL, 0x12000000, 0x200000, MAP_TAG_VRAM }, // 0x00000000
325};
326
327void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
328 enum psxMapTag tag)
329{
330 (void)is_fixed;
331 (void)addr;
332
333 if (__ctr_svchax)
334 {
335 psx_map_t *custom_map = custom_psx_maps;
336
337 for (; custom_map->size; custom_map++)
338 {
339 if ((custom_map->size == size) && (custom_map->tag == tag))
340 {
341 uint32_t ptr_aligned, tmp;
342
343 custom_map->buffer = malloc(size + 0x1000);
344 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
345
346 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
347 {
348 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
349 exit(1);
350 }
351
352 return (void *)custom_map->target_map;
353 }
354 }
355 }
356
357 return malloc(size);
358}
359
360void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
361{
362 (void)tag;
363
364 if (__ctr_svchax)
365 {
366 psx_map_t *custom_map = custom_psx_maps;
367
368 for (; custom_map->size; custom_map++)
369 {
370 if ((custom_map->target_map == (uint32_t)ptr))
371 {
372 uint32_t ptr_aligned, tmp;
373
374 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
375
376 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
377
378 free(custom_map->buffer);
379 custom_map->buffer = NULL;
380 return;
381 }
382 }
383 }
384
385 free(ptr);
386}
387#endif
388
389#ifdef VITA
390typedef struct
391{
392 void *buffer;
393 uint32_t target_map;
394 size_t size;
395 enum psxMapTag tag;
396} psx_map_t;
397
398void *addr = NULL;
399
400psx_map_t custom_psx_maps[] = {
401 { NULL, NULL, 0x210000, MAP_TAG_RAM }, // 0x80000000
402 { NULL, NULL, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
403 { NULL, NULL, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
404 { NULL, NULL, 0x800000, MAP_TAG_LUTS }, // 0x08000000
405 { NULL, NULL, 0x200000, MAP_TAG_VRAM }, // 0x00000000
406};
407
408int init_vita_mmap()
409{
410 int n;
411 void *tmpaddr;
412 addr = malloc(64 * 1024 * 1024);
413 if (addr == NULL)
414 return -1;
415 tmpaddr = ((u32)(addr + 0xFFFFFF)) & ~0xFFFFFF;
416 custom_psx_maps[0].buffer = tmpaddr + 0x2000000;
417 custom_psx_maps[1].buffer = tmpaddr + 0x1800000;
418 custom_psx_maps[2].buffer = tmpaddr + 0x1c00000;
419 custom_psx_maps[3].buffer = tmpaddr + 0x0000000;
420 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
421#if 0
422 for(n = 0; n < 5; n++){
423 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
424 }
46aa5b98 425#endif
7a8d521f 426 return 0;
427}
428
429void deinit_vita_mmap()
430{
431 free(addr);
432}
433
434void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
435 enum psxMapTag tag)
436{
437 (void)is_fixed;
438 (void)addr;
439
440 psx_map_t *custom_map = custom_psx_maps;
441
442 for (; custom_map->size; custom_map++)
443 {
444 if ((custom_map->size == size) && (custom_map->tag == tag))
445 {
446 return custom_map->buffer;
447 }
448 }
449
450 return malloc(size);
38c2028e 451}
452
7a8d521f 453void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
38c2028e 454{
7a8d521f 455 (void)tag;
456
457 psx_map_t *custom_map = custom_psx_maps;
458
459 for (; custom_map->size; custom_map++)
460 {
461 if ((custom_map->buffer == ptr))
462 {
463 return;
464 }
465 }
466
467 free(ptr);
38c2028e 468}
7a8d521f 469#endif
38c2028e 470
cc56203b 471static void *pl_mmap(unsigned int size)
472{
7a8d521f 473 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 474}
475
476static void pl_munmap(void *ptr, unsigned int size)
477{
7a8d521f 478 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 479}
480
38c2028e 481struct rearmed_cbs pl_rearmed_cbs = {
7a8d521f 482 .pl_vout_open = vout_open,
483 .pl_vout_set_mode = vout_set_mode,
484 .pl_vout_flip = vout_flip,
485 .pl_vout_close = vout_close,
486 .mmap = pl_mmap,
487 .munmap = pl_munmap,
488 /* from psxcounters */
489 .gpu_hcnt = &hSyncCount,
490 .gpu_frame_count = &frame_counter,
38c2028e 491};
492
493void pl_frame_limit(void)
494{
7a8d521f 495 /* called once per frame, make psxCpu->Execute() above return */
da65071f 496 stop++;
38c2028e 497}
498
499void pl_timing_prepare(int is_pal)
500{
7a8d521f 501 is_pal_mode = is_pal;
38c2028e 502}
503
d71c7095 504void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 505{
7a8d521f 506 if (!rumble_cb)
507 return;
508
509 if (in_enable_vibration)
510 {
511 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
512 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
513 }
38c2028e 514}
515
2db412ad 516void pl_gun_byte2(int port, unsigned char byte)
38c2028e 517{
518}
519
520/* sound calls */
7a8d521f 521static void snd_feed(void *buf, int bytes)
38c2028e 522{
7a8d521f 523 if (audio_batch_cb != NULL)
524 audio_batch_cb(buf, bytes / 4);
38c2028e 525}
526
7a8d521f 527void out_register_libretro(struct out_driver *drv)
38c2028e 528{
7a8d521f 529 drv->name = "libretro";
530 drv->init = snd_init;
531 drv->finish = snd_finish;
532 drv->busy = snd_busy;
533 drv->feed = snd_feed;
38c2028e 534}
535
7a8d521f 536#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
537#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
538#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
539#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
540#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
541#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
542
543static char *get_pse_pad_label[] = {
544 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
545};
546
547static const struct retro_controller_description pads[7] =
38c2028e 548{
7a8d521f 549 { "standard", RETRO_DEVICE_JOYPAD },
550 { "analog", RETRO_DEVICE_PSE_ANALOG },
551 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
552 { "negcon", RETRO_DEVICE_PSE_NEGCON },
553 { "guncon", RETRO_DEVICE_PSE_GUNCON },
554 { "mouse", RETRO_DEVICE_PSE_MOUSE },
555 { NULL, 0 },
556};
38c2028e 557
7a8d521f 558static const struct retro_controller_info ports[9] =
38c2028e 559{
7a8d521f 560 { pads, 7 },
561 { pads, 7 },
562 { pads, 7 },
563 { pads, 7 },
564 { pads, 7 },
565 { pads, 7 },
566 { pads, 7 },
567 { pads, 7 },
568 { NULL, 0 },
569};
38c2028e 570
7a8d521f 571/* libretro */
572
573static bool update_option_visibility(void)
07c13dfd 574{
7a8d521f 575 struct retro_variable var = {0};
576 struct retro_core_option_display option_display = {0};
577 bool updated = false;
578 unsigned i;
579
580 /* If frontend supports core option categories
581 * then show/hide core option entries are ignored
582 * and no options should be hidden */
583 if (libretro_supports_option_categories)
584 return false;
585
586 var.key = "pcsx_rearmed_show_input_settings";
587 var.value = NULL;
588
589 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
590 {
591 bool show_input_settings_prev =
592 show_input_settings;
593
594 show_input_settings = true;
595 if (strcmp(var.value, "disabled") == 0)
596 show_input_settings = false;
597
598 if (show_input_settings !=
599 show_input_settings_prev)
600 {
601 char input_option[][50] = {
602 "pcsx_rearmed_analog_axis_modifier",
603 "pcsx_rearmed_vibration",
604 "pcsx_rearmed_multitap",
605 "pcsx_rearmed_negcon_deadzone",
606 "pcsx_rearmed_negcon_response",
607 "pcsx_rearmed_input_sensitivity",
608 "pcsx_rearmed_gunconadjustx",
609 "pcsx_rearmed_gunconadjusty",
610 "pcsx_rearmed_gunconadjustratiox",
611 "pcsx_rearmed_gunconadjustratioy"
612 };
613
614 option_display.visible = show_input_settings;
615
616 for (i = 0;
617 i < (sizeof(input_option) /
618 sizeof(input_option[0]));
619 i++)
620 {
621 option_display.key = input_option[i];
622 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
623 &option_display);
624 }
625
626 updated = true;
627 }
628 }
629#ifdef GPU_PEOPS
630 var.key = "pcsx_rearmed_show_gpu_peops_settings";
631 var.value = NULL;
632
633 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
634 {
635 bool show_advanced_gpu_peops_settings_prev =
636 show_advanced_gpu_peops_settings;
637
638 show_advanced_gpu_peops_settings = true;
639 if (strcmp(var.value, "disabled") == 0)
640 show_advanced_gpu_peops_settings = false;
641
642 if (show_advanced_gpu_peops_settings !=
643 show_advanced_gpu_peops_settings_prev)
644 {
645 unsigned i;
646 struct retro_core_option_display option_display;
647 char gpu_peops_option[][45] = {
648 "pcsx_rearmed_gpu_peops_odd_even_bit",
649 "pcsx_rearmed_gpu_peops_expand_screen_width",
650 "pcsx_rearmed_gpu_peops_ignore_brightness",
651 "pcsx_rearmed_gpu_peops_disable_coord_check",
652 "pcsx_rearmed_gpu_peops_lazy_screen_update",
653 "pcsx_rearmed_gpu_peops_repeated_triangles",
654 "pcsx_rearmed_gpu_peops_quads_with_triangles",
655 "pcsx_rearmed_gpu_peops_fake_busy_state"
656 };
657
658 option_display.visible = show_advanced_gpu_peops_settings;
659
660 for (i = 0;
661 i < (sizeof(gpu_peops_option) /
662 sizeof(gpu_peops_option[0]));
663 i++)
664 {
665 option_display.key = gpu_peops_option[i];
666 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
667 &option_display);
668 }
669
670 updated = true;
671 }
672 }
673#endif
674#ifdef GPU_UNAI
675 var.key = "pcsx_rearmed_show_gpu_unai_settings";
676 var.value = NULL;
677
678 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
679 {
680 bool show_advanced_gpu_unai_settings_prev =
681 show_advanced_gpu_unai_settings;
682
683 show_advanced_gpu_unai_settings = true;
684 if (strcmp(var.value, "disabled") == 0)
685 show_advanced_gpu_unai_settings = false;
686
687 if (show_advanced_gpu_unai_settings !=
688 show_advanced_gpu_unai_settings_prev)
689 {
690 unsigned i;
691 struct retro_core_option_display option_display;
692 char gpu_unai_option[][40] = {
693 "pcsx_rearmed_gpu_unai_blending",
694 "pcsx_rearmed_gpu_unai_lighting",
695 "pcsx_rearmed_gpu_unai_fast_lighting",
696 "pcsx_rearmed_gpu_unai_scale_hires",
697 };
698
699 option_display.visible = show_advanced_gpu_unai_settings;
700
701 for (i = 0;
702 i < (sizeof(gpu_unai_option) /
703 sizeof(gpu_unai_option[0]));
704 i++)
705 {
706 option_display.key = gpu_unai_option[i];
707 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
708 &option_display);
709 }
710
711 updated = true;
712 }
713 }
714#endif
715 return updated;
07c13dfd 716}
717
e268a47e 718void retro_set_environment(retro_environment_t cb)
719{
7a8d521f 720 bool option_categories = false;
721#ifdef USE_LIBRETRO_VFS
722 struct retro_vfs_interface_info vfs_iface_info;
7d68d030 723#endif
e268a47e 724
725 environ_cb = cb;
726
7a8d521f 727 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
728 log_cb = logging.log;
729
730 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
731
732 /* Set core options
733 * An annoyance: retro_set_environment() can be called
734 * multiple times, and depending upon the current frontend
735 * state various environment callbacks may be disabled.
736 * This means the reported 'categories_supported' status
737 * may change on subsequent iterations. We therefore have
738 * to record whether 'categories_supported' is true on any
739 * iteration, and latch the result */
740 libretro_set_core_options(environ_cb, &option_categories);
741 libretro_supports_option_categories |= option_categories;
742
743 /* If frontend supports core option categories,
744 * any show/hide core option entries are unused
745 * and should be hidden */
746 if (libretro_supports_option_categories)
747 {
748 struct retro_core_option_display option_display;
749 option_display.visible = false;
750
751 option_display.key = "pcsx_rearmed_show_input_settings";
752 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
753 &option_display);
754
755#ifdef GPU_PEOPS
756 option_display.key = "pcsx_rearmed_show_gpu_peops_settings";
757 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
758 &option_display);
759#endif
760#ifdef GPU_UNAI
761 option_display.key = "pcsx_rearmed_show_gpu_unai_settings";
762 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
763 &option_display);
764#endif
765 }
766 /* If frontend does not support core option
767 * categories, core options may be shown/hidden
768 * at runtime. In this case, register 'update
769 * display' callback, so frontend can update
770 * core options menu without calling retro_run() */
771 else
772 {
773 struct retro_core_options_update_display_callback update_display_cb;
774 update_display_cb.callback = update_option_visibility;
775
776 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK,
777 &update_display_cb);
778 }
779
780#ifdef USE_LIBRETRO_VFS
781 vfs_iface_info.required_interface_version = 1;
782 vfs_iface_info.iface = NULL;
783 if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
784 filestream_vfs_init(&vfs_iface_info);
785#endif
e268a47e 786}
787
38c2028e 788void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
789void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
790void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
791void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
792void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
793
794unsigned retro_api_version(void)
795{
7a8d521f 796 return RETRO_API_VERSION;
797}
798
799static void update_multitap(void)
800{
801 struct retro_variable var = { 0 };
802
803 multitap1 = 0;
804 multitap2 = 0;
805
806 var.value = NULL;
807 var.key = "pcsx_rearmed_multitap";
808 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
809 {
810 if (strcmp(var.value, "port 1") == 0)
811 multitap1 = 1;
812 else if (strcmp(var.value, "port 2") == 0)
813 multitap2 = 1;
814 else if (strcmp(var.value, "ports 1 and 2") == 0)
815 {
816 multitap1 = 1;
817 multitap2 = 1;
818 }
819 }
38c2028e 820}
821
822void retro_set_controller_port_device(unsigned port, unsigned device)
823{
7a8d521f 824 if (port >= PORTS_NUMBER)
825 return;
826
827 switch (device)
828 {
829 case RETRO_DEVICE_JOYPAD:
830 case RETRO_DEVICE_PSE_STANDARD:
831 in_type[port] = PSE_PAD_TYPE_STANDARD;
832 break;
833 case RETRO_DEVICE_PSE_ANALOG:
834 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
835 break;
836 case RETRO_DEVICE_PSE_DUALSHOCK:
837 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
838 break;
839 case RETRO_DEVICE_PSE_MOUSE:
840 in_type[port] = PSE_PAD_TYPE_MOUSE;
841 break;
842 case RETRO_DEVICE_PSE_NEGCON:
843 in_type[port] = PSE_PAD_TYPE_NEGCON;
844 break;
845 case RETRO_DEVICE_PSE_GUNCON:
846 in_type[port] = PSE_PAD_TYPE_GUNCON;
847 break;
848 case RETRO_DEVICE_NONE:
849 default:
850 in_type[port] = PSE_PAD_TYPE_NONE;
851 break;
852 }
853
854 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
38c2028e 855}
856
857void retro_get_system_info(struct retro_system_info *info)
858{
7a8d521f 859#ifndef GIT_VERSION
860#define GIT_VERSION ""
861#endif
862 memset(info, 0, sizeof(*info));
863 info->library_name = "PCSX-ReARMed";
864 info->library_version = "r23l" GIT_VERSION;
0cae7d24 865 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd|iso|exe";
7a8d521f 866 info->need_fullpath = true;
38c2028e 867}
868
869void retro_get_system_av_info(struct retro_system_av_info *info)
870{
7a8d521f 871 unsigned geom_height = vout_height > 0 ? vout_height : 240;
872 unsigned geom_width = vout_width > 0 ? vout_width : 320;
873
874 memset(info, 0, sizeof(*info));
875 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
876 info->timing.sample_rate = 44100.0;
877 info->geometry.base_width = geom_width;
878 info->geometry.base_height = geom_height;
879 info->geometry.max_width = VOUT_MAX_WIDTH;
880 info->geometry.max_height = VOUT_MAX_HEIGHT;
881 info->geometry.aspect_ratio = 4.0 / 3.0;
38c2028e 882}
883
6e921e1d 884/* savestates */
7a8d521f 885size_t retro_serialize_size(void)
886{
887 // it's currently 4380651-4397047 bytes,
888 // but have some reserved for future
889 return 0x440000;
6e921e1d 890}
891
7a8d521f 892struct save_fp
893{
894 char *buf;
895 size_t pos;
896 int is_write;
6e921e1d 897};
898
899static void *save_open(const char *name, const char *mode)
900{
7a8d521f 901 struct save_fp *fp;
6e921e1d 902
7a8d521f 903 if (name == NULL || mode == NULL)
904 return NULL;
6e921e1d 905
7a8d521f 906 fp = malloc(sizeof(*fp));
907 if (fp == NULL)
908 return NULL;
6e921e1d 909
7a8d521f 910 fp->buf = (char *)name;
911 fp->pos = 0;
912 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
6e921e1d 913
7a8d521f 914 return fp;
6e921e1d 915}
916
917static int save_read(void *file, void *buf, u32 len)
918{
7a8d521f 919 struct save_fp *fp = file;
920 if (fp == NULL || buf == NULL)
921 return -1;
6e921e1d 922
7a8d521f 923 memcpy(buf, fp->buf + fp->pos, len);
924 fp->pos += len;
925 return len;
6e921e1d 926}
927
928static int save_write(void *file, const void *buf, u32 len)
929{
7a8d521f 930 struct save_fp *fp = file;
931 if (fp == NULL || buf == NULL)
932 return -1;
6e921e1d 933
7a8d521f 934 memcpy(fp->buf + fp->pos, buf, len);
935 fp->pos += len;
936 return len;
6e921e1d 937}
938
939static long save_seek(void *file, long offs, int whence)
940{
7a8d521f 941 struct save_fp *fp = file;
942 if (fp == NULL)
943 return -1;
6e921e1d 944
7a8d521f 945 switch (whence)
946 {
947 case SEEK_CUR:
948 fp->pos += offs;
949 return fp->pos;
950 case SEEK_SET:
951 fp->pos = offs;
952 return fp->pos;
953 default:
954 return -1;
955 }
6e921e1d 956}
957
958static void save_close(void *file)
959{
7a8d521f 960 struct save_fp *fp = file;
961 size_t r_size = retro_serialize_size();
962 if (fp == NULL)
963 return;
964
965 if (fp->pos > r_size)
966 SysPrintf("ERROR: save buffer overflow detected\n");
967 else if (fp->is_write && fp->pos < r_size)
968 // make sure we don't save trash in leftover space
969 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
970 free(fp);
38c2028e 971}
972
973bool retro_serialize(void *data, size_t size)
7a8d521f 974{
975 int ret = SaveState(data);
976 return ret == 0 ? true : false;
38c2028e 977}
978
979bool retro_unserialize(const void *data, size_t size)
980{
7a8d521f 981 int ret = LoadState(data);
982 return ret == 0 ? true : false;
38c2028e 983}
984
23ea11bd 985/* cheats */
38c2028e 986void retro_cheat_reset(void)
987{
7a8d521f 988 ClearAllCheats();
38c2028e 989}
990
991void retro_cheat_set(unsigned index, bool enabled, const char *code)
992{
1e93efc0 993 int ret = -1;
994 char *buf;
7a8d521f 995
1e93efc0 996 // cheat funcs are destructive, need a copy...
997 buf = strdup(code);
998 if (buf == NULL)
999 goto finish;
6e921e1d 1000
7a8d521f 1001 //Prepare buffered cheat for PCSX's AddCheat fucntion.
1002 int cursor = 0;
1003 int nonhexdec = 0;
1004 while (buf[cursor])
1005 {
1006 if (!(ISHEXDEC))
1007 {
1008 if (++nonhexdec % 2)
1009 {
1010 buf[cursor] = ' ';
1011 }
1012 else
1013 {
1014 buf[cursor] = '\n';
1015 }
1016 }
1017 cursor++;
1018 }
6e921e1d 1019
7a8d521f 1020 if (index < NumCheats)
1021 ret = EditCheat(index, "", buf);
1022 else
1023 ret = AddCheat("", buf);
6e921e1d 1024
1e93efc0 1025finish:
7a8d521f 1026 if (ret != 0)
1027 SysPrintf("Failed to set cheat %#u\n", index);
1028 else if (index < NumCheats)
1029 Cheats[index].Enabled = enabled;
1e93efc0 1030 free(buf);
38c2028e 1031}
1032
7a8d521f 1033// just in case, maybe a win-rt port in the future?
1034#ifdef _WIN32
1035#define SLASH '\\'
1036#else
1037#define SLASH '/'
1038#endif
1039
1040#ifndef PATH_MAX
1041#define PATH_MAX 4096
1042#endif
1043
23ea11bd 1044/* multidisk support */
7a8d521f 1045static unsigned int disk_initial_index;
1046static char disk_initial_path[PATH_MAX];
23ea11bd 1047static bool disk_ejected;
1048static unsigned int disk_current_index;
51ba7408 1049static unsigned int disk_count;
7a8d521f 1050static struct disks_state
1051{
1052 char *fname;
1053 char *flabel;
1054 int internal_index; // for multidisk eboots
23ea11bd 1055} disks[8];
1056
7a8d521f 1057static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
1058{
1059 const char *base = NULL;
1060
1061 if (!disk_path || (*disk_path == '\0'))
1062 return;
1063
1064 base = strrchr(disk_path, SLASH);
1065 if (!base)
1066 base = disk_path;
1067
1068 if (*base == SLASH)
1069 base++;
1070
1071 strncpy(disk_label, base, len - 1);
1072 disk_label[len - 1] = '\0';
1073
1074 char *ext = strrchr(disk_label, '.');
1075 if (ext)
1076 *ext = '\0';
1077}
1078
1079static void disk_init(void)
1080{
1081 size_t i;
1082
1083 disk_ejected = false;
1084 disk_current_index = 0;
1085 disk_count = 0;
1086
1087 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
1088 {
1089 if (disks[i].fname != NULL)
1090 {
1091 free(disks[i].fname);
1092 disks[i].fname = NULL;
1093 }
1094 if (disks[i].flabel != NULL)
1095 {
1096 free(disks[i].flabel);
1097 disks[i].flabel = NULL;
1098 }
1099 disks[i].internal_index = 0;
1100 }
1101}
1102
23ea11bd 1103static bool disk_set_eject_state(bool ejected)
1104{
7a8d521f 1105 // weird PCSX API..
1106 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
1107 LidInterrupt();
23ea11bd 1108
7a8d521f 1109 disk_ejected = ejected;
1110 return true;
23ea11bd 1111}
1112
1113static bool disk_get_eject_state(void)
1114{
7a8d521f 1115 /* can't be controlled by emulated software */
1116 return disk_ejected;
23ea11bd 1117}
1118
1119static unsigned int disk_get_image_index(void)
1120{
7a8d521f 1121 return disk_current_index;
23ea11bd 1122}
1123
1124static bool disk_set_image_index(unsigned int index)
1125{
7a8d521f 1126 if (index >= sizeof(disks) / sizeof(disks[0]))
1127 return false;
23ea11bd 1128
7a8d521f 1129 CdromId[0] = '\0';
1130 CdromLabel[0] = '\0';
23ea11bd 1131
7a8d521f 1132 if (disks[index].fname == NULL)
1133 {
1134 SysPrintf("missing disk #%u\n", index);
1135 CDR_shutdown();
23ea11bd 1136
7a8d521f 1137 // RetroArch specifies "no disk" with index == count,
1138 // so don't fail here..
1139 disk_current_index = index;
1140 return true;
1141 }
23ea11bd 1142
7a8d521f 1143 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
1144 disks[index].fname, disks[index].internal_index);
23ea11bd 1145
7a8d521f 1146 cdrIsoMultidiskSelect = disks[index].internal_index;
1147 set_cd_image(disks[index].fname);
1148 if (ReloadCdromPlugin() < 0)
1149 {
1150 SysPrintf("failed to load cdr plugin\n");
1151 return false;
1152 }
1153 if (CDR_open() < 0)
1154 {
1155 SysPrintf("failed to open cdr plugin\n");
1156 return false;
1157 }
23ea11bd 1158
7a8d521f 1159 if (!disk_ejected)
1160 {
1161 SetCdOpenCaseTime(time(NULL) + 2);
1162 LidInterrupt();
1163 }
23ea11bd 1164
7a8d521f 1165 disk_current_index = index;
1166 return true;
23ea11bd 1167}
1168
1169static unsigned int disk_get_num_images(void)
1170{
7a8d521f 1171 return disk_count;
23ea11bd 1172}
1173
1174static bool disk_replace_image_index(unsigned index,
7a8d521f 1175 const struct retro_game_info *info)
23ea11bd 1176{
7a8d521f 1177 char *old_fname = NULL;
1178 char *old_flabel = NULL;
1179 bool ret = true;
1180
1181 if (index >= sizeof(disks) / sizeof(disks[0]))
1182 return false;
1183
1184 old_fname = disks[index].fname;
1185 old_flabel = disks[index].flabel;
1186
1187 disks[index].fname = NULL;
1188 disks[index].flabel = NULL;
1189 disks[index].internal_index = 0;
1190
1191 if (info != NULL)
1192 {
1193 char disk_label[PATH_MAX];
1194 disk_label[0] = '\0';
1195
1196 disks[index].fname = strdup(info->path);
23ea11bd 1197
7a8d521f 1198 get_disk_label(disk_label, info->path, PATH_MAX);
1199 disks[index].flabel = strdup(disk_label);
23ea11bd 1200
7a8d521f 1201 if (index == disk_current_index)
1202 ret = disk_set_image_index(index);
1203 }
23ea11bd 1204
7a8d521f 1205 if (old_fname != NULL)
1206 free(old_fname);
23ea11bd 1207
7a8d521f 1208 if (old_flabel != NULL)
1209 free(old_flabel);
23ea11bd 1210
7a8d521f 1211 return ret;
23ea11bd 1212}
1213
1214static bool disk_add_image_index(void)
1215{
7a8d521f 1216 if (disk_count >= 8)
1217 return false;
51ba7408 1218
7a8d521f 1219 disk_count++;
1220 return true;
23ea11bd 1221}
1222
7a8d521f 1223static bool disk_set_initial_image(unsigned index, const char *path)
1224{
1225 if (index >= sizeof(disks) / sizeof(disks[0]))
1226 return false;
23ea11bd 1227
7a8d521f 1228 if (!path || (*path == '\0'))
1229 return false;
9fba39a9 1230
7a8d521f 1231 disk_initial_index = index;
9fba39a9 1232
7a8d521f 1233 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1234 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1235
1236 return true;
9fba39a9
T
1237}
1238
7a8d521f 1239static bool disk_get_image_path(unsigned index, char *path, size_t len)
9fba39a9 1240{
7a8d521f 1241 const char *fname = NULL;
9fba39a9 1242
7a8d521f 1243 if (len < 1)
1244 return false;
9fba39a9 1245
7a8d521f 1246 if (index >= sizeof(disks) / sizeof(disks[0]))
1247 return false;
1248
1249 fname = disks[index].fname;
1250
1251 if (!fname || (*fname == '\0'))
1252 return false;
1253
1254 strncpy(path, fname, len - 1);
1255 path[len - 1] = '\0';
1256
1257 return true;
1258}
1259
1260static bool disk_get_image_label(unsigned index, char *label, size_t len)
1261{
1262 const char *flabel = NULL;
1263
1264 if (len < 1)
1265 return false;
1266
1267 if (index >= sizeof(disks) / sizeof(disks[0]))
1268 return false;
1269
1270 flabel = disks[index].flabel;
1271
1272 if (!flabel || (*flabel == '\0'))
1273 return false;
1274
1275 strncpy(label, flabel, len - 1);
1276 label[len - 1] = '\0';
1277
1278 return true;
1279}
1280
1281static struct retro_disk_control_callback disk_control = {
1282 .set_eject_state = disk_set_eject_state,
1283 .get_eject_state = disk_get_eject_state,
1284 .get_image_index = disk_get_image_index,
1285 .set_image_index = disk_set_image_index,
1286 .get_num_images = disk_get_num_images,
1287 .replace_image_index = disk_replace_image_index,
1288 .add_image_index = disk_add_image_index,
1289};
1290
1291static struct retro_disk_control_ext_callback disk_control_ext = {
1292 .set_eject_state = disk_set_eject_state,
1293 .get_eject_state = disk_get_eject_state,
1294 .get_image_index = disk_get_image_index,
1295 .set_image_index = disk_set_image_index,
1296 .get_num_images = disk_get_num_images,
1297 .replace_image_index = disk_replace_image_index,
1298 .add_image_index = disk_add_image_index,
1299 .set_initial_image = disk_set_initial_image,
1300 .get_image_path = disk_get_image_path,
1301 .get_image_label = disk_get_image_label,
1302};
1303
1304static char base_dir[1024];
1305
1306static bool read_m3u(const char *file)
1307{
1308 char line[1024];
1309 char name[PATH_MAX];
1310 FILE *fp = fopen(file, "r");
1311 if (!fp)
1312 return false;
1313
1314 while (fgets(line, sizeof(line), fp) && disk_count < sizeof(disks) / sizeof(disks[0]))
1315 {
1316 if (line[0] == '#')
1317 continue;
1318 char *carrige_return = strchr(line, '\r');
1319 if (carrige_return)
1320 *carrige_return = '\0';
1321 char *newline = strchr(line, '\n');
1322 if (newline)
1323 *newline = '\0';
1324
1325 if (line[0] != '\0')
1326 {
1327 char disk_label[PATH_MAX];
1328 disk_label[0] = '\0';
1329
1330 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1331 disks[disk_count].fname = strdup(name);
1332
1333 get_disk_label(disk_label, name, PATH_MAX);
1334 disks[disk_count].flabel = strdup(disk_label);
1335
1336 disk_count++;
1337 }
1338 }
1339
1340 fclose(fp);
1341 return (disk_count != 0);
1342}
1343
1344static void extract_directory(char *buf, const char *path, size_t size)
1345{
1346 char *base;
1347 strncpy(buf, path, size - 1);
1348 buf[size - 1] = '\0';
1349
1350 base = strrchr(buf, '/');
1351 if (!base)
1352 base = strrchr(buf, '\\');
1353
1354 if (base)
1355 *base = '\0';
1356 else
1357 {
9fba39a9
T
1358 buf[0] = '.';
1359 buf[1] = '\0';
1360 }
1361}
1362
003cfc63 1363#if defined(__QNX__) || defined(_WIN32)
41294f4d 1364/* Blackberry QNX doesn't have strcasestr */
1365
1366/*
1367 * Find the first occurrence of find in s, ignore case.
1368 */
1369char *
7a8d521f 1370strcasestr(const char *s, const char *find)
1371{
1372 char c, sc;
1373 size_t len;
1374
1375 if ((c = *find++) != 0)
1376 {
1377 c = tolower((unsigned char)c);
1378 len = strlen(find);
1379 do
1380 {
1381 do
1382 {
1383 if ((sc = *s++) == 0)
1384 return (NULL);
1385 } while ((char)tolower((unsigned char)sc) != c);
1386 } while (strncasecmp(s, find, len) != 0);
1387 s--;
1388 }
1389 return ((char *)s);
41294f4d 1390}
1391#endif
1392
7a8d521f 1393static void set_retro_memmap(void)
1394{
1395#ifndef NDEBUG
1396 struct retro_memory_map retromap = { 0 };
1397 struct retro_memory_descriptor mmap = {
1398 0, psxM, 0, 0, 0, 0, 0x200000
1399 };
1400
1401 retromap.descriptors = &mmap;
1402 retromap.num_descriptors = 1;
1403
1404 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1405#endif
1406}
1407
1408static void retro_audio_buff_status_cb(
1409 bool active, unsigned occupancy, bool underrun_likely)
1410{
1411 retro_audio_buff_active = active;
1412 retro_audio_buff_occupancy = occupancy;
1413 retro_audio_buff_underrun = underrun_likely;
1414}
1415
1416static void retro_set_audio_buff_status_cb(void)
1417{
1418 if (frameskip_type == FRAMESKIP_NONE)
1419 {
1420 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1421 retro_audio_latency = 0;
1422 }
1423 else
1424 {
1425 bool calculate_audio_latency = true;
1426
1427 if (frameskip_type == FRAMESKIP_FIXED_INTERVAL)
1428 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1429 else
1430 {
1431 struct retro_audio_buffer_status_callback buf_status_cb;
1432 buf_status_cb.callback = retro_audio_buff_status_cb;
1433 if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
1434 &buf_status_cb))
1435 {
1436 retro_audio_buff_active = false;
1437 retro_audio_buff_occupancy = 0;
1438 retro_audio_buff_underrun = false;
1439 retro_audio_latency = 0;
1440 calculate_audio_latency = false;
1441 }
1442 }
1443
1444 if (calculate_audio_latency)
1445 {
1446 /* Frameskip is enabled - increase frontend
1447 * audio latency to minimise potential
1448 * buffer underruns */
1449 uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
1450
1451 /* Set latency to 6x current frame time... */
1452 retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
1453
1454 /* ...then round up to nearest multiple of 32 */
1455 retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
1456 }
1457 }
1458
1459 update_audio_latency = true;
1460 frameskip_counter = 0;
1461}
1462
1463static void update_variables(bool in_flight);
38c2028e 1464bool retro_load_game(const struct retro_game_info *info)
1465{
7a8d521f 1466 size_t i;
1467 unsigned int cd_index = 0;
1468 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
8cddf575 1469 bool is_exe = (strcasestr(info->path, ".exe") != NULL);
1470 int ret;
9fba39a9 1471
e3f8313f 1472 struct retro_input_descriptor desc[] = {
7a8d521f 1473#define JOYP(port) \
1474 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1475 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1476 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1477 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1478 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1479 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1480 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1481 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1482 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1483 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1484 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1485 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1486 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1487 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1488 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1489 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1490 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1491 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1492 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1493 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" }, \
1494 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER, "Gun Trigger" }, \
1495 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD, "Gun Reload" }, \
1496 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A, "Gun Aux A" }, \
1497 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B, "Gun Aux B" },
1498
1499 JOYP(0)
1500 JOYP(1)
1501 JOYP(2)
1502 JOYP(3)
1503 JOYP(4)
1504 JOYP(5)
1505 JOYP(6)
1506 JOYP(7)
e3f8313f 1507
1508 { 0 },
1509 };
1510
7a8d521f 1511 frame_count = 0;
1512
e3f8313f 1513 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1514
46aa5b98 1515#ifdef FRONTEND_SUPPORTS_RGB565
7a8d521f 1516 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1517 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1518 {
1519 SysPrintf("RGB565 supported, using it\n");
1520 }
46aa5b98 1521#endif
c19aba43 1522
7a8d521f 1523 if (info == NULL || info->path == NULL)
1524 {
1525 SysPrintf("info->path required\n");
1526 return false;
1527 }
23ea11bd 1528
7a8d521f 1529 update_variables(false);
38c2028e 1530
7a8d521f 1531 if (plugins_opened)
1532 {
1533 ClosePlugins();
1534 plugins_opened = 0;
1535 }
23ea11bd 1536
7a8d521f 1537 disk_init();
9fba39a9 1538
7a8d521f 1539 extract_directory(base_dir, info->path, sizeof(base_dir));
23ea11bd 1540
7a8d521f 1541 if (is_m3u)
1542 {
1543 if (!read_m3u(info->path))
1544 {
1545 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1546 return false;
1547 }
1548 }
1549 else
1550 {
1551 char disk_label[PATH_MAX];
1552 disk_label[0] = '\0';
38c2028e 1553
7a8d521f 1554 disk_count = 1;
1555 disks[0].fname = strdup(info->path);
38c2028e 1556
7a8d521f 1557 get_disk_label(disk_label, info->path, PATH_MAX);
1558 disks[0].flabel = strdup(disk_label);
1559 }
38c2028e 1560
7a8d521f 1561 /* If this is an M3U file, attempt to set the
1562 * initial disk image */
1563 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1564 {
1565 const char *fname = disks[disk_initial_index].fname;
38c2028e 1566
7a8d521f 1567 if (fname && (*fname != '\0'))
1568 if (strcmp(disk_initial_path, fname) == 0)
1569 cd_index = disk_initial_index;
1570 }
38c2028e 1571
7a8d521f 1572 set_cd_image(disks[cd_index].fname);
1573 disk_current_index = cd_index;
38c2028e 1574
7a8d521f 1575 /* have to reload after set_cd_image for correct cdr plugin */
1576 if (LoadPlugins() == -1)
1577 {
1578 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1579 return false;
1580 }
38c2028e 1581
7a8d521f 1582 plugins_opened = 1;
1583 NetOpened = 0;
38c2028e 1584
7a8d521f 1585 if (OpenPlugins() == -1)
1586 {
1587 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1588 return false;
1589 }
23ea11bd 1590
7a8d521f 1591 /* Handle multi-disk images (i.e. PBP)
1592 * > Cannot do this until after OpenPlugins() is
1593 * called (since this sets the value of
1594 * cdrIsoMultidiskCount) */
1595 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1596 {
1597 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
38c2028e 1598
7a8d521f 1599 /* Small annoyance: We need to change the label
1600 * of disk 0, so have to clear existing entries */
1601 if (disks[0].fname != NULL)
1602 free(disks[0].fname);
1603 disks[0].fname = NULL;
38c2028e 1604
7a8d521f 1605 if (disks[0].flabel != NULL)
1606 free(disks[0].flabel);
1607 disks[0].flabel = NULL;
1608
1609 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1610 {
1611 char disk_name[PATH_MAX - 16] = { 0 };
1612 char disk_label[PATH_MAX] = { 0 };
1613
1614 disks[i].fname = strdup(info->path);
1615
1616 get_disk_label(disk_name, info->path, sizeof(disk_name));
1617 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1618 disks[i].flabel = strdup(disk_label);
1619
1620 disks[i].internal_index = i;
1621 }
1622
1623 /* This is not an M3U file, so initial disk
1624 * image has not yet been set - attempt to
1625 * do so now */
1626 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1627 {
1628 const char *fname = disks[disk_initial_index].fname;
1629
1630 if (fname && (*fname != '\0'))
1631 if (strcmp(disk_initial_path, fname) == 0)
1632 cd_index = disk_initial_index;
1633 }
1634
1635 if (cd_index > 0)
1636 {
1637 CdromId[0] = '\0';
1638 CdromLabel[0] = '\0';
1639
1640 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1641 disk_current_index = cd_index;
1642 set_cd_image(disks[cd_index].fname);
1643
1644 if (ReloadCdromPlugin() < 0)
1645 {
1646 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1647 return false;
1648 }
1649 if (CDR_open() < 0)
1650 {
1651 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1652 return false;
1653 }
1654 }
1655 }
1656
1657 /* set ports to use "standard controller" initially */
1658 for (i = 0; i < 8; ++i)
1659 in_type[i] = PSE_PAD_TYPE_STANDARD;
1660
1661 plugin_call_rearmed_cbs();
1662 /* dfinput_activate(); */
1663
8cddf575 1664 if (!is_exe && CheckCdrom() == -1)
7a8d521f 1665 {
1666 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1667 return false;
1668 }
1669
1670 SysReset();
1671
8cddf575 1672 if (is_exe)
1673 ret = Load(info->path);
1674 else
1675 ret = LoadCdrom();
1676 if (ret != 0)
7a8d521f 1677 {
8cddf575 1678 log_cb(RETRO_LOG_INFO, "could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
7a8d521f 1679 return false;
1680 }
1681 emu_on_new_cd(0);
1682
1683 set_retro_memmap();
1684 retro_set_audio_buff_status_cb();
1685
1686 return true;
38c2028e 1687}
1688
1689unsigned retro_get_region(void)
1690{
7a8d521f 1691 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 1692}
1693
1694void *retro_get_memory_data(unsigned id)
1695{
7a8d521f 1696 if (id == RETRO_MEMORY_SAVE_RAM)
1697 return Mcd1Data;
1698 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1699 return psxM;
1700 else
1701 return NULL;
38c2028e 1702}
1703
1704size_t retro_get_memory_size(unsigned id)
1705{
7a8d521f 1706 if (id == RETRO_MEMORY_SAVE_RAM)
1707 return MCD_SIZE;
1708 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1709 return 0x200000;
1710 else
1711 return 0;
38c2028e 1712}
1713
1714void retro_reset(void)
1715{
7a8d521f 1716 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1717 rebootemu = 1;
1718 //SysReset();
38c2028e 1719}
1720
1721static const unsigned short retro_psx_map[] = {
7a8d521f 1722 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1723 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1724 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1725 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1726 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1727 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1728 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1729 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1730 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1731 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1732 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1733 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1734 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1735 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1736 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1737 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
38c2028e 1738};
1739#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1740
7a8d521f 1741//Percentage distance of screen to adjust
1742static int GunconAdjustX = 0;
1743static int GunconAdjustY = 0;
1744
1745//Used when out by a percentage
1746static float GunconAdjustRatioX = 1;
1747static float GunconAdjustRatioY = 1;
1748
805fe9bc 1749static void update_variables(bool in_flight)
e268a47e 1750{
e268a47e 1751 struct retro_variable var;
7a8d521f 1752#ifdef GPU_PEOPS
1753 // Always enable GPU_PEOPS_OLD_FRAME_SKIP flag
1754 // (this is set in standalone, with no option
1755 // to change it)
1756 int gpu_peops_fix = GPU_PEOPS_OLD_FRAME_SKIP;
1757#endif
1758 frameskip_type_t prev_frameskip_type;
1759
1760 var.value = NULL;
1761 var.key = "pcsx_rearmed_frameskip_type";
1762
1763 prev_frameskip_type = frameskip_type;
1764 frameskip_type = FRAMESKIP_NONE;
1765 pl_rearmed_cbs.frameskip = 0;
1766
1767 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1768 {
1769 if (strcmp(var.value, "auto") == 0)
1770 frameskip_type = FRAMESKIP_AUTO;
1771 if (strcmp(var.value, "auto_threshold") == 0)
1772 frameskip_type = FRAMESKIP_AUTO_THRESHOLD;
1773 if (strcmp(var.value, "fixed_interval") == 0)
1774 frameskip_type = FRAMESKIP_FIXED_INTERVAL;
1775 }
1776
1777 if (frameskip_type != 0)
1778 pl_rearmed_cbs.frameskip = -1;
7d68d030 1779
e268a47e 1780 var.value = NULL;
7a8d521f 1781 var.key = "pcsx_rearmed_frameskip_threshold";
1782 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1783 {
1784 frameskip_threshold = strtol(var.value, NULL, 10);
1785 }
e268a47e 1786
7a8d521f 1787 var.value = NULL;
1788 var.key = "pcsx_rearmed_frameskip_interval";
1789 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1790 {
1791 frameskip_interval = strtol(var.value, NULL, 10);
1792 }
9f5a28d9 1793
1794 var.value = NULL;
4e477065 1795 var.key = "pcsx_rearmed_region";
7a8d521f 1796 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 1797 {
1798 Config.PsxAuto = 0;
7a8d521f 1799 if (strcmp(var.value, "auto") == 0)
9f5a28d9 1800 Config.PsxAuto = 1;
1801 else if (strcmp(var.value, "NTSC") == 0)
1802 Config.PsxType = 0;
1803 else if (strcmp(var.value, "PAL") == 0)
1804 Config.PsxType = 1;
1805 }
4615b075 1806
7a8d521f 1807 update_multitap();
1808
4615b075 1809 var.value = NULL;
7a8d521f 1810 var.key = "pcsx_rearmed_negcon_deadzone";
1811 negcon_deadzone = 0;
1812 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1813 {
1814 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1815 }
4615b075 1816
7a8d521f 1817 var.value = NULL;
1818 var.key = "pcsx_rearmed_negcon_response";
1819 negcon_linearity = 1;
1820 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4615b075 1821 {
7a8d521f 1822 if (strcmp(var.value, "quadratic") == 0)
1823 {
1824 negcon_linearity = 2;
1825 }
1826 else if (strcmp(var.value, "cubic") == 0)
1827 {
1828 negcon_linearity = 3;
1829 }
1830 }
1831
1832 var.value = NULL;
1833 var.key = "pcsx_rearmed_analog_axis_modifier";
1834 axis_bounds_modifier = true;
1835 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1836 {
1837 if (strcmp(var.value, "square") == 0)
1838 {
1839 axis_bounds_modifier = true;
1840 }
1841 else if (strcmp(var.value, "circle") == 0)
1842 {
1843 axis_bounds_modifier = false;
1844 }
1845 }
1846
1847 var.value = NULL;
1848 var.key = "pcsx_rearmed_vibration";
1849
1850 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1851 {
1852 if (strcmp(var.value, "disabled") == 0)
1853 in_enable_vibration = 0;
1854 else if (strcmp(var.value, "enabled") == 0)
1855 in_enable_vibration = 1;
4615b075 1856 }
1857
4e477065 1858 var.value = NULL;
7a8d521f 1859 var.key = "pcsx_rearmed_dithering";
4e477065 1860
7a8d521f 1861 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4e477065 1862 {
7a8d521f 1863 if (strcmp(var.value, "disabled") == 0)
1864 {
1865 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1866 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1867 pl_rearmed_cbs.gpu_unai.dithering = 0;
1868#ifdef GPU_NEON
1869 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1870#endif
1871 }
1872 else if (strcmp(var.value, "enabled") == 0)
1873 {
1874 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1875 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1876 pl_rearmed_cbs.gpu_unai.dithering = 1;
1877#ifdef GPU_NEON
1878 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1879#endif
1880 }
4e477065 1881 }
1882
7a8d521f 1883#ifdef GPU_NEON
1884 var.value = NULL;
fdcde643 1885 var.key = "pcsx_rearmed_neon_interlace_enable_v2";
9f5a28d9 1886
7a8d521f 1887 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 1888 {
1889 if (strcmp(var.value, "disabled") == 0)
1890 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1891 else if (strcmp(var.value, "enabled") == 0)
1892 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
fdcde643 1893 else // auto
1894 pl_rearmed_cbs.gpu_neon.allow_interlace = 2;
9f5a28d9 1895 }
1896
7d68d030 1897 var.value = NULL;
55e5626b 1898 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 1899
7a8d521f 1900 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
7d68d030 1901 {
1902 if (strcmp(var.value, "disabled") == 0)
1903 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1904 else if (strcmp(var.value, "enabled") == 0)
1905 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1906 }
354329fa 1907
1908 var.value = NULL;
55e5626b 1909 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 1910
7a8d521f 1911 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
354329fa 1912 {
1913 if (strcmp(var.value, "disabled") == 0)
1914 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1915 else if (strcmp(var.value, "enabled") == 0)
1916 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1917 }
094ec204 1918#endif
0e5a7b7d 1919
7a8d521f 1920 var.value = NULL;
0e5a7b7d 1921 var.key = "pcsx_rearmed_duping_enable";
1922
7a8d521f 1923 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
0e5a7b7d 1924 {
7a8d521f 1925 if (strcmp(var.value, "disabled") == 0)
0e5a7b7d 1926 duping_enable = false;
7a8d521f 1927 else if (strcmp(var.value, "enabled") == 0)
0e5a7b7d 1928 duping_enable = true;
1929 }
1930
7a8d521f 1931 var.value = NULL;
1932 var.key = "pcsx_rearmed_display_internal_fps";
1933
1934 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1935 {
1936 if (strcmp(var.value, "disabled") == 0)
1937 display_internal_fps = false;
1938 else if (strcmp(var.value, "enabled") == 0)
1939 display_internal_fps = true;
1940 }
1941
1942 //
1943 // CPU emulation related config
48f615ba 1944#ifndef DRC_DISABLE
1945 var.value = NULL;
4e477065 1946 var.key = "pcsx_rearmed_drc";
48f615ba 1947
7a8d521f 1948 if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
1949 var.value = "enabled";
1950
48f615ba 1951 {
1952 R3000Acpu *prev_cpu = psxCpu;
1953
7a8d521f 1954#ifdef _3DS
1955 if (!__ctr_svchax)
1956 Config.Cpu = CPU_INTERPRETER;
1957 else
1958#endif
1da9b9ae 1959 if (strcmp(var.value, "disabled") == 0)
48f615ba 1960 Config.Cpu = CPU_INTERPRETER;
1961 else if (strcmp(var.value, "enabled") == 0)
1962 Config.Cpu = CPU_DYNAREC;
1963
1964 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
7a8d521f 1965 if (psxCpu != prev_cpu)
1966 {
980f7a58 1967 prev_cpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
48f615ba 1968 prev_cpu->Shutdown();
1969 psxCpu->Init();
980f7a58 1970 psxCpu->Reset();
1971 psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
48f615ba 1972 }
1973 }
7a8d521f 1974#endif /* !DRC_DISABLE */
1975
1976 var.value = NULL;
1977 var.key = "pcsx_rearmed_psxclock";
1978 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1979 {
1980 int psxclock = atoi(var.value);
1981 Config.cycle_multiplier = 10000 / psxclock;
1982 }
1983
1984#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
1985 var.value = NULL;
1986 var.key = "pcsx_rearmed_nosmccheck";
1987 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1988 {
1989 if (strcmp(var.value, "enabled") == 0)
1990 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
1991 else
1992 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
1993 }
1994
1995 var.value = NULL;
1996 var.key = "pcsx_rearmed_gteregsunneeded";
1997 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1998 {
1999 if (strcmp(var.value, "enabled") == 0)
2000 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2001 else
2002 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2003 }
2004
2005 var.value = NULL;
2006 var.key = "pcsx_rearmed_nogteflags";
2007 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2008 {
2009 if (strcmp(var.value, "enabled") == 0)
2010 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2011 else
2012 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2013 }
2014
2015 var.value = NULL;
2016 var.key = "pcsx_rearmed_nocompathacks";
2017 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2018 {
2019 if (strcmp(var.value, "enabled") == 0)
2020 new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
2021 else
2022 new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
2023 }
2024#endif /* !DRC_DISABLE && !LIGHTREC */
2025
2026 var.value = NULL;
2027 var.key = "pcsx_rearmed_nostalls";
2028 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2029 {
2030 if (strcmp(var.value, "enabled") == 0)
2031 Config.DisableStalls = 1;
2032 else
2033 Config.DisableStalls = 0;
2034 }
2035
2036 var.value = NULL;
2037 var.key = "pcsx_rearmed_icache_emulation";
2038 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2039 {
2040 if (strcmp(var.value, "disabled") == 0)
2041 Config.icache_emulation = 0;
2042 else if (strcmp(var.value, "enabled") == 0)
2043 Config.icache_emulation = 1;
2044 }
2045
bc7c5acb 2046 var.value = NULL;
2047 var.key = "pcsx_rearmed_exception_emulation";
2048 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2049 {
2050 if (strcmp(var.value, "enabled") == 0)
2051 Config.PreciseExceptions = 1;
2052 else
2053 Config.PreciseExceptions = 0;
2054 }
2055
32631e6a 2056 psxCpu->ApplyConfig();
805fe9bc 2057
7a8d521f 2058 // end of CPU emu config
2059 //
2060
2061 var.value = NULL;
01394a7f 2062 var.key = "pcsx_rearmed_spu_reverb";
2063
7a8d521f 2064 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2065 {
7a8d521f 2066 if (strcmp(var.value, "disabled") == 0)
01394a7f 2067 spu_config.iUseReverb = false;
7a8d521f 2068 else if (strcmp(var.value, "enabled") == 0)
01394a7f 2069 spu_config.iUseReverb = true;
2070 }
2071
7a8d521f 2072 var.value = NULL;
01394a7f 2073 var.key = "pcsx_rearmed_spu_interpolation";
2074
7a8d521f 2075 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2076 {
2077 if (strcmp(var.value, "simple") == 0)
2078 spu_config.iUseInterpolation = 1;
2079 else if (strcmp(var.value, "gaussian") == 0)
2080 spu_config.iUseInterpolation = 2;
2081 else if (strcmp(var.value, "cubic") == 0)
2082 spu_config.iUseInterpolation = 3;
2083 else if (strcmp(var.value, "off") == 0)
2084 spu_config.iUseInterpolation = 0;
2085 }
2086
16809ab9 2087 var.value = NULL;
2088 var.key = "pcsx_rearmed_spu_thread";
2089 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2090 {
2091 if (strcmp(var.value, "enabled") == 0)
2092 spu_config.iUseThread = 1;
2093 else
2094 spu_config.iUseThread = 0;
2095 }
2096
9165d434 2097 if (P_HAVE_PTHREAD) {
f28d12a7
PC
2098 var.value = NULL;
2099 var.key = "pcsx_rearmed_async_cd";
2100 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2101 {
2102 if (strcmp(var.value, "async") == 0)
2103 {
2104 Config.AsyncCD = 1;
2105 Config.CHD_Precache = 0;
2106 }
2107 else if (strcmp(var.value, "sync") == 0)
2108 {
2109 Config.AsyncCD = 0;
2110 Config.CHD_Precache = 0;
2111 }
2112 else if (strcmp(var.value, "precache") == 0)
2113 {
2114 Config.AsyncCD = 0;
2115 Config.CHD_Precache = 1;
2116 }
2117 }
7a8d521f 2118 }
7a8d521f 2119
2120 var.value = NULL;
2121 var.key = "pcsx_rearmed_noxadecoding";
2122 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2123 {
2124 if (strcmp(var.value, "disabled") == 0)
2125 Config.Xa = 1;
2126 else
2127 Config.Xa = 0;
2128 }
2129
2130 var.value = NULL;
2131 var.key = "pcsx_rearmed_nocdaudio";
2132 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2133 {
2134 if (strcmp(var.value, "disabled") == 0)
2135 Config.Cdda = 1;
2136 else
2137 Config.Cdda = 0;
2138 }
2139
8c84ba5f 2140 var.value = NULL;
2141 var.key = "pcsx_rearmed_gpu_slow_llists";
2142 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2143 {
2144 if (strcmp(var.value, "disabled") == 0)
308c6e67 2145 Config.GpuListWalking = 0;
8c84ba5f 2146 else if (strcmp(var.value, "enabled") == 0)
308c6e67 2147 Config.GpuListWalking = 1;
8c84ba5f 2148 else // auto
308c6e67 2149 Config.GpuListWalking = -1;
2150 }
2151
2152 var.value = NULL;
2153 var.key = "pcsx_rearmed_screen_centering";
2154 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2155 {
2156 if (strcmp(var.value, "game") == 0)
2157 pl_rearmed_cbs.screen_centering_type = 1;
2158 else if (strcmp(var.value, "manual") == 0)
2159 pl_rearmed_cbs.screen_centering_type = 2;
2160 else // auto
2161 pl_rearmed_cbs.screen_centering_type = 0;
2162 }
2163
2164 var.value = NULL;
2165 var.key = "pcsx_rearmed_screen_centering_x";
2166 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2167 {
2168 pl_rearmed_cbs.screen_centering_x = atoi(var.value);
2169 }
2170
2171 var.value = NULL;
2172 var.key = "pcsx_rearmed_screen_centering_y";
2173 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2174 {
2175 pl_rearmed_cbs.screen_centering_y = atoi(var.value);
8c84ba5f 2176 }
2177
7a8d521f 2178#ifdef THREAD_RENDERING
2179 var.key = "pcsx_rearmed_gpu_thread_rendering";
2180 var.value = NULL;
2181
2182 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2183 {
2184 if (strcmp(var.value, "disabled") == 0)
2185 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
2186 else if (strcmp(var.value, "sync") == 0)
2187 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
2188 else if (strcmp(var.value, "async") == 0)
2189 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
2190 }
2191#endif
2192
2193#ifdef GPU_PEOPS
2194 var.value = NULL;
2195 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
2196
2197 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2198 {
2199 if (strcmp(var.value, "enabled") == 0)
2200 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
2201 }
2202
2203 var.value = NULL;
2204 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
2205
2206 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2207 {
2208 if (strcmp(var.value, "enabled") == 0)
2209 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
2210 }
2211
2212 var.value = NULL;
2213 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
2214
2215 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2216 {
2217 if (strcmp(var.value, "enabled") == 0)
2218 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
2219 }
2220
2221 var.value = NULL;
2222 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
2223
2224 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2225 {
2226 if (strcmp(var.value, "enabled") == 0)
2227 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
2228 }
2229
2230 var.value = NULL;
2231 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
2232
2233 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2234 {
2235 if (strcmp(var.value, "enabled") == 0)
2236 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
2237 }
2238
2239 var.value = NULL;
2240 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
2241
2242 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2243 {
2244 if (strcmp(var.value, "enabled") == 0)
2245 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
2246 }
2247
2248 var.value = NULL;
2249 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
2250
2251 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2252 {
2253 if (strcmp(var.value, "enabled") == 0)
2254 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
2255 }
2256
2257 var.value = NULL;
2258 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
2259
2260 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2261 {
2262 if (strcmp(var.value, "enabled") == 0)
2263 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
2264 }
2265
2266 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
2267 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
2268#endif
2269
2270#ifdef GPU_UNAI
2271 /* Note: This used to be an option, but it only works
2272 * (correctly) when running high resolution games
2273 * (480i, 512i) and has been obsoleted by
2274 * pcsx_rearmed_gpu_unai_scale_hires */
2275 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2276 /* Note: This used to be an option, but it has no
2277 * discernable effect and has been obsoleted by
2278 * pcsx_rearmed_gpu_unai_scale_hires */
2279 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2280
2281 var.key = "pcsx_rearmed_gpu_unai_lighting";
2282 var.value = NULL;
2283
2284 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2285 {
2286 if (strcmp(var.value, "disabled") == 0)
2287 pl_rearmed_cbs.gpu_unai.lighting = 0;
2288 else if (strcmp(var.value, "enabled") == 0)
2289 pl_rearmed_cbs.gpu_unai.lighting = 1;
2290 }
2291
2292 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2293 var.value = NULL;
2294
2295 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2296 {
2297 if (strcmp(var.value, "disabled") == 0)
2298 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2299 else if (strcmp(var.value, "enabled") == 0)
2300 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2301 }
2302
2303 var.key = "pcsx_rearmed_gpu_unai_blending";
2304 var.value = NULL;
2305
2306 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2307 {
2308 if (strcmp(var.value, "disabled") == 0)
2309 pl_rearmed_cbs.gpu_unai.blending = 0;
2310 else if (strcmp(var.value, "enabled") == 0)
2311 pl_rearmed_cbs.gpu_unai.blending = 1;
2312 }
2313
2314 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2315 var.value = NULL;
2316
2317 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2318 {
2319 if (strcmp(var.value, "disabled") == 0)
2320 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2321 else if (strcmp(var.value, "enabled") == 0)
2322 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2323 }
2324#endif // GPU_UNAI
2325
2326 //This adjustment process gives the user the ability to manually align the mouse up better
2327 //with where the shots are in the emulator.
2328
2329 var.value = NULL;
2330 var.key = "pcsx_rearmed_gunconadjustx";
2331
2332 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2333 {
2334 GunconAdjustX = atoi(var.value);
2335 }
2336
2337 var.value = NULL;
2338 var.key = "pcsx_rearmed_gunconadjusty";
2339
2340 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2341 {
2342 GunconAdjustY = atoi(var.value);
2343 }
2344
2345 var.value = NULL;
2346 var.key = "pcsx_rearmed_gunconadjustratiox";
2347
2348 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2349 {
2350 GunconAdjustRatioX = atof(var.value);
2351 }
2352
2353 var.value = NULL;
2354 var.key = "pcsx_rearmed_gunconadjustratioy";
2355
2356 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2357 {
2358 GunconAdjustRatioY = atof(var.value);
2359 }
2360
2361 var.value = NULL;
2362 var.key = "pcsx_rearmed_input_sensitivity";
2363 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2364 {
2365 mouse_sensitivity = atof(var.value);
2366 }
2367
2368 if (in_flight)
2369 {
32ab9e53
TJ
2370 // inform core things about possible config changes
2371 plugin_call_rearmed_cbs();
805fe9bc 2372
7a8d521f 2373 if (GPU_open != NULL && GPU_close != NULL)
2374 {
32ab9e53
TJ
2375 GPU_close();
2376 GPU_open(&gpuDisp, "PCSX", NULL);
2377 }
805fe9bc 2378
7a8d521f 2379 /* Reinitialise frameskipping, if required */
2380 if (((frameskip_type != prev_frameskip_type)))
2381 retro_set_audio_buff_status_cb();
2382
2383 /* dfinput_activate(); */
32ab9e53 2384 }
7a8d521f 2385 else
2386 {
2387 //not yet running
2388
2389 //bootlogo display hack
2390 if (found_bios)
2391 {
2392 var.value = NULL;
2393 var.key = "pcsx_rearmed_show_bios_bootlogo";
2394 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2395 {
2396 Config.SlowBoot = 0;
2397 rebootemu = 0;
2398 if (strcmp(var.value, "enabled") == 0)
2399 {
2400 Config.SlowBoot = 1;
2401 rebootemu = 1;
2402 }
2403 }
2404 }
2405 }
2406
2407 update_option_visibility();
e268a47e 2408}
2409
7a8d521f 2410// Taken from beetle-psx-libretro
2411static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
38c2028e 2412{
7a8d521f 2413 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2414 // feature (or pre-date it) so we need to handle this in a graceful way.
2415
2416 // First, try and get an analog value using the new libretro API constant
2417 uint16_t button = input_state_cb(player_index,
2418 RETRO_DEVICE_ANALOG,
2419 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2420 id);
2421 button = MIN(button / 128, 255);
38c2028e 2422
7a8d521f 2423 if (button == 0)
2424 {
2425 // If we got exactly zero, we're either not pressing the button, or the front-end
2426 // is not reporting analog values. We need to do a second check using the classic
2427 // digital API method, to at least get some response - better than nothing.
e268a47e 2428
7a8d521f 2429 // NOTE: If we're really just not holding the button, we're still going to get zero.
e268a47e 2430
7a8d521f 2431 button = (ret & (1 << id)) ? 255 : 0;
2432 }
38c2028e 2433
7a8d521f 2434 return button;
2435}
4615b075 2436
7a8d521f 2437unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2438{
2439 float modifier_axis_range = 0;
2440
2441 if (is_square)
2442 {
2443 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2444 if (modifier_axis_range < 0)
2445 {
2446 modifier_axis_range = 0;
2447 }
2448 else if (modifier_axis_range > 255)
2449 {
2450 modifier_axis_range = 255;
2451 }
2452 }
2453 else
2454 {
2455 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2456 }
38c2028e 2457
7a8d521f 2458 return modifier_axis_range;
38c2028e 2459}
2460
7a8d521f 2461static void update_input_guncon(int port, int ret)
74ebc05b 2462{
7a8d521f 2463 //ToDo:
2464 //Core option for cursors for both players
2465 //Separate pointer and lightgun control types
2466
2467 //Mouse range is -32767 -> 32767
2468 //1% is about 655
2469 //Use the left analog stick field to store the absolute coordinates
2db412ad 2470
2471 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
2472 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
2473
2474 //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
2475 //Offscreen value is chosen to be well out of range of any possible scaling done via core options
7a8d521f 2476 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
2477 {
2db412ad 2478 in_analog_left[port][0] = (65536 - 512) * 64;
2479 in_analog_left[port][1] = (65536 - 512) * 64;
7a8d521f 2480 }
2481 else
2482 {
7a8d521f 2483 in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
2484 in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
2485 }
2486
2487 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
74ebc05b 2488
7a8d521f 2489 // Trigger
2490 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
2491 in_keystate[port] |= (1 << DKEY_CIRCLE);
74ebc05b 2492
7a8d521f 2493 // A
2494 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
2495 in_keystate[port] |= (1 << DKEY_START);
74ebc05b 2496
7a8d521f 2497 // B
2498 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B))
2499 in_keystate[port] |= (1 << DKEY_CROSS);
2500
2501}
74ebc05b 2502
7a8d521f 2503static void update_input_negcon(int port, int ret)
2504{
2505 int lsx;
2506 int rsy;
2507 int negcon_i_rs;
2508 int negcon_ii_rs;
2509 float negcon_twist_amplitude;
2510
2511 // Query digital inputs
2512 //
2513 // > Pad-Up
2514 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2515 in_keystate[port] |= (1 << DKEY_UP);
2516 // > Pad-Right
2517 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2518 in_keystate[port] |= (1 << DKEY_RIGHT);
2519 // > Pad-Down
2520 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2521 in_keystate[port] |= (1 << DKEY_DOWN);
2522 // > Pad-Left
2523 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2524 in_keystate[port] |= (1 << DKEY_LEFT);
2525 // > Start
2526 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2527 in_keystate[port] |= (1 << DKEY_START);
2528 // > neGcon A
2529 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2530 in_keystate[port] |= (1 << DKEY_CIRCLE);
2531 // > neGcon B
2532 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2533 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2534 // > neGcon R shoulder (digital)
2535 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2536 in_keystate[port] |= (1 << DKEY_R1);
2537 // Query analog inputs
2538 //
2539 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2540 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2541 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2542 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2543 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2544 // So we just have to map in_analog_left/right to more
2545 // appropriate inputs...
2546 //
2547 // > NeGcon twist
2548 // >> Get raw analog stick value and account for deadzone
2549 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2550 if (lsx > negcon_deadzone)
2551 lsx = lsx - negcon_deadzone;
2552 else if (lsx < -negcon_deadzone)
2553 lsx = lsx + negcon_deadzone;
2554 else
2555 lsx = 0;
2556 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2557 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2558 if (negcon_linearity == 2)
2559 {
2560 if (negcon_twist_amplitude < 0.0)
2561 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2562 else
2563 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2564 }
2565 else if (negcon_linearity == 3)
2566 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2567 // >> Convert to final 'in_analog' integer value [0,255]
2568 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2569 // > NeGcon I + II
2570 // >> Handle right analog stick vertical axis mapping...
2571 // - Up (-Y) == accelerate == neGcon I
2572 // - Down (+Y) == brake == neGcon II
2573 negcon_i_rs = 0;
2574 negcon_ii_rs = 0;
2575 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2576 if (rsy >= 0)
2577 {
2578 // Account for deadzone
2579 // (Note: have never encountered a gamepad with significant differences
2580 // in deadzone between left/right analog sticks, so use the regular 'twist'
2581 // deadzone here)
2582 if (rsy > negcon_deadzone)
2583 rsy = rsy - negcon_deadzone;
2584 else
2585 rsy = 0;
2586 // Convert to 'in_analog' integer value [0,255]
2587 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2588 }
2589 else
2590 {
2591 if (rsy < -negcon_deadzone)
2592 rsy = -1 * (rsy + negcon_deadzone);
2593 else
2594 rsy = 0;
2595 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2596 }
2597 // >> NeGcon I
2598 in_analog_right[port][1] = MAX(
2599 MAX(
2600 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2601 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2602 negcon_i_rs);
2603 // >> NeGcon II
2604 in_analog_left[port][0] = MAX(
2605 MAX(
2606 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2607 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2608 negcon_ii_rs);
2609 // > NeGcon L
2610 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2611}
2612
2613static void update_input_mouse(int port, int ret)
2614{
2615 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2616 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2617
2618 int x = (int)roundf(raw_x * mouse_sensitivity);
2619 int y = (int)roundf(raw_y * mouse_sensitivity);
2620
2621 if (x > 127) x = 127;
2622 else if (x < -128) x = -128;
2623
2624 if (y > 127) y = 127;
2625 else if (y < -128) y = -128;
2626
2627 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2628 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2629
2630 /* left mouse button state */
2631 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2632 in_keystate[port] |= 1 << 11;
2633
2634 /* right mouse button state */
2635 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2636 in_keystate[port] |= 1 << 10;
74ebc05b 2637}
2638
7a8d521f 2639static void update_input(void)
2640{
2641 // reset all keystate, query libretro for keystate
2642 int i;
2643 int j;
2644
2645 for (i = 0; i < PORTS_NUMBER; i++)
2646 {
2647 int16_t ret = 0;
2648 int type = in_type[i];
2649
2650 in_keystate[i] = 0;
2651
2652 if (type == PSE_PAD_TYPE_NONE)
2653 continue;
2654
2655 if (libretro_supports_bitmasks)
2656 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2657 else
2658 {
2659 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2660 {
2661 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2662 ret |= (1 << j);
2663 }
2664 }
2665
2666 switch (type)
2667 {
2668 case PSE_PAD_TYPE_GUNCON:
2669 update_input_guncon(i, ret);
2670 break;
2671 case PSE_PAD_TYPE_NEGCON:
2672 update_input_negcon(i, ret);
2673 break;
2674 case PSE_PAD_TYPE_MOUSE:
2675 update_input_mouse(i, ret);
2676 break;
2677 default:
2678 // Query digital inputs
2679 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2680 if (ret & (1 << j))
2681 in_keystate[i] |= retro_psx_map[j];
2682
2683 // Query analog inputs
2684 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2685 {
2686 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);
2687 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);
2688 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);
2689 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);
2690 }
2691 }
2692 }
2693}
2694
2695static void print_internal_fps(void)
2696{
2697 if (display_internal_fps)
2698 {
2699 frame_count++;
2700
2701 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2702 {
2703 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2704 char str[64];
2705 const char *strc = (const char *)str;
2706
2707 str[0] = '\0';
2708
2709 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2710
2711 pl_rearmed_cbs.flip_cnt = 0;
2712
2713 if (msg_interface_version >= 1)
2714 {
2715 struct retro_message_ext msg = {
2716 strc,
2717 3000,
2718 1,
2719 RETRO_LOG_INFO,
2720 RETRO_MESSAGE_TARGET_OSD,
2721 RETRO_MESSAGE_TYPE_STATUS,
2722 -1
2723 };
2724 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2725 }
2726 else
2727 {
2728 struct retro_message msg = {
2729 strc,
2730 180
2731 };
2732 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2733 }
2734 }
2735 }
2736 else
2737 frame_count = 0;
2738}
2739
2740void retro_run(void)
2741{
2742 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2743 if (rebootemu != 0)
2744 {
2745 rebootemu = 0;
2746 SysReset();
d512faf7 2747 if (Config.HLE)
2748 LoadCdrom();
7a8d521f 2749 }
2750
2751 print_internal_fps();
2752
2753 /* Check whether current frame should
2754 * be skipped */
2755 pl_rearmed_cbs.fskip_force = 0;
2756 pl_rearmed_cbs.fskip_dirty = 0;
2757
2758 if (frameskip_type != FRAMESKIP_NONE)
2759 {
2760 bool skip_frame = false;
2761
2762 switch (frameskip_type)
2763 {
2764 case FRAMESKIP_AUTO:
2765 skip_frame = retro_audio_buff_active && retro_audio_buff_underrun;
2766 break;
2767 case FRAMESKIP_AUTO_THRESHOLD:
2768 skip_frame = retro_audio_buff_active && (retro_audio_buff_occupancy < frameskip_threshold);
2769 break;
2770 case FRAMESKIP_FIXED_INTERVAL:
2771 skip_frame = true;
2772 break;
2773 default:
2774 break;
2775 }
2776
2777 if (skip_frame && frameskip_counter < frameskip_interval)
2778 pl_rearmed_cbs.fskip_force = 1;
2779 }
2780
2781 /* If frameskip/timing settings have changed,
2782 * update frontend audio latency
2783 * > Can do this before or after the frameskip
2784 * check, but doing it after means we at least
2785 * retain the current frame's audio output */
2786 if (update_audio_latency)
2787 {
2788 environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
2789 &retro_audio_latency);
2790 update_audio_latency = false;
2791 }
2792
2793 input_poll_cb();
2794
2795 update_input();
2796
2797 bool updated = false;
2798 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2799 update_variables(true);
2800
2801 stop = 0;
2802 psxCpu->Execute();
2803
2804 if (pl_rearmed_cbs.fskip_dirty == 1) {
2805 if (frameskip_counter < frameskip_interval)
2806 frameskip_counter++;
2807 else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
2808 frameskip_counter = 0;
2809 }
2810
2811 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2812 vout_width, vout_height, vout_width * 2);
2813 vout_fb_dirty = 0;
2814
2815 set_vout_fb();
2816}
2817
4a1d78d4 2818static bool try_use_bios(const char *path, bool preferred_only)
7a8d521f 2819{
2820 long size;
2821 const char *name;
2822 FILE *fp = fopen(path, "rb");
2823 if (fp == NULL)
2824 return false;
2825
2826 fseek(fp, 0, SEEK_END);
2827 size = ftell(fp);
2828 fclose(fp);
2829
7a8d521f 2830 name = strrchr(path, SLASH);
2831 if (name++ == NULL)
2832 name = path;
4a1d78d4 2833
2834 if (preferred_only && size != 512 * 1024)
2835 return false;
2836 if (size != 512 * 1024 && size != 4 * 1024 * 1024)
2837 return false;
2838 if (strstr(name, "unirom"))
2839 return false;
2840 // jp bios have an addidional region check
2841 if (preferred_only && (strcasestr(name, "00.") || strcasestr(name, "j.bin")))
2842 return false;
2843
7a8d521f 2844 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2845 return true;
2846}
2847
2848#ifndef VITA
74ebc05b 2849#include <sys/types.h>
2850#include <dirent.h>
2851
2852static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2853{
4a1d78d4 2854 static const char *substr_pref[] = { "scph", "ps" };
2855 static const char *substr_alt[] = { "scph", "ps", "openbios" };
7a8d521f 2856 DIR *dir;
2857 struct dirent *ent;
2858 bool ret = false;
378428ac 2859 size_t i;
74ebc05b 2860
7a8d521f 2861 dir = opendir(dirpath);
2862 if (dir == NULL)
2863 return false;
74ebc05b 2864
4a1d78d4 2865 // try to find a "better" bios
2866 while ((ent = readdir(dir)))
7a8d521f 2867 {
4a1d78d4 2868 for (i = 0; i < sizeof(substr_pref) / sizeof(substr_pref[0]); i++)
378428ac 2869 {
4a1d78d4 2870 const char *substr = substr_pref[i];
2871 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
378428ac 2872 continue;
4a1d78d4 2873 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2874 ret = try_use_bios(path, true);
2875 if (ret)
2876 goto finish;
2877 }
2878 }
378428ac 2879
4a1d78d4 2880 // another pass to look for anything fitting, even ps2 bios
2881 rewinddir(dir);
2882 while ((ent = readdir(dir)))
2883 {
2884 for (i = 0; i < sizeof(substr_alt) / sizeof(substr_alt[0]); i++)
2885 {
2886 const char *substr = substr_alt[i];
2887 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
2888 continue;
378428ac 2889 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
4a1d78d4 2890 ret = try_use_bios(path, false);
378428ac 2891 if (ret)
4a1d78d4 2892 goto finish;
378428ac 2893 }
7a8d521f 2894 }
4a1d78d4 2895
2896
2897finish:
7a8d521f 2898 closedir(dir);
2899 return ret;
74ebc05b 2900}
2901#else
2902#define find_any_bios(...) false
2903#endif
2904
11813b9d 2905static void check_system_specs(void)
2906{
2907 unsigned level = 6;
2908 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2909}
2910
7a8d521f 2911static int init_memcards(void)
2912{
2913 int ret = 0;
2914 const char *dir;
2915 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
2916 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2917
2918 // Memcard2 will be handled and is re-enabled if needed using core
2919 // operations.
2920 // Memcard1 is handled by libretro, doing this will set core to
2921 // skip file io operations for memcard1 like SaveMcd
2922 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2923 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2924 init_memcard(Mcd1Data);
2925 // Memcard 2 is managed by the emulator on the filesystem,
2926 // There is no need to initialize Mcd2Data like Mcd1Data.
2927
2928 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2929 {
2930 SysPrintf("Memcard 2: %s\n", var.value);
2931 if (memcmp(var.value, "enabled", 7) == 0)
2932 {
2933 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
2934 {
2935 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
2936 {
2937 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2938 ret = -1;
2939 }
2940 else
2941 {
2942 McdDisable[1] = 0;
2943 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2944 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2945 }
2946 }
2947 else
2948 {
2949 SysPrintf("Could not get save directory! Could not create memcard 2.");
2950 ret = -1;
2951 }
2952 }
2953 }
2954 return ret;
2955}
2956
2957static void loadPSXBios(void)
2958{
2959 const char *dir;
2960 char path[PATH_MAX];
2961 unsigned useHLE = 0;
2962
2963 const char *bios[] = {
2964 "PSXONPSP660", "psxonpsp660",
2965 "SCPH101", "scph101",
2966 "SCPH5501", "scph5501",
2967 "SCPH7001", "scph7001",
2968 "SCPH1001", "scph1001"
2969 };
2970
2971 struct retro_variable var = {
2972 .key = "pcsx_rearmed_bios",
2973 .value = NULL
2974 };
2975
2976 found_bios = 0;
2977
2978 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2979 {
2980 if (!strcmp(var.value, "HLE"))
2981 useHLE = 1;
2982 }
2983
2984 if (!useHLE)
2985 {
2986 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2987 {
2988 unsigned i;
2989 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2990
2991 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
2992 {
2993 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
4a1d78d4 2994 found_bios = try_use_bios(path, true);
7a8d521f 2995 if (found_bios)
2996 break;
2997 }
2998
2999 if (!found_bios)
3000 found_bios = find_any_bios(dir, path, sizeof(path));
3001 }
3002 if (found_bios)
3003 {
3004 SysPrintf("found BIOS file: %s\n", Config.Bios);
3005 }
3006 }
3007
3008 if (!found_bios)
3009 {
3010 const char *msg_str;
3011 if (useHLE)
3012 {
3013 msg_str = "BIOS set to \'hle\' in core options - real BIOS will be ignored";
3014 SysPrintf("Using HLE BIOS.\n");
3015 }
3016 else
3017 {
3018 msg_str = "No PlayStation BIOS file found - add for better compatibility";
3019 SysPrintf("No BIOS files found.\n");
3020 }
3021
3022 if (msg_interface_version >= 1)
3023 {
3024 struct retro_message_ext msg = {
3025 msg_str,
3026 3000,
3027 3,
3028 RETRO_LOG_WARN,
3029 RETRO_MESSAGE_TARGET_ALL,
3030 RETRO_MESSAGE_TYPE_NOTIFICATION,
3031 -1
3032 };
3033 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
3034 }
3035 else
3036 {
3037 struct retro_message msg = {
3038 msg_str,
3039 180
3040 };
3041 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
3042 }
3043 }
3044}
3045
38c2028e 3046void retro_init(void)
3047{
7a8d521f 3048 unsigned dci_version = 0;
3049 struct retro_rumble_interface rumble;
3050 int ret;
38c2028e 3051
7a8d521f 3052 msg_interface_version = 0;
3053 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
3054
3055#if defined(__MACH__) && !defined(TVOS)
3056 // magic sauce to make the dynarec work on iOS
3057 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
d148d265 3058#endif
3059
7a8d521f 3060#ifdef _3DS
3061 psxMapHook = pl_3ds_mmap;
3062 psxUnmapHook = pl_3ds_munmap;
3063#endif
3064#ifdef VITA
3065 if (init_vita_mmap() < 0)
3066 abort();
3067 psxMapHook = pl_vita_mmap;
3068 psxUnmapHook = pl_vita_munmap;
3069#endif
3070 ret = emu_core_preinit();
3071#ifdef _3DS
3072 /* emu_core_preinit sets the cpu to dynarec */
3073 if (!__ctr_svchax)
3074 Config.Cpu = CPU_INTERPRETER;
3075#endif
3076 ret |= init_memcards();
38c2028e 3077
7a8d521f 3078 ret |= emu_core_init();
3079 if (ret != 0)
3080 {
3081 SysPrintf("PCSX init failed.\n");
3082 exit(1);
3083 }
3084
3085#ifdef _3DS
3086 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
9165d434 3087#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
7a8d521f 3088 if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
3089 vout_buf = (void *) 0;
29122437 3090#else
7a8d521f 3091 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437 3092#endif
38c2028e 3093
7a8d521f 3094 vout_buf_ptr = vout_buf;
3095
3096 loadPSXBios();
3097
3098 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
3099
3100 disk_initial_index = 0;
3101 disk_initial_path[0] = '\0';
3102 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
3103 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
3104 else
3105 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
3106
3107 rumble_cb = NULL;
3108 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
3109 rumble_cb = rumble.set_rumble_state;
3110
3111 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
3112 * we have to do this because cache misses and some IO penalties
3113 * are not emulated. Warning: changing this may break compatibility. */
3114 Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
3115#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
3116 Config.cycle_multiplier = 200;
5ca2ec64 3117#endif
7a8d521f 3118 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
3119 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
3120 spu_config.iUseFixedUpdates = 1;
5ca2ec64 3121
7a8d521f 3122 SaveFuncs.open = save_open;
3123 SaveFuncs.read = save_read;
3124 SaveFuncs.write = save_write;
3125 SaveFuncs.seek = save_seek;
3126 SaveFuncs.close = save_close;
6e921e1d 3127
7a8d521f 3128 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
3129 libretro_supports_bitmasks = true;
e268a47e 3130
7a8d521f 3131 check_system_specs();
38c2028e 3132}
3133
3134void retro_deinit(void)
3135{
7a8d521f 3136 if (plugins_opened)
3137 {
3138 ClosePlugins();
3139 plugins_opened = 0;
3140 }
3141 SysClose();
3142#ifdef _3DS
3143 linearFree(vout_buf);
3144#else
3145 free(vout_buf);
3146#endif
3147 vout_buf = NULL;
3148
3149#ifdef VITA
3150 deinit_vita_mmap();
3151#endif
3152 libretro_supports_bitmasks = false;
3153 libretro_supports_option_categories = false;
3154
3155 show_input_settings = true;
3156#ifdef GPU_PEOPS
3157 show_advanced_gpu_peops_settings = true;
3158#endif
3159#ifdef GPU_UNAI
3160 show_advanced_gpu_unai_settings = true;
3161#endif
3162
3163 /* Have to reset disks struct, otherwise
3164 * fnames/flabels will leak memory */
3165 disk_init();
3166 frameskip_type = FRAMESKIP_NONE;
3167 frameskip_threshold = 0;
3168 frameskip_interval = 0;
3169 frameskip_counter = 0;
3170 retro_audio_buff_active = false;
3171 retro_audio_buff_occupancy = 0;
3172 retro_audio_buff_underrun = false;
3173 retro_audio_latency = 0;
3174 update_audio_latency = false;
3175}
3176
3177#ifdef VITA
3178#include <psp2/kernel/threadmgr.h>
3179int usleep(unsigned long us)
3180{
3181 sceKernelDelayThread(us);
3182}
3183#endif
3184
3185void SysPrintf(const char *fmt, ...)
3186{
3187 va_list list;
3188 char msg[512];
3189
3190 va_start(list, fmt);
3191 vsprintf(msg, fmt, list);
3192 va_end(list);
3193
3194 if (log_cb)
3195 log_cb(RETRO_LOG_INFO, "%s", msg);
3196}
3197
3198/* Prints debug-level logs */
3199void SysDLog(const char *fmt, ...)
3200{
3201 va_list list;
3202 char msg[512];
3203
3204 va_start(list, fmt);
3205 vsprintf(msg, fmt, list);
3206 va_end(list);
3207
3208 if (log_cb)
3209 log_cb(RETRO_LOG_DEBUG, "%s", msg);
38c2028e 3210}
378428ac 3211
3212// vim:sw=3:ts=3:expandtab