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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 <compat/fopen_utf8.h>
43#include "libretro_core_options.h"
44
45#ifdef _3DS
46#include "3ds/3ds_utils.h"
47#endif
48
49#define PORTS_NUMBER 8
50
51#ifndef MIN
52#define MIN(a, b) ((a) < (b) ? (a) : (b))
53#endif
54
55#ifndef MAX
56#define MAX(a, b) ((a) > (b) ? (a) : (b))
57#endif
58
59#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
60
61#define INTERNAL_FPS_SAMPLE_PERIOD 64
62
63//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
64static int rebootemu = 0;
65
66static retro_video_refresh_t video_cb;
67static retro_input_poll_t input_poll_cb;
68static retro_input_state_t input_state_cb;
69static retro_environment_t environ_cb;
70static retro_audio_sample_batch_t audio_batch_cb;
71static retro_set_rumble_state_t rumble_cb;
72static struct retro_log_callback logging;
73static retro_log_printf_t log_cb;
74
75static unsigned msg_interface_version = 0;
76
77static void *vout_buf;
78static void *vout_buf_ptr;
79static int vout_width, vout_height;
80static int vout_doffs_old, vout_fb_dirty;
81static bool vout_can_dupe;
82static bool duping_enable;
83static bool found_bios;
84static bool display_internal_fps = false;
85static unsigned frame_count = 0;
86static bool libretro_supports_bitmasks = false;
87#ifdef GPU_PEOPS
88static int show_advanced_gpu_peops_settings = -1;
89#endif
90#ifdef GPU_UNAI
91static int show_advanced_gpu_unai_settings = -1;
92#endif
93static int show_other_input_settings = -1;
94static float mouse_sensitivity = 1.0f;
95
96static unsigned previous_width = 0;
97static unsigned previous_height = 0;
98
99static int plugins_opened;
100static int is_pal_mode;
101
102/* memory card data */
103extern char Mcd1Data[MCD_SIZE];
104extern char Mcd2Data[MCD_SIZE];
105extern char McdDisable[2];
106
107/* PCSX ReARMed core calls and stuff */
108int in_type[8] = {
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 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE
113};
114int in_analog_left[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
115int in_analog_right[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
116unsigned short in_keystate[PORTS_NUMBER];
117int in_mouse[8][2];
118int multitap1 = 0;
119int multitap2 = 0;
120int in_enable_vibration = 1;
121static int input_changed = 0;
122
123// NegCon adjustment parameters
124// > The NegCon 'twist' action is somewhat awkward when mapped
125// to a standard analog stick -> user should be able to tweak
126// response/deadzone for comfort
127// > When response is linear, 'additional' deadzone (set here)
128// may be left at zero, since this is normally handled via in-game
129// options menus
130// > When response is non-linear, deadzone should be set to match the
131// controller being used (otherwise precision may be lost)
132// > negcon_linearity:
133// - 1: Response is linear - recommended when using racing wheel
134// peripherals, not recommended for standard gamepads
135// - 2: Response is quadratic - optimal setting for gamepads
136// - 3: Response is cubic - enables precise fine control, but
137// difficult to use...
138#define NEGCON_RANGE 0x7FFF
139static int negcon_deadzone = 0;
140static int negcon_linearity = 1;
141
142static bool axis_bounds_modifier;
143
144/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
145#define VOUT_MAX_WIDTH 1024
146#define VOUT_MAX_HEIGHT 512
147
148//Dummy functions
149bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) { return false; }
150void retro_unload_game(void) {}
151static int vout_open(void) { return 0; }
152static void vout_close(void) {}
153static int snd_init(void) { return 0; }
154static void snd_finish(void) {}
155static int snd_busy(void) { return 0; }
156
157#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
158#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
159#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
160#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
161#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
162#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
163#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
164#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
165#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
166
167static void init_memcard(char *mcd_data)
168{
169 unsigned off = 0;
170 unsigned i;
171
172 memset(mcd_data, 0, MCD_SIZE);
173
174 mcd_data[off++] = 'M';
175 mcd_data[off++] = 'C';
176 off += 0x7d;
177 mcd_data[off++] = 0x0e;
178
179 for (i = 0; i < 15; i++)
180 {
181 mcd_data[off++] = 0xa0;
182 off += 0x07;
183 mcd_data[off++] = 0xff;
184 mcd_data[off++] = 0xff;
185 off += 0x75;
186 mcd_data[off++] = 0xa0;
187 }
188
189 for (i = 0; i < 20; i++)
190 {
191 mcd_data[off++] = 0xff;
192 mcd_data[off++] = 0xff;
193 mcd_data[off++] = 0xff;
194 mcd_data[off++] = 0xff;
195 off += 0x04;
196 mcd_data[off++] = 0xff;
197 mcd_data[off++] = 0xff;
198 off += 0x76;
199 }
200}
201
202static void set_vout_fb()
203{
204 struct retro_framebuffer fb = { 0 };
205
206 fb.width = vout_width;
207 fb.height = vout_height;
208 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
209
210 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
211 vout_buf_ptr = (uint16_t *)fb.data;
212 else
213 vout_buf_ptr = vout_buf;
214}
215
216static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
217{
218 vout_width = w;
219 vout_height = h;
220
221 if (previous_width != vout_width || previous_height != vout_height)
222 {
223 previous_width = vout_width;
224 previous_height = vout_height;
225
226 struct retro_system_av_info info;
227 retro_get_system_av_info(&info);
228 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
229 }
230
231 set_vout_fb();
232}
233
234#ifndef FRONTEND_SUPPORTS_RGB565
235static void convert(void *buf, size_t bytes)
236{
237 unsigned int i, v, *p = buf;
238
239 for (i = 0; i < bytes / 4; i++)
240 {
241 v = p[i];
242 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
243 }
244}
245#endif
246
247static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
248{
249 unsigned short *dest = vout_buf_ptr;
250 const unsigned short *src = vram;
251 int dstride = vout_width, h1 = h;
252 int doffs;
253
254 if (vram == NULL)
255 {
256 // blanking
257 memset(vout_buf_ptr, 0, dstride * h * 2);
258 goto out;
259 }
260
261 doffs = (vout_height - h) * dstride;
262 doffs += (dstride - w) / 2 & ~1;
263 if (doffs != vout_doffs_old)
264 {
265 // clear borders
266 memset(vout_buf_ptr, 0, dstride * h * 2);
267 vout_doffs_old = doffs;
268 }
269 dest += doffs;
270
271 if (bgr24)
272 {
273 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
274 for (; h1-- > 0; dest += dstride, src += stride)
275 {
276 bgr888_to_rgb565(dest, src, w * 3);
277 }
278 }
279 else
280 {
281 for (; h1-- > 0; dest += dstride, src += stride)
282 {
283 bgr555_to_rgb565(dest, src, w * 2);
284 }
285 }
286
287out:
288#ifndef FRONTEND_SUPPORTS_RGB565
289 convert(vout_buf_ptr, vout_width * vout_height * 2);
290#endif
291 vout_fb_dirty = 1;
292 pl_rearmed_cbs.flip_cnt++;
293}
294
295#ifdef _3DS
296typedef struct
297{
298 void *buffer;
299 uint32_t target_map;
300 size_t size;
301 enum psxMapTag tag;
302} psx_map_t;
303
304psx_map_t custom_psx_maps[] = {
305 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
306 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
307 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
308 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
309 { NULL, 0x12000000, 0x200000, MAP_TAG_VRAM }, // 0x00000000
310};
311
312void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
313 enum psxMapTag tag)
314{
315 (void)is_fixed;
316 (void)addr;
317
318 if (__ctr_svchax)
319 {
320 psx_map_t *custom_map = custom_psx_maps;
321
322 for (; custom_map->size; custom_map++)
323 {
324 if ((custom_map->size == size) && (custom_map->tag == tag))
325 {
326 uint32_t ptr_aligned, tmp;
327
328 custom_map->buffer = malloc(size + 0x1000);
329 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
330
331 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
332 {
333 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
334 exit(1);
335 }
336
337 return (void *)custom_map->target_map;
338 }
339 }
340 }
341
342 return malloc(size);
343}
344
345void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
346{
347 (void)tag;
348
349 if (__ctr_svchax)
350 {
351 psx_map_t *custom_map = custom_psx_maps;
352
353 for (; custom_map->size; custom_map++)
354 {
355 if ((custom_map->target_map == (uint32_t)ptr))
356 {
357 uint32_t ptr_aligned, tmp;
358
359 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
360
361 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
362
363 free(custom_map->buffer);
364 custom_map->buffer = NULL;
365 return;
366 }
367 }
368 }
369
370 free(ptr);
371}
372#endif
373
374#ifdef VITA
375typedef struct
376{
377 void *buffer;
378 uint32_t target_map;
379 size_t size;
380 enum psxMapTag tag;
381} psx_map_t;
382
383void *addr = NULL;
384
385psx_map_t custom_psx_maps[] = {
386 { NULL, NULL, 0x210000, MAP_TAG_RAM }, // 0x80000000
387 { NULL, NULL, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
388 { NULL, NULL, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
389 { NULL, NULL, 0x800000, MAP_TAG_LUTS }, // 0x08000000
390 { NULL, NULL, 0x200000, MAP_TAG_VRAM }, // 0x00000000
391};
392
393int init_vita_mmap()
394{
395 int n;
396 void *tmpaddr;
397 addr = malloc(64 * 1024 * 1024);
398 if (addr == NULL)
399 return -1;
400 tmpaddr = ((u32)(addr + 0xFFFFFF)) & ~0xFFFFFF;
401 custom_psx_maps[0].buffer = tmpaddr + 0x2000000;
402 custom_psx_maps[1].buffer = tmpaddr + 0x1800000;
403 custom_psx_maps[2].buffer = tmpaddr + 0x1c00000;
404 custom_psx_maps[3].buffer = tmpaddr + 0x0000000;
405 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
406#if 0
407 for(n = 0; n < 5; n++){
408 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
409 }
410#endif
411 return 0;
412}
413
414void deinit_vita_mmap()
415{
416 free(addr);
417}
418
419void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
420 enum psxMapTag tag)
421{
422 (void)is_fixed;
423 (void)addr;
424
425 psx_map_t *custom_map = custom_psx_maps;
426
427 for (; custom_map->size; custom_map++)
428 {
429 if ((custom_map->size == size) && (custom_map->tag == tag))
430 {
431 return custom_map->buffer;
432 }
433 }
434
435 return malloc(size);
436}
437
438void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
439{
440 (void)tag;
441
442 psx_map_t *custom_map = custom_psx_maps;
443
444 for (; custom_map->size; custom_map++)
445 {
446 if ((custom_map->buffer == ptr))
447 {
448 return;
449 }
450 }
451
452 free(ptr);
453}
454#endif
455
456static void *pl_mmap(unsigned int size)
457{
458 return psxMap(0, size, 0, MAP_TAG_VRAM);
459}
460
461static void pl_munmap(void *ptr, unsigned int size)
462{
463 psxUnmap(ptr, size, MAP_TAG_VRAM);
464}
465
466struct rearmed_cbs pl_rearmed_cbs = {
467 .pl_vout_open = vout_open,
468 .pl_vout_set_mode = vout_set_mode,
469 .pl_vout_flip = vout_flip,
470 .pl_vout_close = vout_close,
471 .mmap = pl_mmap,
472 .munmap = pl_munmap,
473 /* from psxcounters */
474 .gpu_hcnt = &hSyncCount,
475 .gpu_frame_count = &frame_counter,
476};
477
478void pl_frame_limit(void)
479{
480 /* called once per frame, make psxCpu->Execute() above return */
481 stop = 1;
482}
483
484void pl_timing_prepare(int is_pal)
485{
486 is_pal_mode = is_pal;
487}
488
489void plat_trigger_vibrate(int pad, int low, int high)
490{
491 if (!rumble_cb)
492 return;
493
494 if (in_enable_vibration)
495 {
496 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
497 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
498 }
499}
500
501void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
502{
503}
504
505/* sound calls */
506static void snd_feed(void *buf, int bytes)
507{
508 if (audio_batch_cb != NULL)
509 audio_batch_cb(buf, bytes / 4);
510}
511
512void out_register_libretro(struct out_driver *drv)
513{
514 drv->name = "libretro";
515 drv->init = snd_init;
516 drv->finish = snd_finish;
517 drv->busy = snd_busy;
518 drv->feed = snd_feed;
519}
520
521#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
522#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
523#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
524#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
525#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
526#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
527
528static char *get_pse_pad_label[] = {
529 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
530};
531
532static const struct retro_controller_description pads[7] =
533{
534 { "standard", RETRO_DEVICE_JOYPAD },
535 { "analog", RETRO_DEVICE_PSE_ANALOG },
536 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
537 { "negcon", RETRO_DEVICE_PSE_NEGCON },
538 { "guncon", RETRO_DEVICE_PSE_GUNCON },
539 { "mouse", RETRO_DEVICE_PSE_MOUSE },
540 { NULL, 0 },
541};
542
543static const struct retro_controller_info ports[9] =
544{
545 { pads, 7 },
546 { pads, 7 },
547 { pads, 7 },
548 { pads, 7 },
549 { pads, 7 },
550 { pads, 7 },
551 { pads, 7 },
552 { pads, 7 },
553 { NULL, 0 },
554};
555
556/* libretro */
557void retro_set_environment(retro_environment_t cb)
558{
559 environ_cb = cb;
560
561 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
562 log_cb = logging.log;
563
564 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
565 libretro_set_core_options(environ_cb);
566}
567
568void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
569void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
570void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
571void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
572void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
573
574unsigned retro_api_version(void)
575{
576 return RETRO_API_VERSION;
577}
578
579static void update_multitap(void)
580{
581 struct retro_variable var;
582 int auto_case, port;
583
584 var.value = NULL;
585 var.key = "pcsx_rearmed_multitap1";
586 auto_case = 0;
587 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
588 {
589 if (strcmp(var.value, "enabled") == 0)
590 multitap1 = 1;
591 else if (strcmp(var.value, "disabled") == 0)
592 multitap1 = 0;
593 else if (strcmp(var.value, "automatic") == 0)
594 auto_case = 1;
595 }
596 else
597 multitap1 = 0;
598
599 if (auto_case)
600 {
601 // If a gamepad is plugged after port 2, we need a first multitap.
602 multitap1 = 0;
603 for (port = 2; port < PORTS_NUMBER; port++)
604 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
605 }
606
607 var.value = NULL;
608 var.key = "pcsx_rearmed_multitap2";
609 auto_case = 0;
610 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
611 {
612 if (strcmp(var.value, "enabled") == 0)
613 multitap2 = 1;
614 else if (strcmp(var.value, "disabled") == 0)
615 multitap2 = 0;
616 else if (strcmp(var.value, "automatic") == 0)
617 auto_case = 1;
618 }
619 else
620 multitap2 = 0;
621
622 if (auto_case)
623 {
624 // If a gamepad is plugged after port 4, we need a second multitap.
625 multitap2 = 0;
626 for (port = 4; port < PORTS_NUMBER; port++)
627 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
628 }
629}
630
631void retro_set_controller_port_device(unsigned port, unsigned device)
632{
633 if (port >= PORTS_NUMBER)
634 return;
635
636 switch (device)
637 {
638 case RETRO_DEVICE_JOYPAD:
639 case RETRO_DEVICE_PSE_STANDARD:
640 in_type[port] = PSE_PAD_TYPE_STANDARD;
641 break;
642 case RETRO_DEVICE_PSE_ANALOG:
643 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
644 break;
645 case RETRO_DEVICE_PSE_DUALSHOCK:
646 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
647 break;
648 case RETRO_DEVICE_PSE_MOUSE:
649 in_type[port] = PSE_PAD_TYPE_MOUSE;
650 break;
651 case RETRO_DEVICE_PSE_NEGCON:
652 in_type[port] = PSE_PAD_TYPE_NEGCON;
653 break;
654 case RETRO_DEVICE_PSE_GUNCON:
655 in_type[port] = PSE_PAD_TYPE_GUNCON;
656 break;
657 case RETRO_DEVICE_NONE:
658 default:
659 in_type[port] = PSE_PAD_TYPE_NONE;
660 break;
661 }
662
663 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
664}
665
666void retro_get_system_info(struct retro_system_info *info)
667{
668#ifndef GIT_VERSION
669#define GIT_VERSION ""
670#endif
671 memset(info, 0, sizeof(*info));
672 info->library_name = "PCSX-ReARMed";
673 info->library_version = "r22" GIT_VERSION;
674 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
675 info->need_fullpath = true;
676}
677
678void retro_get_system_av_info(struct retro_system_av_info *info)
679{
680 unsigned geom_height = vout_height > 0 ? vout_height : 240;
681 unsigned geom_width = vout_width > 0 ? vout_width : 320;
682
683 memset(info, 0, sizeof(*info));
684 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
685 info->timing.sample_rate = 44100.0;
686 info->geometry.base_width = geom_width;
687 info->geometry.base_height = geom_height;
688 info->geometry.max_width = VOUT_MAX_WIDTH;
689 info->geometry.max_height = VOUT_MAX_HEIGHT;
690 info->geometry.aspect_ratio = 4.0 / 3.0;
691}
692
693/* savestates */
694size_t retro_serialize_size(void)
695{
696 // it's currently 4380651-4397047 bytes,
697 // but have some reserved for future
698 return 0x440000;
699}
700
701struct save_fp
702{
703 char *buf;
704 size_t pos;
705 int is_write;
706};
707
708static void *save_open(const char *name, const char *mode)
709{
710 struct save_fp *fp;
711
712 if (name == NULL || mode == NULL)
713 return NULL;
714
715 fp = malloc(sizeof(*fp));
716 if (fp == NULL)
717 return NULL;
718
719 fp->buf = (char *)name;
720 fp->pos = 0;
721 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
722
723 return fp;
724}
725
726static int save_read(void *file, void *buf, u32 len)
727{
728 struct save_fp *fp = file;
729 if (fp == NULL || buf == NULL)
730 return -1;
731
732 memcpy(buf, fp->buf + fp->pos, len);
733 fp->pos += len;
734 return len;
735}
736
737static int save_write(void *file, const void *buf, u32 len)
738{
739 struct save_fp *fp = file;
740 if (fp == NULL || buf == NULL)
741 return -1;
742
743 memcpy(fp->buf + fp->pos, buf, len);
744 fp->pos += len;
745 return len;
746}
747
748static long save_seek(void *file, long offs, int whence)
749{
750 struct save_fp *fp = file;
751 if (fp == NULL)
752 return -1;
753
754 switch (whence)
755 {
756 case SEEK_CUR:
757 fp->pos += offs;
758 return fp->pos;
759 case SEEK_SET:
760 fp->pos = offs;
761 return fp->pos;
762 default:
763 return -1;
764 }
765}
766
767static void save_close(void *file)
768{
769 struct save_fp *fp = file;
770 size_t r_size = retro_serialize_size();
771 if (fp == NULL)
772 return;
773
774 if (fp->pos > r_size)
775 SysPrintf("ERROR: save buffer overflow detected\n");
776 else if (fp->is_write && fp->pos < r_size)
777 // make sure we don't save trash in leftover space
778 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
779 free(fp);
780}
781
782bool retro_serialize(void *data, size_t size)
783{
784 int ret = SaveState(data);
785 return ret == 0 ? true : false;
786}
787
788bool retro_unserialize(const void *data, size_t size)
789{
790 int ret = LoadState(data);
791 return ret == 0 ? true : false;
792}
793
794/* cheats */
795void retro_cheat_reset(void)
796{
797 ClearAllCheats();
798}
799
800void retro_cheat_set(unsigned index, bool enabled, const char *code)
801{
802 char buf[256];
803 int ret;
804
805 // cheat funcs are destructive, need a copy..
806 strncpy(buf, code, sizeof(buf));
807 buf[sizeof(buf) - 1] = 0;
808
809 //Prepare buffered cheat for PCSX's AddCheat fucntion.
810 int cursor = 0;
811 int nonhexdec = 0;
812 while (buf[cursor])
813 {
814 if (!(ISHEXDEC))
815 {
816 if (++nonhexdec % 2)
817 {
818 buf[cursor] = ' ';
819 }
820 else
821 {
822 buf[cursor] = '\n';
823 }
824 }
825 cursor++;
826 }
827
828 if (index < NumCheats)
829 ret = EditCheat(index, "", buf);
830 else
831 ret = AddCheat("", buf);
832
833 if (ret != 0)
834 SysPrintf("Failed to set cheat %#u\n", index);
835 else if (index < NumCheats)
836 Cheats[index].Enabled = enabled;
837}
838
839// just in case, maybe a win-rt port in the future?
840#ifdef _WIN32
841#define SLASH '\\'
842#else
843#define SLASH '/'
844#endif
845
846#ifndef PATH_MAX
847#define PATH_MAX 4096
848#endif
849
850/* multidisk support */
851static unsigned int disk_initial_index;
852static char disk_initial_path[PATH_MAX];
853static bool disk_ejected;
854static unsigned int disk_current_index;
855static unsigned int disk_count;
856static struct disks_state
857{
858 char *fname;
859 char *flabel;
860 int internal_index; // for multidisk eboots
861} disks[8];
862
863static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
864{
865 const char *base = NULL;
866
867 if (!disk_path || (*disk_path == '\0'))
868 return;
869
870 base = strrchr(disk_path, SLASH);
871 if (!base)
872 base = disk_path;
873
874 if (*base == SLASH)
875 base++;
876
877 strncpy(disk_label, base, len - 1);
878 disk_label[len - 1] = '\0';
879
880 char *ext = strrchr(disk_label, '.');
881 if (ext)
882 *ext = '\0';
883}
884
885static void disk_init(void)
886{
887 size_t i;
888
889 disk_ejected = false;
890 disk_current_index = 0;
891 disk_count = 0;
892
893 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
894 {
895 if (disks[i].fname != NULL)
896 {
897 free(disks[i].fname);
898 disks[i].fname = NULL;
899 }
900 if (disks[i].flabel != NULL)
901 {
902 free(disks[i].flabel);
903 disks[i].flabel = NULL;
904 }
905 disks[i].internal_index = 0;
906 }
907}
908
909static bool disk_set_eject_state(bool ejected)
910{
911 // weird PCSX API..
912 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
913 LidInterrupt();
914
915 disk_ejected = ejected;
916 return true;
917}
918
919static bool disk_get_eject_state(void)
920{
921 /* can't be controlled by emulated software */
922 return disk_ejected;
923}
924
925static unsigned int disk_get_image_index(void)
926{
927 return disk_current_index;
928}
929
930static bool disk_set_image_index(unsigned int index)
931{
932 if (index >= sizeof(disks) / sizeof(disks[0]))
933 return false;
934
935 CdromId[0] = '\0';
936 CdromLabel[0] = '\0';
937
938 if (disks[index].fname == NULL)
939 {
940 SysPrintf("missing disk #%u\n", index);
941 CDR_shutdown();
942
943 // RetroArch specifies "no disk" with index == count,
944 // so don't fail here..
945 disk_current_index = index;
946 return true;
947 }
948
949 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
950 disks[index].fname, disks[index].internal_index);
951
952 cdrIsoMultidiskSelect = disks[index].internal_index;
953 set_cd_image(disks[index].fname);
954 if (ReloadCdromPlugin() < 0)
955 {
956 SysPrintf("failed to load cdr plugin\n");
957 return false;
958 }
959 if (CDR_open() < 0)
960 {
961 SysPrintf("failed to open cdr plugin\n");
962 return false;
963 }
964
965 if (!disk_ejected)
966 {
967 SetCdOpenCaseTime(time(NULL) + 2);
968 LidInterrupt();
969 }
970
971 disk_current_index = index;
972 return true;
973}
974
975static unsigned int disk_get_num_images(void)
976{
977 return disk_count;
978}
979
980static bool disk_replace_image_index(unsigned index,
981 const struct retro_game_info *info)
982{
983 char *old_fname = NULL;
984 char *old_flabel = NULL;
985 bool ret = true;
986
987 if (index >= sizeof(disks) / sizeof(disks[0]))
988 return false;
989
990 old_fname = disks[index].fname;
991 old_flabel = disks[index].flabel;
992
993 disks[index].fname = NULL;
994 disks[index].flabel = NULL;
995 disks[index].internal_index = 0;
996
997 if (info != NULL)
998 {
999 char disk_label[PATH_MAX];
1000 disk_label[0] = '\0';
1001
1002 disks[index].fname = strdup(info->path);
1003
1004 get_disk_label(disk_label, info->path, PATH_MAX);
1005 disks[index].flabel = strdup(disk_label);
1006
1007 if (index == disk_current_index)
1008 ret = disk_set_image_index(index);
1009 }
1010
1011 if (old_fname != NULL)
1012 free(old_fname);
1013
1014 if (old_flabel != NULL)
1015 free(old_flabel);
1016
1017 return ret;
1018}
1019
1020static bool disk_add_image_index(void)
1021{
1022 if (disk_count >= 8)
1023 return false;
1024
1025 disk_count++;
1026 return true;
1027}
1028
1029static bool disk_set_initial_image(unsigned index, const char *path)
1030{
1031 if (index >= sizeof(disks) / sizeof(disks[0]))
1032 return false;
1033
1034 if (!path || (*path == '\0'))
1035 return false;
1036
1037 disk_initial_index = index;
1038
1039 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1040 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1041
1042 return true;
1043}
1044
1045static bool disk_get_image_path(unsigned index, char *path, size_t len)
1046{
1047 const char *fname = NULL;
1048
1049 if (len < 1)
1050 return false;
1051
1052 if (index >= sizeof(disks) / sizeof(disks[0]))
1053 return false;
1054
1055 fname = disks[index].fname;
1056
1057 if (!fname || (*fname == '\0'))
1058 return false;
1059
1060 strncpy(path, fname, len - 1);
1061 path[len - 1] = '\0';
1062
1063 return true;
1064}
1065
1066static bool disk_get_image_label(unsigned index, char *label, size_t len)
1067{
1068 const char *flabel = NULL;
1069
1070 if (len < 1)
1071 return false;
1072
1073 if (index >= sizeof(disks) / sizeof(disks[0]))
1074 return false;
1075
1076 flabel = disks[index].flabel;
1077
1078 if (!flabel || (*flabel == '\0'))
1079 return false;
1080
1081 strncpy(label, flabel, len - 1);
1082 label[len - 1] = '\0';
1083
1084 return true;
1085}
1086
1087static struct retro_disk_control_callback disk_control = {
1088 .set_eject_state = disk_set_eject_state,
1089 .get_eject_state = disk_get_eject_state,
1090 .get_image_index = disk_get_image_index,
1091 .set_image_index = disk_set_image_index,
1092 .get_num_images = disk_get_num_images,
1093 .replace_image_index = disk_replace_image_index,
1094 .add_image_index = disk_add_image_index,
1095};
1096
1097static struct retro_disk_control_ext_callback disk_control_ext = {
1098 .set_eject_state = disk_set_eject_state,
1099 .get_eject_state = disk_get_eject_state,
1100 .get_image_index = disk_get_image_index,
1101 .set_image_index = disk_set_image_index,
1102 .get_num_images = disk_get_num_images,
1103 .replace_image_index = disk_replace_image_index,
1104 .add_image_index = disk_add_image_index,
1105 .set_initial_image = disk_set_initial_image,
1106 .get_image_path = disk_get_image_path,
1107 .get_image_label = disk_get_image_label,
1108};
1109
1110static char base_dir[1024];
1111
1112static bool read_m3u(const char *file)
1113{
1114 char line[1024];
1115 char name[PATH_MAX];
1116 FILE *f = fopen_utf8(file, "r");
1117 if (!f)
1118 return false;
1119
1120 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0]))
1121 {
1122 if (line[0] == '#')
1123 continue;
1124 char *carrige_return = strchr(line, '\r');
1125 if (carrige_return)
1126 *carrige_return = '\0';
1127 char *newline = strchr(line, '\n');
1128 if (newline)
1129 *newline = '\0';
1130
1131 if (line[0] != '\0')
1132 {
1133 char disk_label[PATH_MAX];
1134 disk_label[0] = '\0';
1135
1136 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1137 disks[disk_count].fname = strdup(name);
1138
1139 get_disk_label(disk_label, name, PATH_MAX);
1140 disks[disk_count].flabel = strdup(disk_label);
1141
1142 disk_count++;
1143 }
1144 }
1145
1146 fclose(f);
1147 return (disk_count != 0);
1148}
1149
1150static void extract_directory(char *buf, const char *path, size_t size)
1151{
1152 char *base;
1153 strncpy(buf, path, size - 1);
1154 buf[size - 1] = '\0';
1155
1156 base = strrchr(buf, '/');
1157 if (!base)
1158 base = strrchr(buf, '\\');
1159
1160 if (base)
1161 *base = '\0';
1162 else
1163 {
1164 buf[0] = '.';
1165 buf[1] = '\0';
1166 }
1167}
1168
1169#if defined(__QNX__) || defined(_WIN32)
1170/* Blackberry QNX doesn't have strcasestr */
1171
1172/*
1173 * Find the first occurrence of find in s, ignore case.
1174 */
1175char *
1176strcasestr(const char *s, const char *find)
1177{
1178 char c, sc;
1179 size_t len;
1180
1181 if ((c = *find++) != 0)
1182 {
1183 c = tolower((unsigned char)c);
1184 len = strlen(find);
1185 do
1186 {
1187 do
1188 {
1189 if ((sc = *s++) == 0)
1190 return (NULL);
1191 } while ((char)tolower((unsigned char)sc) != c);
1192 } while (strncasecmp(s, find, len) != 0);
1193 s--;
1194 }
1195 return ((char *)s);
1196}
1197#endif
1198
1199static void set_retro_memmap(void)
1200{
1201#ifndef NDEBUG
1202 struct retro_memory_map retromap = { 0 };
1203 struct retro_memory_descriptor mmap = {
1204 0, psxM, 0, 0, 0, 0, 0x200000
1205 };
1206
1207 retromap.descriptors = &mmap;
1208 retromap.num_descriptors = 1;
1209
1210 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1211#endif
1212}
1213
1214static void update_variables(bool in_flight);
1215bool retro_load_game(const struct retro_game_info *info)
1216{
1217 size_t i;
1218 unsigned int cd_index = 0;
1219 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1220
1221 struct retro_input_descriptor desc[] = {
1222#define JOYP(port) \
1223 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1224 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1225 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1226 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1227 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1228 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1229 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1230 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1231 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1232 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1233 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1234 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1235 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1236 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1237 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1238 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1239 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1240 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1241 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1242 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1243
1244 JOYP(0)
1245 JOYP(1)
1246 JOYP(2)
1247 JOYP(3)
1248 JOYP(4)
1249 JOYP(5)
1250 JOYP(6)
1251 JOYP(7)
1252
1253 { 0 },
1254 };
1255
1256 frame_count = 0;
1257
1258 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1259
1260#ifdef FRONTEND_SUPPORTS_RGB565
1261 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1262 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1263 {
1264 SysPrintf("RGB565 supported, using it\n");
1265 }
1266#endif
1267
1268 if (info == NULL || info->path == NULL)
1269 {
1270 SysPrintf("info->path required\n");
1271 return false;
1272 }
1273
1274 update_variables(false);
1275
1276 if (plugins_opened)
1277 {
1278 ClosePlugins();
1279 plugins_opened = 0;
1280 }
1281
1282 disk_init();
1283
1284 extract_directory(base_dir, info->path, sizeof(base_dir));
1285
1286 if (is_m3u)
1287 {
1288 if (!read_m3u(info->path))
1289 {
1290 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1291 return false;
1292 }
1293 }
1294 else
1295 {
1296 char disk_label[PATH_MAX];
1297 disk_label[0] = '\0';
1298
1299 disk_count = 1;
1300 disks[0].fname = strdup(info->path);
1301
1302 get_disk_label(disk_label, info->path, PATH_MAX);
1303 disks[0].flabel = strdup(disk_label);
1304 }
1305
1306 /* If this is an M3U file, attempt to set the
1307 * initial disk image */
1308 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1309 {
1310 const char *fname = disks[disk_initial_index].fname;
1311
1312 if (fname && (*fname != '\0'))
1313 if (strcmp(disk_initial_path, fname) == 0)
1314 cd_index = disk_initial_index;
1315 }
1316
1317 set_cd_image(disks[cd_index].fname);
1318 disk_current_index = cd_index;
1319
1320 /* have to reload after set_cd_image for correct cdr plugin */
1321 if (LoadPlugins() == -1)
1322 {
1323 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1324 return false;
1325 }
1326
1327 plugins_opened = 1;
1328 NetOpened = 0;
1329
1330 if (OpenPlugins() == -1)
1331 {
1332 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1333 return false;
1334 }
1335
1336 /* Handle multi-disk images (i.e. PBP)
1337 * > Cannot do this until after OpenPlugins() is
1338 * called (since this sets the value of
1339 * cdrIsoMultidiskCount) */
1340 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1341 {
1342 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1343
1344 /* Small annoyance: We need to change the label
1345 * of disk 0, so have to clear existing entries */
1346 if (disks[0].fname != NULL)
1347 free(disks[0].fname);
1348 disks[0].fname = NULL;
1349
1350 if (disks[0].flabel != NULL)
1351 free(disks[0].flabel);
1352 disks[0].flabel = NULL;
1353
1354 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1355 {
1356 char disk_name[PATH_MAX];
1357 char disk_label[PATH_MAX];
1358 disk_name[0] = '\0';
1359 disk_label[0] = '\0';
1360
1361 disks[i].fname = strdup(info->path);
1362
1363 get_disk_label(disk_name, info->path, PATH_MAX);
1364 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1365 disks[i].flabel = strdup(disk_label);
1366
1367 disks[i].internal_index = i;
1368 }
1369
1370 /* This is not an M3U file, so initial disk
1371 * image has not yet been set - attempt to
1372 * do so now */
1373 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1374 {
1375 const char *fname = disks[disk_initial_index].fname;
1376
1377 if (fname && (*fname != '\0'))
1378 if (strcmp(disk_initial_path, fname) == 0)
1379 cd_index = disk_initial_index;
1380 }
1381
1382 if (cd_index > 0)
1383 {
1384 CdromId[0] = '\0';
1385 CdromLabel[0] = '\0';
1386
1387 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1388 disk_current_index = cd_index;
1389 set_cd_image(disks[cd_index].fname);
1390
1391 if (ReloadCdromPlugin() < 0)
1392 {
1393 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1394 return false;
1395 }
1396 if (CDR_open() < 0)
1397 {
1398 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1399 return false;
1400 }
1401 }
1402 }
1403
1404 plugin_call_rearmed_cbs();
1405 /* dfinput_activate(); */
1406
1407 if (CheckCdrom() == -1)
1408 {
1409 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1410 return false;
1411 }
1412
1413 SysReset();
1414
1415 if (LoadCdrom() == -1)
1416 {
1417 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1418 return false;
1419 }
1420 emu_on_new_cd(0);
1421
1422 set_retro_memmap();
1423
1424 input_changed = 1;
1425
1426 return true;
1427}
1428
1429unsigned retro_get_region(void)
1430{
1431 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1432}
1433
1434void *retro_get_memory_data(unsigned id)
1435{
1436 if (id == RETRO_MEMORY_SAVE_RAM)
1437 return Mcd1Data;
1438 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1439 return psxM;
1440 else
1441 return NULL;
1442}
1443
1444size_t retro_get_memory_size(unsigned id)
1445{
1446 if (id == RETRO_MEMORY_SAVE_RAM)
1447 return MCD_SIZE;
1448 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1449 return 0x200000;
1450 else
1451 return 0;
1452}
1453
1454void retro_reset(void)
1455{
1456 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1457 rebootemu = 1;
1458 //SysReset();
1459}
1460
1461static const unsigned short retro_psx_map[] = {
1462 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1463 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1464 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1465 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1466 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1467 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1468 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1469 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1470 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1471 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1472 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1473 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1474 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1475 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1476 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1477 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1478};
1479#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1480
1481//Percentage distance of screen to adjust
1482static int GunconAdjustX = 0;
1483static int GunconAdjustY = 0;
1484
1485//Used when out by a percentage
1486static float GunconAdjustRatioX = 1;
1487static float GunconAdjustRatioY = 1;
1488
1489static void update_variables(bool in_flight)
1490{
1491 struct retro_variable var;
1492#ifdef GPU_PEOPS
1493 int gpu_peops_fix = 0;
1494#endif
1495
1496 var.value = NULL;
1497 var.key = "pcsx_rearmed_frameskip";
1498 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1499 pl_rearmed_cbs.frameskip = atoi(var.value);
1500
1501 var.value = NULL;
1502 var.key = "pcsx_rearmed_region";
1503 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1504 {
1505 Config.PsxAuto = 0;
1506 if (strcmp(var.value, "auto") == 0)
1507 Config.PsxAuto = 1;
1508 else if (strcmp(var.value, "NTSC") == 0)
1509 Config.PsxType = 0;
1510 else if (strcmp(var.value, "PAL") == 0)
1511 Config.PsxType = 1;
1512 }
1513
1514 /*for (i = 0; i < PORTS_NUMBER; i++)
1515 update_controller_port_variable(i);*/
1516
1517 update_multitap();
1518
1519 var.value = NULL;
1520 var.key = "pcsx_rearmed_negcon_deadzone";
1521 negcon_deadzone = 0;
1522 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1523 {
1524 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1525 }
1526
1527 var.value = NULL;
1528 var.key = "pcsx_rearmed_negcon_response";
1529 negcon_linearity = 1;
1530 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1531 {
1532 if (strcmp(var.value, "quadratic") == 0)
1533 {
1534 negcon_linearity = 2;
1535 }
1536 else if (strcmp(var.value, "cubic") == 0)
1537 {
1538 negcon_linearity = 3;
1539 }
1540 }
1541
1542 var.value = NULL;
1543 var.key = "pcsx_rearmed_analog_axis_modifier";
1544 axis_bounds_modifier = true;
1545 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1546 {
1547 if (strcmp(var.value, "square") == 0)
1548 {
1549 axis_bounds_modifier = true;
1550 }
1551 else if (strcmp(var.value, "circle") == 0)
1552 {
1553 axis_bounds_modifier = false;
1554 }
1555 }
1556
1557 var.value = NULL;
1558 var.key = "pcsx_rearmed_vibration";
1559
1560 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1561 {
1562 if (strcmp(var.value, "disabled") == 0)
1563 in_enable_vibration = 0;
1564 else if (strcmp(var.value, "enabled") == 0)
1565 in_enable_vibration = 1;
1566 }
1567
1568 var.value = NULL;
1569 var.key = "pcsx_rearmed_dithering";
1570
1571 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1572 {
1573 if (strcmp(var.value, "disabled") == 0)
1574 {
1575 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1576 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1577 pl_rearmed_cbs.gpu_unai.dithering = 0;
1578#ifdef __ARM_NEON__
1579 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1580#endif
1581 }
1582 else if (strcmp(var.value, "enabled") == 0)
1583 {
1584 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1585 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1586 pl_rearmed_cbs.gpu_unai.dithering = 1;
1587#ifdef __ARM_NEON__
1588 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1589#endif
1590 }
1591 }
1592
1593#ifdef GPU_NEON
1594 var.value = NULL;
1595 var.key = "pcsx_rearmed_neon_interlace_enable";
1596
1597 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1598 {
1599 if (strcmp(var.value, "disabled") == 0)
1600 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1601 else if (strcmp(var.value, "enabled") == 0)
1602 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1603 }
1604
1605 var.value = NULL;
1606 var.key = "pcsx_rearmed_neon_enhancement_enable";
1607
1608 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1609 {
1610 if (strcmp(var.value, "disabled") == 0)
1611 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1612 else if (strcmp(var.value, "enabled") == 0)
1613 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1614 }
1615
1616 var.value = NULL;
1617 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1618
1619 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1620 {
1621 if (strcmp(var.value, "disabled") == 0)
1622 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1623 else if (strcmp(var.value, "enabled") == 0)
1624 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1625 }
1626#endif
1627
1628 var.value = NULL;
1629 var.key = "pcsx_rearmed_duping_enable";
1630
1631 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1632 {
1633 if (strcmp(var.value, "disabled") == 0)
1634 duping_enable = false;
1635 else if (strcmp(var.value, "enabled") == 0)
1636 duping_enable = true;
1637 }
1638
1639 var.value = NULL;
1640 var.key = "pcsx_rearmed_display_internal_fps";
1641
1642 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1643 {
1644 if (strcmp(var.value, "disabled") == 0)
1645 display_internal_fps = false;
1646 else if (strcmp(var.value, "enabled") == 0)
1647 display_internal_fps = true;
1648 }
1649
1650#if defined(LIGHTREC) || defined(NEW_DYNAREC)
1651 var.value = NULL;
1652 var.key = "pcsx_rearmed_drc";
1653
1654 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1655 {
1656 R3000Acpu *prev_cpu = psxCpu;
1657#if defined(LIGHTREC)
1658 bool can_use_dynarec = found_bios;
1659#else
1660 bool can_use_dynarec = 1;
1661#endif
1662
1663#ifdef _3DS
1664 if (!__ctr_svchax)
1665 Config.Cpu = CPU_INTERPRETER;
1666 else
1667#endif
1668 if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
1669 Config.Cpu = CPU_INTERPRETER;
1670 else if (strcmp(var.value, "enabled") == 0)
1671 Config.Cpu = CPU_DYNAREC;
1672
1673 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1674 if (psxCpu != prev_cpu)
1675 {
1676 prev_cpu->Shutdown();
1677 psxCpu->Init();
1678 psxCpu->Reset(); // not really a reset..
1679 }
1680 }
1681#endif /* LIGHTREC || NEW_DYNAREC */
1682
1683 var.value = NULL;
1684 var.key = "pcsx_rearmed_spu_reverb";
1685
1686 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1687 {
1688 if (strcmp(var.value, "disabled") == 0)
1689 spu_config.iUseReverb = false;
1690 else if (strcmp(var.value, "enabled") == 0)
1691 spu_config.iUseReverb = true;
1692 }
1693
1694 var.value = NULL;
1695 var.key = "pcsx_rearmed_spu_interpolation";
1696
1697 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1698 {
1699 if (strcmp(var.value, "simple") == 0)
1700 spu_config.iUseInterpolation = 1;
1701 else if (strcmp(var.value, "gaussian") == 0)
1702 spu_config.iUseInterpolation = 2;
1703 else if (strcmp(var.value, "cubic") == 0)
1704 spu_config.iUseInterpolation = 3;
1705 else if (strcmp(var.value, "off") == 0)
1706 spu_config.iUseInterpolation = 0;
1707 }
1708
1709 var.value = NULL;
1710 var.key = "pcsx_rearmed_pe2_fix";
1711
1712 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1713 {
1714 if (strcmp(var.value, "disabled") == 0)
1715 Config.RCntFix = 0;
1716 else if (strcmp(var.value, "enabled") == 0)
1717 Config.RCntFix = 1;
1718 }
1719
1720 var.value = NULL;
1721 var.key = "pcsx_rearmed_idiablofix";
1722
1723 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1724 {
1725 if (strcmp(var.value, "disabled") == 0)
1726 spu_config.idiablofix = 0;
1727 else if (strcmp(var.value, "enabled") == 0)
1728 spu_config.idiablofix = 1;
1729 }
1730
1731 var.value = NULL;
1732 var.key = "pcsx_rearmed_inuyasha_fix";
1733
1734 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1735 {
1736 if (strcmp(var.value, "disabled") == 0)
1737 Config.VSyncWA = 0;
1738 else if (strcmp(var.value, "enabled") == 0)
1739 Config.VSyncWA = 1;
1740 }
1741
1742#ifndef _WIN32
1743 var.value = NULL;
1744 var.key = "pcsx_rearmed_async_cd";
1745 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1746 {
1747 if (strcmp(var.value, "async") == 0)
1748 {
1749 Config.AsyncCD = 1;
1750 Config.CHD_Precache = 0;
1751 }
1752 else if (strcmp(var.value, "sync") == 0)
1753 {
1754 Config.AsyncCD = 0;
1755 Config.CHD_Precache = 0;
1756 }
1757 else if (strcmp(var.value, "precache") == 0)
1758 {
1759 Config.AsyncCD = 0;
1760 Config.CHD_Precache = 1;
1761 }
1762 }
1763#endif
1764
1765 var.value = NULL;
1766 var.key = "pcsx_rearmed_noxadecoding";
1767 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1768 {
1769 if (strcmp(var.value, "disabled") == 0)
1770 Config.Xa = 1;
1771 else
1772 Config.Xa = 0;
1773 }
1774
1775 var.value = NULL;
1776 var.key = "pcsx_rearmed_nocdaudio";
1777 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1778 {
1779 if (strcmp(var.value, "disabled") == 0)
1780 Config.Cdda = 1;
1781 else
1782 Config.Cdda = 0;
1783 }
1784
1785 var.value = NULL;
1786 var.key = "pcsx_rearmed_spuirq";
1787 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1788 {
1789 if (strcmp(var.value, "disabled") == 0)
1790 Config.SpuIrq = 0;
1791 else
1792 Config.SpuIrq = 1;
1793 }
1794
1795#ifdef THREAD_RENDERING
1796 var.key = "pcsx_rearmed_gpu_thread_rendering";
1797 var.value = NULL;
1798
1799 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1800 {
1801 if (strcmp(var.value, "disabled") == 0)
1802 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
1803 else if (strcmp(var.value, "sync") == 0)
1804 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
1805 else if (strcmp(var.value, "async") == 0)
1806 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
1807 }
1808#endif
1809
1810#ifdef GPU_PEOPS
1811 var.value = NULL;
1812 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1813
1814 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1815 {
1816 if (strcmp(var.value, "enabled") == 0)
1817 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1818 }
1819
1820 var.value = NULL;
1821 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1822
1823 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1824 {
1825 if (strcmp(var.value, "enabled") == 0)
1826 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1827 }
1828
1829 var.value = NULL;
1830 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1831
1832 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1833 {
1834 if (strcmp(var.value, "enabled") == 0)
1835 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1836 }
1837
1838 var.value = NULL;
1839 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1840
1841 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1842 {
1843 if (strcmp(var.value, "enabled") == 0)
1844 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1845 }
1846
1847 var.value = NULL;
1848 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1849
1850 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1851 {
1852 if (strcmp(var.value, "enabled") == 0)
1853 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1854 }
1855
1856 var.value = NULL;
1857 var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1858
1859 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1860 {
1861 if (strcmp(var.value, "enabled") == 0)
1862 gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1863 }
1864
1865 var.value = NULL;
1866 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1867
1868 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1869 {
1870 if (strcmp(var.value, "enabled") == 0)
1871 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1872 }
1873
1874 var.value = NULL;
1875 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
1876
1877 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1878 {
1879 if (strcmp(var.value, "enabled") == 0)
1880 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
1881 }
1882
1883 var.value = NULL;
1884 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
1885
1886 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1887 {
1888 if (strcmp(var.value, "enabled") == 0)
1889 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
1890 }
1891
1892 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1893 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1894
1895 /* Show/hide core options */
1896
1897 var.key = "pcsx_rearmed_show_gpu_peops_settings";
1898 var.value = NULL;
1899
1900 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1901 {
1902 int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
1903
1904 show_advanced_gpu_peops_settings = 1;
1905 if (strcmp(var.value, "disabled") == 0)
1906 show_advanced_gpu_peops_settings = 0;
1907
1908 if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
1909 {
1910 unsigned i;
1911 struct retro_core_option_display option_display;
1912 char gpu_peops_option[9][45] = {
1913 "pcsx_rearmed_gpu_peops_odd_even_bit",
1914 "pcsx_rearmed_gpu_peops_expand_screen_width",
1915 "pcsx_rearmed_gpu_peops_ignore_brightness",
1916 "pcsx_rearmed_gpu_peops_disable_coord_check",
1917 "pcsx_rearmed_gpu_peops_lazy_screen_update",
1918 "pcsx_rearmed_gpu_peops_old_frame_skip",
1919 "pcsx_rearmed_gpu_peops_repeated_triangles",
1920 "pcsx_rearmed_gpu_peops_quads_with_triangles",
1921 "pcsx_rearmed_gpu_peops_fake_busy_state"
1922 };
1923
1924 option_display.visible = show_advanced_gpu_peops_settings;
1925
1926 for (i = 0; i < 9; i++)
1927 {
1928 option_display.key = gpu_peops_option[i];
1929 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
1930 }
1931 }
1932 }
1933#endif
1934
1935#ifdef GPU_UNAI
1936 var.key = "pcsx_rearmed_gpu_unai_ilace_force";
1937 var.value = NULL;
1938
1939 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1940 {
1941 if (strcmp(var.value, "disabled") == 0)
1942 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
1943 else if (strcmp(var.value, "enabled") == 0)
1944 pl_rearmed_cbs.gpu_unai.ilace_force = 1;
1945 }
1946
1947 var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
1948 var.value = NULL;
1949
1950 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1951 {
1952 if (strcmp(var.value, "disabled") == 0)
1953 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
1954 else if (strcmp(var.value, "enabled") == 0)
1955 pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
1956 }
1957
1958 var.key = "pcsx_rearmed_gpu_unai_lighting";
1959 var.value = NULL;
1960
1961 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1962 {
1963 if (strcmp(var.value, "disabled") == 0)
1964 pl_rearmed_cbs.gpu_unai.lighting = 0;
1965 else if (strcmp(var.value, "enabled") == 0)
1966 pl_rearmed_cbs.gpu_unai.lighting = 1;
1967 }
1968
1969 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
1970 var.value = NULL;
1971
1972 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1973 {
1974 if (strcmp(var.value, "disabled") == 0)
1975 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
1976 else if (strcmp(var.value, "enabled") == 0)
1977 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
1978 }
1979
1980 var.key = "pcsx_rearmed_gpu_unai_blending";
1981 var.value = NULL;
1982
1983 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1984 {
1985 if (strcmp(var.value, "disabled") == 0)
1986 pl_rearmed_cbs.gpu_unai.blending = 0;
1987 else if (strcmp(var.value, "enabled") == 0)
1988 pl_rearmed_cbs.gpu_unai.blending = 1;
1989 }
1990
1991 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
1992 var.value = NULL;
1993
1994 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1995 {
1996 if (strcmp(var.value, "disabled") == 0)
1997 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
1998 else if (strcmp(var.value, "enabled") == 0)
1999 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2000 }
2001
2002 var.key = "pcsx_rearmed_show_gpu_unai_settings";
2003 var.value = NULL;
2004
2005 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2006 {
2007 int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
2008
2009 show_advanced_gpu_unai_settings = 1;
2010 if (strcmp(var.value, "disabled") == 0)
2011 show_advanced_gpu_unai_settings = 0;
2012
2013 if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
2014 {
2015 unsigned i;
2016 struct retro_core_option_display option_display;
2017 char gpu_unai_option[6][40] = {
2018 "pcsx_rearmed_gpu_unai_blending",
2019 "pcsx_rearmed_gpu_unai_lighting",
2020 "pcsx_rearmed_gpu_unai_fast_lighting",
2021 "pcsx_rearmed_gpu_unai_ilace_force",
2022 "pcsx_rearmed_gpu_unai_pixel_skip",
2023 "pcsx_rearmed_gpu_unai_scale_hires",
2024 };
2025
2026 option_display.visible = show_advanced_gpu_unai_settings;
2027
2028 for (i = 0; i < 6; i++)
2029 {
2030 option_display.key = gpu_unai_option[i];
2031 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2032 }
2033 }
2034 }
2035#endif // GPU_UNAI
2036
2037 //This adjustment process gives the user the ability to manually align the mouse up better
2038 //with where the shots are in the emulator.
2039
2040 var.value = NULL;
2041 var.key = "pcsx_rearmed_gunconadjustx";
2042
2043 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2044 {
2045 GunconAdjustX = atoi(var.value);
2046 }
2047
2048 var.value = NULL;
2049 var.key = "pcsx_rearmed_gunconadjusty";
2050
2051 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2052 {
2053 GunconAdjustY = atoi(var.value);
2054 }
2055
2056 var.value = NULL;
2057 var.key = "pcsx_rearmed_gunconadjustratiox";
2058
2059 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2060 {
2061 GunconAdjustRatioX = atof(var.value);
2062 }
2063
2064 var.value = NULL;
2065 var.key = "pcsx_rearmed_gunconadjustratioy";
2066
2067 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2068 {
2069 GunconAdjustRatioY = atof(var.value);
2070 }
2071
2072#ifdef NEW_DYNAREC
2073 var.value = NULL;
2074 var.key = "pcsx_rearmed_nosmccheck";
2075 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2076 {
2077 if (strcmp(var.value, "enabled") == 0)
2078 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2079 else
2080 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2081 }
2082
2083 var.value = NULL;
2084 var.key = "pcsx_rearmed_gteregsunneeded";
2085 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2086 {
2087 if (strcmp(var.value, "enabled") == 0)
2088 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2089 else
2090 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2091 }
2092
2093 var.value = NULL;
2094 var.key = "pcsx_rearmed_nogteflags";
2095 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2096 {
2097 if (strcmp(var.value, "enabled") == 0)
2098 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2099 else
2100 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2101 }
2102
2103 /* this probably is safe to change in real-time */
2104 var.value = NULL;
2105 var.key = "pcsx_rearmed_psxclock";
2106 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2107 {
2108 int psxclock = atoi(var.value);
2109 cycle_multiplier = 10000 / psxclock;
2110 }
2111#endif /* NEW_DYNAREC */
2112
2113 var.value = NULL;
2114 var.key = "pcsx_rearmed_input_sensitivity";
2115 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2116 {
2117 mouse_sensitivity = atof(var.value);
2118 }
2119
2120 var.key = "pcsx_rearmed_show_other_input_settings";
2121 var.value = NULL;
2122
2123 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2124 {
2125 int previous_settings = show_other_input_settings;
2126
2127 show_other_input_settings = 1;
2128 if (strcmp(var.value, "disabled") == 0)
2129 show_other_input_settings = 0;
2130
2131 if (show_other_input_settings != previous_settings)
2132 {
2133 unsigned i;
2134 struct retro_core_option_display option_display;
2135 char gpu_peops_option[][50] = {
2136 "pcsx_rearmed_negcon_deadzone",
2137 "pcsx_rearmed_negcon_response",
2138 "pcsx_rearmed_analog_axis_modifier",
2139 "pcsx_rearmed_gunconadjustx",
2140 "pcsx_rearmed_gunconadjusty",
2141 "pcsx_rearmed_gunconadjustratiox",
2142 "pcsx_rearmed_gunconadjustratioy"
2143 };
2144 #define INPUT_LIST (sizeof(gpu_peops_option) / sizeof(gpu_peops_option[0]))
2145
2146 option_display.visible = show_other_input_settings;
2147
2148 for (i = 0; i < INPUT_LIST; i++)
2149 {
2150 option_display.key = gpu_peops_option[i];
2151 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2152 }
2153 }
2154 }
2155
2156 if (in_flight)
2157 {
2158 // inform core things about possible config changes
2159 plugin_call_rearmed_cbs();
2160
2161 if (GPU_open != NULL && GPU_close != NULL)
2162 {
2163 GPU_close();
2164 GPU_open(&gpuDisp, "PCSX", NULL);
2165 }
2166
2167 /* dfinput_activate(); */
2168 }
2169 else
2170 {
2171 //not yet running
2172
2173 //bootlogo display hack
2174 if (found_bios)
2175 {
2176 var.value = NULL;
2177 var.key = "pcsx_rearmed_show_bios_bootlogo";
2178 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2179 {
2180 Config.SlowBoot = 0;
2181 rebootemu = 0;
2182 if (strcmp(var.value, "enabled") == 0)
2183 {
2184 Config.SlowBoot = 1;
2185 rebootemu = 1;
2186 }
2187 }
2188 }
2189 }
2190}
2191
2192// Taken from beetle-psx-libretro
2193static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2194{
2195 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2196 // feature (or pre-date it) so we need to handle this in a graceful way.
2197
2198 // First, try and get an analog value using the new libretro API constant
2199 uint16_t button = input_state_cb(player_index,
2200 RETRO_DEVICE_ANALOG,
2201 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2202 id);
2203 button = MIN(button / 128, 255);
2204
2205 if (button == 0)
2206 {
2207 // If we got exactly zero, we're either not pressing the button, or the front-end
2208 // is not reporting analog values. We need to do a second check using the classic
2209 // digital API method, to at least get some response - better than nothing.
2210
2211 // NOTE: If we're really just not holding the button, we're still going to get zero.
2212
2213 button = (ret & (1 << id)) ? 255 : 0;
2214 }
2215
2216 return button;
2217}
2218
2219unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2220{
2221 float modifier_axis_range = 0;
2222
2223 if (is_square)
2224 {
2225 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2226 if (modifier_axis_range < 0)
2227 {
2228 modifier_axis_range = 0;
2229 }
2230 else if (modifier_axis_range > 255)
2231 {
2232 modifier_axis_range = 255;
2233 }
2234 }
2235 else
2236 {
2237 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2238 }
2239
2240 return modifier_axis_range;
2241}
2242
2243static void update_input_guncon(int port, int ret)
2244{
2245 //ToDo move across to:
2246 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2247 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2248 //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2249 //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2250 //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2251 //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2252 //Though not sure these are hooked up properly on the Pi
2253
2254 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2255
2256 // Trigger
2257 //The 1 is hardcoded instead of port to prevent the overlay mouse button libretro crash bug
2258 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2259 {
2260 in_keystate[port] |= (1 << DKEY_CIRCLE);
2261 }
2262
2263 // A
2264 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2265 {
2266 in_keystate[port] |= (1 << DKEY_START);
2267 }
2268
2269 // B
2270 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE))
2271 {
2272 in_keystate[port] |= (1 << DKEY_CROSS);
2273 }
2274
2275 int gunx = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2276 int guny = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2277
2278 //Mouse range is -32767 -> 32767
2279 //1% is about 655
2280 //Use the left analog stick field to store the absolute coordinates
2281 in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
2282 in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
2283}
2284
2285static void update_input_negcon(int port, int ret)
2286{
2287 int lsx;
2288 int rsy;
2289 int negcon_i_rs;
2290 int negcon_ii_rs;
2291 float negcon_twist_amplitude;
2292
2293 // Query digital inputs
2294 //
2295 // > Pad-Up
2296 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2297 in_keystate[port] |= (1 << DKEY_UP);
2298 // > Pad-Right
2299 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2300 in_keystate[port] |= (1 << DKEY_RIGHT);
2301 // > Pad-Down
2302 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2303 in_keystate[port] |= (1 << DKEY_DOWN);
2304 // > Pad-Left
2305 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2306 in_keystate[port] |= (1 << DKEY_LEFT);
2307 // > Start
2308 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2309 in_keystate[port] |= (1 << DKEY_START);
2310 // > neGcon A
2311 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2312 in_keystate[port] |= (1 << DKEY_CIRCLE);
2313 // > neGcon B
2314 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2315 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2316 // > neGcon R shoulder (digital)
2317 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2318 in_keystate[port] |= (1 << DKEY_R1);
2319 // Query analog inputs
2320 //
2321 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2322 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2323 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2324 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2325 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2326 // So we just have to map in_analog_left/right to more
2327 // appropriate inputs...
2328 //
2329 // > NeGcon twist
2330 // >> Get raw analog stick value and account for deadzone
2331 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2332 if (lsx > negcon_deadzone)
2333 lsx = lsx - negcon_deadzone;
2334 else if (lsx < -negcon_deadzone)
2335 lsx = lsx + negcon_deadzone;
2336 else
2337 lsx = 0;
2338 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2339 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2340 if (negcon_linearity == 2)
2341 {
2342 if (negcon_twist_amplitude < 0.0)
2343 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2344 else
2345 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2346 }
2347 else if (negcon_linearity == 3)
2348 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2349 // >> Convert to final 'in_analog' integer value [0,255]
2350 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2351 // > NeGcon I + II
2352 // >> Handle right analog stick vertical axis mapping...
2353 // - Up (-Y) == accelerate == neGcon I
2354 // - Down (+Y) == brake == neGcon II
2355 negcon_i_rs = 0;
2356 negcon_ii_rs = 0;
2357 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2358 if (rsy >= 0)
2359 {
2360 // Account for deadzone
2361 // (Note: have never encountered a gamepad with significant differences
2362 // in deadzone between left/right analog sticks, so use the regular 'twist'
2363 // deadzone here)
2364 if (rsy > negcon_deadzone)
2365 rsy = rsy - negcon_deadzone;
2366 else
2367 rsy = 0;
2368 // Convert to 'in_analog' integer value [0,255]
2369 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2370 }
2371 else
2372 {
2373 if (rsy < -negcon_deadzone)
2374 rsy = -1 * (rsy + negcon_deadzone);
2375 else
2376 rsy = 0;
2377 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2378 }
2379 // >> NeGcon I
2380 in_analog_right[port][1] = MAX(
2381 MAX(
2382 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2383 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2384 negcon_i_rs);
2385 // >> NeGcon II
2386 in_analog_left[port][0] = MAX(
2387 MAX(
2388 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2389 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2390 negcon_ii_rs);
2391 // > NeGcon L
2392 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2393}
2394
2395static void update_input_mouse(int port, int ret)
2396{
2397 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2398 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2399
2400 int x = (int)roundf(raw_x * mouse_sensitivity);
2401 int y = (int)roundf(raw_y * mouse_sensitivity);
2402
2403 if (x > 127) x = 127;
2404 else if (x < -128) x = -128;
2405
2406 if (y > 127) y = 127;
2407 else if (y < -128) y = -128;
2408
2409 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2410 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2411
2412 /* left mouse button state */
2413 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2414 in_keystate[port] |= 1 << 11;
2415
2416 /* right mouse button state */
2417 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2418 in_keystate[port] |= 1 << 10;
2419}
2420
2421static void update_input(void)
2422{
2423 // reset all keystate, query libretro for keystate
2424 int i;
2425 int j;
2426
2427 for (i = 0; i < PORTS_NUMBER; i++)
2428 {
2429 int16_t ret = 0;
2430 int type = in_type[i];
2431
2432 in_keystate[i] = 0;
2433
2434 if (type == PSE_PAD_TYPE_NONE)
2435 continue;
2436
2437 if (libretro_supports_bitmasks)
2438 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2439 else
2440 {
2441 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2442 {
2443 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2444 ret |= (1 << j);
2445 }
2446 }
2447
2448 switch (type)
2449 {
2450 case PSE_PAD_TYPE_GUNCON:
2451 update_input_guncon(i, ret);
2452 break;
2453 case PSE_PAD_TYPE_NEGCON:
2454 update_input_negcon(i, ret);
2455 break;
2456 case PSE_PAD_TYPE_MOUSE:
2457 update_input_mouse(i, ret);
2458 break;
2459 default:
2460 // Query digital inputs
2461 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2462 if (ret & (1 << j))
2463 in_keystate[i] |= retro_psx_map[j];
2464
2465 // Query analog inputs
2466 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2467 {
2468 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);
2469 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);
2470 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);
2471 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);
2472 }
2473 }
2474 }
2475}
2476
2477static void print_internal_fps(void)
2478{
2479 if (display_internal_fps)
2480 {
2481 frame_count++;
2482
2483 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2484 {
2485 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2486 char str[64];
2487 const char *strc = (const char *)str;
2488
2489 str[0] = '\0';
2490
2491 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2492
2493 pl_rearmed_cbs.flip_cnt = 0;
2494
2495 if (msg_interface_version >= 1)
2496 {
2497 struct retro_message_ext msg = {
2498 strc,
2499 3000,
2500 1,
2501 RETRO_LOG_INFO,
2502 RETRO_MESSAGE_TARGET_OSD,
2503 RETRO_MESSAGE_TYPE_STATUS,
2504 -1
2505 };
2506 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2507 }
2508 else
2509 {
2510 struct retro_message msg = {
2511 strc,
2512 180
2513 };
2514 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2515 }
2516 }
2517 }
2518 else
2519 frame_count = 0;
2520}
2521
2522void retro_run(void)
2523{
2524 /* update multitap when inputs have changed */
2525 /* this is only applied on core restart */
2526 if (input_changed)
2527 {
2528 int i;
2529 input_changed = 0;
2530 update_multitap();
2531 for (i = 0; i < 8; i++)
2532 SysDLog("Player %d: %s\n", i + 1, get_pse_pad_label[in_type[i]]);
2533 SysDLog("Multiplayer 1: %s\n", multitap1 ? "enabled" : "disabled");
2534 SysDLog("Multiplayer 2: %s\n", multitap2 ? "enabled" : "disabled");
2535 }
2536
2537 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2538 if (rebootemu != 0)
2539 {
2540 rebootemu = 0;
2541 SysReset();
2542 if (!Config.HLE && !Config.SlowBoot)
2543 {
2544 // skip BIOS logos
2545 psxRegs.pc = psxRegs.GPR.n.ra;
2546 }
2547 return;
2548 }
2549
2550 print_internal_fps();
2551
2552 input_poll_cb();
2553
2554 update_input();
2555
2556 bool updated = false;
2557 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2558 update_variables(true);
2559
2560 stop = 0;
2561 psxCpu->Execute();
2562
2563 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2564 vout_width, vout_height, vout_width * 2);
2565 vout_fb_dirty = 0;
2566
2567 set_vout_fb();
2568}
2569
2570static bool try_use_bios(const char *path)
2571{
2572 FILE *f;
2573 long size;
2574 const char *name;
2575
2576 f = fopen_utf8(path, "rb");
2577 if (f == NULL)
2578 return false;
2579
2580 fseek(f, 0, SEEK_END);
2581 size = ftell(f);
2582 fclose(f);
2583
2584 if (size != 512 * 1024)
2585 return false;
2586
2587 name = strrchr(path, SLASH);
2588 if (name++ == NULL)
2589 name = path;
2590 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2591 return true;
2592}
2593
2594#ifndef VITA
2595#include <sys/types.h>
2596#include <dirent.h>
2597
2598static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2599{
2600 DIR *dir;
2601 struct dirent *ent;
2602 bool ret = false;
2603
2604 dir = opendir(dirpath);
2605 if (dir == NULL)
2606 return false;
2607
2608 while ((ent = readdir(dir)))
2609 {
2610 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2611 continue;
2612
2613 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2614 ret = try_use_bios(path);
2615 if (ret)
2616 break;
2617 }
2618 closedir(dir);
2619 return ret;
2620}
2621#else
2622#define find_any_bios(...) false
2623#endif
2624
2625static void check_system_specs(void)
2626{
2627 unsigned level = 6;
2628 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2629}
2630
2631static int init_memcards(void)
2632{
2633 int ret = 0;
2634 const char *dir;
2635 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
2636 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2637
2638 // Memcard2 will be handled and is re-enabled if needed using core
2639 // operations.
2640 // Memcard1 is handled by libretro, doing this will set core to
2641 // skip file io operations for memcard1 like SaveMcd
2642 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2643 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2644 init_memcard(Mcd1Data);
2645 // Memcard 2 is managed by the emulator on the filesystem,
2646 // There is no need to initialize Mcd2Data like Mcd1Data.
2647
2648 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2649 {
2650 SysPrintf("Memcard 2: %s\n", var.value);
2651 if (memcmp(var.value, "enabled", 7) == 0)
2652 {
2653 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
2654 {
2655 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
2656 {
2657 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2658 ret = -1;
2659 }
2660 else
2661 {
2662 McdDisable[1] = 0;
2663 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2664 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2665 }
2666 }
2667 else
2668 {
2669 SysPrintf("Could not get save directory! Could not create memcard 2.");
2670 ret = -1;
2671 }
2672 }
2673 }
2674 return ret;
2675}
2676
2677static void loadPSXBios(void)
2678{
2679 const char *dir;
2680 char path[PATH_MAX];
2681 unsigned useHLE = 0;
2682
2683 const char *bios[] = {
2684 "PS1_ROM", "ps1_rom",
2685 "PSXONPSP660", "psxonpsp660",
2686 "SCPH101", "scph101",
2687 "SCPH5501", "scph5501",
2688 "SCPH7001", "scph7001",
2689 "SCPH1001", "scph1001"
2690 };
2691
2692 struct retro_variable var = {
2693 .key = "pcsx_rearmed_bios",
2694 .value = NULL
2695 };
2696
2697 found_bios = 0;
2698
2699 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2700 {
2701 if (!strcmp(var.value, "HLE"))
2702 useHLE = 1;
2703 }
2704
2705 if (!useHLE)
2706 {
2707 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2708 {
2709 unsigned i;
2710 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2711
2712 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
2713 {
2714 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2715 found_bios = try_use_bios(path);
2716 if (found_bios)
2717 break;
2718 }
2719
2720 if (!found_bios)
2721 found_bios = find_any_bios(dir, path, sizeof(path));
2722 }
2723 if (found_bios)
2724 {
2725 SysPrintf("found BIOS file: %s\n", Config.Bios);
2726 }
2727 }
2728
2729 if (!found_bios)
2730 {
2731 const char *msg_str;
2732 if (useHLE)
2733 {
2734 msg_str = "BIOS set to \'hle\' in core options - real BIOS will be ignored";
2735 SysPrintf("Using HLE BIOS.\n");
2736 }
2737 else
2738 {
2739 msg_str = "No PlayStation BIOS file found - add for better compatibility";
2740 SysPrintf("No BIOS files found.\n");
2741 }
2742
2743 if (msg_interface_version >= 1)
2744 {
2745 struct retro_message_ext msg = {
2746 msg_str,
2747 3000,
2748 3,
2749 RETRO_LOG_WARN,
2750 RETRO_MESSAGE_TARGET_ALL,
2751 RETRO_MESSAGE_TYPE_NOTIFICATION,
2752 -1
2753 };
2754 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2755 }
2756 else
2757 {
2758 struct retro_message msg = {
2759 msg_str,
2760 180
2761 };
2762 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2763 }
2764 }
2765}
2766
2767void retro_init(void)
2768{
2769 unsigned dci_version = 0;
2770 struct retro_rumble_interface rumble;
2771 int ret;
2772
2773 msg_interface_version = 0;
2774 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
2775
2776#if defined(__MACH__) && !defined(TVOS)
2777 // magic sauce to make the dynarec work on iOS
2778 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2779#endif
2780
2781#ifdef _3DS
2782 psxMapHook = pl_3ds_mmap;
2783 psxUnmapHook = pl_3ds_munmap;
2784#endif
2785#ifdef VITA
2786 if (init_vita_mmap() < 0)
2787 abort();
2788 psxMapHook = pl_vita_mmap;
2789 psxUnmapHook = pl_vita_munmap;
2790#endif
2791 ret = emu_core_preinit();
2792#ifdef _3DS
2793 /* emu_core_preinit sets the cpu to dynarec */
2794 if (!__ctr_svchax)
2795 Config.Cpu = CPU_INTERPRETER;
2796#endif
2797 ret |= init_memcards();
2798
2799 ret |= emu_core_init();
2800 if (ret != 0)
2801 {
2802 SysPrintf("PCSX init failed.\n");
2803 exit(1);
2804 }
2805
2806#ifdef _3DS
2807 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2808#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
2809 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2810#else
2811 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2812#endif
2813
2814 vout_buf_ptr = vout_buf;
2815
2816 loadPSXBios();
2817
2818 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2819
2820 disk_initial_index = 0;
2821 disk_initial_path[0] = '\0';
2822 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2823 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2824 else
2825 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2826
2827 rumble_cb = NULL;
2828 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2829 rumble_cb = rumble.set_rumble_state;
2830
2831 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2832 * we have to do this because cache misses and some IO penalties
2833 * are not emulated. Warning: changing this may break compatibility. */
2834 cycle_multiplier = 175;
2835#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
2836 cycle_multiplier = 200;
2837#endif
2838 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2839 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2840 spu_config.iUseFixedUpdates = 1;
2841
2842 SaveFuncs.open = save_open;
2843 SaveFuncs.read = save_read;
2844 SaveFuncs.write = save_write;
2845 SaveFuncs.seek = save_seek;
2846 SaveFuncs.close = save_close;
2847
2848 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2849 libretro_supports_bitmasks = true;
2850
2851 check_system_specs();
2852}
2853
2854void retro_deinit(void)
2855{
2856 if (plugins_opened)
2857 {
2858 ClosePlugins();
2859 plugins_opened = 0;
2860 }
2861 SysClose();
2862#ifdef _3DS
2863 linearFree(vout_buf);
2864#else
2865 free(vout_buf);
2866#endif
2867 vout_buf = NULL;
2868
2869#ifdef VITA
2870 deinit_vita_mmap();
2871#endif
2872 libretro_supports_bitmasks = false;
2873
2874 /* Have to reset disks struct, otherwise
2875 * fnames/flabels will leak memory */
2876 disk_init();
2877}
2878
2879#ifdef VITA
2880#include <psp2/kernel/threadmgr.h>
2881int usleep(unsigned long us)
2882{
2883 sceKernelDelayThread(us);
2884}
2885#endif
2886
2887void SysPrintf(const char *fmt, ...)
2888{
2889 va_list list;
2890 char msg[512];
2891
2892 va_start(list, fmt);
2893 vsprintf(msg, fmt, list);
2894 va_end(list);
2895
2896 if (log_cb)
2897 log_cb(RETRO_LOG_INFO, "%s", msg);
2898}
2899
2900/* Prints debug-level logs */
2901void SysDLog(const char *fmt, ...)
2902{
2903 va_list list;
2904 char msg[512];
2905
2906 va_start(list, fmt);
2907 vsprintf(msg, fmt, list);
2908 va_end(list);
2909
2910 if (log_cb)
2911 log_cb(RETRO_LOG_DEBUG, "%s", msg);
2912}
ARM optimized PCSX fork