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