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overwrite dynarec related code with upstream version
[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 USE_LIBRETRO_VFS
45#include <streams/file_stream_transforms.h>
46#endif
47
48#ifdef _3DS
49#include "3ds/3ds_utils.h"
50#endif
51
52#define PORTS_NUMBER 8
53
54#ifndef MIN
55#define MIN(a, b) ((a) < (b) ? (a) : (b))
56#endif
57
58#ifndef MAX
59#define MAX(a, b) ((a) > (b) ? (a) : (b))
60#endif
61
62#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
63
64#define INTERNAL_FPS_SAMPLE_PERIOD 64
65
66//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
67static int rebootemu = 0;
68
69static retro_video_refresh_t video_cb;
70static retro_input_poll_t input_poll_cb;
71static retro_input_state_t input_state_cb;
72static retro_environment_t environ_cb;
73static retro_audio_sample_batch_t audio_batch_cb;
74static retro_set_rumble_state_t rumble_cb;
75static struct retro_log_callback logging;
76static retro_log_printf_t log_cb;
77
78static unsigned msg_interface_version = 0;
79
80static void *vout_buf;
81static void *vout_buf_ptr;
82static int vout_width, vout_height;
83static int vout_doffs_old, vout_fb_dirty;
84static bool vout_can_dupe;
85static bool duping_enable;
86static bool found_bios;
87static bool display_internal_fps = false;
88static unsigned frame_count = 0;
89static bool libretro_supports_bitmasks = false;
90#ifdef GPU_PEOPS
91static int show_advanced_gpu_peops_settings = -1;
92#endif
93#ifdef GPU_UNAI
94static int show_advanced_gpu_unai_settings = -1;
95#endif
96static int show_other_input_settings = -1;
97static float mouse_sensitivity = 1.0f;
98
99static unsigned previous_width = 0;
100static unsigned previous_height = 0;
101
102static int plugins_opened;
103static int is_pal_mode;
104
105/* memory card data */
106extern char Mcd1Data[MCD_SIZE];
107extern char Mcd2Data[MCD_SIZE];
108extern char McdDisable[2];
109
110/* PCSX ReARMed core calls and stuff */
111int in_type[8] = {
112 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
113 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
114 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
115 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE
116};
117int in_analog_left[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
118int in_analog_right[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
119unsigned short in_keystate[PORTS_NUMBER];
120int in_mouse[8][2];
121int multitap1 = 0;
122int multitap2 = 0;
123int in_enable_vibration = 1;
124
125// NegCon adjustment parameters
126// > The NegCon 'twist' action is somewhat awkward when mapped
127// to a standard analog stick -> user should be able to tweak
128// response/deadzone for comfort
129// > When response is linear, 'additional' deadzone (set here)
130// may be left at zero, since this is normally handled via in-game
131// options menus
132// > When response is non-linear, deadzone should be set to match the
133// controller being used (otherwise precision may be lost)
134// > negcon_linearity:
135// - 1: Response is linear - recommended when using racing wheel
136// peripherals, not recommended for standard gamepads
137// - 2: Response is quadratic - optimal setting for gamepads
138// - 3: Response is cubic - enables precise fine control, but
139// difficult to use...
140#define NEGCON_RANGE 0x7FFF
141static int negcon_deadzone = 0;
142static int negcon_linearity = 1;
143
144static bool axis_bounds_modifier;
145
146/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
147#define VOUT_MAX_WIDTH 1024
148#define VOUT_MAX_HEIGHT 512
149
150//Dummy functions
151bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) { return false; }
152void retro_unload_game(void) {}
153static int vout_open(void) { return 0; }
154static void vout_close(void) {}
155static int snd_init(void) { return 0; }
156static void snd_finish(void) {}
157static int snd_busy(void) { return 0; }
158
159#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
160#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
161#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
162#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
163#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
164#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
165#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
166#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
167#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
168
169static void init_memcard(char *mcd_data)
170{
171 unsigned off = 0;
172 unsigned i;
173
174 memset(mcd_data, 0, MCD_SIZE);
175
176 mcd_data[off++] = 'M';
177 mcd_data[off++] = 'C';
178 off += 0x7d;
179 mcd_data[off++] = 0x0e;
180
181 for (i = 0; i < 15; i++)
182 {
183 mcd_data[off++] = 0xa0;
184 off += 0x07;
185 mcd_data[off++] = 0xff;
186 mcd_data[off++] = 0xff;
187 off += 0x75;
188 mcd_data[off++] = 0xa0;
189 }
190
191 for (i = 0; i < 20; i++)
192 {
193 mcd_data[off++] = 0xff;
194 mcd_data[off++] = 0xff;
195 mcd_data[off++] = 0xff;
196 mcd_data[off++] = 0xff;
197 off += 0x04;
198 mcd_data[off++] = 0xff;
199 mcd_data[off++] = 0xff;
200 off += 0x76;
201 }
202}
203
204static void set_vout_fb()
205{
206 struct retro_framebuffer fb = { 0 };
207
208 fb.width = vout_width;
209 fb.height = vout_height;
210 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
211
212 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
213 vout_buf_ptr = (uint16_t *)fb.data;
214 else
215 vout_buf_ptr = vout_buf;
216}
217
218static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
219{
220 vout_width = w;
221 vout_height = h;
222
223 if (previous_width != vout_width || previous_height != vout_height)
224 {
225 previous_width = vout_width;
226 previous_height = vout_height;
227
228 struct retro_system_av_info info;
229 retro_get_system_av_info(&info);
230 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
231 }
232
233 set_vout_fb();
234}
235
236#ifndef FRONTEND_SUPPORTS_RGB565
237static void convert(void *buf, size_t bytes)
238{
239 unsigned int i, v, *p = buf;
240
241 for (i = 0; i < bytes / 4; i++)
242 {
243 v = p[i];
244 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
245 }
246}
247#endif
248
249static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
250{
251 unsigned short *dest = vout_buf_ptr;
252 const unsigned short *src = vram;
253 int dstride = vout_width, h1 = h;
254 int doffs;
255
256 if (vram == NULL)
257 {
258 // blanking
259 memset(vout_buf_ptr, 0, dstride * h * 2);
260 goto out;
261 }
262
263 doffs = (vout_height - h) * dstride;
264 doffs += (dstride - w) / 2 & ~1;
265 if (doffs != vout_doffs_old)
266 {
267 // clear borders
268 memset(vout_buf_ptr, 0, dstride * h * 2);
269 vout_doffs_old = doffs;
270 }
271 dest += doffs;
272
273 if (bgr24)
274 {
275 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
276 for (; h1-- > 0; dest += dstride, src += stride)
277 {
278 bgr888_to_rgb565(dest, src, w * 3);
279 }
280 }
281 else
282 {
283 for (; h1-- > 0; dest += dstride, src += stride)
284 {
285 bgr555_to_rgb565(dest, src, w * 2);
286 }
287 }
288
289out:
290#ifndef FRONTEND_SUPPORTS_RGB565
291 convert(vout_buf_ptr, vout_width * vout_height * 2);
292#endif
293 vout_fb_dirty = 1;
294 pl_rearmed_cbs.flip_cnt++;
295}
296
297#ifdef _3DS
298typedef struct
299{
300 void *buffer;
301 uint32_t target_map;
302 size_t size;
303 enum psxMapTag tag;
304} psx_map_t;
305
306psx_map_t custom_psx_maps[] = {
307 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
308 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
309 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
310 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
311 { NULL, 0x12000000, 0x200000, MAP_TAG_VRAM }, // 0x00000000
312};
313
314void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
315 enum psxMapTag tag)
316{
317 (void)is_fixed;
318 (void)addr;
319
320 if (__ctr_svchax)
321 {
322 psx_map_t *custom_map = custom_psx_maps;
323
324 for (; custom_map->size; custom_map++)
325 {
326 if ((custom_map->size == size) && (custom_map->tag == tag))
327 {
328 uint32_t ptr_aligned, tmp;
329
330 custom_map->buffer = malloc(size + 0x1000);
331 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
332
333 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
334 {
335 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
336 exit(1);
337 }
338
339 return (void *)custom_map->target_map;
340 }
341 }
342 }
343
344 return malloc(size);
345}
346
347void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
348{
349 (void)tag;
350
351 if (__ctr_svchax)
352 {
353 psx_map_t *custom_map = custom_psx_maps;
354
355 for (; custom_map->size; custom_map++)
356 {
357 if ((custom_map->target_map == (uint32_t)ptr))
358 {
359 uint32_t ptr_aligned, tmp;
360
361 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
362
363 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
364
365 free(custom_map->buffer);
366 custom_map->buffer = NULL;
367 return;
368 }
369 }
370 }
371
372 free(ptr);
373}
374#endif
375
376#ifdef VITA
377typedef struct
378{
379 void *buffer;
380 uint32_t target_map;
381 size_t size;
382 enum psxMapTag tag;
383} psx_map_t;
384
385void *addr = NULL;
386
387psx_map_t custom_psx_maps[] = {
388 { NULL, NULL, 0x210000, MAP_TAG_RAM }, // 0x80000000
389 { NULL, NULL, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
390 { NULL, NULL, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
391 { NULL, NULL, 0x800000, MAP_TAG_LUTS }, // 0x08000000
392 { NULL, NULL, 0x200000, MAP_TAG_VRAM }, // 0x00000000
393};
394
395int init_vita_mmap()
396{
397 int n;
398 void *tmpaddr;
399 addr = malloc(64 * 1024 * 1024);
400 if (addr == NULL)
401 return -1;
402 tmpaddr = ((u32)(addr + 0xFFFFFF)) & ~0xFFFFFF;
403 custom_psx_maps[0].buffer = tmpaddr + 0x2000000;
404 custom_psx_maps[1].buffer = tmpaddr + 0x1800000;
405 custom_psx_maps[2].buffer = tmpaddr + 0x1c00000;
406 custom_psx_maps[3].buffer = tmpaddr + 0x0000000;
407 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
408#if 0
409 for(n = 0; n < 5; n++){
410 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
411 }
412#endif
413 return 0;
414}
415
416void deinit_vita_mmap()
417{
418 free(addr);
419}
420
421void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
422 enum psxMapTag tag)
423{
424 (void)is_fixed;
425 (void)addr;
426
427 psx_map_t *custom_map = custom_psx_maps;
428
429 for (; custom_map->size; custom_map++)
430 {
431 if ((custom_map->size == size) && (custom_map->tag == tag))
432 {
433 return custom_map->buffer;
434 }
435 }
436
437 return malloc(size);
438}
439
440void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
441{
442 (void)tag;
443
444 psx_map_t *custom_map = custom_psx_maps;
445
446 for (; custom_map->size; custom_map++)
447 {
448 if ((custom_map->buffer == ptr))
449 {
450 return;
451 }
452 }
453
454 free(ptr);
455}
456#endif
457
458static void *pl_mmap(unsigned int size)
459{
460 return psxMap(0, size, 0, MAP_TAG_VRAM);
461}
462
463static void pl_munmap(void *ptr, unsigned int size)
464{
465 psxUnmap(ptr, size, MAP_TAG_VRAM);
466}
467
468struct rearmed_cbs pl_rearmed_cbs = {
469 .pl_vout_open = vout_open,
470 .pl_vout_set_mode = vout_set_mode,
471 .pl_vout_flip = vout_flip,
472 .pl_vout_close = vout_close,
473 .mmap = pl_mmap,
474 .munmap = pl_munmap,
475 /* from psxcounters */
476 .gpu_hcnt = &hSyncCount,
477 .gpu_frame_count = &frame_counter,
478};
479
480void pl_frame_limit(void)
481{
482 /* called once per frame, make psxCpu->Execute() above return */
483 stop = 1;
484}
485
486void pl_timing_prepare(int is_pal)
487{
488 is_pal_mode = is_pal;
489}
490
491void plat_trigger_vibrate(int pad, int low, int high)
492{
493 if (!rumble_cb)
494 return;
495
496 if (in_enable_vibration)
497 {
498 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
499 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
500 }
501}
502
503void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
504{
505}
506
507/* sound calls */
508static void snd_feed(void *buf, int bytes)
509{
510 if (audio_batch_cb != NULL)
511 audio_batch_cb(buf, bytes / 4);
512}
513
514void out_register_libretro(struct out_driver *drv)
515{
516 drv->name = "libretro";
517 drv->init = snd_init;
518 drv->finish = snd_finish;
519 drv->busy = snd_busy;
520 drv->feed = snd_feed;
521}
522
523#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
524#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
525#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
526#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
527#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
528#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
529
530static char *get_pse_pad_label[] = {
531 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
532};
533
534static const struct retro_controller_description pads[7] =
535{
536 { "standard", RETRO_DEVICE_JOYPAD },
537 { "analog", RETRO_DEVICE_PSE_ANALOG },
538 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
539 { "negcon", RETRO_DEVICE_PSE_NEGCON },
540 { "guncon", RETRO_DEVICE_PSE_GUNCON },
541 { "mouse", RETRO_DEVICE_PSE_MOUSE },
542 { NULL, 0 },
543};
544
545static const struct retro_controller_info ports[9] =
546{
547 { pads, 7 },
548 { pads, 7 },
549 { pads, 7 },
550 { pads, 7 },
551 { pads, 7 },
552 { pads, 7 },
553 { pads, 7 },
554 { pads, 7 },
555 { NULL, 0 },
556};
557
558/* libretro */
559void retro_set_environment(retro_environment_t cb)
560{
561#ifdef USE_LIBRETRO_VFS
562 struct retro_vfs_interface_info vfs_iface_info;
563#endif
564
565 environ_cb = cb;
566
567 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
568 log_cb = logging.log;
569
570 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
571 libretro_set_core_options(environ_cb);
572
573#ifdef USE_LIBRETRO_VFS
574 vfs_iface_info.required_interface_version = 1;
575 vfs_iface_info.iface = NULL;
576 if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
577 filestream_vfs_init(&vfs_iface_info);
578#endif
579}
580
581void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
582void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
583void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
584void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
585void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
586
587unsigned retro_api_version(void)
588{
589 return RETRO_API_VERSION;
590}
591
592static void update_multitap(void)
593{
594 struct retro_variable var = { 0 };
595
596 multitap1 = 0;
597 multitap2 = 0;
598
599 var.value = NULL;
600 var.key = "pcsx_rearmed_multitap";
601 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
602 {
603 if (strcmp(var.value, "port 1") == 0)
604 multitap1 = 1;
605 else if (strcmp(var.value, "port 2") == 0)
606 multitap2 = 1;
607 else if (strcmp(var.value, "ports 1 and 2") == 0)
608 {
609 multitap1 = 1;
610 multitap2 = 1;
611 }
612 }
613}
614
615void retro_set_controller_port_device(unsigned port, unsigned device)
616{
617 if (port >= PORTS_NUMBER)
618 return;
619
620 switch (device)
621 {
622 case RETRO_DEVICE_JOYPAD:
623 case RETRO_DEVICE_PSE_STANDARD:
624 in_type[port] = PSE_PAD_TYPE_STANDARD;
625 break;
626 case RETRO_DEVICE_PSE_ANALOG:
627 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
628 break;
629 case RETRO_DEVICE_PSE_DUALSHOCK:
630 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
631 break;
632 case RETRO_DEVICE_PSE_MOUSE:
633 in_type[port] = PSE_PAD_TYPE_MOUSE;
634 break;
635 case RETRO_DEVICE_PSE_NEGCON:
636 in_type[port] = PSE_PAD_TYPE_NEGCON;
637 break;
638 case RETRO_DEVICE_PSE_GUNCON:
639 in_type[port] = PSE_PAD_TYPE_GUNCON;
640 break;
641 case RETRO_DEVICE_NONE:
642 default:
643 in_type[port] = PSE_PAD_TYPE_NONE;
644 break;
645 }
646
647 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
648}
649
650void retro_get_system_info(struct retro_system_info *info)
651{
652#ifndef GIT_VERSION
653#define GIT_VERSION ""
654#endif
655 memset(info, 0, sizeof(*info));
656 info->library_name = "PCSX-ReARMed";
657 info->library_version = "r22" GIT_VERSION;
658 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
659 info->need_fullpath = true;
660}
661
662void retro_get_system_av_info(struct retro_system_av_info *info)
663{
664 unsigned geom_height = vout_height > 0 ? vout_height : 240;
665 unsigned geom_width = vout_width > 0 ? vout_width : 320;
666
667 memset(info, 0, sizeof(*info));
668 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
669 info->timing.sample_rate = 44100.0;
670 info->geometry.base_width = geom_width;
671 info->geometry.base_height = geom_height;
672 info->geometry.max_width = VOUT_MAX_WIDTH;
673 info->geometry.max_height = VOUT_MAX_HEIGHT;
674 info->geometry.aspect_ratio = 4.0 / 3.0;
675}
676
677/* savestates */
678size_t retro_serialize_size(void)
679{
680 // it's currently 4380651-4397047 bytes,
681 // but have some reserved for future
682 return 0x440000;
683}
684
685struct save_fp
686{
687 char *buf;
688 size_t pos;
689 int is_write;
690};
691
692static void *save_open(const char *name, const char *mode)
693{
694 struct save_fp *fp;
695
696 if (name == NULL || mode == NULL)
697 return NULL;
698
699 fp = malloc(sizeof(*fp));
700 if (fp == NULL)
701 return NULL;
702
703 fp->buf = (char *)name;
704 fp->pos = 0;
705 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
706
707 return fp;
708}
709
710static int save_read(void *file, void *buf, u32 len)
711{
712 struct save_fp *fp = file;
713 if (fp == NULL || buf == NULL)
714 return -1;
715
716 memcpy(buf, fp->buf + fp->pos, len);
717 fp->pos += len;
718 return len;
719}
720
721static int save_write(void *file, const void *buf, u32 len)
722{
723 struct save_fp *fp = file;
724 if (fp == NULL || buf == NULL)
725 return -1;
726
727 memcpy(fp->buf + fp->pos, buf, len);
728 fp->pos += len;
729 return len;
730}
731
732static long save_seek(void *file, long offs, int whence)
733{
734 struct save_fp *fp = file;
735 if (fp == NULL)
736 return -1;
737
738 switch (whence)
739 {
740 case SEEK_CUR:
741 fp->pos += offs;
742 return fp->pos;
743 case SEEK_SET:
744 fp->pos = offs;
745 return fp->pos;
746 default:
747 return -1;
748 }
749}
750
751static void save_close(void *file)
752{
753 struct save_fp *fp = file;
754 size_t r_size = retro_serialize_size();
755 if (fp == NULL)
756 return;
757
758 if (fp->pos > r_size)
759 SysPrintf("ERROR: save buffer overflow detected\n");
760 else if (fp->is_write && fp->pos < r_size)
761 // make sure we don't save trash in leftover space
762 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
763 free(fp);
764}
765
766bool retro_serialize(void *data, size_t size)
767{
768 int ret = SaveState(data);
769 return ret == 0 ? true : false;
770}
771
772bool retro_unserialize(const void *data, size_t size)
773{
774 int ret = LoadState(data);
775 return ret == 0 ? true : false;
776}
777
778/* cheats */
779void retro_cheat_reset(void)
780{
781 ClearAllCheats();
782}
783
784void retro_cheat_set(unsigned index, bool enabled, const char *code)
785{
786 char buf[256];
787 int ret;
788
789 // cheat funcs are destructive, need a copy..
790 strncpy(buf, code, sizeof(buf));
791 buf[sizeof(buf) - 1] = 0;
792
793 //Prepare buffered cheat for PCSX's AddCheat fucntion.
794 int cursor = 0;
795 int nonhexdec = 0;
796 while (buf[cursor])
797 {
798 if (!(ISHEXDEC))
799 {
800 if (++nonhexdec % 2)
801 {
802 buf[cursor] = ' ';
803 }
804 else
805 {
806 buf[cursor] = '\n';
807 }
808 }
809 cursor++;
810 }
811
812 if (index < NumCheats)
813 ret = EditCheat(index, "", buf);
814 else
815 ret = AddCheat("", buf);
816
817 if (ret != 0)
818 SysPrintf("Failed to set cheat %#u\n", index);
819 else if (index < NumCheats)
820 Cheats[index].Enabled = enabled;
821}
822
823// just in case, maybe a win-rt port in the future?
824#ifdef _WIN32
825#define SLASH '\\'
826#else
827#define SLASH '/'
828#endif
829
830#ifndef PATH_MAX
831#define PATH_MAX 4096
832#endif
833
834/* multidisk support */
835static unsigned int disk_initial_index;
836static char disk_initial_path[PATH_MAX];
837static bool disk_ejected;
838static unsigned int disk_current_index;
839static unsigned int disk_count;
840static struct disks_state
841{
842 char *fname;
843 char *flabel;
844 int internal_index; // for multidisk eboots
845} disks[8];
846
847static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
848{
849 const char *base = NULL;
850
851 if (!disk_path || (*disk_path == '\0'))
852 return;
853
854 base = strrchr(disk_path, SLASH);
855 if (!base)
856 base = disk_path;
857
858 if (*base == SLASH)
859 base++;
860
861 strncpy(disk_label, base, len - 1);
862 disk_label[len - 1] = '\0';
863
864 char *ext = strrchr(disk_label, '.');
865 if (ext)
866 *ext = '\0';
867}
868
869static void disk_init(void)
870{
871 size_t i;
872
873 disk_ejected = false;
874 disk_current_index = 0;
875 disk_count = 0;
876
877 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
878 {
879 if (disks[i].fname != NULL)
880 {
881 free(disks[i].fname);
882 disks[i].fname = NULL;
883 }
884 if (disks[i].flabel != NULL)
885 {
886 free(disks[i].flabel);
887 disks[i].flabel = NULL;
888 }
889 disks[i].internal_index = 0;
890 }
891}
892
893static bool disk_set_eject_state(bool ejected)
894{
895 // weird PCSX API..
896 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
897 LidInterrupt();
898
899 disk_ejected = ejected;
900 return true;
901}
902
903static bool disk_get_eject_state(void)
904{
905 /* can't be controlled by emulated software */
906 return disk_ejected;
907}
908
909static unsigned int disk_get_image_index(void)
910{
911 return disk_current_index;
912}
913
914static bool disk_set_image_index(unsigned int index)
915{
916 if (index >= sizeof(disks) / sizeof(disks[0]))
917 return false;
918
919 CdromId[0] = '\0';
920 CdromLabel[0] = '\0';
921
922 if (disks[index].fname == NULL)
923 {
924 SysPrintf("missing disk #%u\n", index);
925 CDR_shutdown();
926
927 // RetroArch specifies "no disk" with index == count,
928 // so don't fail here..
929 disk_current_index = index;
930 return true;
931 }
932
933 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
934 disks[index].fname, disks[index].internal_index);
935
936 cdrIsoMultidiskSelect = disks[index].internal_index;
937 set_cd_image(disks[index].fname);
938 if (ReloadCdromPlugin() < 0)
939 {
940 SysPrintf("failed to load cdr plugin\n");
941 return false;
942 }
943 if (CDR_open() < 0)
944 {
945 SysPrintf("failed to open cdr plugin\n");
946 return false;
947 }
948
949 if (!disk_ejected)
950 {
951 SetCdOpenCaseTime(time(NULL) + 2);
952 LidInterrupt();
953 }
954
955 disk_current_index = index;
956 return true;
957}
958
959static unsigned int disk_get_num_images(void)
960{
961 return disk_count;
962}
963
964static bool disk_replace_image_index(unsigned index,
965 const struct retro_game_info *info)
966{
967 char *old_fname = NULL;
968 char *old_flabel = NULL;
969 bool ret = true;
970
971 if (index >= sizeof(disks) / sizeof(disks[0]))
972 return false;
973
974 old_fname = disks[index].fname;
975 old_flabel = disks[index].flabel;
976
977 disks[index].fname = NULL;
978 disks[index].flabel = NULL;
979 disks[index].internal_index = 0;
980
981 if (info != NULL)
982 {
983 char disk_label[PATH_MAX];
984 disk_label[0] = '\0';
985
986 disks[index].fname = strdup(info->path);
987
988 get_disk_label(disk_label, info->path, PATH_MAX);
989 disks[index].flabel = strdup(disk_label);
990
991 if (index == disk_current_index)
992 ret = disk_set_image_index(index);
993 }
994
995 if (old_fname != NULL)
996 free(old_fname);
997
998 if (old_flabel != NULL)
999 free(old_flabel);
1000
1001 return ret;
1002}
1003
1004static bool disk_add_image_index(void)
1005{
1006 if (disk_count >= 8)
1007 return false;
1008
1009 disk_count++;
1010 return true;
1011}
1012
1013static bool disk_set_initial_image(unsigned index, const char *path)
1014{
1015 if (index >= sizeof(disks) / sizeof(disks[0]))
1016 return false;
1017
1018 if (!path || (*path == '\0'))
1019 return false;
1020
1021 disk_initial_index = index;
1022
1023 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1024 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1025
1026 return true;
1027}
1028
1029static bool disk_get_image_path(unsigned index, char *path, size_t len)
1030{
1031 const char *fname = NULL;
1032
1033 if (len < 1)
1034 return false;
1035
1036 if (index >= sizeof(disks) / sizeof(disks[0]))
1037 return false;
1038
1039 fname = disks[index].fname;
1040
1041 if (!fname || (*fname == '\0'))
1042 return false;
1043
1044 strncpy(path, fname, len - 1);
1045 path[len - 1] = '\0';
1046
1047 return true;
1048}
1049
1050static bool disk_get_image_label(unsigned index, char *label, size_t len)
1051{
1052 const char *flabel = NULL;
1053
1054 if (len < 1)
1055 return false;
1056
1057 if (index >= sizeof(disks) / sizeof(disks[0]))
1058 return false;
1059
1060 flabel = disks[index].flabel;
1061
1062 if (!flabel || (*flabel == '\0'))
1063 return false;
1064
1065 strncpy(label, flabel, len - 1);
1066 label[len - 1] = '\0';
1067
1068 return true;
1069}
1070
1071static struct retro_disk_control_callback disk_control = {
1072 .set_eject_state = disk_set_eject_state,
1073 .get_eject_state = disk_get_eject_state,
1074 .get_image_index = disk_get_image_index,
1075 .set_image_index = disk_set_image_index,
1076 .get_num_images = disk_get_num_images,
1077 .replace_image_index = disk_replace_image_index,
1078 .add_image_index = disk_add_image_index,
1079};
1080
1081static struct retro_disk_control_ext_callback disk_control_ext = {
1082 .set_eject_state = disk_set_eject_state,
1083 .get_eject_state = disk_get_eject_state,
1084 .get_image_index = disk_get_image_index,
1085 .set_image_index = disk_set_image_index,
1086 .get_num_images = disk_get_num_images,
1087 .replace_image_index = disk_replace_image_index,
1088 .add_image_index = disk_add_image_index,
1089 .set_initial_image = disk_set_initial_image,
1090 .get_image_path = disk_get_image_path,
1091 .get_image_label = disk_get_image_label,
1092};
1093
1094static char base_dir[1024];
1095
1096static bool read_m3u(const char *file)
1097{
1098 char line[1024];
1099 char name[PATH_MAX];
1100 FILE *fp = fopen(file, "r");
1101 if (!fp)
1102 return false;
1103
1104 while (fgets(line, sizeof(line), fp) && disk_count < sizeof(disks) / sizeof(disks[0]))
1105 {
1106 if (line[0] == '#')
1107 continue;
1108 char *carrige_return = strchr(line, '\r');
1109 if (carrige_return)
1110 *carrige_return = '\0';
1111 char *newline = strchr(line, '\n');
1112 if (newline)
1113 *newline = '\0';
1114
1115 if (line[0] != '\0')
1116 {
1117 char disk_label[PATH_MAX];
1118 disk_label[0] = '\0';
1119
1120 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1121 disks[disk_count].fname = strdup(name);
1122
1123 get_disk_label(disk_label, name, PATH_MAX);
1124 disks[disk_count].flabel = strdup(disk_label);
1125
1126 disk_count++;
1127 }
1128 }
1129
1130 fclose(fp);
1131 return (disk_count != 0);
1132}
1133
1134static void extract_directory(char *buf, const char *path, size_t size)
1135{
1136 char *base;
1137 strncpy(buf, path, size - 1);
1138 buf[size - 1] = '\0';
1139
1140 base = strrchr(buf, '/');
1141 if (!base)
1142 base = strrchr(buf, '\\');
1143
1144 if (base)
1145 *base = '\0';
1146 else
1147 {
1148 buf[0] = '.';
1149 buf[1] = '\0';
1150 }
1151}
1152
1153#if defined(__QNX__) || defined(_WIN32)
1154/* Blackberry QNX doesn't have strcasestr */
1155
1156/*
1157 * Find the first occurrence of find in s, ignore case.
1158 */
1159char *
1160strcasestr(const char *s, const char *find)
1161{
1162 char c, sc;
1163 size_t len;
1164
1165 if ((c = *find++) != 0)
1166 {
1167 c = tolower((unsigned char)c);
1168 len = strlen(find);
1169 do
1170 {
1171 do
1172 {
1173 if ((sc = *s++) == 0)
1174 return (NULL);
1175 } while ((char)tolower((unsigned char)sc) != c);
1176 } while (strncasecmp(s, find, len) != 0);
1177 s--;
1178 }
1179 return ((char *)s);
1180}
1181#endif
1182
1183static void set_retro_memmap(void)
1184{
1185#ifndef NDEBUG
1186 struct retro_memory_map retromap = { 0 };
1187 struct retro_memory_descriptor mmap = {
1188 0, psxM, 0, 0, 0, 0, 0x200000
1189 };
1190
1191 retromap.descriptors = &mmap;
1192 retromap.num_descriptors = 1;
1193
1194 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1195#endif
1196}
1197
1198static void update_variables(bool in_flight);
1199bool retro_load_game(const struct retro_game_info *info)
1200{
1201 size_t i;
1202 unsigned int cd_index = 0;
1203 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1204
1205 struct retro_input_descriptor desc[] = {
1206#define JOYP(port) \
1207 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1208 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1209 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1210 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1211 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1212 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1213 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1214 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1215 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1216 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1217 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1218 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1219 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1220 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1221 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1222 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1223 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1224 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1225 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1226 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1227
1228 JOYP(0)
1229 JOYP(1)
1230 JOYP(2)
1231 JOYP(3)
1232 JOYP(4)
1233 JOYP(5)
1234 JOYP(6)
1235 JOYP(7)
1236
1237 { 0 },
1238 };
1239
1240 frame_count = 0;
1241
1242 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1243
1244#ifdef FRONTEND_SUPPORTS_RGB565
1245 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1246 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1247 {
1248 SysPrintf("RGB565 supported, using it\n");
1249 }
1250#endif
1251
1252 if (info == NULL || info->path == NULL)
1253 {
1254 SysPrintf("info->path required\n");
1255 return false;
1256 }
1257
1258 update_variables(false);
1259
1260 if (plugins_opened)
1261 {
1262 ClosePlugins();
1263 plugins_opened = 0;
1264 }
1265
1266 disk_init();
1267
1268 extract_directory(base_dir, info->path, sizeof(base_dir));
1269
1270 if (is_m3u)
1271 {
1272 if (!read_m3u(info->path))
1273 {
1274 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1275 return false;
1276 }
1277 }
1278 else
1279 {
1280 char disk_label[PATH_MAX];
1281 disk_label[0] = '\0';
1282
1283 disk_count = 1;
1284 disks[0].fname = strdup(info->path);
1285
1286 get_disk_label(disk_label, info->path, PATH_MAX);
1287 disks[0].flabel = strdup(disk_label);
1288 }
1289
1290 /* If this is an M3U file, attempt to set the
1291 * initial disk image */
1292 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1293 {
1294 const char *fname = disks[disk_initial_index].fname;
1295
1296 if (fname && (*fname != '\0'))
1297 if (strcmp(disk_initial_path, fname) == 0)
1298 cd_index = disk_initial_index;
1299 }
1300
1301 set_cd_image(disks[cd_index].fname);
1302 disk_current_index = cd_index;
1303
1304 /* have to reload after set_cd_image for correct cdr plugin */
1305 if (LoadPlugins() == -1)
1306 {
1307 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1308 return false;
1309 }
1310
1311 plugins_opened = 1;
1312 NetOpened = 0;
1313
1314 if (OpenPlugins() == -1)
1315 {
1316 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1317 return false;
1318 }
1319
1320 /* Handle multi-disk images (i.e. PBP)
1321 * > Cannot do this until after OpenPlugins() is
1322 * called (since this sets the value of
1323 * cdrIsoMultidiskCount) */
1324 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1325 {
1326 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1327
1328 /* Small annoyance: We need to change the label
1329 * of disk 0, so have to clear existing entries */
1330 if (disks[0].fname != NULL)
1331 free(disks[0].fname);
1332 disks[0].fname = NULL;
1333
1334 if (disks[0].flabel != NULL)
1335 free(disks[0].flabel);
1336 disks[0].flabel = NULL;
1337
1338 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1339 {
1340 char disk_name[PATH_MAX - 16] = { 0 };
1341 char disk_label[PATH_MAX] = { 0 };
1342
1343 disks[i].fname = strdup(info->path);
1344
1345 get_disk_label(disk_name, info->path, sizeof(disk_name));
1346 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1347 disks[i].flabel = strdup(disk_label);
1348
1349 disks[i].internal_index = i;
1350 }
1351
1352 /* This is not an M3U file, so initial disk
1353 * image has not yet been set - attempt to
1354 * do so now */
1355 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1356 {
1357 const char *fname = disks[disk_initial_index].fname;
1358
1359 if (fname && (*fname != '\0'))
1360 if (strcmp(disk_initial_path, fname) == 0)
1361 cd_index = disk_initial_index;
1362 }
1363
1364 if (cd_index > 0)
1365 {
1366 CdromId[0] = '\0';
1367 CdromLabel[0] = '\0';
1368
1369 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1370 disk_current_index = cd_index;
1371 set_cd_image(disks[cd_index].fname);
1372
1373 if (ReloadCdromPlugin() < 0)
1374 {
1375 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1376 return false;
1377 }
1378 if (CDR_open() < 0)
1379 {
1380 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1381 return false;
1382 }
1383 }
1384 }
1385
1386 /* set ports to use "standard controller" initially */
1387 for (i = 0; i < 8; ++i)
1388 in_type[i] = PSE_PAD_TYPE_STANDARD;
1389
1390 plugin_call_rearmed_cbs();
1391 /* dfinput_activate(); */
1392
1393 if (CheckCdrom() == -1)
1394 {
1395 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1396 return false;
1397 }
1398
1399 SysReset();
1400
1401 if (LoadCdrom() == -1)
1402 {
1403 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1404 return false;
1405 }
1406 emu_on_new_cd(0);
1407
1408 set_retro_memmap();
1409
1410 return true;
1411}
1412
1413unsigned retro_get_region(void)
1414{
1415 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1416}
1417
1418void *retro_get_memory_data(unsigned id)
1419{
1420 if (id == RETRO_MEMORY_SAVE_RAM)
1421 return Mcd1Data;
1422 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1423 return psxM;
1424 else
1425 return NULL;
1426}
1427
1428size_t retro_get_memory_size(unsigned id)
1429{
1430 if (id == RETRO_MEMORY_SAVE_RAM)
1431 return MCD_SIZE;
1432 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1433 return 0x200000;
1434 else
1435 return 0;
1436}
1437
1438void retro_reset(void)
1439{
1440 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1441 rebootemu = 1;
1442 //SysReset();
1443}
1444
1445static const unsigned short retro_psx_map[] = {
1446 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1447 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1448 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1449 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1450 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1451 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1452 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1453 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1454 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1455 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1456 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1457 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1458 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1459 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1460 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1461 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1462};
1463#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1464
1465//Percentage distance of screen to adjust
1466static int GunconAdjustX = 0;
1467static int GunconAdjustY = 0;
1468
1469//Used when out by a percentage
1470static float GunconAdjustRatioX = 1;
1471static float GunconAdjustRatioY = 1;
1472
1473static void update_variables(bool in_flight)
1474{
1475 struct retro_variable var;
1476#ifdef GPU_PEOPS
1477 int gpu_peops_fix = 0;
1478#endif
1479
1480 var.value = NULL;
1481 var.key = "pcsx_rearmed_frameskip";
1482 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1483 pl_rearmed_cbs.frameskip = atoi(var.value);
1484
1485 var.value = NULL;
1486 var.key = "pcsx_rearmed_region";
1487 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1488 {
1489 Config.PsxAuto = 0;
1490 if (strcmp(var.value, "auto") == 0)
1491 Config.PsxAuto = 1;
1492 else if (strcmp(var.value, "NTSC") == 0)
1493 Config.PsxType = 0;
1494 else if (strcmp(var.value, "PAL") == 0)
1495 Config.PsxType = 1;
1496 }
1497
1498 update_multitap();
1499
1500 var.value = NULL;
1501 var.key = "pcsx_rearmed_negcon_deadzone";
1502 negcon_deadzone = 0;
1503 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1504 {
1505 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1506 }
1507
1508 var.value = NULL;
1509 var.key = "pcsx_rearmed_negcon_response";
1510 negcon_linearity = 1;
1511 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1512 {
1513 if (strcmp(var.value, "quadratic") == 0)
1514 {
1515 negcon_linearity = 2;
1516 }
1517 else if (strcmp(var.value, "cubic") == 0)
1518 {
1519 negcon_linearity = 3;
1520 }
1521 }
1522
1523 var.value = NULL;
1524 var.key = "pcsx_rearmed_analog_axis_modifier";
1525 axis_bounds_modifier = true;
1526 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1527 {
1528 if (strcmp(var.value, "square") == 0)
1529 {
1530 axis_bounds_modifier = true;
1531 }
1532 else if (strcmp(var.value, "circle") == 0)
1533 {
1534 axis_bounds_modifier = false;
1535 }
1536 }
1537
1538 var.value = NULL;
1539 var.key = "pcsx_rearmed_vibration";
1540
1541 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1542 {
1543 if (strcmp(var.value, "disabled") == 0)
1544 in_enable_vibration = 0;
1545 else if (strcmp(var.value, "enabled") == 0)
1546 in_enable_vibration = 1;
1547 }
1548
1549 var.value = NULL;
1550 var.key = "pcsx_rearmed_dithering";
1551
1552 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1553 {
1554 if (strcmp(var.value, "disabled") == 0)
1555 {
1556 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1557 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1558 pl_rearmed_cbs.gpu_unai.dithering = 0;
1559#ifdef __ARM_NEON__
1560 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1561#endif
1562 }
1563 else if (strcmp(var.value, "enabled") == 0)
1564 {
1565 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1566 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1567 pl_rearmed_cbs.gpu_unai.dithering = 1;
1568#ifdef __ARM_NEON__
1569 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1570#endif
1571 }
1572 }
1573
1574#ifdef GPU_NEON
1575 var.value = NULL;
1576 var.key = "pcsx_rearmed_neon_interlace_enable";
1577
1578 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1579 {
1580 if (strcmp(var.value, "disabled") == 0)
1581 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1582 else if (strcmp(var.value, "enabled") == 0)
1583 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1584 }
1585
1586 var.value = NULL;
1587 var.key = "pcsx_rearmed_neon_enhancement_enable";
1588
1589 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1590 {
1591 if (strcmp(var.value, "disabled") == 0)
1592 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1593 else if (strcmp(var.value, "enabled") == 0)
1594 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1595 }
1596
1597 var.value = NULL;
1598 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1599
1600 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1601 {
1602 if (strcmp(var.value, "disabled") == 0)
1603 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1604 else if (strcmp(var.value, "enabled") == 0)
1605 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1606 }
1607#endif
1608
1609 var.value = NULL;
1610 var.key = "pcsx_rearmed_duping_enable";
1611
1612 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1613 {
1614 if (strcmp(var.value, "disabled") == 0)
1615 duping_enable = false;
1616 else if (strcmp(var.value, "enabled") == 0)
1617 duping_enable = true;
1618 }
1619
1620 var.value = NULL;
1621 var.key = "pcsx_rearmed_display_internal_fps";
1622
1623 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1624 {
1625 if (strcmp(var.value, "disabled") == 0)
1626 display_internal_fps = false;
1627 else if (strcmp(var.value, "enabled") == 0)
1628 display_internal_fps = true;
1629 }
1630
1631#ifndef DRC_DISABLE
1632 var.value = NULL;
1633 var.key = "pcsx_rearmed_drc";
1634
1635 if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
1636 var.value = "enabled";
1637
1638 {
1639 R3000Acpu *prev_cpu = psxCpu;
1640#if defined(LIGHTREC)
1641 bool can_use_dynarec = found_bios;
1642#else
1643 bool can_use_dynarec = 1;
1644#endif
1645
1646#ifdef _3DS
1647 if (!__ctr_svchax)
1648 Config.Cpu = CPU_INTERPRETER;
1649 else
1650#endif
1651 if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
1652 Config.Cpu = CPU_INTERPRETER;
1653 else if (strcmp(var.value, "enabled") == 0)
1654 Config.Cpu = CPU_DYNAREC;
1655
1656 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1657 if (psxCpu != prev_cpu)
1658 {
1659 prev_cpu->Shutdown();
1660 psxCpu->Init();
1661 psxCpu->Reset(); // not really a reset..
1662 }
1663 }
1664#endif /* !DRC_DISABLE */
1665 psxCpu->ApplyConfig();
1666
1667 var.value = NULL;
1668 var.key = "pcsx_rearmed_spu_reverb";
1669
1670 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1671 {
1672 if (strcmp(var.value, "disabled") == 0)
1673 spu_config.iUseReverb = false;
1674 else if (strcmp(var.value, "enabled") == 0)
1675 spu_config.iUseReverb = true;
1676 }
1677
1678 var.value = NULL;
1679 var.key = "pcsx_rearmed_spu_interpolation";
1680
1681 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1682 {
1683 if (strcmp(var.value, "simple") == 0)
1684 spu_config.iUseInterpolation = 1;
1685 else if (strcmp(var.value, "gaussian") == 0)
1686 spu_config.iUseInterpolation = 2;
1687 else if (strcmp(var.value, "cubic") == 0)
1688 spu_config.iUseInterpolation = 3;
1689 else if (strcmp(var.value, "off") == 0)
1690 spu_config.iUseInterpolation = 0;
1691 }
1692
1693 var.value = NULL;
1694 var.key = "pcsx_rearmed_pe2_fix";
1695
1696 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1697 {
1698 if (strcmp(var.value, "disabled") == 0)
1699 Config.RCntFix = 0;
1700 else if (strcmp(var.value, "enabled") == 0)
1701 Config.RCntFix = 1;
1702 }
1703
1704 var.value = NULL;
1705 var.key = "pcsx_rearmed_icache_emulation";
1706
1707 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1708 {
1709 if (strcmp(var.value, "disabled") == 0)
1710 Config.icache_emulation = 0;
1711 else if (strcmp(var.value, "enabled") == 0)
1712 Config.icache_emulation = 1;
1713 }
1714
1715 var.value = NULL;
1716 var.key = "pcsx_rearmed_inuyasha_fix";
1717
1718 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1719 {
1720 if (strcmp(var.value, "disabled") == 0)
1721 Config.VSyncWA = 0;
1722 else if (strcmp(var.value, "enabled") == 0)
1723 Config.VSyncWA = 1;
1724 }
1725
1726#ifndef _WIN32
1727 var.value = NULL;
1728 var.key = "pcsx_rearmed_async_cd";
1729 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1730 {
1731 if (strcmp(var.value, "async") == 0)
1732 {
1733 Config.AsyncCD = 1;
1734 Config.CHD_Precache = 0;
1735 }
1736 else if (strcmp(var.value, "sync") == 0)
1737 {
1738 Config.AsyncCD = 0;
1739 Config.CHD_Precache = 0;
1740 }
1741 else if (strcmp(var.value, "precache") == 0)
1742 {
1743 Config.AsyncCD = 0;
1744 Config.CHD_Precache = 1;
1745 }
1746 }
1747#endif
1748
1749 var.value = NULL;
1750 var.key = "pcsx_rearmed_noxadecoding";
1751 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1752 {
1753 if (strcmp(var.value, "disabled") == 0)
1754 Config.Xa = 1;
1755 else
1756 Config.Xa = 0;
1757 }
1758
1759 var.value = NULL;
1760 var.key = "pcsx_rearmed_nocdaudio";
1761 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1762 {
1763 if (strcmp(var.value, "disabled") == 0)
1764 Config.Cdda = 1;
1765 else
1766 Config.Cdda = 0;
1767 }
1768
1769 var.value = NULL;
1770 var.key = "pcsx_rearmed_spuirq";
1771 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1772 {
1773 if (strcmp(var.value, "disabled") == 0)
1774 Config.SpuIrq = 0;
1775 else
1776 Config.SpuIrq = 1;
1777 }
1778
1779#ifdef THREAD_RENDERING
1780 var.key = "pcsx_rearmed_gpu_thread_rendering";
1781 var.value = NULL;
1782
1783 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1784 {
1785 if (strcmp(var.value, "disabled") == 0)
1786 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
1787 else if (strcmp(var.value, "sync") == 0)
1788 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
1789 else if (strcmp(var.value, "async") == 0)
1790 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
1791 }
1792#endif
1793
1794#ifdef GPU_PEOPS
1795 var.value = NULL;
1796 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1797
1798 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1799 {
1800 if (strcmp(var.value, "enabled") == 0)
1801 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1802 }
1803
1804 var.value = NULL;
1805 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1806
1807 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1808 {
1809 if (strcmp(var.value, "enabled") == 0)
1810 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1811 }
1812
1813 var.value = NULL;
1814 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1815
1816 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1817 {
1818 if (strcmp(var.value, "enabled") == 0)
1819 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1820 }
1821
1822 var.value = NULL;
1823 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1824
1825 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1826 {
1827 if (strcmp(var.value, "enabled") == 0)
1828 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1829 }
1830
1831 var.value = NULL;
1832 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1833
1834 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1835 {
1836 if (strcmp(var.value, "enabled") == 0)
1837 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1838 }
1839
1840 var.value = NULL;
1841 var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1842
1843 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1844 {
1845 if (strcmp(var.value, "enabled") == 0)
1846 gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1847 }
1848
1849 var.value = NULL;
1850 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1851
1852 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1853 {
1854 if (strcmp(var.value, "enabled") == 0)
1855 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1856 }
1857
1858 var.value = NULL;
1859 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
1860
1861 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1862 {
1863 if (strcmp(var.value, "enabled") == 0)
1864 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
1865 }
1866
1867 var.value = NULL;
1868 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
1869
1870 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1871 {
1872 if (strcmp(var.value, "enabled") == 0)
1873 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
1874 }
1875
1876 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1877 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1878
1879 /* Show/hide core options */
1880
1881 var.key = "pcsx_rearmed_show_gpu_peops_settings";
1882 var.value = NULL;
1883
1884 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1885 {
1886 int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
1887
1888 show_advanced_gpu_peops_settings = 1;
1889 if (strcmp(var.value, "disabled") == 0)
1890 show_advanced_gpu_peops_settings = 0;
1891
1892 if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
1893 {
1894 unsigned i;
1895 struct retro_core_option_display option_display;
1896 char gpu_peops_option[9][45] = {
1897 "pcsx_rearmed_gpu_peops_odd_even_bit",
1898 "pcsx_rearmed_gpu_peops_expand_screen_width",
1899 "pcsx_rearmed_gpu_peops_ignore_brightness",
1900 "pcsx_rearmed_gpu_peops_disable_coord_check",
1901 "pcsx_rearmed_gpu_peops_lazy_screen_update",
1902 "pcsx_rearmed_gpu_peops_old_frame_skip",
1903 "pcsx_rearmed_gpu_peops_repeated_triangles",
1904 "pcsx_rearmed_gpu_peops_quads_with_triangles",
1905 "pcsx_rearmed_gpu_peops_fake_busy_state"
1906 };
1907
1908 option_display.visible = show_advanced_gpu_peops_settings;
1909
1910 for (i = 0; i < 9; i++)
1911 {
1912 option_display.key = gpu_peops_option[i];
1913 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
1914 }
1915 }
1916 }
1917#endif
1918
1919#ifdef GPU_UNAI
1920 var.key = "pcsx_rearmed_gpu_unai_ilace_force";
1921 var.value = NULL;
1922
1923 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1924 {
1925 if (strcmp(var.value, "disabled") == 0)
1926 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
1927 else if (strcmp(var.value, "enabled") == 0)
1928 pl_rearmed_cbs.gpu_unai.ilace_force = 1;
1929 }
1930
1931 var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
1932 var.value = NULL;
1933
1934 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1935 {
1936 if (strcmp(var.value, "disabled") == 0)
1937 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
1938 else if (strcmp(var.value, "enabled") == 0)
1939 pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
1940 }
1941
1942 var.key = "pcsx_rearmed_gpu_unai_lighting";
1943 var.value = NULL;
1944
1945 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1946 {
1947 if (strcmp(var.value, "disabled") == 0)
1948 pl_rearmed_cbs.gpu_unai.lighting = 0;
1949 else if (strcmp(var.value, "enabled") == 0)
1950 pl_rearmed_cbs.gpu_unai.lighting = 1;
1951 }
1952
1953 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
1954 var.value = NULL;
1955
1956 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1957 {
1958 if (strcmp(var.value, "disabled") == 0)
1959 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
1960 else if (strcmp(var.value, "enabled") == 0)
1961 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
1962 }
1963
1964 var.key = "pcsx_rearmed_gpu_unai_blending";
1965 var.value = NULL;
1966
1967 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1968 {
1969 if (strcmp(var.value, "disabled") == 0)
1970 pl_rearmed_cbs.gpu_unai.blending = 0;
1971 else if (strcmp(var.value, "enabled") == 0)
1972 pl_rearmed_cbs.gpu_unai.blending = 1;
1973 }
1974
1975 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
1976 var.value = NULL;
1977
1978 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1979 {
1980 if (strcmp(var.value, "disabled") == 0)
1981 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
1982 else if (strcmp(var.value, "enabled") == 0)
1983 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
1984 }
1985
1986 var.key = "pcsx_rearmed_show_gpu_unai_settings";
1987 var.value = NULL;
1988
1989 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1990 {
1991 int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
1992
1993 show_advanced_gpu_unai_settings = 1;
1994 if (strcmp(var.value, "disabled") == 0)
1995 show_advanced_gpu_unai_settings = 0;
1996
1997 if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
1998 {
1999 unsigned i;
2000 struct retro_core_option_display option_display;
2001 char gpu_unai_option[6][40] = {
2002 "pcsx_rearmed_gpu_unai_blending",
2003 "pcsx_rearmed_gpu_unai_lighting",
2004 "pcsx_rearmed_gpu_unai_fast_lighting",
2005 "pcsx_rearmed_gpu_unai_ilace_force",
2006 "pcsx_rearmed_gpu_unai_pixel_skip",
2007 "pcsx_rearmed_gpu_unai_scale_hires",
2008 };
2009
2010 option_display.visible = show_advanced_gpu_unai_settings;
2011
2012 for (i = 0; i < 6; i++)
2013 {
2014 option_display.key = gpu_unai_option[i];
2015 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2016 }
2017 }
2018 }
2019#endif // GPU_UNAI
2020
2021 //This adjustment process gives the user the ability to manually align the mouse up better
2022 //with where the shots are in the emulator.
2023
2024 var.value = NULL;
2025 var.key = "pcsx_rearmed_gunconadjustx";
2026
2027 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2028 {
2029 GunconAdjustX = atoi(var.value);
2030 }
2031
2032 var.value = NULL;
2033 var.key = "pcsx_rearmed_gunconadjusty";
2034
2035 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2036 {
2037 GunconAdjustY = atoi(var.value);
2038 }
2039
2040 var.value = NULL;
2041 var.key = "pcsx_rearmed_gunconadjustratiox";
2042
2043 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2044 {
2045 GunconAdjustRatioX = atof(var.value);
2046 }
2047
2048 var.value = NULL;
2049 var.key = "pcsx_rearmed_gunconadjustratioy";
2050
2051 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2052 {
2053 GunconAdjustRatioY = atof(var.value);
2054 }
2055
2056#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
2057 var.value = NULL;
2058 var.key = "pcsx_rearmed_nosmccheck";
2059 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2060 {
2061 if (strcmp(var.value, "enabled") == 0)
2062 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2063 else
2064 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2065 }
2066
2067 var.value = NULL;
2068 var.key = "pcsx_rearmed_gteregsunneeded";
2069 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2070 {
2071 if (strcmp(var.value, "enabled") == 0)
2072 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2073 else
2074 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2075 }
2076
2077 var.value = NULL;
2078 var.key = "pcsx_rearmed_nogteflags";
2079 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2080 {
2081 if (strcmp(var.value, "enabled") == 0)
2082 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2083 else
2084 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2085 }
2086
2087 /* this probably is safe to change in real-time */
2088 var.value = NULL;
2089 var.key = "pcsx_rearmed_psxclock";
2090 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2091 {
2092 int psxclock = atoi(var.value);
2093 cycle_multiplier = 10000 / psxclock;
2094 }
2095
2096 var.value = NULL;
2097 var.key = "pcsx_rearmed_nocompathacks";
2098 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2099 {
2100 if (strcmp(var.value, "enabled") == 0)
2101 new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
2102 else
2103 new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
2104 }
2105#endif /* !DRC_DISABLE && !LIGHTREC */
2106
2107 var.value = NULL;
2108 var.key = "pcsx_rearmed_nostalls";
2109 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2110 {
2111 if (strcmp(var.value, "enabled") == 0)
2112 Config.DisableStalls = 1;
2113 else
2114 Config.DisableStalls = 0;
2115 }
2116
2117 var.value = NULL;
2118 var.key = "pcsx_rearmed_input_sensitivity";
2119 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2120 {
2121 mouse_sensitivity = atof(var.value);
2122 }
2123
2124 var.key = "pcsx_rearmed_show_other_input_settings";
2125 var.value = NULL;
2126
2127 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2128 {
2129 int previous_settings = show_other_input_settings;
2130
2131 show_other_input_settings = 1;
2132 if (strcmp(var.value, "disabled") == 0)
2133 show_other_input_settings = 0;
2134
2135 if (show_other_input_settings != previous_settings)
2136 {
2137 unsigned i;
2138 struct retro_core_option_display option_display;
2139 char gpu_peops_option[][50] = {
2140 "pcsx_rearmed_negcon_deadzone",
2141 "pcsx_rearmed_negcon_response",
2142 "pcsx_rearmed_analog_axis_modifier",
2143 "pcsx_rearmed_gunconadjustx",
2144 "pcsx_rearmed_gunconadjusty",
2145 "pcsx_rearmed_gunconadjustratiox",
2146 "pcsx_rearmed_gunconadjustratioy"
2147 };
2148 #define INPUT_LIST (sizeof(gpu_peops_option) / sizeof(gpu_peops_option[0]))
2149
2150 option_display.visible = show_other_input_settings;
2151
2152 for (i = 0; i < INPUT_LIST; i++)
2153 {
2154 option_display.key = gpu_peops_option[i];
2155 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2156 }
2157 }
2158 }
2159
2160 if (in_flight)
2161 {
2162 // inform core things about possible config changes
2163 plugin_call_rearmed_cbs();
2164
2165 if (GPU_open != NULL && GPU_close != NULL)
2166 {
2167 GPU_close();
2168 GPU_open(&gpuDisp, "PCSX", NULL);
2169 }
2170
2171 /* dfinput_activate(); */
2172 }
2173 else
2174 {
2175 //not yet running
2176
2177 //bootlogo display hack
2178 if (found_bios)
2179 {
2180 var.value = NULL;
2181 var.key = "pcsx_rearmed_show_bios_bootlogo";
2182 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2183 {
2184 Config.SlowBoot = 0;
2185 rebootemu = 0;
2186 if (strcmp(var.value, "enabled") == 0)
2187 {
2188 Config.SlowBoot = 1;
2189 rebootemu = 1;
2190 }
2191 }
2192 }
2193 }
2194}
2195
2196// Taken from beetle-psx-libretro
2197static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2198{
2199 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2200 // feature (or pre-date it) so we need to handle this in a graceful way.
2201
2202 // First, try and get an analog value using the new libretro API constant
2203 uint16_t button = input_state_cb(player_index,
2204 RETRO_DEVICE_ANALOG,
2205 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2206 id);
2207 button = MIN(button / 128, 255);
2208
2209 if (button == 0)
2210 {
2211 // If we got exactly zero, we're either not pressing the button, or the front-end
2212 // is not reporting analog values. We need to do a second check using the classic
2213 // digital API method, to at least get some response - better than nothing.
2214
2215 // NOTE: If we're really just not holding the button, we're still going to get zero.
2216
2217 button = (ret & (1 << id)) ? 255 : 0;
2218 }
2219
2220 return button;
2221}
2222
2223unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2224{
2225 float modifier_axis_range = 0;
2226
2227 if (is_square)
2228 {
2229 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2230 if (modifier_axis_range < 0)
2231 {
2232 modifier_axis_range = 0;
2233 }
2234 else if (modifier_axis_range > 255)
2235 {
2236 modifier_axis_range = 255;
2237 }
2238 }
2239 else
2240 {
2241 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2242 }
2243
2244 return modifier_axis_range;
2245}
2246
2247static void update_input_guncon(int port, int ret)
2248{
2249 //ToDo move across to:
2250 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2251 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2252 //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2253 //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2254 //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2255 //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2256 //Though not sure these are hooked up properly on the Pi
2257
2258 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2259
2260 // Trigger
2261 //The 1 is hardcoded instead of port to prevent the overlay mouse button libretro crash bug
2262 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2263 {
2264 in_keystate[port] |= (1 << DKEY_CIRCLE);
2265 }
2266
2267 // A
2268 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2269 {
2270 in_keystate[port] |= (1 << DKEY_START);
2271 }
2272
2273 // B
2274 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE))
2275 {
2276 in_keystate[port] |= (1 << DKEY_CROSS);
2277 }
2278
2279 int gunx = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2280 int guny = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2281
2282 //Mouse range is -32767 -> 32767
2283 //1% is about 655
2284 //Use the left analog stick field to store the absolute coordinates
2285 in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
2286 in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
2287}
2288
2289static void update_input_negcon(int port, int ret)
2290{
2291 int lsx;
2292 int rsy;
2293 int negcon_i_rs;
2294 int negcon_ii_rs;
2295 float negcon_twist_amplitude;
2296
2297 // Query digital inputs
2298 //
2299 // > Pad-Up
2300 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2301 in_keystate[port] |= (1 << DKEY_UP);
2302 // > Pad-Right
2303 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2304 in_keystate[port] |= (1 << DKEY_RIGHT);
2305 // > Pad-Down
2306 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2307 in_keystate[port] |= (1 << DKEY_DOWN);
2308 // > Pad-Left
2309 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2310 in_keystate[port] |= (1 << DKEY_LEFT);
2311 // > Start
2312 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2313 in_keystate[port] |= (1 << DKEY_START);
2314 // > neGcon A
2315 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2316 in_keystate[port] |= (1 << DKEY_CIRCLE);
2317 // > neGcon B
2318 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2319 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2320 // > neGcon R shoulder (digital)
2321 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2322 in_keystate[port] |= (1 << DKEY_R1);
2323 // Query analog inputs
2324 //
2325 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2326 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2327 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2328 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2329 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2330 // So we just have to map in_analog_left/right to more
2331 // appropriate inputs...
2332 //
2333 // > NeGcon twist
2334 // >> Get raw analog stick value and account for deadzone
2335 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2336 if (lsx > negcon_deadzone)
2337 lsx = lsx - negcon_deadzone;
2338 else if (lsx < -negcon_deadzone)
2339 lsx = lsx + negcon_deadzone;
2340 else
2341 lsx = 0;
2342 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2343 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2344 if (negcon_linearity == 2)
2345 {
2346 if (negcon_twist_amplitude < 0.0)
2347 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2348 else
2349 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2350 }
2351 else if (negcon_linearity == 3)
2352 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2353 // >> Convert to final 'in_analog' integer value [0,255]
2354 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2355 // > NeGcon I + II
2356 // >> Handle right analog stick vertical axis mapping...
2357 // - Up (-Y) == accelerate == neGcon I
2358 // - Down (+Y) == brake == neGcon II
2359 negcon_i_rs = 0;
2360 negcon_ii_rs = 0;
2361 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2362 if (rsy >= 0)
2363 {
2364 // Account for deadzone
2365 // (Note: have never encountered a gamepad with significant differences
2366 // in deadzone between left/right analog sticks, so use the regular 'twist'
2367 // deadzone here)
2368 if (rsy > negcon_deadzone)
2369 rsy = rsy - negcon_deadzone;
2370 else
2371 rsy = 0;
2372 // Convert to 'in_analog' integer value [0,255]
2373 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2374 }
2375 else
2376 {
2377 if (rsy < -negcon_deadzone)
2378 rsy = -1 * (rsy + negcon_deadzone);
2379 else
2380 rsy = 0;
2381 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2382 }
2383 // >> NeGcon I
2384 in_analog_right[port][1] = MAX(
2385 MAX(
2386 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2387 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2388 negcon_i_rs);
2389 // >> NeGcon II
2390 in_analog_left[port][0] = MAX(
2391 MAX(
2392 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2393 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2394 negcon_ii_rs);
2395 // > NeGcon L
2396 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2397}
2398
2399static void update_input_mouse(int port, int ret)
2400{
2401 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2402 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2403
2404 int x = (int)roundf(raw_x * mouse_sensitivity);
2405 int y = (int)roundf(raw_y * mouse_sensitivity);
2406
2407 if (x > 127) x = 127;
2408 else if (x < -128) x = -128;
2409
2410 if (y > 127) y = 127;
2411 else if (y < -128) y = -128;
2412
2413 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2414 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2415
2416 /* left mouse button state */
2417 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2418 in_keystate[port] |= 1 << 11;
2419
2420 /* right mouse button state */
2421 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2422 in_keystate[port] |= 1 << 10;
2423}
2424
2425static void update_input(void)
2426{
2427 // reset all keystate, query libretro for keystate
2428 int i;
2429 int j;
2430
2431 for (i = 0; i < PORTS_NUMBER; i++)
2432 {
2433 int16_t ret = 0;
2434 int type = in_type[i];
2435
2436 in_keystate[i] = 0;
2437
2438 if (type == PSE_PAD_TYPE_NONE)
2439 continue;
2440
2441 if (libretro_supports_bitmasks)
2442 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2443 else
2444 {
2445 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2446 {
2447 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2448 ret |= (1 << j);
2449 }
2450 }
2451
2452 switch (type)
2453 {
2454 case PSE_PAD_TYPE_GUNCON:
2455 update_input_guncon(i, ret);
2456 break;
2457 case PSE_PAD_TYPE_NEGCON:
2458 update_input_negcon(i, ret);
2459 break;
2460 case PSE_PAD_TYPE_MOUSE:
2461 update_input_mouse(i, ret);
2462 break;
2463 default:
2464 // Query digital inputs
2465 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2466 if (ret & (1 << j))
2467 in_keystate[i] |= retro_psx_map[j];
2468
2469 // Query analog inputs
2470 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2471 {
2472 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);
2473 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);
2474 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);
2475 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);
2476 }
2477 }
2478 }
2479}
2480
2481static void print_internal_fps(void)
2482{
2483 if (display_internal_fps)
2484 {
2485 frame_count++;
2486
2487 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2488 {
2489 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2490 char str[64];
2491 const char *strc = (const char *)str;
2492
2493 str[0] = '\0';
2494
2495 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2496
2497 pl_rearmed_cbs.flip_cnt = 0;
2498
2499 if (msg_interface_version >= 1)
2500 {
2501 struct retro_message_ext msg = {
2502 strc,
2503 3000,
2504 1,
2505 RETRO_LOG_INFO,
2506 RETRO_MESSAGE_TARGET_OSD,
2507 RETRO_MESSAGE_TYPE_STATUS,
2508 -1
2509 };
2510 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2511 }
2512 else
2513 {
2514 struct retro_message msg = {
2515 strc,
2516 180
2517 };
2518 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2519 }
2520 }
2521 }
2522 else
2523 frame_count = 0;
2524}
2525
2526void retro_run(void)
2527{
2528 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2529 if (rebootemu != 0)
2530 {
2531 rebootemu = 0;
2532 SysReset();
2533 if (!Config.HLE && !Config.SlowBoot)
2534 {
2535 // skip BIOS logos
2536 psxRegs.pc = psxRegs.GPR.n.ra;
2537 }
2538 return;
2539 }
2540
2541 print_internal_fps();
2542
2543 input_poll_cb();
2544
2545 update_input();
2546
2547 bool updated = false;
2548 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2549 update_variables(true);
2550
2551 stop = 0;
2552 psxCpu->Execute();
2553
2554 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2555 vout_width, vout_height, vout_width * 2);
2556 vout_fb_dirty = 0;
2557
2558 set_vout_fb();
2559}
2560
2561static bool try_use_bios(const char *path)
2562{
2563 long size;
2564 const char *name;
2565 FILE *fp = fopen(path, "rb");
2566 if (fp == NULL)
2567 return false;
2568
2569 fseek(fp, 0, SEEK_END);
2570 size = ftell(fp);
2571 fclose(fp);
2572
2573 if (size != 512 * 1024)
2574 return false;
2575
2576 name = strrchr(path, SLASH);
2577 if (name++ == NULL)
2578 name = path;
2579 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2580 return true;
2581}
2582
2583#ifndef VITA
2584#include <sys/types.h>
2585#include <dirent.h>
2586
2587static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2588{
2589 DIR *dir;
2590 struct dirent *ent;
2591 bool ret = false;
2592
2593 dir = opendir(dirpath);
2594 if (dir == NULL)
2595 return false;
2596
2597 while ((ent = readdir(dir)))
2598 {
2599 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2600 continue;
2601
2602 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2603 ret = try_use_bios(path);
2604 if (ret)
2605 break;
2606 }
2607 closedir(dir);
2608 return ret;
2609}
2610#else
2611#define find_any_bios(...) false
2612#endif
2613
2614static void check_system_specs(void)
2615{
2616 unsigned level = 6;
2617 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2618}
2619
2620static int init_memcards(void)
2621{
2622 int ret = 0;
2623 const char *dir;
2624 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
2625 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2626
2627 // Memcard2 will be handled and is re-enabled if needed using core
2628 // operations.
2629 // Memcard1 is handled by libretro, doing this will set core to
2630 // skip file io operations for memcard1 like SaveMcd
2631 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2632 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2633 init_memcard(Mcd1Data);
2634 // Memcard 2 is managed by the emulator on the filesystem,
2635 // There is no need to initialize Mcd2Data like Mcd1Data.
2636
2637 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2638 {
2639 SysPrintf("Memcard 2: %s\n", var.value);
2640 if (memcmp(var.value, "enabled", 7) == 0)
2641 {
2642 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
2643 {
2644 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
2645 {
2646 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2647 ret = -1;
2648 }
2649 else
2650 {
2651 McdDisable[1] = 0;
2652 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2653 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2654 }
2655 }
2656 else
2657 {
2658 SysPrintf("Could not get save directory! Could not create memcard 2.");
2659 ret = -1;
2660 }
2661 }
2662 }
2663 return ret;
2664}
2665
2666static void loadPSXBios(void)
2667{
2668 const char *dir;
2669 char path[PATH_MAX];
2670 unsigned useHLE = 0;
2671
2672 const char *bios[] = {
2673 "PSXONPSP660", "psxonpsp660",
2674 "SCPH101", "scph101",
2675 "SCPH5501", "scph5501",
2676 "SCPH7001", "scph7001",
2677 "SCPH1001", "scph1001"
2678 };
2679
2680 struct retro_variable var = {
2681 .key = "pcsx_rearmed_bios",
2682 .value = NULL
2683 };
2684
2685 found_bios = 0;
2686
2687 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2688 {
2689 if (!strcmp(var.value, "HLE"))
2690 useHLE = 1;
2691 }
2692
2693 if (!useHLE)
2694 {
2695 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2696 {
2697 unsigned i;
2698 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2699
2700 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
2701 {
2702 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2703 found_bios = try_use_bios(path);
2704 if (found_bios)
2705 break;
2706 }
2707
2708 if (!found_bios)
2709 found_bios = find_any_bios(dir, path, sizeof(path));
2710 }
2711 if (found_bios)
2712 {
2713 SysPrintf("found BIOS file: %s\n", Config.Bios);
2714 }
2715 }
2716
2717 if (!found_bios)
2718 {
2719 const char *msg_str;
2720 if (useHLE)
2721 {
2722 msg_str = "BIOS set to \'hle\' in core options - real BIOS will be ignored";
2723 SysPrintf("Using HLE BIOS.\n");
2724 }
2725 else
2726 {
2727 msg_str = "No PlayStation BIOS file found - add for better compatibility";
2728 SysPrintf("No BIOS files found.\n");
2729 }
2730
2731 if (msg_interface_version >= 1)
2732 {
2733 struct retro_message_ext msg = {
2734 msg_str,
2735 3000,
2736 3,
2737 RETRO_LOG_WARN,
2738 RETRO_MESSAGE_TARGET_ALL,
2739 RETRO_MESSAGE_TYPE_NOTIFICATION,
2740 -1
2741 };
2742 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2743 }
2744 else
2745 {
2746 struct retro_message msg = {
2747 msg_str,
2748 180
2749 };
2750 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2751 }
2752 }
2753}
2754
2755void retro_init(void)
2756{
2757 unsigned dci_version = 0;
2758 struct retro_rumble_interface rumble;
2759 int ret;
2760
2761 msg_interface_version = 0;
2762 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
2763
2764#if defined(__MACH__) && !defined(TVOS)
2765 // magic sauce to make the dynarec work on iOS
2766 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2767#endif
2768
2769#ifdef _3DS
2770 psxMapHook = pl_3ds_mmap;
2771 psxUnmapHook = pl_3ds_munmap;
2772#endif
2773#ifdef VITA
2774 if (init_vita_mmap() < 0)
2775 abort();
2776 psxMapHook = pl_vita_mmap;
2777 psxUnmapHook = pl_vita_munmap;
2778#endif
2779 ret = emu_core_preinit();
2780#ifdef _3DS
2781 /* emu_core_preinit sets the cpu to dynarec */
2782 if (!__ctr_svchax)
2783 Config.Cpu = CPU_INTERPRETER;
2784#endif
2785 ret |= init_memcards();
2786
2787 ret |= emu_core_init();
2788 if (ret != 0)
2789 {
2790 SysPrintf("PCSX init failed.\n");
2791 exit(1);
2792 }
2793
2794#ifdef _3DS
2795 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2796#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
2797 if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
2798 vout_buf = (void *) 0;
2799#else
2800 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2801#endif
2802
2803 vout_buf_ptr = vout_buf;
2804
2805 loadPSXBios();
2806
2807 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2808
2809 disk_initial_index = 0;
2810 disk_initial_path[0] = '\0';
2811 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2812 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2813 else
2814 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2815
2816 rumble_cb = NULL;
2817 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2818 rumble_cb = rumble.set_rumble_state;
2819
2820 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2821 * we have to do this because cache misses and some IO penalties
2822 * are not emulated. Warning: changing this may break compatibility. */
2823 cycle_multiplier = 175;
2824#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
2825 cycle_multiplier = 200;
2826#endif
2827 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2828 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2829 spu_config.iUseFixedUpdates = 1;
2830
2831 SaveFuncs.open = save_open;
2832 SaveFuncs.read = save_read;
2833 SaveFuncs.write = save_write;
2834 SaveFuncs.seek = save_seek;
2835 SaveFuncs.close = save_close;
2836
2837 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2838 libretro_supports_bitmasks = true;
2839
2840 check_system_specs();
2841}
2842
2843void retro_deinit(void)
2844{
2845 if (plugins_opened)
2846 {
2847 ClosePlugins();
2848 plugins_opened = 0;
2849 }
2850 SysClose();
2851#ifdef _3DS
2852 linearFree(vout_buf);
2853#else
2854 free(vout_buf);
2855#endif
2856 vout_buf = NULL;
2857
2858#ifdef VITA
2859 deinit_vita_mmap();
2860#endif
2861 libretro_supports_bitmasks = false;
2862
2863 /* Have to reset disks struct, otherwise
2864 * fnames/flabels will leak memory */
2865 disk_init();
2866}
2867
2868#ifdef VITA
2869#include <psp2/kernel/threadmgr.h>
2870int usleep(unsigned long us)
2871{
2872 sceKernelDelayThread(us);
2873}
2874#endif
2875
2876void SysPrintf(const char *fmt, ...)
2877{
2878 va_list list;
2879 char msg[512];
2880
2881 va_start(list, fmt);
2882 vsprintf(msg, fmt, list);
2883 va_end(list);
2884
2885 if (log_cb)
2886 log_cb(RETRO_LOG_INFO, "%s", msg);
2887}
2888
2889/* Prints debug-level logs */
2890void SysDLog(const char *fmt, ...)
2891{
2892 va_list list;
2893 char msg[512];
2894
2895 va_start(list, fmt);
2896 vsprintf(msg, fmt, list);
2897 va_end(list);
2898
2899 if (log_cb)
2900 log_cb(RETRO_LOG_DEBUG, "%s", msg);
2901}
ARM optimized PCSX fork