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Merge pull request #472 from negativeExponent/input_descriptors
[pcsx_rearmed.git] / frontend / libretro.c
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1/*
2 * (C) notaz, 2012,2014,2015
3 *
4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
8#define _GNU_SOURCE 1 // strcasestr
9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
12#include <strings.h>
13#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
17
18#ifdef SWITCH
19#include <switch.h>
20#endif
21
22#include "../libpcsxcore/misc.h"
23#include "../libpcsxcore/psxcounters.h"
24#include "../libpcsxcore/psxmem_map.h"
25#include "../libpcsxcore/new_dynarec/new_dynarec.h"
26#include "../libpcsxcore/cdrom.h"
27#include "../libpcsxcore/cdriso.h"
28#include "../libpcsxcore/cheat.h"
29#include "../libpcsxcore/r3000a.h"
30#include "../plugins/dfsound/out.h"
31#include "../plugins/dfsound/spu_config.h"
32#include "../plugins/dfinput/externals.h"
33#include "cspace.h"
34#include "main.h"
35#include "menu.h"
36#include "plugin.h"
37#include "plugin_lib.h"
38#include "arm_features.h"
39#include "revision.h"
40
41#include <libretro.h>
42#include "libretro_core_options.h"
43
44#ifdef _3DS
45#include "3ds/3ds_utils.h"
46#endif
47
48#define PORTS_NUMBER 8
49
50#ifndef MIN
51#define MIN(a, b) ((a) < (b) ? (a) : (b))
52#endif
53
54#ifndef MAX
55#define MAX(a, b) ((a) > (b) ? (a) : (b))
56#endif
57
58#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
59
60#define INTERNAL_FPS_SAMPLE_PERIOD 64
61
62//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
63static int rebootemu = 0;
64
65static retro_video_refresh_t video_cb;
66static retro_input_poll_t input_poll_cb;
67static retro_input_state_t input_state_cb;
68static retro_environment_t environ_cb;
69static retro_audio_sample_batch_t audio_batch_cb;
70static retro_set_rumble_state_t rumble_cb;
71static struct retro_log_callback logging;
72static retro_log_printf_t log_cb;
73
74static unsigned msg_interface_version = 0;
75
76static void *vout_buf;
77static void *vout_buf_ptr;
78static int vout_width, vout_height;
79static int vout_doffs_old, vout_fb_dirty;
80static bool vout_can_dupe;
81static bool duping_enable;
82static bool found_bios;
83static bool display_internal_fps = false;
84static unsigned frame_count = 0;
85static bool libretro_supports_bitmasks = false;
86#ifdef GPU_PEOPS
87static int show_advanced_gpu_peops_settings = -1;
88#endif
89#ifdef GPU_UNAI
90static int show_advanced_gpu_unai_settings = -1;
91#endif
92static int show_other_input_settings = -1;
93static float mouse_sensitivity = 1.0f;
94
95static unsigned previous_width = 0;
96static unsigned previous_height = 0;
97
98static int plugins_opened;
99static int is_pal_mode;
100
101/* memory card data */
102extern char Mcd1Data[MCD_SIZE];
103extern char Mcd2Data[MCD_SIZE];
104extern char McdDisable[2];
105
106/* PCSX ReARMed core calls and stuff */
107int in_type[8] = {
108 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
109 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
110 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
111 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE
112};
113int in_analog_left[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
114int in_analog_right[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
115unsigned short in_keystate[PORTS_NUMBER];
116int in_mouse[8][2];
117int multitap1 = 0;
118int multitap2 = 0;
119int in_enable_vibration = 1;
120static int input_changed = 0;
121
122// NegCon adjustment parameters
123// > The NegCon 'twist' action is somewhat awkward when mapped
124// to a standard analog stick -> user should be able to tweak
125// response/deadzone for comfort
126// > When response is linear, 'additional' deadzone (set here)
127// may be left at zero, since this is normally handled via in-game
128// options menus
129// > When response is non-linear, deadzone should be set to match the
130// controller being used (otherwise precision may be lost)
131// > negcon_linearity:
132// - 1: Response is linear - recommended when using racing wheel
133// peripherals, not recommended for standard gamepads
134// - 2: Response is quadratic - optimal setting for gamepads
135// - 3: Response is cubic - enables precise fine control, but
136// difficult to use...
137#define NEGCON_RANGE 0x7FFF
138static int negcon_deadzone = 0;
139static int negcon_linearity = 1;
140
141static bool axis_bounds_modifier;
142
143/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
144#define VOUT_MAX_WIDTH 1024
145#define VOUT_MAX_HEIGHT 512
146
147//Dummy functions
148bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) { return false; }
149void retro_unload_game(void) {}
150static int vout_open(void) { return 0; }
151static void vout_close(void) {}
152static int snd_init(void) { return 0; }
153static void snd_finish(void) {}
154static int snd_busy(void) { return 0; }
155
156#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
157#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
158#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
159#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
160#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
161#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
162#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
163#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
164#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
165
166static void init_memcard(char *mcd_data)
167{
168 unsigned off = 0;
169 unsigned i;
170
171 memset(mcd_data, 0, MCD_SIZE);
172
173 mcd_data[off++] = 'M';
174 mcd_data[off++] = 'C';
175 off += 0x7d;
176 mcd_data[off++] = 0x0e;
177
178 for (i = 0; i < 15; i++)
179 {
180 mcd_data[off++] = 0xa0;
181 off += 0x07;
182 mcd_data[off++] = 0xff;
183 mcd_data[off++] = 0xff;
184 off += 0x75;
185 mcd_data[off++] = 0xa0;
186 }
187
188 for (i = 0; i < 20; i++)
189 {
190 mcd_data[off++] = 0xff;
191 mcd_data[off++] = 0xff;
192 mcd_data[off++] = 0xff;
193 mcd_data[off++] = 0xff;
194 off += 0x04;
195 mcd_data[off++] = 0xff;
196 mcd_data[off++] = 0xff;
197 off += 0x76;
198 }
199}
200
201static void set_vout_fb()
202{
203 struct retro_framebuffer fb = { 0 };
204
205 fb.width = vout_width;
206 fb.height = vout_height;
207 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
208
209 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
210 vout_buf_ptr = (uint16_t *)fb.data;
211 else
212 vout_buf_ptr = vout_buf;
213}
214
215static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
216{
217 vout_width = w;
218 vout_height = h;
219
220 if (previous_width != vout_width || previous_height != vout_height)
221 {
222 previous_width = vout_width;
223 previous_height = vout_height;
224
225 struct retro_system_av_info info;
226 retro_get_system_av_info(&info);
227 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
228 }
229
230 set_vout_fb();
231}
232
233#ifndef FRONTEND_SUPPORTS_RGB565
234static void convert(void *buf, size_t bytes)
235{
236 unsigned int i, v, *p = buf;
237
238 for (i = 0; i < bytes / 4; i++)
239 {
240 v = p[i];
241 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
242 }
243}
244#endif
245
246static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
247{
248 unsigned short *dest = vout_buf_ptr;
249 const unsigned short *src = vram;
250 int dstride = vout_width, h1 = h;
251 int doffs;
252
253 if (vram == NULL)
254 {
255 // blanking
256 memset(vout_buf_ptr, 0, dstride * h * 2);
257 goto out;
258 }
259
260 doffs = (vout_height - h) * dstride;
261 doffs += (dstride - w) / 2 & ~1;
262 if (doffs != vout_doffs_old)
263 {
264 // clear borders
265 memset(vout_buf_ptr, 0, dstride * h * 2);
266 vout_doffs_old = doffs;
267 }
268 dest += doffs;
269
270 if (bgr24)
271 {
272 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
273 for (; h1-- > 0; dest += dstride, src += stride)
274 {
275 bgr888_to_rgb565(dest, src, w * 3);
276 }
277 }
278 else
279 {
280 for (; h1-- > 0; dest += dstride, src += stride)
281 {
282 bgr555_to_rgb565(dest, src, w * 2);
283 }
284 }
285
286out:
287#ifndef FRONTEND_SUPPORTS_RGB565
288 convert(vout_buf_ptr, vout_width * vout_height * 2);
289#endif
290 vout_fb_dirty = 1;
291 pl_rearmed_cbs.flip_cnt++;
292}
293
294#ifdef _3DS
295typedef struct
296{
297 void *buffer;
298 uint32_t target_map;
299 size_t size;
300 enum psxMapTag tag;
301} psx_map_t;
302
303psx_map_t custom_psx_maps[] = {
304 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
305 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
306 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
307 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
308 { NULL, 0x12000000, 0x200000, MAP_TAG_VRAM }, // 0x00000000
309};
310
311void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
312 enum psxMapTag tag)
313{
314 (void)is_fixed;
315 (void)addr;
316
317 if (__ctr_svchax)
318 {
319 psx_map_t *custom_map = custom_psx_maps;
320
321 for (; custom_map->size; custom_map++)
322 {
323 if ((custom_map->size == size) && (custom_map->tag == tag))
324 {
325 uint32_t ptr_aligned, tmp;
326
327 custom_map->buffer = malloc(size + 0x1000);
328 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
329
330 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
331 {
332 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
333 exit(1);
334 }
335
336 return (void *)custom_map->target_map;
337 }
338 }
339 }
340
341 return malloc(size);
342}
343
344void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
345{
346 (void)tag;
347
348 if (__ctr_svchax)
349 {
350 psx_map_t *custom_map = custom_psx_maps;
351
352 for (; custom_map->size; custom_map++)
353 {
354 if ((custom_map->target_map == (uint32_t)ptr))
355 {
356 uint32_t ptr_aligned, tmp;
357
358 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
359
360 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
361
362 free(custom_map->buffer);
363 custom_map->buffer = NULL;
364 return;
365 }
366 }
367 }
368
369 free(ptr);
370}
371#endif
372
373#ifdef VITA
374typedef struct
375{
376 void *buffer;
377 uint32_t target_map;
378 size_t size;
379 enum psxMapTag tag;
380} psx_map_t;
381
382void *addr = NULL;
383
384psx_map_t custom_psx_maps[] = {
385 { NULL, NULL, 0x210000, MAP_TAG_RAM }, // 0x80000000
386 { NULL, NULL, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
387 { NULL, NULL, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
388 { NULL, NULL, 0x800000, MAP_TAG_LUTS }, // 0x08000000
389 { NULL, NULL, 0x200000, MAP_TAG_VRAM }, // 0x00000000
390};
391
392int init_vita_mmap()
393{
394 int n;
395 void *tmpaddr;
396 addr = malloc(64 * 1024 * 1024);
397 if (addr == NULL)
398 return -1;
399 tmpaddr = ((u32)(addr + 0xFFFFFF)) & ~0xFFFFFF;
400 custom_psx_maps[0].buffer = tmpaddr + 0x2000000;
401 custom_psx_maps[1].buffer = tmpaddr + 0x1800000;
402 custom_psx_maps[2].buffer = tmpaddr + 0x1c00000;
403 custom_psx_maps[3].buffer = tmpaddr + 0x0000000;
404 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
405#if 0
406 for(n = 0; n < 5; n++){
407 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
408 }
409#endif
410 return 0;
411}
412
413void deinit_vita_mmap()
414{
415 free(addr);
416}
417
418void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
419 enum psxMapTag tag)
420{
421 (void)is_fixed;
422 (void)addr;
423
424 psx_map_t *custom_map = custom_psx_maps;
425
426 for (; custom_map->size; custom_map++)
427 {
428 if ((custom_map->size == size) && (custom_map->tag == tag))
429 {
430 return custom_map->buffer;
431 }
432 }
433
434 return malloc(size);
435}
436
437void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
438{
439 (void)tag;
440
441 psx_map_t *custom_map = custom_psx_maps;
442
443 for (; custom_map->size; custom_map++)
444 {
445 if ((custom_map->buffer == ptr))
446 {
447 return;
448 }
449 }
450
451 free(ptr);
452}
453#endif
454
455static void *pl_mmap(unsigned int size)
456{
457 return psxMap(0, size, 0, MAP_TAG_VRAM);
458}
459
460static void pl_munmap(void *ptr, unsigned int size)
461{
462 psxUnmap(ptr, size, MAP_TAG_VRAM);
463}
464
465struct rearmed_cbs pl_rearmed_cbs = {
466 .pl_vout_open = vout_open,
467 .pl_vout_set_mode = vout_set_mode,
468 .pl_vout_flip = vout_flip,
469 .pl_vout_close = vout_close,
470 .mmap = pl_mmap,
471 .munmap = pl_munmap,
472 /* from psxcounters */
473 .gpu_hcnt = &hSyncCount,
474 .gpu_frame_count = &frame_counter,
475};
476
477void pl_frame_limit(void)
478{
479 /* called once per frame, make psxCpu->Execute() above return */
480 stop = 1;
481}
482
483void pl_timing_prepare(int is_pal)
484{
485 is_pal_mode = is_pal;
486}
487
488void plat_trigger_vibrate(int pad, int low, int high)
489{
490 if (!rumble_cb)
491 return;
492
493 if (in_enable_vibration)
494 {
495 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
496 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
497 }
498}
499
500void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
501{
502}
503
504/* sound calls */
505static void snd_feed(void *buf, int bytes)
506{
507 if (audio_batch_cb != NULL)
508 audio_batch_cb(buf, bytes / 4);
509}
510
511void out_register_libretro(struct out_driver *drv)
512{
513 drv->name = "libretro";
514 drv->init = snd_init;
515 drv->finish = snd_finish;
516 drv->busy = snd_busy;
517 drv->feed = snd_feed;
518}
519
520#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
521#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
522#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
523#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
524#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
525#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
526
527static char *get_pse_pad_label[] = {
528 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
529};
530
531static const struct retro_controller_description pads[7] =
532{
533 { "standard", RETRO_DEVICE_JOYPAD },
534 { "analog", RETRO_DEVICE_PSE_ANALOG },
535 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
536 { "negcon", RETRO_DEVICE_PSE_NEGCON },
537 { "guncon", RETRO_DEVICE_PSE_GUNCON },
538 { "mouse", RETRO_DEVICE_PSE_MOUSE },
539 { NULL, 0 },
540};
541
542static const struct retro_controller_info ports[9] =
543{
544 { pads, 7 },
545 { pads, 7 },
546 { pads, 7 },
547 { pads, 7 },
548 { pads, 7 },
549 { pads, 7 },
550 { pads, 7 },
551 { pads, 7 },
552 { NULL, 0 },
553};
554
555/* libretro */
556void retro_set_environment(retro_environment_t cb)
557{
558 environ_cb = cb;
559
560 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
561 log_cb = logging.log;
562
563 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
564 libretro_set_core_options(environ_cb);
565}
566
567void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
568void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
569void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
570void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
571void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
572
573unsigned retro_api_version(void)
574{
575 return RETRO_API_VERSION;
576}
577
578static void update_multitap(void)
579{
580 struct retro_variable var;
581 int auto_case, port;
582
583 var.value = NULL;
584 var.key = "pcsx_rearmed_multitap1";
585 auto_case = 0;
586 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
587 {
588 if (strcmp(var.value, "enabled") == 0)
589 multitap1 = 1;
590 else if (strcmp(var.value, "disabled") == 0)
591 multitap1 = 0;
592 else // 'auto' case
593 auto_case = 1;
594 }
595 else
596 auto_case = 1;
597
598 if (auto_case)
599 {
600 // If a gamepad is plugged after port 2, we need a first multitap.
601 multitap1 = 0;
602 for (port = 2; port < PORTS_NUMBER; port++)
603 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
604 }
605
606 var.value = NULL;
607 var.key = "pcsx_rearmed_multitap2";
608 auto_case = 0;
609 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
610 {
611 if (strcmp(var.value, "enabled") == 0)
612 multitap2 = 1;
613 else if (strcmp(var.value, "disabled") == 0)
614 multitap2 = 0;
615 else // 'auto' case
616 auto_case = 1;
617 }
618 else
619 auto_case = 1;
620
621 if (auto_case)
622 {
623 // If a gamepad is plugged after port 4, we need a second multitap.
624 multitap2 = 0;
625 for (port = 4; port < PORTS_NUMBER; port++)
626 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
627 }
628}
629
630void retro_set_controller_port_device(unsigned port, unsigned device)
631{
632 if (port >= PORTS_NUMBER)
633 return;
634
635 switch (device)
636 {
637 case RETRO_DEVICE_JOYPAD:
638 case RETRO_DEVICE_PSE_STANDARD:
639 in_type[port] = PSE_PAD_TYPE_STANDARD;
640 break;
641 case RETRO_DEVICE_PSE_ANALOG:
642 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
643 break;
644 case RETRO_DEVICE_PSE_DUALSHOCK:
645 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
646 break;
647 case RETRO_DEVICE_PSE_MOUSE:
648 in_type[port] = PSE_PAD_TYPE_MOUSE;
649 break;
650 case RETRO_DEVICE_PSE_NEGCON:
651 in_type[port] = PSE_PAD_TYPE_NEGCON;
652 break;
653 case RETRO_DEVICE_PSE_GUNCON:
654 in_type[port] = PSE_PAD_TYPE_GUNCON;
655 break;
656 case RETRO_DEVICE_NONE:
657 default:
658 in_type[port] = PSE_PAD_TYPE_NONE;
659 break;
660 }
661
662 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
663}
664
665void retro_get_system_info(struct retro_system_info *info)
666{
667#ifndef GIT_VERSION
668#define GIT_VERSION ""
669#endif
670 memset(info, 0, sizeof(*info));
671 info->library_name = "PCSX-ReARMed";
672 info->library_version = "r22" GIT_VERSION;
673 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
674 info->need_fullpath = true;
675}
676
677void retro_get_system_av_info(struct retro_system_av_info *info)
678{
679 unsigned geom_height = vout_height > 0 ? vout_height : 240;
680 unsigned geom_width = vout_width > 0 ? vout_width : 320;
681
682 memset(info, 0, sizeof(*info));
683 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
684 info->timing.sample_rate = 44100.0;
685 info->geometry.base_width = geom_width;
686 info->geometry.base_height = geom_height;
687 info->geometry.max_width = VOUT_MAX_WIDTH;
688 info->geometry.max_height = VOUT_MAX_HEIGHT;
689 info->geometry.aspect_ratio = 4.0 / 3.0;
690}
691
692/* savestates */
693size_t retro_serialize_size(void)
694{
695 // it's currently 4380651-4397047 bytes,
696 // but have some reserved for future
697 return 0x440000;
698}
699
700struct save_fp
701{
702 char *buf;
703 size_t pos;
704 int is_write;
705};
706
707static void *save_open(const char *name, const char *mode)
708{
709 struct save_fp *fp;
710
711 if (name == NULL || mode == NULL)
712 return NULL;
713
714 fp = malloc(sizeof(*fp));
715 if (fp == NULL)
716 return NULL;
717
718 fp->buf = (char *)name;
719 fp->pos = 0;
720 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
721
722 return fp;
723}
724
725static int save_read(void *file, void *buf, u32 len)
726{
727 struct save_fp *fp = file;
728 if (fp == NULL || buf == NULL)
729 return -1;
730
731 memcpy(buf, fp->buf + fp->pos, len);
732 fp->pos += len;
733 return len;
734}
735
736static int save_write(void *file, const void *buf, u32 len)
737{
738 struct save_fp *fp = file;
739 if (fp == NULL || buf == NULL)
740 return -1;
741
742 memcpy(fp->buf + fp->pos, buf, len);
743 fp->pos += len;
744 return len;
745}
746
747static long save_seek(void *file, long offs, int whence)
748{
749 struct save_fp *fp = file;
750 if (fp == NULL)
751 return -1;
752
753 switch (whence)
754 {
755 case SEEK_CUR:
756 fp->pos += offs;
757 return fp->pos;
758 case SEEK_SET:
759 fp->pos = offs;
760 return fp->pos;
761 default:
762 return -1;
763 }
764}
765
766static void save_close(void *file)
767{
768 struct save_fp *fp = file;
769 size_t r_size = retro_serialize_size();
770 if (fp == NULL)
771 return;
772
773 if (fp->pos > r_size)
774 SysPrintf("ERROR: save buffer overflow detected\n");
775 else if (fp->is_write && fp->pos < r_size)
776 // make sure we don't save trash in leftover space
777 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
778 free(fp);
779}
780
781bool retro_serialize(void *data, size_t size)
782{
783 int ret = SaveState(data);
784 return ret == 0 ? true : false;
785}
786
787bool retro_unserialize(const void *data, size_t size)
788{
789 int ret = LoadState(data);
790 return ret == 0 ? true : false;
791}
792
793/* cheats */
794void retro_cheat_reset(void)
795{
796 ClearAllCheats();
797}
798
799void retro_cheat_set(unsigned index, bool enabled, const char *code)
800{
801 char buf[256];
802 int ret;
803
804 // cheat funcs are destructive, need a copy..
805 strncpy(buf, code, sizeof(buf));
806 buf[sizeof(buf) - 1] = 0;
807
808 //Prepare buffered cheat for PCSX's AddCheat fucntion.
809 int cursor = 0;
810 int nonhexdec = 0;
811 while (buf[cursor])
812 {
813 if (!(ISHEXDEC))
814 {
815 if (++nonhexdec % 2)
816 {
817 buf[cursor] = ' ';
818 }
819 else
820 {
821 buf[cursor] = '\n';
822 }
823 }
824 cursor++;
825 }
826
827 if (index < NumCheats)
828 ret = EditCheat(index, "", buf);
829 else
830 ret = AddCheat("", buf);
831
832 if (ret != 0)
833 SysPrintf("Failed to set cheat %#u\n", index);
834 else if (index < NumCheats)
835 Cheats[index].Enabled = enabled;
836}
837
838// just in case, maybe a win-rt port in the future?
839#ifdef _WIN32
840#define SLASH '\\'
841#else
842#define SLASH '/'
843#endif
844
845#ifndef PATH_MAX
846#define PATH_MAX 4096
847#endif
848
849/* multidisk support */
850static unsigned int disk_initial_index;
851static char disk_initial_path[PATH_MAX];
852static bool disk_ejected;
853static unsigned int disk_current_index;
854static unsigned int disk_count;
855static struct disks_state
856{
857 char *fname;
858 char *flabel;
859 int internal_index; // for multidisk eboots
860} disks[8];
861
862static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
863{
864 const char *base = NULL;
865
866 if (!disk_path || (*disk_path == '\0'))
867 return;
868
869 base = strrchr(disk_path, SLASH);
870 if (!base)
871 base = disk_path;
872
873 if (*base == SLASH)
874 base++;
875
876 strncpy(disk_label, base, len - 1);
877 disk_label[len - 1] = '\0';
878
879 char *ext = strrchr(disk_label, '.');
880 if (ext)
881 *ext = '\0';
882}
883
884static void disk_init(void)
885{
886 size_t i;
887
888 disk_ejected = false;
889 disk_current_index = 0;
890 disk_count = 0;
891
892 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
893 {
894 if (disks[i].fname != NULL)
895 {
896 free(disks[i].fname);
897 disks[i].fname = NULL;
898 }
899 if (disks[i].flabel != NULL)
900 {
901 free(disks[i].flabel);
902 disks[i].flabel = NULL;
903 }
904 disks[i].internal_index = 0;
905 }
906}
907
908static bool disk_set_eject_state(bool ejected)
909{
910 // weird PCSX API..
911 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
912 LidInterrupt();
913
914 disk_ejected = ejected;
915 return true;
916}
917
918static bool disk_get_eject_state(void)
919{
920 /* can't be controlled by emulated software */
921 return disk_ejected;
922}
923
924static unsigned int disk_get_image_index(void)
925{
926 return disk_current_index;
927}
928
929static bool disk_set_image_index(unsigned int index)
930{
931 if (index >= sizeof(disks) / sizeof(disks[0]))
932 return false;
933
934 CdromId[0] = '\0';
935 CdromLabel[0] = '\0';
936
937 if (disks[index].fname == NULL)
938 {
939 SysPrintf("missing disk #%u\n", index);
940 CDR_shutdown();
941
942 // RetroArch specifies "no disk" with index == count,
943 // so don't fail here..
944 disk_current_index = index;
945 return true;
946 }
947
948 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
949 disks[index].fname, disks[index].internal_index);
950
951 cdrIsoMultidiskSelect = disks[index].internal_index;
952 set_cd_image(disks[index].fname);
953 if (ReloadCdromPlugin() < 0)
954 {
955 SysPrintf("failed to load cdr plugin\n");
956 return false;
957 }
958 if (CDR_open() < 0)
959 {
960 SysPrintf("failed to open cdr plugin\n");
961 return false;
962 }
963
964 if (!disk_ejected)
965 {
966 SetCdOpenCaseTime(time(NULL) + 2);
967 LidInterrupt();
968 }
969
970 disk_current_index = index;
971 return true;
972}
973
974static unsigned int disk_get_num_images(void)
975{
976 return disk_count;
977}
978
979static bool disk_replace_image_index(unsigned index,
980 const struct retro_game_info *info)
981{
982 char *old_fname = NULL;
983 char *old_flabel = NULL;
984 bool ret = true;
985
986 if (index >= sizeof(disks) / sizeof(disks[0]))
987 return false;
988
989 old_fname = disks[index].fname;
990 old_flabel = disks[index].flabel;
991
992 disks[index].fname = NULL;
993 disks[index].flabel = NULL;
994 disks[index].internal_index = 0;
995
996 if (info != NULL)
997 {
998 char disk_label[PATH_MAX];
999 disk_label[0] = '\0';
1000
1001 disks[index].fname = strdup(info->path);
1002
1003 get_disk_label(disk_label, info->path, PATH_MAX);
1004 disks[index].flabel = strdup(disk_label);
1005
1006 if (index == disk_current_index)
1007 ret = disk_set_image_index(index);
1008 }
1009
1010 if (old_fname != NULL)
1011 free(old_fname);
1012
1013 if (old_flabel != NULL)
1014 free(old_flabel);
1015
1016 return ret;
1017}
1018
1019static bool disk_add_image_index(void)
1020{
1021 if (disk_count >= 8)
1022 return false;
1023
1024 disk_count++;
1025 return true;
1026}
1027
1028static bool disk_set_initial_image(unsigned index, const char *path)
1029{
1030 if (index >= sizeof(disks) / sizeof(disks[0]))
1031 return false;
1032
1033 if (!path || (*path == '\0'))
1034 return false;
1035
1036 disk_initial_index = index;
1037
1038 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1039 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1040
1041 return true;
1042}
1043
1044static bool disk_get_image_path(unsigned index, char *path, size_t len)
1045{
1046 const char *fname = NULL;
1047
1048 if (len < 1)
1049 return false;
1050
1051 if (index >= sizeof(disks) / sizeof(disks[0]))
1052 return false;
1053
1054 fname = disks[index].fname;
1055
1056 if (!fname || (*fname == '\0'))
1057 return false;
1058
1059 strncpy(path, fname, len - 1);
1060 path[len - 1] = '\0';
1061
1062 return true;
1063}
1064
1065static bool disk_get_image_label(unsigned index, char *label, size_t len)
1066{
1067 const char *flabel = NULL;
1068
1069 if (len < 1)
1070 return false;
1071
1072 if (index >= sizeof(disks) / sizeof(disks[0]))
1073 return false;
1074
1075 flabel = disks[index].flabel;
1076
1077 if (!flabel || (*flabel == '\0'))
1078 return false;
1079
1080 strncpy(label, flabel, len - 1);
1081 label[len - 1] = '\0';
1082
1083 return true;
1084}
1085
1086static struct retro_disk_control_callback disk_control = {
1087 .set_eject_state = disk_set_eject_state,
1088 .get_eject_state = disk_get_eject_state,
1089 .get_image_index = disk_get_image_index,
1090 .set_image_index = disk_set_image_index,
1091 .get_num_images = disk_get_num_images,
1092 .replace_image_index = disk_replace_image_index,
1093 .add_image_index = disk_add_image_index,
1094};
1095
1096static struct retro_disk_control_ext_callback disk_control_ext = {
1097 .set_eject_state = disk_set_eject_state,
1098 .get_eject_state = disk_get_eject_state,
1099 .get_image_index = disk_get_image_index,
1100 .set_image_index = disk_set_image_index,
1101 .get_num_images = disk_get_num_images,
1102 .replace_image_index = disk_replace_image_index,
1103 .add_image_index = disk_add_image_index,
1104 .set_initial_image = disk_set_initial_image,
1105 .get_image_path = disk_get_image_path,
1106 .get_image_label = disk_get_image_label,
1107};
1108
1109static char base_dir[1024];
1110
1111static bool read_m3u(const char *file)
1112{
1113 char line[1024];
1114 char name[PATH_MAX];
1115 FILE *f = fopen(file, "r");
1116 if (!f)
1117 return false;
1118
1119 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0]))
1120 {
1121 if (line[0] == '#')
1122 continue;
1123 char *carrige_return = strchr(line, '\r');
1124 if (carrige_return)
1125 *carrige_return = '\0';
1126 char *newline = strchr(line, '\n');
1127 if (newline)
1128 *newline = '\0';
1129
1130 if (line[0] != '\0')
1131 {
1132 char disk_label[PATH_MAX];
1133 disk_label[0] = '\0';
1134
1135 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1136 disks[disk_count].fname = strdup(name);
1137
1138 get_disk_label(disk_label, name, PATH_MAX);
1139 disks[disk_count].flabel = strdup(disk_label);
1140
1141 disk_count++;
1142 }
1143 }
1144
1145 fclose(f);
1146 return (disk_count != 0);
1147}
1148
1149static void extract_directory(char *buf, const char *path, size_t size)
1150{
1151 char *base;
1152 strncpy(buf, path, size - 1);
1153 buf[size - 1] = '\0';
1154
1155 base = strrchr(buf, '/');
1156 if (!base)
1157 base = strrchr(buf, '\\');
1158
1159 if (base)
1160 *base = '\0';
1161 else
1162 {
1163 buf[0] = '.';
1164 buf[1] = '\0';
1165 }
1166}
1167
1168#if defined(__QNX__) || defined(_WIN32)
1169/* Blackberry QNX doesn't have strcasestr */
1170
1171/*
1172 * Find the first occurrence of find in s, ignore case.
1173 */
1174char *
1175strcasestr(const char *s, const char *find)
1176{
1177 char c, sc;
1178 size_t len;
1179
1180 if ((c = *find++) != 0)
1181 {
1182 c = tolower((unsigned char)c);
1183 len = strlen(find);
1184 do
1185 {
1186 do
1187 {
1188 if ((sc = *s++) == 0)
1189 return (NULL);
1190 } while ((char)tolower((unsigned char)sc) != c);
1191 } while (strncasecmp(s, find, len) != 0);
1192 s--;
1193 }
1194 return ((char *)s);
1195}
1196#endif
1197
1198static void set_retro_memmap(void)
1199{
1200#ifndef NDEBUG
1201 struct retro_memory_map retromap = { 0 };
1202 struct retro_memory_descriptor mmap = {
1203 0, psxM, 0, 0, 0, 0, 0x200000
1204 };
1205
1206 retromap.descriptors = &mmap;
1207 retromap.num_descriptors = 1;
1208
1209 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1210#endif
1211}
1212
1213static void update_variables(bool in_flight);
1214bool retro_load_game(const struct retro_game_info *info)
1215{
1216 size_t i;
1217 unsigned int cd_index = 0;
1218 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1219
1220 struct retro_input_descriptor desc[] = {
1221#define JOYP(port) \
1222 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1223 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1224 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1225 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1226 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1227 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1228 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1229 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1230 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1231 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1232 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1233 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1234 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1235 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1236 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1237 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1238 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1239 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1240 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1241 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1242
1243 JOYP(0)
1244 JOYP(1)
1245 JOYP(2)
1246 JOYP(3)
1247 JOYP(4)
1248 JOYP(5)
1249 JOYP(6)
1250 JOYP(7)
1251
1252 { 0 },
1253 };
1254
1255 frame_count = 0;
1256
1257 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1258
1259#ifdef FRONTEND_SUPPORTS_RGB565
1260 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1261 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1262 {
1263 SysPrintf("RGB565 supported, using it\n");
1264 }
1265#endif
1266
1267 if (info == NULL || info->path == NULL)
1268 {
1269 SysPrintf("info->path required\n");
1270 return false;
1271 }
1272
1273 update_variables(false);
1274
1275 if (plugins_opened)
1276 {
1277 ClosePlugins();
1278 plugins_opened = 0;
1279 }
1280
1281 disk_init();
1282
1283 extract_directory(base_dir, info->path, sizeof(base_dir));
1284
1285 if (is_m3u)
1286 {
1287 if (!read_m3u(info->path))
1288 {
1289 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1290 return false;
1291 }
1292 }
1293 else
1294 {
1295 char disk_label[PATH_MAX];
1296 disk_label[0] = '\0';
1297
1298 disk_count = 1;
1299 disks[0].fname = strdup(info->path);
1300
1301 get_disk_label(disk_label, info->path, PATH_MAX);
1302 disks[0].flabel = strdup(disk_label);
1303 }
1304
1305 /* If this is an M3U file, attempt to set the
1306 * initial disk image */
1307 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1308 {
1309 const char *fname = disks[disk_initial_index].fname;
1310
1311 if (fname && (*fname != '\0'))
1312 if (strcmp(disk_initial_path, fname) == 0)
1313 cd_index = disk_initial_index;
1314 }
1315
1316 set_cd_image(disks[cd_index].fname);
1317 disk_current_index = cd_index;
1318
1319 /* have to reload after set_cd_image for correct cdr plugin */
1320 if (LoadPlugins() == -1)
1321 {
1322 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1323 return false;
1324 }
1325
1326 plugins_opened = 1;
1327 NetOpened = 0;
1328
1329 if (OpenPlugins() == -1)
1330 {
1331 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1332 return false;
1333 }
1334
1335 /* Handle multi-disk images (i.e. PBP)
1336 * > Cannot do this until after OpenPlugins() is
1337 * called (since this sets the value of
1338 * cdrIsoMultidiskCount) */
1339 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1340 {
1341 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1342
1343 /* Small annoyance: We need to change the label
1344 * of disk 0, so have to clear existing entries */
1345 if (disks[0].fname != NULL)
1346 free(disks[0].fname);
1347 disks[0].fname = NULL;
1348
1349 if (disks[0].flabel != NULL)
1350 free(disks[0].flabel);
1351 disks[0].flabel = NULL;
1352
1353 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1354 {
1355 char disk_name[PATH_MAX];
1356 char disk_label[PATH_MAX];
1357 disk_name[0] = '\0';
1358 disk_label[0] = '\0';
1359
1360 disks[i].fname = strdup(info->path);
1361
1362 get_disk_label(disk_name, info->path, PATH_MAX);
1363 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1364 disks[i].flabel = strdup(disk_label);
1365
1366 disks[i].internal_index = i;
1367 }
1368
1369 /* This is not an M3U file, so initial disk
1370 * image has not yet been set - attempt to
1371 * do so now */
1372 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1373 {
1374 const char *fname = disks[disk_initial_index].fname;
1375
1376 if (fname && (*fname != '\0'))
1377 if (strcmp(disk_initial_path, fname) == 0)
1378 cd_index = disk_initial_index;
1379 }
1380
1381 if (cd_index > 0)
1382 {
1383 CdromId[0] = '\0';
1384 CdromLabel[0] = '\0';
1385
1386 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1387 disk_current_index = cd_index;
1388 set_cd_image(disks[cd_index].fname);
1389
1390 if (ReloadCdromPlugin() < 0)
1391 {
1392 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1393 return false;
1394 }
1395 if (CDR_open() < 0)
1396 {
1397 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1398 return false;
1399 }
1400 }
1401 }
1402
1403 plugin_call_rearmed_cbs();
1404 /* dfinput_activate(); */
1405
1406 if (CheckCdrom() == -1)
1407 {
1408 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1409 return false;
1410 }
1411
1412 SysReset();
1413
1414 if (LoadCdrom() == -1)
1415 {
1416 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1417 return false;
1418 }
1419 emu_on_new_cd(0);
1420
1421 set_retro_memmap();
1422
1423 input_changed = 1;
1424
1425 return true;
1426}
1427
1428unsigned retro_get_region(void)
1429{
1430 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1431}
1432
1433void *retro_get_memory_data(unsigned id)
1434{
1435 if (id == RETRO_MEMORY_SAVE_RAM)
1436 return Mcd1Data;
1437 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1438 return psxM;
1439 else
1440 return NULL;
1441}
1442
1443size_t retro_get_memory_size(unsigned id)
1444{
1445 if (id == RETRO_MEMORY_SAVE_RAM)
1446 return MCD_SIZE;
1447 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1448 return 0x200000;
1449 else
1450 return 0;
1451}
1452
1453void retro_reset(void)
1454{
1455 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1456 rebootemu = 1;
1457 //SysReset();
1458}
1459
1460static const unsigned short retro_psx_map[] = {
1461 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1462 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1463 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1464 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1465 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1466 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1467 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1468 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1469 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1470 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1471 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1472 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1473 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1474 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1475 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1476 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1477};
1478#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1479
1480//Percentage distance of screen to adjust
1481static int GunconAdjustX = 0;
1482static int GunconAdjustY = 0;
1483
1484//Used when out by a percentage
1485static float GunconAdjustRatioX = 1;
1486static float GunconAdjustRatioY = 1;
1487
1488static void update_variables(bool in_flight)
1489{
1490 struct retro_variable var;
1491#ifdef GPU_PEOPS
1492 int gpu_peops_fix = 0;
1493#endif
1494
1495 var.value = NULL;
1496 var.key = "pcsx_rearmed_frameskip";
1497 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1498 pl_rearmed_cbs.frameskip = atoi(var.value);
1499
1500 var.value = NULL;
1501 var.key = "pcsx_rearmed_region";
1502 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1503 {
1504 Config.PsxAuto = 0;
1505 if (strcmp(var.value, "auto") == 0)
1506 Config.PsxAuto = 1;
1507 else if (strcmp(var.value, "NTSC") == 0)
1508 Config.PsxType = 0;
1509 else if (strcmp(var.value, "PAL") == 0)
1510 Config.PsxType = 1;
1511 }
1512
1513 /*for (i = 0; i < PORTS_NUMBER; i++)
1514 update_controller_port_variable(i);*/
1515
1516 update_multitap();
1517
1518 var.value = NULL;
1519 var.key = "pcsx_rearmed_negcon_deadzone";
1520 negcon_deadzone = 0;
1521 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1522 {
1523 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1524 }
1525
1526 var.value = NULL;
1527 var.key = "pcsx_rearmed_negcon_response";
1528 negcon_linearity = 1;
1529 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1530 {
1531 if (strcmp(var.value, "quadratic") == 0)
1532 {
1533 negcon_linearity = 2;
1534 }
1535 else if (strcmp(var.value, "cubic") == 0)
1536 {
1537 negcon_linearity = 3;
1538 }
1539 }
1540
1541 var.value = NULL;
1542 var.key = "pcsx_rearmed_analog_axis_modifier";
1543 axis_bounds_modifier = true;
1544 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1545 {
1546 if (strcmp(var.value, "square") == 0)
1547 {
1548 axis_bounds_modifier = true;
1549 }
1550 else if (strcmp(var.value, "circle") == 0)
1551 {
1552 axis_bounds_modifier = false;
1553 }
1554 }
1555
1556 var.value = NULL;
1557 var.key = "pcsx_rearmed_vibration";
1558
1559 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1560 {
1561 if (strcmp(var.value, "disabled") == 0)
1562 in_enable_vibration = 0;
1563 else if (strcmp(var.value, "enabled") == 0)
1564 in_enable_vibration = 1;
1565 }
1566
1567 var.value = NULL;
1568 var.key = "pcsx_rearmed_dithering";
1569
1570 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1571 {
1572 if (strcmp(var.value, "disabled") == 0)
1573 {
1574 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1575 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1576 pl_rearmed_cbs.gpu_unai.dithering = 0;
1577#ifdef __ARM_NEON__
1578 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1579#endif
1580 }
1581 else if (strcmp(var.value, "enabled") == 0)
1582 {
1583 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1584 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1585 pl_rearmed_cbs.gpu_unai.dithering = 1;
1586#ifdef __ARM_NEON__
1587 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1588#endif
1589 }
1590 }
1591
1592#ifdef GPU_NEON
1593 var.value = NULL;
1594 var.key = "pcsx_rearmed_neon_interlace_enable";
1595
1596 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1597 {
1598 if (strcmp(var.value, "disabled") == 0)
1599 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1600 else if (strcmp(var.value, "enabled") == 0)
1601 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1602 }
1603
1604 var.value = NULL;
1605 var.key = "pcsx_rearmed_neon_enhancement_enable";
1606
1607 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1608 {
1609 if (strcmp(var.value, "disabled") == 0)
1610 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1611 else if (strcmp(var.value, "enabled") == 0)
1612 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1613 }
1614
1615 var.value = NULL;
1616 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1617
1618 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1619 {
1620 if (strcmp(var.value, "disabled") == 0)
1621 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1622 else if (strcmp(var.value, "enabled") == 0)
1623 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1624 }
1625#endif
1626
1627 var.value = NULL;
1628 var.key = "pcsx_rearmed_duping_enable";
1629
1630 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1631 {
1632 if (strcmp(var.value, "disabled") == 0)
1633 duping_enable = false;
1634 else if (strcmp(var.value, "enabled") == 0)
1635 duping_enable = true;
1636 }
1637
1638 var.value = NULL;
1639 var.key = "pcsx_rearmed_display_internal_fps";
1640
1641 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1642 {
1643 if (strcmp(var.value, "disabled") == 0)
1644 display_internal_fps = false;
1645 else if (strcmp(var.value, "enabled") == 0)
1646 display_internal_fps = true;
1647 }
1648
1649#if defined(LIGHTREC) || defined(NEW_DYNAREC)
1650 var.value = NULL;
1651 var.key = "pcsx_rearmed_drc";
1652
1653 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1654 {
1655 R3000Acpu *prev_cpu = psxCpu;
1656#if defined(LIGHTREC)
1657 bool can_use_dynarec = found_bios;
1658#else
1659 bool can_use_dynarec = 1;
1660#endif
1661
1662#ifdef _3DS
1663 if (!__ctr_svchax)
1664 Config.Cpu = CPU_INTERPRETER;
1665 else
1666#endif
1667 if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
1668 Config.Cpu = CPU_INTERPRETER;
1669 else if (strcmp(var.value, "enabled") == 0)
1670 Config.Cpu = CPU_DYNAREC;
1671
1672 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1673 if (psxCpu != prev_cpu)
1674 {
1675 prev_cpu->Shutdown();
1676 psxCpu->Init();
1677 psxCpu->Reset(); // not really a reset..
1678 }
1679 }
1680#endif /* LIGHTREC || NEW_DYNAREC */
1681
1682 var.value = NULL;
1683 var.key = "pcsx_rearmed_spu_reverb";
1684
1685 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1686 {
1687 if (strcmp(var.value, "disabled") == 0)
1688 spu_config.iUseReverb = false;
1689 else if (strcmp(var.value, "enabled") == 0)
1690 spu_config.iUseReverb = true;
1691 }
1692
1693 var.value = NULL;
1694 var.key = "pcsx_rearmed_spu_interpolation";
1695
1696 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1697 {
1698 if (strcmp(var.value, "simple") == 0)
1699 spu_config.iUseInterpolation = 1;
1700 else if (strcmp(var.value, "gaussian") == 0)
1701 spu_config.iUseInterpolation = 2;
1702 else if (strcmp(var.value, "cubic") == 0)
1703 spu_config.iUseInterpolation = 3;
1704 else if (strcmp(var.value, "off") == 0)
1705 spu_config.iUseInterpolation = 0;
1706 }
1707
1708 var.value = NULL;
1709 var.key = "pcsx_rearmed_pe2_fix";
1710
1711 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1712 {
1713 if (strcmp(var.value, "disabled") == 0)
1714 Config.RCntFix = 0;
1715 else if (strcmp(var.value, "enabled") == 0)
1716 Config.RCntFix = 1;
1717 }
1718
1719 var.value = NULL;
1720 var.key = "pcsx_rearmed_idiablofix";
1721
1722 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1723 {
1724 if (strcmp(var.value, "disabled") == 0)
1725 spu_config.idiablofix = 0;
1726 else if (strcmp(var.value, "enabled") == 0)
1727 spu_config.idiablofix = 1;
1728 }
1729
1730 var.value = NULL;
1731 var.key = "pcsx_rearmed_inuyasha_fix";
1732
1733 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1734 {
1735 if (strcmp(var.value, "disabled") == 0)
1736 Config.VSyncWA = 0;
1737 else if (strcmp(var.value, "enabled") == 0)
1738 Config.VSyncWA = 1;
1739 }
1740
1741#ifndef _WIN32
1742 var.value = NULL;
1743 var.key = "pcsx_rearmed_async_cd";
1744 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1745 {
1746 if (strcmp(var.value, "async") == 0)
1747 Config.AsyncCD = 1;
1748 else
1749 Config.AsyncCD = 0;
1750 }
1751#endif
1752
1753 var.value = NULL;
1754 var.key = "pcsx_rearmed_noxadecoding";
1755 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1756 {
1757 if (strcmp(var.value, "disabled") == 0)
1758 Config.Xa = 1;
1759 else
1760 Config.Xa = 0;
1761 }
1762
1763 var.value = NULL;
1764 var.key = "pcsx_rearmed_nocdaudio";
1765 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1766 {
1767 if (strcmp(var.value, "disabled") == 0)
1768 Config.Cdda = 1;
1769 else
1770 Config.Cdda = 0;
1771 }
1772
1773 var.value = NULL;
1774 var.key = "pcsx_rearmed_spuirq";
1775 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1776 {
1777 if (strcmp(var.value, "disabled") == 0)
1778 Config.SpuIrq = 0;
1779 else
1780 Config.SpuIrq = 1;
1781 }
1782
1783#ifdef THREAD_RENDERING
1784 var.key = "pcsx_rearmed_gpu_thread_rendering";
1785 var.value = NULL;
1786
1787 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1788 {
1789 if (strcmp(var.value, "disabled") == 0)
1790 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
1791 else if (strcmp(var.value, "sync") == 0)
1792 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
1793 else if (strcmp(var.value, "async") == 0)
1794 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
1795 }
1796#endif
1797
1798#ifdef GPU_PEOPS
1799 var.value = NULL;
1800 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1801
1802 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1803 {
1804 if (strcmp(var.value, "enabled") == 0)
1805 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1806 }
1807
1808 var.value = NULL;
1809 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1810
1811 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1812 {
1813 if (strcmp(var.value, "enabled") == 0)
1814 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1815 }
1816
1817 var.value = NULL;
1818 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1819
1820 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1821 {
1822 if (strcmp(var.value, "enabled") == 0)
1823 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1824 }
1825
1826 var.value = NULL;
1827 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1828
1829 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1830 {
1831 if (strcmp(var.value, "enabled") == 0)
1832 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1833 }
1834
1835 var.value = NULL;
1836 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1837
1838 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1839 {
1840 if (strcmp(var.value, "enabled") == 0)
1841 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1842 }
1843
1844 var.value = NULL;
1845 var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1846
1847 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1848 {
1849 if (strcmp(var.value, "enabled") == 0)
1850 gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1851 }
1852
1853 var.value = NULL;
1854 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1855
1856 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1857 {
1858 if (strcmp(var.value, "enabled") == 0)
1859 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1860 }
1861
1862 var.value = NULL;
1863 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
1864
1865 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1866 {
1867 if (strcmp(var.value, "enabled") == 0)
1868 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
1869 }
1870
1871 var.value = NULL;
1872 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
1873
1874 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1875 {
1876 if (strcmp(var.value, "enabled") == 0)
1877 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
1878 }
1879
1880 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1881 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1882
1883 /* Show/hide core options */
1884
1885 var.key = "pcsx_rearmed_show_gpu_peops_settings";
1886 var.value = NULL;
1887
1888 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1889 {
1890 int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
1891
1892 show_advanced_gpu_peops_settings = 1;
1893 if (strcmp(var.value, "disabled") == 0)
1894 show_advanced_gpu_peops_settings = 0;
1895
1896 if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
1897 {
1898 unsigned i;
1899 struct retro_core_option_display option_display;
1900 char gpu_peops_option[9][45] = {
1901 "pcsx_rearmed_gpu_peops_odd_even_bit",
1902 "pcsx_rearmed_gpu_peops_expand_screen_width",
1903 "pcsx_rearmed_gpu_peops_ignore_brightness",
1904 "pcsx_rearmed_gpu_peops_disable_coord_check",
1905 "pcsx_rearmed_gpu_peops_lazy_screen_update",
1906 "pcsx_rearmed_gpu_peops_old_frame_skip",
1907 "pcsx_rearmed_gpu_peops_repeated_triangles",
1908 "pcsx_rearmed_gpu_peops_quads_with_triangles",
1909 "pcsx_rearmed_gpu_peops_fake_busy_state"
1910 };
1911
1912 option_display.visible = show_advanced_gpu_peops_settings;
1913
1914 for (i = 0; i < 9; i++)
1915 {
1916 option_display.key = gpu_peops_option[i];
1917 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
1918 }
1919 }
1920 }
1921#endif
1922
1923#ifdef GPU_UNAI
1924 var.key = "pcsx_rearmed_gpu_unai_ilace_force";
1925 var.value = NULL;
1926
1927 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1928 {
1929 if (strcmp(var.value, "disabled") == 0)
1930 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
1931 else if (strcmp(var.value, "enabled") == 0)
1932 pl_rearmed_cbs.gpu_unai.ilace_force = 1;
1933 }
1934
1935 var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
1936 var.value = NULL;
1937
1938 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1939 {
1940 if (strcmp(var.value, "disabled") == 0)
1941 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
1942 else if (strcmp(var.value, "enabled") == 0)
1943 pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
1944 }
1945
1946 var.key = "pcsx_rearmed_gpu_unai_lighting";
1947 var.value = NULL;
1948
1949 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1950 {
1951 if (strcmp(var.value, "disabled") == 0)
1952 pl_rearmed_cbs.gpu_unai.lighting = 0;
1953 else if (strcmp(var.value, "enabled") == 0)
1954 pl_rearmed_cbs.gpu_unai.lighting = 1;
1955 }
1956
1957 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
1958 var.value = NULL;
1959
1960 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1961 {
1962 if (strcmp(var.value, "disabled") == 0)
1963 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
1964 else if (strcmp(var.value, "enabled") == 0)
1965 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
1966 }
1967
1968 var.key = "pcsx_rearmed_gpu_unai_blending";
1969 var.value = NULL;
1970
1971 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1972 {
1973 if (strcmp(var.value, "disabled") == 0)
1974 pl_rearmed_cbs.gpu_unai.blending = 0;
1975 else if (strcmp(var.value, "enabled") == 0)
1976 pl_rearmed_cbs.gpu_unai.blending = 1;
1977 }
1978
1979 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
1980 var.value = NULL;
1981
1982 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1983 {
1984 if (strcmp(var.value, "disabled") == 0)
1985 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
1986 else if (strcmp(var.value, "enabled") == 0)
1987 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
1988 }
1989
1990 var.key = "pcsx_rearmed_show_gpu_unai_settings";
1991 var.value = NULL;
1992
1993 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1994 {
1995 int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
1996
1997 show_advanced_gpu_unai_settings = 1;
1998 if (strcmp(var.value, "disabled") == 0)
1999 show_advanced_gpu_unai_settings = 0;
2000
2001 if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
2002 {
2003 unsigned i;
2004 struct retro_core_option_display option_display;
2005 char gpu_unai_option[6][40] = {
2006 "pcsx_rearmed_gpu_unai_blending",
2007 "pcsx_rearmed_gpu_unai_lighting",
2008 "pcsx_rearmed_gpu_unai_fast_lighting",
2009 "pcsx_rearmed_gpu_unai_ilace_force",
2010 "pcsx_rearmed_gpu_unai_pixel_skip",
2011 "pcsx_rearmed_gpu_unai_scale_hires",
2012 };
2013
2014 option_display.visible = show_advanced_gpu_unai_settings;
2015
2016 for (i = 0; i < 6; i++)
2017 {
2018 option_display.key = gpu_unai_option[i];
2019 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2020 }
2021 }
2022 }
2023#endif // GPU_UNAI
2024
2025 //This adjustment process gives the user the ability to manually align the mouse up better
2026 //with where the shots are in the emulator.
2027
2028 var.value = NULL;
2029 var.key = "pcsx_rearmed_gunconadjustx";
2030
2031 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2032 {
2033 GunconAdjustX = atoi(var.value);
2034 }
2035
2036 var.value = NULL;
2037 var.key = "pcsx_rearmed_gunconadjusty";
2038
2039 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2040 {
2041 GunconAdjustY = atoi(var.value);
2042 }
2043
2044 var.value = NULL;
2045 var.key = "pcsx_rearmed_gunconadjustratiox";
2046
2047 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2048 {
2049 GunconAdjustRatioX = atof(var.value);
2050 }
2051
2052 var.value = NULL;
2053 var.key = "pcsx_rearmed_gunconadjustratioy";
2054
2055 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2056 {
2057 GunconAdjustRatioY = atof(var.value);
2058 }
2059
2060#ifdef NEW_DYNAREC
2061 var.value = NULL;
2062 var.key = "pcsx_rearmed_nosmccheck";
2063 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2064 {
2065 if (strcmp(var.value, "enabled") == 0)
2066 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2067 else
2068 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2069 }
2070
2071 var.value = NULL;
2072 var.key = "pcsx_rearmed_gteregsunneeded";
2073 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2074 {
2075 if (strcmp(var.value, "enabled") == 0)
2076 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2077 else
2078 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2079 }
2080
2081 var.value = NULL;
2082 var.key = "pcsx_rearmed_nogteflags";
2083 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2084 {
2085 if (strcmp(var.value, "enabled") == 0)
2086 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2087 else
2088 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2089 }
2090
2091 /* this probably is safe to change in real-time */
2092 var.value = NULL;
2093 var.key = "pcsx_rearmed_psxclock";
2094 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2095 {
2096 int psxclock = atoi(var.value);
2097 cycle_multiplier = 10000 / psxclock;
2098 }
2099#endif /* NEW_DYNAREC */
2100
2101 var.value = NULL;
2102 var.key = "pcsx_rearmed_input_sensitivity";
2103 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2104 {
2105 mouse_sensitivity = atof(var.value);
2106 }
2107
2108 var.key = "pcsx_rearmed_show_other_input_settings";
2109 var.value = NULL;
2110
2111 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2112 {
2113 int previous_settings = show_other_input_settings;
2114
2115 show_other_input_settings = 1;
2116 if (strcmp(var.value, "disabled") == 0)
2117 show_other_input_settings = 0;
2118
2119 if (show_other_input_settings != previous_settings)
2120 {
2121 unsigned i;
2122 struct retro_core_option_display option_display;
2123 char gpu_peops_option[][50] = {
2124 "pcsx_rearmed_multitap1",
2125 "pcsx_rearmed_multitap2",
2126 "pcsx_rearmed_negcon_deadzone",
2127 "pcsx_rearmed_negcon_response",
2128 "pcsx_rearmed_analog_axis_modifier",
2129 "pcsx_rearmed_gunconadjustx",
2130 "pcsx_rearmed_gunconadjusty",
2131 "pcsx_rearmed_gunconadjustratiox",
2132 "pcsx_rearmed_gunconadjustratioy"
2133 };
2134 #define INPUT_LIST (sizeof(gpu_peops_option) / sizeof(gpu_peops_option[0]))
2135
2136 option_display.visible = show_other_input_settings;
2137
2138 for (i = 0; i < INPUT_LIST; i++)
2139 {
2140 option_display.key = gpu_peops_option[i];
2141 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2142 }
2143 }
2144 }
2145
2146 if (in_flight)
2147 {
2148 // inform core things about possible config changes
2149 plugin_call_rearmed_cbs();
2150
2151 if (GPU_open != NULL && GPU_close != NULL)
2152 {
2153 GPU_close();
2154 GPU_open(&gpuDisp, "PCSX", NULL);
2155 }
2156
2157 /* dfinput_activate(); */
2158 }
2159 else
2160 {
2161 //not yet running
2162
2163 //bootlogo display hack
2164 if (found_bios)
2165 {
2166 var.value = NULL;
2167 var.key = "pcsx_rearmed_show_bios_bootlogo";
2168 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2169 {
2170 Config.SlowBoot = 0;
2171 rebootemu = 0;
2172 if (strcmp(var.value, "enabled") == 0)
2173 {
2174 Config.SlowBoot = 1;
2175 rebootemu = 1;
2176 }
2177 }
2178 }
2179 }
2180}
2181
2182// Taken from beetle-psx-libretro
2183static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2184{
2185 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2186 // feature (or pre-date it) so we need to handle this in a graceful way.
2187
2188 // First, try and get an analog value using the new libretro API constant
2189 uint16_t button = input_state_cb(player_index,
2190 RETRO_DEVICE_ANALOG,
2191 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2192 id);
2193 button = MIN(button / 128, 255);
2194
2195 if (button == 0)
2196 {
2197 // If we got exactly zero, we're either not pressing the button, or the front-end
2198 // is not reporting analog values. We need to do a second check using the classic
2199 // digital API method, to at least get some response - better than nothing.
2200
2201 // NOTE: If we're really just not holding the button, we're still going to get zero.
2202
2203 button = (ret & (1 << id)) ? 255 : 0;
2204 }
2205
2206 return button;
2207}
2208
2209unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2210{
2211 float modifier_axis_range = 0;
2212
2213 if (is_square)
2214 {
2215 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2216 if (modifier_axis_range < 0)
2217 {
2218 modifier_axis_range = 0;
2219 }
2220 else if (modifier_axis_range > 255)
2221 {
2222 modifier_axis_range = 255;
2223 }
2224 }
2225 else
2226 {
2227 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2228 }
2229
2230 return modifier_axis_range;
2231}
2232
2233static void update_input_guncon(int port, int ret)
2234{
2235 //ToDo move across to:
2236 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2237 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2238 //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2239 //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2240 //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2241 //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2242 //Though not sure these are hooked up properly on the Pi
2243
2244 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2245
2246 // Trigger
2247 //The 1 is hardcoded instead of port to prevent the overlay mouse button libretro crash bug
2248 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2249 {
2250 in_keystate[port] |= (1 << DKEY_CIRCLE);
2251 }
2252
2253 // A
2254 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2255 {
2256 in_keystate[port] |= (1 << DKEY_START);
2257 }
2258
2259 // B
2260 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE))
2261 {
2262 in_keystate[port] |= (1 << DKEY_CROSS);
2263 }
2264
2265 int gunx = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2266 int guny = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2267
2268 //Mouse range is -32767 -> 32767
2269 //1% is about 655
2270 //Use the left analog stick field to store the absolute coordinates
2271 in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
2272 in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
2273}
2274
2275static void update_input_negcon(int port, int ret)
2276{
2277 int lsx;
2278 int rsy;
2279 int negcon_i_rs;
2280 int negcon_ii_rs;
2281 float negcon_twist_amplitude;
2282
2283 // Query digital inputs
2284 //
2285 // > Pad-Up
2286 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2287 in_keystate[port] |= (1 << DKEY_UP);
2288 // > Pad-Right
2289 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2290 in_keystate[port] |= (1 << DKEY_RIGHT);
2291 // > Pad-Down
2292 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2293 in_keystate[port] |= (1 << DKEY_DOWN);
2294 // > Pad-Left
2295 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2296 in_keystate[port] |= (1 << DKEY_LEFT);
2297 // > Start
2298 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2299 in_keystate[port] |= (1 << DKEY_START);
2300 // > neGcon A
2301 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2302 in_keystate[port] |= (1 << DKEY_CIRCLE);
2303 // > neGcon B
2304 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2305 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2306 // > neGcon R shoulder (digital)
2307 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2308 in_keystate[port] |= (1 << DKEY_R1);
2309 // Query analog inputs
2310 //
2311 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2312 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2313 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2314 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2315 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2316 // So we just have to map in_analog_left/right to more
2317 // appropriate inputs...
2318 //
2319 // > NeGcon twist
2320 // >> Get raw analog stick value and account for deadzone
2321 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2322 if (lsx > negcon_deadzone)
2323 lsx = lsx - negcon_deadzone;
2324 else if (lsx < -negcon_deadzone)
2325 lsx = lsx + negcon_deadzone;
2326 else
2327 lsx = 0;
2328 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2329 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2330 if (negcon_linearity == 2)
2331 {
2332 if (negcon_twist_amplitude < 0.0)
2333 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2334 else
2335 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2336 }
2337 else if (negcon_linearity == 3)
2338 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2339 // >> Convert to final 'in_analog' integer value [0,255]
2340 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2341 // > NeGcon I + II
2342 // >> Handle right analog stick vertical axis mapping...
2343 // - Up (-Y) == accelerate == neGcon I
2344 // - Down (+Y) == brake == neGcon II
2345 negcon_i_rs = 0;
2346 negcon_ii_rs = 0;
2347 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2348 if (rsy >= 0)
2349 {
2350 // Account for deadzone
2351 // (Note: have never encountered a gamepad with significant differences
2352 // in deadzone between left/right analog sticks, so use the regular 'twist'
2353 // deadzone here)
2354 if (rsy > negcon_deadzone)
2355 rsy = rsy - negcon_deadzone;
2356 else
2357 rsy = 0;
2358 // Convert to 'in_analog' integer value [0,255]
2359 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2360 }
2361 else
2362 {
2363 if (rsy < -negcon_deadzone)
2364 rsy = -1 * (rsy + negcon_deadzone);
2365 else
2366 rsy = 0;
2367 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2368 }
2369 // >> NeGcon I
2370 in_analog_right[port][1] = MAX(
2371 MAX(
2372 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2373 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2374 negcon_i_rs);
2375 // >> NeGcon II
2376 in_analog_left[port][0] = MAX(
2377 MAX(
2378 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2379 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2380 negcon_ii_rs);
2381 // > NeGcon L
2382 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2383}
2384
2385static void update_input_mouse(int port, int ret)
2386{
2387 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2388 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2389
2390 int x = (int)roundf(raw_x * mouse_sensitivity);
2391 int y = (int)roundf(raw_y * mouse_sensitivity);
2392
2393 if (x > 127) x = 127;
2394 else if (x < -128) x = -128;
2395
2396 if (y > 127) y = 127;
2397 else if (y < -128) y = -128;
2398
2399 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2400 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2401
2402 /* left mouse button state */
2403 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2404 in_keystate[port] |= 1 << 11;
2405
2406 /* right mouse button state */
2407 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2408 in_keystate[port] |= 1 << 10;
2409}
2410
2411static void update_input(void)
2412{
2413 // reset all keystate, query libretro for keystate
2414 int i;
2415 int j;
2416
2417 for (i = 0; i < PORTS_NUMBER; i++)
2418 {
2419 int16_t ret = 0;
2420 int type = in_type[i];
2421
2422 in_keystate[i] = 0;
2423
2424 if (type == PSE_PAD_TYPE_NONE)
2425 continue;
2426
2427 if (libretro_supports_bitmasks)
2428 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2429 else
2430 {
2431 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2432 {
2433 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2434 ret |= (1 << j);
2435 }
2436 }
2437
2438 switch (type)
2439 {
2440 case PSE_PAD_TYPE_GUNCON:
2441 update_input_guncon(i, ret);
2442 break;
2443 case PSE_PAD_TYPE_NEGCON:
2444 update_input_negcon(i, ret);
2445 break;
2446 case PSE_PAD_TYPE_MOUSE:
2447 update_input_mouse(i, ret);
2448 break;
2449 default:
2450 // Query digital inputs
2451 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2452 if (ret & (1 << j))
2453 in_keystate[i] |= retro_psx_map[j];
2454
2455 // Query analog inputs
2456 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2457 {
2458 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);
2459 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);
2460 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);
2461 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);
2462 }
2463 }
2464 }
2465}
2466
2467static void print_internal_fps(void)
2468{
2469 if (display_internal_fps)
2470 {
2471 frame_count++;
2472
2473 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2474 {
2475 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2476 char str[64];
2477 const char *strc = (const char *)str;
2478
2479 str[0] = '\0';
2480
2481 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2482
2483 pl_rearmed_cbs.flip_cnt = 0;
2484
2485 if (msg_interface_version >= 1)
2486 {
2487 struct retro_message_ext msg = {
2488 strc,
2489 3000,
2490 1,
2491 RETRO_LOG_INFO,
2492 RETRO_MESSAGE_TARGET_OSD,
2493 RETRO_MESSAGE_TYPE_STATUS,
2494 -1
2495 };
2496 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2497 }
2498 else
2499 {
2500 struct retro_message msg = {
2501 strc,
2502 180
2503 };
2504 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2505 }
2506 }
2507 }
2508 else
2509 frame_count = 0;
2510}
2511
2512void retro_run(void)
2513{
2514 /* update multitap when inputs have changed */
2515 /* this is only applied on core restart */
2516 if (input_changed)
2517 {
2518 int i;
2519 input_changed = 0;
2520 update_multitap();
2521 for (i = 0; i < 8; i++)
2522 SysDLog("Player %d: %s\n", i + 1, get_pse_pad_label[in_type[i]]);
2523 SysDLog("Multiplayer 1: %s\n", multitap1 ? "enabled" : "disabled");
2524 SysDLog("Multiplayer 2: %s\n", multitap2 ? "enabled" : "disabled");
2525 }
2526
2527 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2528 if (rebootemu != 0)
2529 {
2530 rebootemu = 0;
2531 SysReset();
2532 if (!Config.HLE && !Config.SlowBoot)
2533 {
2534 // skip BIOS logos
2535 psxRegs.pc = psxRegs.GPR.n.ra;
2536 }
2537 return;
2538 }
2539
2540 print_internal_fps();
2541
2542 input_poll_cb();
2543
2544 update_input();
2545
2546 bool updated = false;
2547 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2548 update_variables(true);
2549
2550 stop = 0;
2551 psxCpu->Execute();
2552
2553 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2554 vout_width, vout_height, vout_width * 2);
2555 vout_fb_dirty = 0;
2556
2557 set_vout_fb();
2558}
2559
2560static bool try_use_bios(const char *path)
2561{
2562 FILE *f;
2563 long size;
2564 const char *name;
2565
2566 f = fopen(path, "rb");
2567 if (f == NULL)
2568 return false;
2569
2570 fseek(f, 0, SEEK_END);
2571 size = ftell(f);
2572 fclose(f);
2573
2574 if (size != 512 * 1024)
2575 return false;
2576
2577 name = strrchr(path, SLASH);
2578 if (name++ == NULL)
2579 name = path;
2580 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2581 return true;
2582}
2583
2584#ifndef VITA
2585#include <sys/types.h>
2586#include <dirent.h>
2587
2588static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2589{
2590 DIR *dir;
2591 struct dirent *ent;
2592 bool ret = false;
2593
2594 dir = opendir(dirpath);
2595 if (dir == NULL)
2596 return false;
2597
2598 while ((ent = readdir(dir)))
2599 {
2600 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2601 continue;
2602
2603 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2604 ret = try_use_bios(path);
2605 if (ret)
2606 break;
2607 }
2608 closedir(dir);
2609 return ret;
2610}
2611#else
2612#define find_any_bios(...) false
2613#endif
2614
2615static void check_system_specs(void)
2616{
2617 unsigned level = 6;
2618 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2619}
2620
2621static int init_memcards(void)
2622{
2623 int ret = 0;
2624 const char *dir;
2625 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
2626 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2627
2628 // Memcard2 will be handled and is re-enabled if needed using core
2629 // operations.
2630 // Memcard1 is handled by libretro, doing this will set core to
2631 // skip file io operations for memcard1 like SaveMcd
2632 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2633 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2634 init_memcard(Mcd1Data);
2635 // Memcard 2 is managed by the emulator on the filesystem,
2636 // There is no need to initialize Mcd2Data like Mcd1Data.
2637
2638 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2639 {
2640 SysPrintf("Memcard 2: %s\n", var.value);
2641 if (memcmp(var.value, "enabled", 7) == 0)
2642 {
2643 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
2644 {
2645 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
2646 {
2647 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2648 ret = -1;
2649 }
2650 else
2651 {
2652 McdDisable[1] = 0;
2653 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2654 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2655 }
2656 }
2657 else
2658 {
2659 SysPrintf("Could not get save directory! Could not create memcard 2.");
2660 ret = -1;
2661 }
2662 }
2663 }
2664 return ret;
2665}
2666
2667static void loadPSXBios(void)
2668{
2669 const char *dir;
2670 char path[PATH_MAX];
2671 unsigned useHLE = 0;
2672
2673 const char *bios[] = {
2674 "PSXONPSP660", "psxonpsp660",
2675 "SCPH101", "scph101",
2676 "SCPH5501", "scph5501",
2677 "SCPH7001", "scph7001",
2678 "SCPH1001", "scph1001"
2679 };
2680
2681 struct retro_variable var = {
2682 .key = "pcsx_rearmed_bios",
2683 .value = NULL
2684 };
2685
2686 found_bios = 0;
2687
2688 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2689 {
2690 if (!strcmp(var.value, "HLE"))
2691 useHLE = 1;
2692 }
2693
2694 if (!useHLE)
2695 {
2696 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2697 {
2698 unsigned i;
2699 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2700
2701 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
2702 {
2703 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2704 found_bios = try_use_bios(path);
2705 if (found_bios)
2706 break;
2707 }
2708
2709 if (!found_bios)
2710 found_bios = find_any_bios(dir, path, sizeof(path));
2711 }
2712 if (found_bios)
2713 {
2714 SysPrintf("found BIOS file: %s\n", Config.Bios);
2715 }
2716 }
2717
2718 if (useHLE || !found_bios)
2719 {
2720 const char *msg_str = "No PlayStation BIOS file found - add for better compatibility";
2721
2722 SysPrintf("no BIOS files found.\n");
2723
2724 if (msg_interface_version >= 1)
2725 {
2726 struct retro_message_ext msg = {
2727 msg_str,
2728 3000,
2729 3,
2730 RETRO_LOG_WARN,
2731 RETRO_MESSAGE_TARGET_ALL,
2732 RETRO_MESSAGE_TYPE_NOTIFICATION,
2733 -1
2734 };
2735 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2736 }
2737 else
2738 {
2739 struct retro_message msg = {
2740 msg_str,
2741 180
2742 };
2743 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2744 }
2745 }
2746}
2747
2748void retro_init(void)
2749{
2750 unsigned dci_version = 0;
2751 struct retro_rumble_interface rumble;
2752 int ret;
2753
2754 msg_interface_version = 0;
2755 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
2756
2757#ifdef __MACH__
2758 // magic sauce to make the dynarec work on iOS
2759 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2760#endif
2761
2762#ifdef _3DS
2763 psxMapHook = pl_3ds_mmap;
2764 psxUnmapHook = pl_3ds_munmap;
2765#endif
2766#ifdef VITA
2767 if (init_vita_mmap() < 0)
2768 abort();
2769 psxMapHook = pl_vita_mmap;
2770 psxUnmapHook = pl_vita_munmap;
2771#endif
2772 ret = emu_core_preinit();
2773#ifdef _3DS
2774 /* emu_core_preinit sets the cpu to dynarec */
2775 if (!__ctr_svchax)
2776 Config.Cpu = CPU_INTERPRETER;
2777#endif
2778 ret |= init_memcards();
2779
2780 ret |= emu_core_init();
2781 if (ret != 0)
2782 {
2783 SysPrintf("PCSX init failed.\n");
2784 exit(1);
2785 }
2786
2787#ifdef _3DS
2788 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2789#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
2790 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2791#else
2792 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2793#endif
2794
2795 vout_buf_ptr = vout_buf;
2796
2797 loadPSXBios();
2798
2799 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2800
2801 disk_initial_index = 0;
2802 disk_initial_path[0] = '\0';
2803 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2804 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2805 else
2806 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2807
2808 rumble_cb = NULL;
2809 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2810 rumble_cb = rumble.set_rumble_state;
2811
2812 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2813 * we have to do this because cache misses and some IO penalties
2814 * are not emulated. Warning: changing this may break compatibility. */
2815 cycle_multiplier = 175;
2816#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
2817 cycle_multiplier = 200;
2818#endif
2819 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2820 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2821 spu_config.iUseFixedUpdates = 1;
2822
2823 SaveFuncs.open = save_open;
2824 SaveFuncs.read = save_read;
2825 SaveFuncs.write = save_write;
2826 SaveFuncs.seek = save_seek;
2827 SaveFuncs.close = save_close;
2828
2829 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2830 libretro_supports_bitmasks = true;
2831
2832 check_system_specs();
2833}
2834
2835void retro_deinit(void)
2836{
2837 if (plugins_opened)
2838 {
2839 ClosePlugins();
2840 plugins_opened = 0;
2841 }
2842 SysClose();
2843#ifdef _3DS
2844 linearFree(vout_buf);
2845#else
2846 free(vout_buf);
2847#endif
2848 vout_buf = NULL;
2849
2850#ifdef VITA
2851 deinit_vita_mmap();
2852#endif
2853 libretro_supports_bitmasks = false;
2854
2855 /* Have to reset disks struct, otherwise
2856 * fnames/flabels will leak memory */
2857 disk_init();
2858}
2859
2860#ifdef VITA
2861#include <psp2/kernel/threadmgr.h>
2862int usleep(unsigned long us)
2863{
2864 sceKernelDelayThread(us);
2865}
2866#endif
2867
2868void SysPrintf(const char *fmt, ...)
2869{
2870 va_list list;
2871 char msg[512];
2872
2873 va_start(list, fmt);
2874 vsprintf(msg, fmt, list);
2875 va_end(list);
2876
2877 if (log_cb)
2878 log_cb(RETRO_LOG_INFO, "%s", msg);
2879}
2880
2881/* Prints debug-level logs */
2882void SysDLog(const char *fmt, ...)
2883{
2884 va_list list;
2885 char msg[512];
2886
2887 va_start(list, fmt);
2888 vsprintf(msg, fmt, list);
2889 va_end(list);
2890
2891 if (log_cb)
2892 log_cb(RETRO_LOG_DEBUG, "%s", msg);
2893}
ARM optimized PCSX fork