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Add an option to downscale hi-res views
[pcsx_rearmed.git] / frontend / libretro.c
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1/*
2 * (C) notaz, 2012,2014,2015
3 *
4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
8#define _GNU_SOURCE 1 // strcasestr
9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
12#include <strings.h>
13#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
17
18#ifdef SWITCH
19#include <switch.h>
20#endif
21
22#include "../libpcsxcore/misc.h"
23#include "../libpcsxcore/psxcounters.h"
24#include "../libpcsxcore/psxmem_map.h"
25#include "../libpcsxcore/new_dynarec/new_dynarec.h"
26#include "../libpcsxcore/cdrom.h"
27#include "../libpcsxcore/cdriso.h"
28#include "../libpcsxcore/cheat.h"
29#include "../libpcsxcore/r3000a.h"
30#include "../plugins/dfsound/out.h"
31#include "../plugins/dfsound/spu_config.h"
32#include "../plugins/dfinput/externals.h"
33#include "cspace.h"
34#include "main.h"
35#include "menu.h"
36#include "plugin.h"
37#include "plugin_lib.h"
38#include "arm_features.h"
39#include "revision.h"
40
41#include <libretro.h>
42#include "libretro_core_options.h"
43
44#ifdef _3DS
45#include "3ds/3ds_utils.h"
46#endif
47
48#define PORTS_NUMBER 8
49
50#ifndef MIN
51#define MIN(a, b) ((a) < (b) ? (a) : (b))
52#endif
53
54#ifndef MAX
55#define MAX(a, b) ((a) > (b) ? (a) : (b))
56#endif
57
58#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
59
60#define INTERNAL_FPS_SAMPLE_PERIOD 64
61
62//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
63static int rebootemu = 0;
64
65static retro_video_refresh_t video_cb;
66static retro_input_poll_t input_poll_cb;
67static retro_input_state_t input_state_cb;
68static retro_environment_t environ_cb;
69static retro_audio_sample_batch_t audio_batch_cb;
70static retro_set_rumble_state_t rumble_cb;
71static struct retro_log_callback logging;
72static retro_log_printf_t log_cb;
73
74static unsigned msg_interface_version = 0;
75
76static void *vout_buf;
77static void *vout_buf_ptr;
78static int vout_width, vout_height;
79static int vout_doffs_old, vout_fb_dirty;
80static bool vout_can_dupe;
81static bool duping_enable;
82static bool found_bios;
83static bool display_internal_fps = false;
84static unsigned frame_count = 0;
85static bool libretro_supports_bitmasks = false;
86#ifdef GPU_PEOPS
87static int show_advanced_gpu_peops_settings = -1;
88#endif
89#ifdef GPU_UNAI
90static int show_advanced_gpu_unai_settings = -1;
91#endif
92static int show_other_input_settings = -1;
93static float mouse_sensitivity = 1.0f;
94
95static unsigned previous_width = 0;
96static unsigned previous_height = 0;
97
98static int plugins_opened;
99static int is_pal_mode;
100
101/* memory card data */
102extern char Mcd1Data[MCD_SIZE];
103extern char Mcd2Data[MCD_SIZE];
104extern char McdDisable[2];
105
106/* PCSX ReARMed core calls and stuff */
107int in_type[8] = {
108 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
109 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
110 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
111 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE
112};
113int in_analog_left[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
114int in_analog_right[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
115unsigned short in_keystate[PORTS_NUMBER];
116int in_mouse[8][2];
117int multitap1 = 0;
118int multitap2 = 0;
119int in_enable_vibration = 1;
120
121// NegCon adjustment parameters
122// > The NegCon 'twist' action is somewhat awkward when mapped
123// to a standard analog stick -> user should be able to tweak
124// response/deadzone for comfort
125// > When response is linear, 'additional' deadzone (set here)
126// may be left at zero, since this is normally handled via in-game
127// options menus
128// > When response is non-linear, deadzone should be set to match the
129// controller being used (otherwise precision may be lost)
130// > negcon_linearity:
131// - 1: Response is linear - recommended when using racing wheel
132// peripherals, not recommended for standard gamepads
133// - 2: Response is quadratic - optimal setting for gamepads
134// - 3: Response is cubic - enables precise fine control, but
135// difficult to use...
136#define NEGCON_RANGE 0x7FFF
137static int negcon_deadzone = 0;
138static int negcon_linearity = 1;
139
140static bool axis_bounds_modifier;
141
142/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
143#define VOUT_MAX_WIDTH 1024
144#define VOUT_MAX_HEIGHT 512
145
146//Dummy functions
147bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) { return false; }
148void retro_unload_game(void) {}
149static int vout_open(void) { return 0; }
150static void vout_close(void) {}
151static int snd_init(void) { return 0; }
152static void snd_finish(void) {}
153static int snd_busy(void) { return 0; }
154
155#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
156#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
157#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
158#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
159#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
160#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
161#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
162#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
163#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
164
165static void init_memcard(char *mcd_data)
166{
167 unsigned off = 0;
168 unsigned i;
169
170 memset(mcd_data, 0, MCD_SIZE);
171
172 mcd_data[off++] = 'M';
173 mcd_data[off++] = 'C';
174 off += 0x7d;
175 mcd_data[off++] = 0x0e;
176
177 for (i = 0; i < 15; i++)
178 {
179 mcd_data[off++] = 0xa0;
180 off += 0x07;
181 mcd_data[off++] = 0xff;
182 mcd_data[off++] = 0xff;
183 off += 0x75;
184 mcd_data[off++] = 0xa0;
185 }
186
187 for (i = 0; i < 20; i++)
188 {
189 mcd_data[off++] = 0xff;
190 mcd_data[off++] = 0xff;
191 mcd_data[off++] = 0xff;
192 mcd_data[off++] = 0xff;
193 off += 0x04;
194 mcd_data[off++] = 0xff;
195 mcd_data[off++] = 0xff;
196 off += 0x76;
197 }
198}
199
200static void set_vout_fb()
201{
202 struct retro_framebuffer fb = { 0 };
203
204 fb.width = vout_width;
205 fb.height = vout_height;
206 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
207
208 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
209 vout_buf_ptr = (uint16_t *)fb.data;
210 else
211 vout_buf_ptr = vout_buf;
212}
213
214static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
215{
216 vout_width = w;
217 vout_height = h;
218
219 if (previous_width != vout_width || previous_height != vout_height)
220 {
221 previous_width = vout_width;
222 previous_height = vout_height;
223
224 struct retro_system_av_info info;
225 retro_get_system_av_info(&info);
226 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
227 }
228
229 set_vout_fb();
230}
231
232#ifndef FRONTEND_SUPPORTS_RGB565
233static void convert(void *buf, size_t bytes)
234{
235 unsigned int i, v, *p = buf;
236
237 for (i = 0; i < bytes / 4; i++)
238 {
239 v = p[i];
240 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
241 }
242}
243#endif
244
245static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
246{
247 unsigned short *dest = vout_buf_ptr;
248 const unsigned short *src = vram;
249 int dstride = vout_width, h1 = h;
250 int doffs;
251
252 if (vram == NULL)
253 {
254 // blanking
255 memset(vout_buf_ptr, 0, dstride * h * 2);
256 goto out;
257 }
258
259 doffs = (vout_height - h) * dstride;
260 doffs += (dstride - w) / 2 & ~1;
261 if (doffs != vout_doffs_old)
262 {
263 // clear borders
264 memset(vout_buf_ptr, 0, dstride * h * 2);
265 vout_doffs_old = doffs;
266 }
267 dest += doffs;
268
269 if (bgr24)
270 {
271 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
272 for (; h1-- > 0; dest += dstride, src += stride)
273 {
274 bgr888_to_rgb565(dest, src, w * 3);
275 }
276 }
277 else
278 {
279 for (; h1-- > 0; dest += dstride, src += stride)
280 {
281 bgr555_to_rgb565(dest, src, w * 2);
282 }
283 }
284
285out:
286#ifndef FRONTEND_SUPPORTS_RGB565
287 convert(vout_buf_ptr, vout_width * vout_height * 2);
288#endif
289 vout_fb_dirty = 1;
290 pl_rearmed_cbs.flip_cnt++;
291}
292
293#ifdef _3DS
294typedef struct
295{
296 void *buffer;
297 uint32_t target_map;
298 size_t size;
299 enum psxMapTag tag;
300} psx_map_t;
301
302psx_map_t custom_psx_maps[] = {
303 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
304 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
305 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
306 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
307 { NULL, 0x12000000, 0x200000, MAP_TAG_VRAM }, // 0x00000000
308};
309
310void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
311 enum psxMapTag tag)
312{
313 (void)is_fixed;
314 (void)addr;
315
316 if (__ctr_svchax)
317 {
318 psx_map_t *custom_map = custom_psx_maps;
319
320 for (; custom_map->size; custom_map++)
321 {
322 if ((custom_map->size == size) && (custom_map->tag == tag))
323 {
324 uint32_t ptr_aligned, tmp;
325
326 custom_map->buffer = malloc(size + 0x1000);
327 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
328
329 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
330 {
331 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
332 exit(1);
333 }
334
335 return (void *)custom_map->target_map;
336 }
337 }
338 }
339
340 return malloc(size);
341}
342
343void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
344{
345 (void)tag;
346
347 if (__ctr_svchax)
348 {
349 psx_map_t *custom_map = custom_psx_maps;
350
351 for (; custom_map->size; custom_map++)
352 {
353 if ((custom_map->target_map == (uint32_t)ptr))
354 {
355 uint32_t ptr_aligned, tmp;
356
357 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
358
359 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
360
361 free(custom_map->buffer);
362 custom_map->buffer = NULL;
363 return;
364 }
365 }
366 }
367
368 free(ptr);
369}
370#endif
371
372#ifdef VITA
373typedef struct
374{
375 void *buffer;
376 uint32_t target_map;
377 size_t size;
378 enum psxMapTag tag;
379} psx_map_t;
380
381void *addr = NULL;
382
383psx_map_t custom_psx_maps[] = {
384 { NULL, NULL, 0x210000, MAP_TAG_RAM }, // 0x80000000
385 { NULL, NULL, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
386 { NULL, NULL, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
387 { NULL, NULL, 0x800000, MAP_TAG_LUTS }, // 0x08000000
388 { NULL, NULL, 0x200000, MAP_TAG_VRAM }, // 0x00000000
389};
390
391int init_vita_mmap()
392{
393 int n;
394 void *tmpaddr;
395 addr = malloc(64 * 1024 * 1024);
396 if (addr == NULL)
397 return -1;
398 tmpaddr = ((u32)(addr + 0xFFFFFF)) & ~0xFFFFFF;
399 custom_psx_maps[0].buffer = tmpaddr + 0x2000000;
400 custom_psx_maps[1].buffer = tmpaddr + 0x1800000;
401 custom_psx_maps[2].buffer = tmpaddr + 0x1c00000;
402 custom_psx_maps[3].buffer = tmpaddr + 0x0000000;
403 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
404#if 0
405 for(n = 0; n < 5; n++){
406 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
407 }
408#endif
409 return 0;
410}
411
412void deinit_vita_mmap()
413{
414 free(addr);
415}
416
417void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
418 enum psxMapTag tag)
419{
420 (void)is_fixed;
421 (void)addr;
422
423 psx_map_t *custom_map = custom_psx_maps;
424
425 for (; custom_map->size; custom_map++)
426 {
427 if ((custom_map->size == size) && (custom_map->tag == tag))
428 {
429 return custom_map->buffer;
430 }
431 }
432
433 return malloc(size);
434}
435
436void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
437{
438 (void)tag;
439
440 psx_map_t *custom_map = custom_psx_maps;
441
442 for (; custom_map->size; custom_map++)
443 {
444 if ((custom_map->buffer == ptr))
445 {
446 return;
447 }
448 }
449
450 free(ptr);
451}
452#endif
453
454static void *pl_mmap(unsigned int size)
455{
456 return psxMap(0, size, 0, MAP_TAG_VRAM);
457}
458
459static void pl_munmap(void *ptr, unsigned int size)
460{
461 psxUnmap(ptr, size, MAP_TAG_VRAM);
462}
463
464struct rearmed_cbs pl_rearmed_cbs = {
465 .pl_vout_open = vout_open,
466 .pl_vout_set_mode = vout_set_mode,
467 .pl_vout_flip = vout_flip,
468 .pl_vout_close = vout_close,
469 .mmap = pl_mmap,
470 .munmap = pl_munmap,
471 /* from psxcounters */
472 .gpu_hcnt = &hSyncCount,
473 .gpu_frame_count = &frame_counter,
474};
475
476void pl_frame_limit(void)
477{
478 /* called once per frame, make psxCpu->Execute() above return */
479 stop = 1;
480}
481
482void pl_timing_prepare(int is_pal)
483{
484 is_pal_mode = is_pal;
485}
486
487void plat_trigger_vibrate(int pad, int low, int high)
488{
489 if (!rumble_cb)
490 return;
491
492 if (in_enable_vibration)
493 {
494 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
495 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
496 }
497}
498
499void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
500{
501}
502
503/* sound calls */
504static void snd_feed(void *buf, int bytes)
505{
506 if (audio_batch_cb != NULL)
507 audio_batch_cb(buf, bytes / 4);
508}
509
510void out_register_libretro(struct out_driver *drv)
511{
512 drv->name = "libretro";
513 drv->init = snd_init;
514 drv->finish = snd_finish;
515 drv->busy = snd_busy;
516 drv->feed = snd_feed;
517}
518
519/* libretro */
520void retro_set_environment(retro_environment_t cb)
521{
522 environ_cb = cb;
523
524 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
525 log_cb = logging.log;
526
527 libretro_set_core_options(environ_cb);
528}
529
530void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
531void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
532void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
533void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
534void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
535
536unsigned retro_api_version(void)
537{
538 return RETRO_API_VERSION;
539}
540
541static int controller_port_variable(unsigned port, struct retro_variable *var)
542{
543 if (port >= PORTS_NUMBER)
544 return 0;
545
546 if (!environ_cb)
547 return 0;
548
549 var->value = NULL;
550 switch (port)
551 {
552 case 0:
553 var->key = "pcsx_rearmed_pad1type";
554 break;
555 case 1:
556 var->key = "pcsx_rearmed_pad2type";
557 break;
558 case 2:
559 var->key = "pcsx_rearmed_pad3type";
560 break;
561 case 3:
562 var->key = "pcsx_rearmed_pad4type";
563 break;
564 case 4:
565 var->key = "pcsx_rearmed_pad5type";
566 break;
567 case 5:
568 var->key = "pcsx_rearmed_pad6type";
569 break;
570 case 6:
571 var->key = "pcsx_rearmed_pad7type";
572 break;
573 case 7:
574 var->key = "pcsx_rearmed_pad8type";
575 break;
576 }
577
578 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) && var->value;
579}
580
581static void update_controller_port_variable(unsigned port)
582{
583 if (port >= PORTS_NUMBER)
584 return;
585
586 struct retro_variable var;
587
588 if (controller_port_variable(port, &var))
589 {
590 if (strcmp(var.value, "standard") == 0)
591 in_type[port] = PSE_PAD_TYPE_STANDARD;
592 else if (strcmp(var.value, "analog") == 0)
593 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
594 else if (strcmp(var.value, "dualshock") == 0)
595 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
596 else if (strcmp(var.value, "negcon") == 0)
597 in_type[port] = PSE_PAD_TYPE_NEGCON;
598 else if (strcmp(var.value, "guncon") == 0)
599 in_type[port] = PSE_PAD_TYPE_GUNCON;
600 else if (strcmp(var.value, "mouse") == 0)
601 in_type[port] = PSE_PAD_TYPE_MOUSE;
602 else if (strcmp(var.value, "none") == 0)
603 in_type[port] = PSE_PAD_TYPE_NONE;
604 // else 'default' case, do nothing
605 }
606}
607
608static void update_controller_port_device(unsigned port, unsigned device)
609{
610 if (port >= PORTS_NUMBER)
611 return;
612
613 struct retro_variable var;
614
615 if (!controller_port_variable(port, &var))
616 return;
617
618 if (strcmp(var.value, "default") != 0)
619 return;
620
621 switch (device)
622 {
623 case RETRO_DEVICE_JOYPAD:
624 in_type[port] = PSE_PAD_TYPE_STANDARD;
625 break;
626 case RETRO_DEVICE_ANALOG:
627 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
628 break;
629 case RETRO_DEVICE_MOUSE:
630 in_type[port] = PSE_PAD_TYPE_MOUSE;
631 break;
632 case RETRO_DEVICE_LIGHTGUN:
633 in_type[port] = PSE_PAD_TYPE_GUN;
634 break;
635 case RETRO_DEVICE_NONE:
636 default:
637 in_type[port] = PSE_PAD_TYPE_NONE;
638 }
639}
640
641static void update_multitap()
642{
643 struct retro_variable var;
644 int auto_case, port;
645
646 var.value = NULL;
647 var.key = "pcsx_rearmed_multitap1";
648 auto_case = 0;
649 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
650 {
651 if (strcmp(var.value, "enabled") == 0)
652 multitap1 = 1;
653 else if (strcmp(var.value, "disabled") == 0)
654 multitap1 = 0;
655 else // 'auto' case
656 auto_case = 1;
657 }
658 else
659 auto_case = 1;
660
661 if (auto_case)
662 {
663 // If a gamepad is plugged after port 2, we need a first multitap.
664 multitap1 = 0;
665 for (port = 2; port < PORTS_NUMBER; port++)
666 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
667 }
668
669 var.value = NULL;
670 var.key = "pcsx_rearmed_multitap2";
671 auto_case = 0;
672 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
673 {
674 if (strcmp(var.value, "enabled") == 0)
675 multitap2 = 1;
676 else if (strcmp(var.value, "disabled") == 0)
677 multitap2 = 0;
678 else // 'auto' case
679 auto_case = 1;
680 }
681 else
682 auto_case = 1;
683
684 if (auto_case)
685 {
686 // If a gamepad is plugged after port 4, we need a second multitap.
687 multitap2 = 0;
688 for (port = 4; port < PORTS_NUMBER; port++)
689 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
690 }
691}
692
693void retro_set_controller_port_device(unsigned port, unsigned device)
694{
695 SysPrintf("port %u device %u", port, device);
696
697 if (port >= PORTS_NUMBER)
698 return;
699
700 update_controller_port_device(port, device);
701 update_multitap();
702}
703
704void retro_get_system_info(struct retro_system_info *info)
705{
706#ifndef GIT_VERSION
707#define GIT_VERSION ""
708#endif
709 memset(info, 0, sizeof(*info));
710 info->library_name = "PCSX-ReARMed";
711 info->library_version = "r22" GIT_VERSION;
712 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
713 info->need_fullpath = true;
714}
715
716void retro_get_system_av_info(struct retro_system_av_info *info)
717{
718 unsigned geom_height = vout_height > 0 ? vout_height : 240;
719 unsigned geom_width = vout_width > 0 ? vout_width : 320;
720
721 memset(info, 0, sizeof(*info));
722 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
723 info->timing.sample_rate = 44100.0;
724 info->geometry.base_width = geom_width;
725 info->geometry.base_height = geom_height;
726 info->geometry.max_width = VOUT_MAX_WIDTH;
727 info->geometry.max_height = VOUT_MAX_HEIGHT;
728 info->geometry.aspect_ratio = 4.0 / 3.0;
729}
730
731/* savestates */
732size_t retro_serialize_size(void)
733{
734 // it's currently 4380651-4397047 bytes,
735 // but have some reserved for future
736 return 0x440000;
737}
738
739struct save_fp
740{
741 char *buf;
742 size_t pos;
743 int is_write;
744};
745
746static void *save_open(const char *name, const char *mode)
747{
748 struct save_fp *fp;
749
750 if (name == NULL || mode == NULL)
751 return NULL;
752
753 fp = malloc(sizeof(*fp));
754 if (fp == NULL)
755 return NULL;
756
757 fp->buf = (char *)name;
758 fp->pos = 0;
759 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
760
761 return fp;
762}
763
764static int save_read(void *file, void *buf, u32 len)
765{
766 struct save_fp *fp = file;
767 if (fp == NULL || buf == NULL)
768 return -1;
769
770 memcpy(buf, fp->buf + fp->pos, len);
771 fp->pos += len;
772 return len;
773}
774
775static int save_write(void *file, const void *buf, u32 len)
776{
777 struct save_fp *fp = file;
778 if (fp == NULL || buf == NULL)
779 return -1;
780
781 memcpy(fp->buf + fp->pos, buf, len);
782 fp->pos += len;
783 return len;
784}
785
786static long save_seek(void *file, long offs, int whence)
787{
788 struct save_fp *fp = file;
789 if (fp == NULL)
790 return -1;
791
792 switch (whence)
793 {
794 case SEEK_CUR:
795 fp->pos += offs;
796 return fp->pos;
797 case SEEK_SET:
798 fp->pos = offs;
799 return fp->pos;
800 default:
801 return -1;
802 }
803}
804
805static void save_close(void *file)
806{
807 struct save_fp *fp = file;
808 size_t r_size = retro_serialize_size();
809 if (fp == NULL)
810 return;
811
812 if (fp->pos > r_size)
813 SysPrintf("ERROR: save buffer overflow detected\n");
814 else if (fp->is_write && fp->pos < r_size)
815 // make sure we don't save trash in leftover space
816 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
817 free(fp);
818}
819
820bool retro_serialize(void *data, size_t size)
821{
822 int ret = SaveState(data);
823 return ret == 0 ? true : false;
824}
825
826bool retro_unserialize(const void *data, size_t size)
827{
828 int ret = LoadState(data);
829 return ret == 0 ? true : false;
830}
831
832/* cheats */
833void retro_cheat_reset(void)
834{
835 ClearAllCheats();
836}
837
838void retro_cheat_set(unsigned index, bool enabled, const char *code)
839{
840 char buf[256];
841 int ret;
842
843 // cheat funcs are destructive, need a copy..
844 strncpy(buf, code, sizeof(buf));
845 buf[sizeof(buf) - 1] = 0;
846
847 //Prepare buffered cheat for PCSX's AddCheat fucntion.
848 int cursor = 0;
849 int nonhexdec = 0;
850 while (buf[cursor])
851 {
852 if (!(ISHEXDEC))
853 {
854 if (++nonhexdec % 2)
855 {
856 buf[cursor] = ' ';
857 }
858 else
859 {
860 buf[cursor] = '\n';
861 }
862 }
863 cursor++;
864 }
865
866 if (index < NumCheats)
867 ret = EditCheat(index, "", buf);
868 else
869 ret = AddCheat("", buf);
870
871 if (ret != 0)
872 SysPrintf("Failed to set cheat %#u\n", index);
873 else if (index < NumCheats)
874 Cheats[index].Enabled = enabled;
875}
876
877// just in case, maybe a win-rt port in the future?
878#ifdef _WIN32
879#define SLASH '\\'
880#else
881#define SLASH '/'
882#endif
883
884#ifndef PATH_MAX
885#define PATH_MAX 4096
886#endif
887
888/* multidisk support */
889static unsigned int disk_initial_index;
890static char disk_initial_path[PATH_MAX];
891static bool disk_ejected;
892static unsigned int disk_current_index;
893static unsigned int disk_count;
894static struct disks_state
895{
896 char *fname;
897 char *flabel;
898 int internal_index; // for multidisk eboots
899} disks[8];
900
901static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
902{
903 const char *base = NULL;
904
905 if (!disk_path || (*disk_path == '\0'))
906 return;
907
908 base = strrchr(disk_path, SLASH);
909 if (!base)
910 base = disk_path;
911
912 if (*base == SLASH)
913 base++;
914
915 strncpy(disk_label, base, len - 1);
916 disk_label[len - 1] = '\0';
917
918 char *ext = strrchr(disk_label, '.');
919 if (ext)
920 *ext = '\0';
921}
922
923static void disk_init(void)
924{
925 size_t i;
926
927 disk_ejected = false;
928 disk_current_index = 0;
929 disk_count = 0;
930
931 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
932 {
933 if (disks[i].fname != NULL)
934 {
935 free(disks[i].fname);
936 disks[i].fname = NULL;
937 }
938 if (disks[i].flabel != NULL)
939 {
940 free(disks[i].flabel);
941 disks[i].flabel = NULL;
942 }
943 disks[i].internal_index = 0;
944 }
945}
946
947static bool disk_set_eject_state(bool ejected)
948{
949 // weird PCSX API..
950 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
951 LidInterrupt();
952
953 disk_ejected = ejected;
954 return true;
955}
956
957static bool disk_get_eject_state(void)
958{
959 /* can't be controlled by emulated software */
960 return disk_ejected;
961}
962
963static unsigned int disk_get_image_index(void)
964{
965 return disk_current_index;
966}
967
968static bool disk_set_image_index(unsigned int index)
969{
970 if (index >= sizeof(disks) / sizeof(disks[0]))
971 return false;
972
973 CdromId[0] = '\0';
974 CdromLabel[0] = '\0';
975
976 if (disks[index].fname == NULL)
977 {
978 SysPrintf("missing disk #%u\n", index);
979 CDR_shutdown();
980
981 // RetroArch specifies "no disk" with index == count,
982 // so don't fail here..
983 disk_current_index = index;
984 return true;
985 }
986
987 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
988 disks[index].fname, disks[index].internal_index);
989
990 cdrIsoMultidiskSelect = disks[index].internal_index;
991 set_cd_image(disks[index].fname);
992 if (ReloadCdromPlugin() < 0)
993 {
994 SysPrintf("failed to load cdr plugin\n");
995 return false;
996 }
997 if (CDR_open() < 0)
998 {
999 SysPrintf("failed to open cdr plugin\n");
1000 return false;
1001 }
1002
1003 if (!disk_ejected)
1004 {
1005 SetCdOpenCaseTime(time(NULL) + 2);
1006 LidInterrupt();
1007 }
1008
1009 disk_current_index = index;
1010 return true;
1011}
1012
1013static unsigned int disk_get_num_images(void)
1014{
1015 return disk_count;
1016}
1017
1018static bool disk_replace_image_index(unsigned index,
1019 const struct retro_game_info *info)
1020{
1021 char *old_fname = NULL;
1022 char *old_flabel = NULL;
1023 bool ret = true;
1024
1025 if (index >= sizeof(disks) / sizeof(disks[0]))
1026 return false;
1027
1028 old_fname = disks[index].fname;
1029 old_flabel = disks[index].flabel;
1030
1031 disks[index].fname = NULL;
1032 disks[index].flabel = NULL;
1033 disks[index].internal_index = 0;
1034
1035 if (info != NULL)
1036 {
1037 char disk_label[PATH_MAX];
1038 disk_label[0] = '\0';
1039
1040 disks[index].fname = strdup(info->path);
1041
1042 get_disk_label(disk_label, info->path, PATH_MAX);
1043 disks[index].flabel = strdup(disk_label);
1044
1045 if (index == disk_current_index)
1046 ret = disk_set_image_index(index);
1047 }
1048
1049 if (old_fname != NULL)
1050 free(old_fname);
1051
1052 if (old_flabel != NULL)
1053 free(old_flabel);
1054
1055 return ret;
1056}
1057
1058static bool disk_add_image_index(void)
1059{
1060 if (disk_count >= 8)
1061 return false;
1062
1063 disk_count++;
1064 return true;
1065}
1066
1067static bool disk_set_initial_image(unsigned index, const char *path)
1068{
1069 if (index >= sizeof(disks) / sizeof(disks[0]))
1070 return false;
1071
1072 if (!path || (*path == '\0'))
1073 return false;
1074
1075 disk_initial_index = index;
1076
1077 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1078 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1079
1080 return true;
1081}
1082
1083static bool disk_get_image_path(unsigned index, char *path, size_t len)
1084{
1085 const char *fname = NULL;
1086
1087 if (len < 1)
1088 return false;
1089
1090 if (index >= sizeof(disks) / sizeof(disks[0]))
1091 return false;
1092
1093 fname = disks[index].fname;
1094
1095 if (!fname || (*fname == '\0'))
1096 return false;
1097
1098 strncpy(path, fname, len - 1);
1099 path[len - 1] = '\0';
1100
1101 return true;
1102}
1103
1104static bool disk_get_image_label(unsigned index, char *label, size_t len)
1105{
1106 const char *flabel = NULL;
1107
1108 if (len < 1)
1109 return false;
1110
1111 if (index >= sizeof(disks) / sizeof(disks[0]))
1112 return false;
1113
1114 flabel = disks[index].flabel;
1115
1116 if (!flabel || (*flabel == '\0'))
1117 return false;
1118
1119 strncpy(label, flabel, len - 1);
1120 label[len - 1] = '\0';
1121
1122 return true;
1123}
1124
1125static struct retro_disk_control_callback disk_control = {
1126 .set_eject_state = disk_set_eject_state,
1127 .get_eject_state = disk_get_eject_state,
1128 .get_image_index = disk_get_image_index,
1129 .set_image_index = disk_set_image_index,
1130 .get_num_images = disk_get_num_images,
1131 .replace_image_index = disk_replace_image_index,
1132 .add_image_index = disk_add_image_index,
1133};
1134
1135static struct retro_disk_control_ext_callback disk_control_ext = {
1136 .set_eject_state = disk_set_eject_state,
1137 .get_eject_state = disk_get_eject_state,
1138 .get_image_index = disk_get_image_index,
1139 .set_image_index = disk_set_image_index,
1140 .get_num_images = disk_get_num_images,
1141 .replace_image_index = disk_replace_image_index,
1142 .add_image_index = disk_add_image_index,
1143 .set_initial_image = disk_set_initial_image,
1144 .get_image_path = disk_get_image_path,
1145 .get_image_label = disk_get_image_label,
1146};
1147
1148static char base_dir[1024];
1149
1150static bool read_m3u(const char *file)
1151{
1152 char line[1024];
1153 char name[PATH_MAX];
1154 FILE *f = fopen(file, "r");
1155 if (!f)
1156 return false;
1157
1158 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0]))
1159 {
1160 if (line[0] == '#')
1161 continue;
1162 char *carrige_return = strchr(line, '\r');
1163 if (carrige_return)
1164 *carrige_return = '\0';
1165 char *newline = strchr(line, '\n');
1166 if (newline)
1167 *newline = '\0';
1168
1169 if (line[0] != '\0')
1170 {
1171 char disk_label[PATH_MAX];
1172 disk_label[0] = '\0';
1173
1174 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1175 disks[disk_count].fname = strdup(name);
1176
1177 get_disk_label(disk_label, name, PATH_MAX);
1178 disks[disk_count].flabel = strdup(disk_label);
1179
1180 disk_count++;
1181 }
1182 }
1183
1184 fclose(f);
1185 return (disk_count != 0);
1186}
1187
1188static void extract_directory(char *buf, const char *path, size_t size)
1189{
1190 char *base;
1191 strncpy(buf, path, size - 1);
1192 buf[size - 1] = '\0';
1193
1194 base = strrchr(buf, '/');
1195 if (!base)
1196 base = strrchr(buf, '\\');
1197
1198 if (base)
1199 *base = '\0';
1200 else
1201 {
1202 buf[0] = '.';
1203 buf[1] = '\0';
1204 }
1205}
1206
1207#if defined(__QNX__) || defined(_WIN32)
1208/* Blackberry QNX doesn't have strcasestr */
1209
1210/*
1211 * Find the first occurrence of find in s, ignore case.
1212 */
1213char *
1214strcasestr(const char *s, const char *find)
1215{
1216 char c, sc;
1217 size_t len;
1218
1219 if ((c = *find++) != 0)
1220 {
1221 c = tolower((unsigned char)c);
1222 len = strlen(find);
1223 do
1224 {
1225 do
1226 {
1227 if ((sc = *s++) == 0)
1228 return (NULL);
1229 } while ((char)tolower((unsigned char)sc) != c);
1230 } while (strncasecmp(s, find, len) != 0);
1231 s--;
1232 }
1233 return ((char *)s);
1234}
1235#endif
1236
1237static void set_retro_memmap(void)
1238{
1239#ifndef NDEBUG
1240 struct retro_memory_map retromap = { 0 };
1241 struct retro_memory_descriptor mmap = {
1242 0, psxM, 0, 0, 0, 0, 0x200000
1243 };
1244
1245 retromap.descriptors = &mmap;
1246 retromap.num_descriptors = 1;
1247
1248 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1249#endif
1250}
1251
1252static void update_variables(bool in_flight);
1253bool retro_load_game(const struct retro_game_info *info)
1254{
1255 size_t i;
1256 unsigned int cd_index = 0;
1257 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1258
1259 struct retro_input_descriptor desc[] = {
1260#define JOYP(port) \
1261 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1262 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1263 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1264 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1265 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1266 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1267 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1268 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1269 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1270 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1271 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1272 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1273 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1274 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1275 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1276 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1277 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1278 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1279 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1280 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1281
1282 JOYP(0)
1283 JOYP(1)
1284 JOYP(2)
1285 JOYP(3)
1286 JOYP(4)
1287 JOYP(5)
1288 JOYP(6)
1289 JOYP(7)
1290
1291 { 0 },
1292 };
1293
1294 frame_count = 0;
1295
1296 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1297
1298#ifdef FRONTEND_SUPPORTS_RGB565
1299 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1300 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1301 {
1302 SysPrintf("RGB565 supported, using it\n");
1303 }
1304#endif
1305
1306 if (info == NULL || info->path == NULL)
1307 {
1308 SysPrintf("info->path required\n");
1309 return false;
1310 }
1311
1312 update_variables(false);
1313
1314 if (plugins_opened)
1315 {
1316 ClosePlugins();
1317 plugins_opened = 0;
1318 }
1319
1320 disk_init();
1321
1322 extract_directory(base_dir, info->path, sizeof(base_dir));
1323
1324 if (is_m3u)
1325 {
1326 if (!read_m3u(info->path))
1327 {
1328 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1329 return false;
1330 }
1331 }
1332 else
1333 {
1334 char disk_label[PATH_MAX];
1335 disk_label[0] = '\0';
1336
1337 disk_count = 1;
1338 disks[0].fname = strdup(info->path);
1339
1340 get_disk_label(disk_label, info->path, PATH_MAX);
1341 disks[0].flabel = strdup(disk_label);
1342 }
1343
1344 /* If this is an M3U file, attempt to set the
1345 * initial disk image */
1346 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1347 {
1348 const char *fname = disks[disk_initial_index].fname;
1349
1350 if (fname && (*fname != '\0'))
1351 if (strcmp(disk_initial_path, fname) == 0)
1352 cd_index = disk_initial_index;
1353 }
1354
1355 set_cd_image(disks[cd_index].fname);
1356 disk_current_index = cd_index;
1357
1358 /* have to reload after set_cd_image for correct cdr plugin */
1359 if (LoadPlugins() == -1)
1360 {
1361 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1362 return false;
1363 }
1364
1365 plugins_opened = 1;
1366 NetOpened = 0;
1367
1368 if (OpenPlugins() == -1)
1369 {
1370 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1371 return false;
1372 }
1373
1374 /* Handle multi-disk images (i.e. PBP)
1375 * > Cannot do this until after OpenPlugins() is
1376 * called (since this sets the value of
1377 * cdrIsoMultidiskCount) */
1378 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1379 {
1380 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1381
1382 /* Small annoyance: We need to change the label
1383 * of disk 0, so have to clear existing entries */
1384 if (disks[0].fname != NULL)
1385 free(disks[0].fname);
1386 disks[0].fname = NULL;
1387
1388 if (disks[0].flabel != NULL)
1389 free(disks[0].flabel);
1390 disks[0].flabel = NULL;
1391
1392 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1393 {
1394 char disk_name[PATH_MAX];
1395 char disk_label[PATH_MAX];
1396 disk_name[0] = '\0';
1397 disk_label[0] = '\0';
1398
1399 disks[i].fname = strdup(info->path);
1400
1401 get_disk_label(disk_name, info->path, PATH_MAX);
1402 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1403 disks[i].flabel = strdup(disk_label);
1404
1405 disks[i].internal_index = i;
1406 }
1407
1408 /* This is not an M3U file, so initial disk
1409 * image has not yet been set - attempt to
1410 * do so now */
1411 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1412 {
1413 const char *fname = disks[disk_initial_index].fname;
1414
1415 if (fname && (*fname != '\0'))
1416 if (strcmp(disk_initial_path, fname) == 0)
1417 cd_index = disk_initial_index;
1418 }
1419
1420 if (cd_index > 0)
1421 {
1422 CdromId[0] = '\0';
1423 CdromLabel[0] = '\0';
1424
1425 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1426 disk_current_index = cd_index;
1427 set_cd_image(disks[cd_index].fname);
1428
1429 if (ReloadCdromPlugin() < 0)
1430 {
1431 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1432 return false;
1433 }
1434 if (CDR_open() < 0)
1435 {
1436 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1437 return false;
1438 }
1439 }
1440 }
1441
1442 plugin_call_rearmed_cbs();
1443 dfinput_activate();
1444
1445 if (CheckCdrom() == -1)
1446 {
1447 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1448 return false;
1449 }
1450
1451 SysReset();
1452
1453 if (LoadCdrom() == -1)
1454 {
1455 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1456 return false;
1457 }
1458 emu_on_new_cd(0);
1459
1460 set_retro_memmap();
1461
1462 return true;
1463}
1464
1465unsigned retro_get_region(void)
1466{
1467 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1468}
1469
1470void *retro_get_memory_data(unsigned id)
1471{
1472 if (id == RETRO_MEMORY_SAVE_RAM)
1473 return Mcd1Data;
1474 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1475 return psxM;
1476 else
1477 return NULL;
1478}
1479
1480size_t retro_get_memory_size(unsigned id)
1481{
1482 if (id == RETRO_MEMORY_SAVE_RAM)
1483 return MCD_SIZE;
1484 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1485 return 0x200000;
1486 else
1487 return 0;
1488}
1489
1490void retro_reset(void)
1491{
1492 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1493 rebootemu = 1;
1494 //SysReset();
1495}
1496
1497static const unsigned short retro_psx_map[] = {
1498 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1499 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1500 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1501 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1502 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1503 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1504 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1505 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1506 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1507 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1508 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1509 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1510 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1511 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1512 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1513 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1514};
1515#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1516
1517//Percentage distance of screen to adjust
1518static int GunconAdjustX = 0;
1519static int GunconAdjustY = 0;
1520
1521//Used when out by a percentage
1522static float GunconAdjustRatioX = 1;
1523static float GunconAdjustRatioY = 1;
1524
1525static void update_variables(bool in_flight)
1526{
1527 struct retro_variable var;
1528 int i;
1529#ifdef GPU_PEOPS
1530 int gpu_peops_fix = 0;
1531#endif
1532
1533 var.value = NULL;
1534 var.key = "pcsx_rearmed_frameskip";
1535 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1536 pl_rearmed_cbs.frameskip = atoi(var.value);
1537
1538 var.value = NULL;
1539 var.key = "pcsx_rearmed_region";
1540 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1541 {
1542 Config.PsxAuto = 0;
1543 if (strcmp(var.value, "auto") == 0)
1544 Config.PsxAuto = 1;
1545 else if (strcmp(var.value, "NTSC") == 0)
1546 Config.PsxType = 0;
1547 else if (strcmp(var.value, "PAL") == 0)
1548 Config.PsxType = 1;
1549 }
1550
1551 for (i = 0; i < PORTS_NUMBER; i++)
1552 update_controller_port_variable(i);
1553
1554 update_multitap();
1555
1556 var.value = NULL;
1557 var.key = "pcsx_rearmed_negcon_deadzone";
1558 negcon_deadzone = 0;
1559 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1560 {
1561 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1562 }
1563
1564 var.value = NULL;
1565 var.key = "pcsx_rearmed_negcon_response";
1566 negcon_linearity = 1;
1567 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1568 {
1569 if (strcmp(var.value, "quadratic") == 0)
1570 {
1571 negcon_linearity = 2;
1572 }
1573 else if (strcmp(var.value, "cubic") == 0)
1574 {
1575 negcon_linearity = 3;
1576 }
1577 }
1578
1579 var.value = NULL;
1580 var.key = "pcsx_rearmed_analog_axis_modifier";
1581 axis_bounds_modifier = true;
1582 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1583 {
1584 if (strcmp(var.value, "square") == 0)
1585 {
1586 axis_bounds_modifier = true;
1587 }
1588 else if (strcmp(var.value, "circle") == 0)
1589 {
1590 axis_bounds_modifier = false;
1591 }
1592 }
1593
1594 var.value = NULL;
1595 var.key = "pcsx_rearmed_vibration";
1596
1597 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1598 {
1599 if (strcmp(var.value, "disabled") == 0)
1600 in_enable_vibration = 0;
1601 else if (strcmp(var.value, "enabled") == 0)
1602 in_enable_vibration = 1;
1603 }
1604
1605 var.value = NULL;
1606 var.key = "pcsx_rearmed_dithering";
1607
1608 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1609 {
1610 if (strcmp(var.value, "disabled") == 0)
1611 {
1612 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1613 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1614 pl_rearmed_cbs.gpu_unai.dithering = 0;
1615#ifdef __ARM_NEON__
1616 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1617#endif
1618 }
1619 else if (strcmp(var.value, "enabled") == 0)
1620 {
1621 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1622 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1623 pl_rearmed_cbs.gpu_unai.dithering = 1;
1624#ifdef __ARM_NEON__
1625 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1626#endif
1627 }
1628 }
1629
1630#ifdef GPU_NEON
1631 var.value = NULL;
1632 var.key = "pcsx_rearmed_neon_interlace_enable";
1633
1634 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1635 {
1636 if (strcmp(var.value, "disabled") == 0)
1637 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1638 else if (strcmp(var.value, "enabled") == 0)
1639 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1640 }
1641
1642 var.value = NULL;
1643 var.key = "pcsx_rearmed_neon_enhancement_enable";
1644
1645 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1646 {
1647 if (strcmp(var.value, "disabled") == 0)
1648 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1649 else if (strcmp(var.value, "enabled") == 0)
1650 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1651 }
1652
1653 var.value = NULL;
1654 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1655
1656 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1657 {
1658 if (strcmp(var.value, "disabled") == 0)
1659 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1660 else if (strcmp(var.value, "enabled") == 0)
1661 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1662 }
1663#endif
1664
1665 var.value = NULL;
1666 var.key = "pcsx_rearmed_duping_enable";
1667
1668 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1669 {
1670 if (strcmp(var.value, "disabled") == 0)
1671 duping_enable = false;
1672 else if (strcmp(var.value, "enabled") == 0)
1673 duping_enable = true;
1674 }
1675
1676 var.value = NULL;
1677 var.key = "pcsx_rearmed_display_internal_fps";
1678
1679 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1680 {
1681 if (strcmp(var.value, "disabled") == 0)
1682 display_internal_fps = false;
1683 else if (strcmp(var.value, "enabled") == 0)
1684 display_internal_fps = true;
1685 }
1686
1687#if defined(LIGHTREC) || defined(NEW_DYNAREC)
1688 var.value = NULL;
1689 var.key = "pcsx_rearmed_drc";
1690
1691 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1692 {
1693 R3000Acpu *prev_cpu = psxCpu;
1694#if defined(LIGHTREC)
1695 bool can_use_dynarec = found_bios;
1696#else
1697 bool can_use_dynarec = 1;
1698#endif
1699
1700#ifdef _3DS
1701 if (!__ctr_svchax)
1702 Config.Cpu = CPU_INTERPRETER;
1703 else
1704#endif
1705 if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
1706 Config.Cpu = CPU_INTERPRETER;
1707 else if (strcmp(var.value, "enabled") == 0)
1708 Config.Cpu = CPU_DYNAREC;
1709
1710 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1711 if (psxCpu != prev_cpu)
1712 {
1713 prev_cpu->Shutdown();
1714 psxCpu->Init();
1715 psxCpu->Reset(); // not really a reset..
1716 }
1717 }
1718#endif /* LIGHTREC || NEW_DYNAREC */
1719
1720 var.value = NULL;
1721 var.key = "pcsx_rearmed_spu_reverb";
1722
1723 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1724 {
1725 if (strcmp(var.value, "disabled") == 0)
1726 spu_config.iUseReverb = false;
1727 else if (strcmp(var.value, "enabled") == 0)
1728 spu_config.iUseReverb = true;
1729 }
1730
1731 var.value = NULL;
1732 var.key = "pcsx_rearmed_spu_interpolation";
1733
1734 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1735 {
1736 if (strcmp(var.value, "simple") == 0)
1737 spu_config.iUseInterpolation = 1;
1738 else if (strcmp(var.value, "gaussian") == 0)
1739 spu_config.iUseInterpolation = 2;
1740 else if (strcmp(var.value, "cubic") == 0)
1741 spu_config.iUseInterpolation = 3;
1742 else if (strcmp(var.value, "off") == 0)
1743 spu_config.iUseInterpolation = 0;
1744 }
1745
1746 var.value = NULL;
1747 var.key = "pcsx_rearmed_pe2_fix";
1748
1749 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1750 {
1751 if (strcmp(var.value, "disabled") == 0)
1752 Config.RCntFix = 0;
1753 else if (strcmp(var.value, "enabled") == 0)
1754 Config.RCntFix = 1;
1755 }
1756
1757 var.value = NULL;
1758 var.key = "pcsx_rearmed_idiablofix";
1759
1760 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1761 {
1762 if (strcmp(var.value, "disabled") == 0)
1763 spu_config.idiablofix = 0;
1764 else if (strcmp(var.value, "enabled") == 0)
1765 spu_config.idiablofix = 1;
1766 }
1767
1768 var.value = NULL;
1769 var.key = "pcsx_rearmed_inuyasha_fix";
1770
1771 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1772 {
1773 if (strcmp(var.value, "disabled") == 0)
1774 Config.VSyncWA = 0;
1775 else if (strcmp(var.value, "enabled") == 0)
1776 Config.VSyncWA = 1;
1777 }
1778
1779#ifndef _WIN32
1780 var.value = NULL;
1781 var.key = "pcsx_rearmed_async_cd";
1782 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1783 {
1784 if (strcmp(var.value, "async") == 0)
1785 Config.AsyncCD = 1;
1786 else
1787 Config.AsyncCD = 0;
1788 }
1789#endif
1790
1791 var.value = NULL;
1792 var.key = "pcsx_rearmed_noxadecoding";
1793 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1794 {
1795 if (strcmp(var.value, "disabled") == 0)
1796 Config.Xa = 1;
1797 else
1798 Config.Xa = 0;
1799 }
1800
1801 var.value = NULL;
1802 var.key = "pcsx_rearmed_nocdaudio";
1803 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1804 {
1805 if (strcmp(var.value, "disabled") == 0)
1806 Config.Cdda = 1;
1807 else
1808 Config.Cdda = 0;
1809 }
1810
1811 var.value = NULL;
1812 var.key = "pcsx_rearmed_spuirq";
1813 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1814 {
1815 if (strcmp(var.value, "disabled") == 0)
1816 Config.SpuIrq = 0;
1817 else
1818 Config.SpuIrq = 1;
1819 }
1820
1821#ifdef GPU_PEOPS
1822 var.value = NULL;
1823 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
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_ODD_EVEN_BIT;
1829 }
1830
1831 var.value = NULL;
1832 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
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_EXPAND_SCREEN_WIDTH;
1838 }
1839
1840 var.value = NULL;
1841 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
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_IGNORE_BRIGHTNESS;
1847 }
1848
1849 var.value = NULL;
1850 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
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_DISABLE_COORD_CHECK;
1856 }
1857
1858 var.value = NULL;
1859 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
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_LAZY_SCREEN_UPDATE;
1865 }
1866
1867 var.value = NULL;
1868 var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
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_OLD_FRAME_SKIP;
1874 }
1875
1876 var.value = NULL;
1877 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1878
1879 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1880 {
1881 if (strcmp(var.value, "enabled") == 0)
1882 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1883 }
1884
1885 var.value = NULL;
1886 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
1887
1888 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1889 {
1890 if (strcmp(var.value, "enabled") == 0)
1891 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
1892 }
1893
1894 var.value = NULL;
1895 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
1896
1897 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1898 {
1899 if (strcmp(var.value, "enabled") == 0)
1900 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
1901 }
1902
1903 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1904 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1905
1906 /* Show/hide core options */
1907
1908 var.key = "pcsx_rearmed_show_gpu_peops_settings";
1909 var.value = NULL;
1910
1911 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1912 {
1913 int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
1914
1915 show_advanced_gpu_peops_settings = 1;
1916 if (strcmp(var.value, "disabled") == 0)
1917 show_advanced_gpu_peops_settings = 0;
1918
1919 if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
1920 {
1921 unsigned i;
1922 struct retro_core_option_display option_display;
1923 char gpu_peops_option[9][45] = {
1924 "pcsx_rearmed_gpu_peops_odd_even_bit",
1925 "pcsx_rearmed_gpu_peops_expand_screen_width",
1926 "pcsx_rearmed_gpu_peops_ignore_brightness",
1927 "pcsx_rearmed_gpu_peops_disable_coord_check",
1928 "pcsx_rearmed_gpu_peops_lazy_screen_update",
1929 "pcsx_rearmed_gpu_peops_old_frame_skip",
1930 "pcsx_rearmed_gpu_peops_repeated_triangles",
1931 "pcsx_rearmed_gpu_peops_quads_with_triangles",
1932 "pcsx_rearmed_gpu_peops_fake_busy_state"
1933 };
1934
1935 option_display.visible = show_advanced_gpu_peops_settings;
1936
1937 for (i = 0; i < 9; i++)
1938 {
1939 option_display.key = gpu_peops_option[i];
1940 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
1941 }
1942 }
1943 }
1944#endif
1945
1946#ifdef GPU_UNAI
1947 var.key = "pcsx_rearmed_gpu_unai_ilace_force";
1948 var.value = NULL;
1949
1950 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1951 {
1952 if (strcmp(var.value, "disabled") == 0)
1953 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
1954 else if (strcmp(var.value, "enabled") == 0)
1955 pl_rearmed_cbs.gpu_unai.ilace_force = 1;
1956 }
1957
1958 var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
1959 var.value = NULL;
1960
1961 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1962 {
1963 if (strcmp(var.value, "disabled") == 0)
1964 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
1965 else if (strcmp(var.value, "enabled") == 0)
1966 pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
1967 }
1968
1969 var.key = "pcsx_rearmed_gpu_unai_lighting";
1970 var.value = NULL;
1971
1972 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1973 {
1974 if (strcmp(var.value, "disabled") == 0)
1975 pl_rearmed_cbs.gpu_unai.lighting = 0;
1976 else if (strcmp(var.value, "enabled") == 0)
1977 pl_rearmed_cbs.gpu_unai.lighting = 1;
1978 }
1979
1980 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
1981 var.value = NULL;
1982
1983 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1984 {
1985 if (strcmp(var.value, "disabled") == 0)
1986 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
1987 else if (strcmp(var.value, "enabled") == 0)
1988 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
1989 }
1990
1991 var.key = "pcsx_rearmed_gpu_unai_blending";
1992 var.value = NULL;
1993
1994 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1995 {
1996 if (strcmp(var.value, "disabled") == 0)
1997 pl_rearmed_cbs.gpu_unai.blending = 0;
1998 else if (strcmp(var.value, "enabled") == 0)
1999 pl_rearmed_cbs.gpu_unai.blending = 1;
2000 }
2001
2002 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2003 var.value = NULL;
2004
2005 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2006 {
2007 if (strcmp(var.value, "disabled") == 0)
2008 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2009 else if (strcmp(var.value, "enabled") == 0)
2010 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2011 }
2012
2013 var.key = "pcsx_rearmed_show_gpu_unai_settings";
2014 var.value = NULL;
2015
2016 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2017 {
2018 int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
2019
2020 show_advanced_gpu_unai_settings = 1;
2021 if (strcmp(var.value, "disabled") == 0)
2022 show_advanced_gpu_unai_settings = 0;
2023
2024 if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
2025 {
2026 unsigned i;
2027 struct retro_core_option_display option_display;
2028 char gpu_unai_option[6][40] = {
2029 "pcsx_rearmed_gpu_unai_blending",
2030 "pcsx_rearmed_gpu_unai_lighting",
2031 "pcsx_rearmed_gpu_unai_fast_lighting",
2032 "pcsx_rearmed_gpu_unai_ilace_force",
2033 "pcsx_rearmed_gpu_unai_pixel_skip",
2034 "pcsx_rearmed_gpu_unai_scale_hires"
2035 };
2036
2037 option_display.visible = show_advanced_gpu_unai_settings;
2038
2039 for (i = 0; i < 6; i++)
2040 {
2041 option_display.key = gpu_unai_option[i];
2042 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2043 }
2044 }
2045 }
2046#endif // GPU_UNAI
2047
2048 //This adjustment process gives the user the ability to manually align the mouse up better
2049 //with where the shots are in the emulator.
2050
2051 var.value = NULL;
2052 var.key = "pcsx_rearmed_gunconadjustx";
2053
2054 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2055 {
2056 GunconAdjustX = atoi(var.value);
2057 }
2058
2059 var.value = NULL;
2060 var.key = "pcsx_rearmed_gunconadjusty";
2061
2062 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2063 {
2064 GunconAdjustY = atoi(var.value);
2065 }
2066
2067 var.value = NULL;
2068 var.key = "pcsx_rearmed_gunconadjustratiox";
2069
2070 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2071 {
2072 GunconAdjustRatioX = atof(var.value);
2073 }
2074
2075 var.value = NULL;
2076 var.key = "pcsx_rearmed_gunconadjustratioy";
2077
2078 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2079 {
2080 GunconAdjustRatioY = atof(var.value);
2081 }
2082
2083#ifdef NEW_DYNAREC
2084 var.value = NULL;
2085 var.key = "pcsx_rearmed_nosmccheck";
2086 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2087 {
2088 if (strcmp(var.value, "enabled") == 0)
2089 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2090 else
2091 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2092 }
2093
2094 var.value = NULL;
2095 var.key = "pcsx_rearmed_gteregsunneeded";
2096 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2097 {
2098 if (strcmp(var.value, "enabled") == 0)
2099 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2100 else
2101 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2102 }
2103
2104 var.value = NULL;
2105 var.key = "pcsx_rearmed_nogteflags";
2106 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2107 {
2108 if (strcmp(var.value, "enabled") == 0)
2109 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2110 else
2111 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2112 }
2113
2114 /* this probably is safe to change in real-time */
2115 var.value = NULL;
2116 var.key = "pcsx_rearmed_psxclock";
2117 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2118 {
2119 int psxclock = atoi(var.value);
2120 cycle_multiplier = 10000 / psxclock;
2121 }
2122#endif /* NEW_DYNAREC */
2123
2124 var.value = NULL;
2125 var.key = "pcsx_rearmed_input_sensitivity";
2126 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2127 {
2128 mouse_sensitivity = atof(var.value);
2129 }
2130
2131 var.key = "pcsx_rearmed_show_other_input_settings";
2132 var.value = NULL;
2133
2134 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2135 {
2136 int previous_settings = show_other_input_settings;
2137
2138 show_other_input_settings = 1;
2139 if (strcmp(var.value, "disabled") == 0)
2140 show_other_input_settings = 0;
2141
2142 if (show_other_input_settings != previous_settings)
2143 {
2144 unsigned i;
2145 struct retro_core_option_display option_display;
2146 char gpu_peops_option[][50] = {
2147 "pcsx_rearmed_multitap1",
2148 "pcsx_rearmed_multitap2",
2149 "pcsx_rearmed_pad3type",
2150 "pcsx_rearmed_pad4type",
2151 "pcsx_rearmed_pad5type",
2152 "pcsx_rearmed_pad6type",
2153 "pcsx_rearmed_pad7type",
2154 "pcsx_rearmed_pad8type",
2155 "pcsx_rearmed_negcon_deadzone",
2156 "pcsx_rearmed_negcon_response",
2157 "pcsx_rearmed_analog_axis_modifier",
2158 "pcsx_rearmed_gunconadjustx",
2159 "pcsx_rearmed_gunconadjusty",
2160 "pcsx_rearmed_gunconadjustratiox",
2161 "pcsx_rearmed_gunconadjustratioy"
2162 };
2163 #define INPUT_LIST (sizeof(gpu_peops_option) / sizeof(gpu_peops_option[0]))
2164
2165 option_display.visible = show_other_input_settings;
2166
2167 for (i = 0; i < INPUT_LIST; i++)
2168 {
2169 option_display.key = gpu_peops_option[i];
2170 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2171 }
2172 }
2173 }
2174
2175 if (in_flight)
2176 {
2177 // inform core things about possible config changes
2178 plugin_call_rearmed_cbs();
2179
2180 if (GPU_open != NULL && GPU_close != NULL)
2181 {
2182 GPU_close();
2183 GPU_open(&gpuDisp, "PCSX", NULL);
2184 }
2185
2186 dfinput_activate();
2187 }
2188 else
2189 {
2190 //not yet running
2191
2192 //bootlogo display hack
2193 if (found_bios)
2194 {
2195 var.value = NULL;
2196 var.key = "pcsx_rearmed_show_bios_bootlogo";
2197 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2198 {
2199 Config.SlowBoot = 0;
2200 rebootemu = 0;
2201 if (strcmp(var.value, "enabled") == 0)
2202 {
2203 Config.SlowBoot = 1;
2204 rebootemu = 1;
2205 }
2206 }
2207 }
2208 }
2209}
2210
2211// Taken from beetle-psx-libretro
2212static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2213{
2214 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2215 // feature (or pre-date it) so we need to handle this in a graceful way.
2216
2217 // First, try and get an analog value using the new libretro API constant
2218 uint16_t button = input_state_cb(player_index,
2219 RETRO_DEVICE_ANALOG,
2220 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2221 id);
2222 button = MIN(button / 128, 255);
2223
2224 if (button == 0)
2225 {
2226 // If we got exactly zero, we're either not pressing the button, or the front-end
2227 // is not reporting analog values. We need to do a second check using the classic
2228 // digital API method, to at least get some response - better than nothing.
2229
2230 // NOTE: If we're really just not holding the button, we're still going to get zero.
2231
2232 button = (ret & (1 << id)) ? 255 : 0;
2233 }
2234
2235 return button;
2236}
2237
2238unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2239{
2240 float modifier_axis_range = 0;
2241
2242 if (is_square)
2243 {
2244 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2245 if (modifier_axis_range < 0)
2246 {
2247 modifier_axis_range = 0;
2248 }
2249 else if (modifier_axis_range > 255)
2250 {
2251 modifier_axis_range = 255;
2252 }
2253 }
2254 else
2255 {
2256 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2257 }
2258
2259 return modifier_axis_range;
2260}
2261
2262static void update_input_guncon(int port, int ret)
2263{
2264 //ToDo move across to:
2265 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2266 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2267 //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2268 //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2269 //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2270 //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2271 //Though not sure these are hooked up properly on the Pi
2272
2273 //ToDo
2274 //Put the controller index back to port instead of hardcoding to 1 when the libretro overlay crash bug is fixed
2275 //This is required for 2 player
2276
2277 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2278
2279 // Trigger
2280 //The 1 is hardcoded instead of port to prevent the overlay mouse button libretro crash bug
2281 if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2282 {
2283 in_keystate[port] |= (1 << DKEY_CIRCLE);
2284 }
2285
2286 // A
2287 if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2288 {
2289 in_keystate[port] |= (1 << DKEY_START);
2290 }
2291
2292 // B
2293 if (input_state_cb(1, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE))
2294 {
2295 in_keystate[port] |= (1 << DKEY_CROSS);
2296 }
2297
2298 //The 1 is hardcoded instead of port to prevent the overlay mouse button libretro crash bug
2299 int gunx = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2300 int guny = input_state_cb(1, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2301
2302 //Mouse range is -32767 -> 32767
2303 //1% is about 655
2304 //Use the left analog stick field to store the absolute coordinates
2305 in_analog_left[0][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
2306 in_analog_left[0][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
2307}
2308
2309static void update_input_negcon(int port, int ret)
2310{
2311 int lsx;
2312 int rsy;
2313 int negcon_i_rs;
2314 int negcon_ii_rs;
2315 float negcon_twist_amplitude;
2316
2317 // Query digital inputs
2318 //
2319 // > Pad-Up
2320 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2321 in_keystate[port] |= (1 << DKEY_UP);
2322 // > Pad-Right
2323 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2324 in_keystate[port] |= (1 << DKEY_RIGHT);
2325 // > Pad-Down
2326 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2327 in_keystate[port] |= (1 << DKEY_DOWN);
2328 // > Pad-Left
2329 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2330 in_keystate[port] |= (1 << DKEY_LEFT);
2331 // > Start
2332 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2333 in_keystate[port] |= (1 << DKEY_START);
2334 // > neGcon A
2335 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2336 in_keystate[port] |= (1 << DKEY_CIRCLE);
2337 // > neGcon B
2338 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2339 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2340 // > neGcon R shoulder (digital)
2341 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2342 in_keystate[port] |= (1 << DKEY_R1);
2343 // Query analog inputs
2344 //
2345 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2346 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2347 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2348 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2349 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2350 // So we just have to map in_analog_left/right to more
2351 // appropriate inputs...
2352 //
2353 // > NeGcon twist
2354 // >> Get raw analog stick value and account for deadzone
2355 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2356 if (lsx > negcon_deadzone)
2357 lsx = lsx - negcon_deadzone;
2358 else if (lsx < -negcon_deadzone)
2359 lsx = lsx + negcon_deadzone;
2360 else
2361 lsx = 0;
2362 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2363 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2364 if (negcon_linearity == 2)
2365 {
2366 if (negcon_twist_amplitude < 0.0)
2367 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2368 else
2369 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2370 }
2371 else if (negcon_linearity == 3)
2372 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2373 // >> Convert to final 'in_analog' integer value [0,255]
2374 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2375 // > NeGcon I + II
2376 // >> Handle right analog stick vertical axis mapping...
2377 // - Up (-Y) == accelerate == neGcon I
2378 // - Down (+Y) == brake == neGcon II
2379 negcon_i_rs = 0;
2380 negcon_ii_rs = 0;
2381 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2382 if (rsy >= 0)
2383 {
2384 // Account for deadzone
2385 // (Note: have never encountered a gamepad with significant differences
2386 // in deadzone between left/right analog sticks, so use the regular 'twist'
2387 // deadzone here)
2388 if (rsy > negcon_deadzone)
2389 rsy = rsy - negcon_deadzone;
2390 else
2391 rsy = 0;
2392 // Convert to 'in_analog' integer value [0,255]
2393 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2394 }
2395 else
2396 {
2397 if (rsy < -negcon_deadzone)
2398 rsy = -1 * (rsy + negcon_deadzone);
2399 else
2400 rsy = 0;
2401 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2402 }
2403 // >> NeGcon I
2404 in_analog_right[port][1] = MAX(
2405 MAX(
2406 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2407 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2408 negcon_i_rs);
2409 // >> NeGcon II
2410 in_analog_left[port][0] = MAX(
2411 MAX(
2412 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2413 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2414 negcon_ii_rs);
2415 // > NeGcon L
2416 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2417}
2418
2419static void update_input_mouse(int port, int ret)
2420{
2421 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2422 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2423
2424 int x = (int)roundf(raw_x * mouse_sensitivity);
2425 int y = (int)roundf(raw_y * mouse_sensitivity);
2426
2427 if (x > 127) x = 127;
2428 else if (x < -128) x = -128;
2429
2430 if (y > 127) y = 127;
2431 else if (y < -128) y = -128;
2432
2433 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2434 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2435
2436 /* left mouse button state */
2437 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2438 in_keystate[port] |= 1 << 11;
2439
2440 /* right mouse button state */
2441 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2442 in_keystate[port] |= 1 << 10;
2443}
2444
2445static void update_input(void)
2446{
2447 // reset all keystate, query libretro for keystate
2448 int i;
2449 int j;
2450
2451 for (i = 0; i < PORTS_NUMBER; i++)
2452 {
2453 int16_t ret = 0;
2454 int type = in_type[i];
2455
2456 in_keystate[i] = 0;
2457
2458 if (type == PSE_PAD_TYPE_NONE)
2459 continue;
2460
2461 if (libretro_supports_bitmasks)
2462 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2463 else
2464 {
2465 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2466 {
2467 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2468 ret |= (1 << j);
2469 }
2470 }
2471
2472 switch (type)
2473 {
2474 case PSE_PAD_TYPE_GUNCON:
2475 update_input_guncon(i, ret);
2476 break;
2477 case PSE_PAD_TYPE_NEGCON:
2478 update_input_negcon(i, ret);
2479 break;
2480 case PSE_PAD_TYPE_MOUSE:
2481 update_input_mouse(i, ret);
2482 break;
2483 default:
2484 // Query digital inputs
2485 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2486 if (ret & (1 << j))
2487 in_keystate[i] |= retro_psx_map[j];
2488
2489 // Query analog inputs
2490 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2491 {
2492 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);
2493 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);
2494 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);
2495 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);
2496 }
2497 }
2498 }
2499}
2500
2501static void print_internal_fps(void)
2502{
2503 if (display_internal_fps)
2504 {
2505 frame_count++;
2506
2507 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2508 {
2509 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2510 char str[64];
2511 const char *strc = (const char *)str;
2512
2513 str[0] = '\0';
2514
2515 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2516
2517 pl_rearmed_cbs.flip_cnt = 0;
2518
2519 if (msg_interface_version >= 1)
2520 {
2521 struct retro_message_ext msg = {
2522 strc,
2523 3000,
2524 1,
2525 RETRO_LOG_INFO,
2526 RETRO_MESSAGE_TARGET_OSD,
2527 RETRO_MESSAGE_TYPE_STATUS,
2528 -1
2529 };
2530 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2531 }
2532 else
2533 {
2534 struct retro_message msg = {
2535 strc,
2536 180
2537 };
2538 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2539 }
2540 }
2541 }
2542 else
2543 frame_count = 0;
2544}
2545
2546void retro_run(void)
2547{
2548 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2549 if (rebootemu != 0)
2550 {
2551 rebootemu = 0;
2552 SysReset();
2553 if (!Config.HLE && !Config.SlowBoot)
2554 {
2555 // skip BIOS logos
2556 psxRegs.pc = psxRegs.GPR.n.ra;
2557 }
2558 }
2559
2560 print_internal_fps();
2561
2562 input_poll_cb();
2563
2564 update_input();
2565
2566 bool updated = false;
2567 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2568 update_variables(true);
2569
2570 stop = 0;
2571 psxCpu->Execute();
2572
2573 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2574 vout_width, vout_height, vout_width * 2);
2575 vout_fb_dirty = 0;
2576
2577 set_vout_fb();
2578}
2579
2580static bool try_use_bios(const char *path)
2581{
2582 FILE *f;
2583 long size;
2584 const char *name;
2585
2586 f = fopen(path, "rb");
2587 if (f == NULL)
2588 return false;
2589
2590 fseek(f, 0, SEEK_END);
2591 size = ftell(f);
2592 fclose(f);
2593
2594 if (size != 512 * 1024)
2595 return false;
2596
2597 name = strrchr(path, SLASH);
2598 if (name++ == NULL)
2599 name = path;
2600 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2601 return true;
2602}
2603
2604#ifndef VITA
2605#include <sys/types.h>
2606#include <dirent.h>
2607
2608static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2609{
2610 DIR *dir;
2611 struct dirent *ent;
2612 bool ret = false;
2613
2614 dir = opendir(dirpath);
2615 if (dir == NULL)
2616 return false;
2617
2618 while ((ent = readdir(dir)))
2619 {
2620 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2621 continue;
2622
2623 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2624 ret = try_use_bios(path);
2625 if (ret)
2626 break;
2627 }
2628 closedir(dir);
2629 return ret;
2630}
2631#else
2632#define find_any_bios(...) false
2633#endif
2634
2635static void check_system_specs(void)
2636{
2637 unsigned level = 6;
2638 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2639}
2640
2641static int init_memcards(void)
2642{
2643 int ret = 0;
2644 const char *dir;
2645 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
2646 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2647
2648 // Memcard2 will be handled and is re-enabled if needed using core
2649 // operations.
2650 // Memcard1 is handled by libretro, doing this will set core to
2651 // skip file io operations for memcard1 like SaveMcd
2652 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2653 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2654 init_memcard(Mcd1Data);
2655 // Memcard 2 is managed by the emulator on the filesystem,
2656 // There is no need to initialize Mcd2Data like Mcd1Data.
2657
2658 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2659 {
2660 SysPrintf("Memcard 2: %s\n", var.value);
2661 if (memcmp(var.value, "enabled", 7) == 0)
2662 {
2663 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
2664 {
2665 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
2666 {
2667 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2668 ret = -1;
2669 }
2670 else
2671 {
2672 McdDisable[1] = 0;
2673 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2674 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2675 }
2676 }
2677 else
2678 {
2679 SysPrintf("Could not get save directory! Could not create memcard 2.");
2680 ret = -1;
2681 }
2682 }
2683 }
2684 return ret;
2685}
2686
2687static void loadPSXBios(void)
2688{
2689 const char *dir;
2690 char path[PATH_MAX];
2691 unsigned useHLE = 0;
2692
2693 const char *bios[] = {
2694 "PSXONPSP660", "psxonpsp660",
2695 "SCPH101", "scph101",
2696 "SCPH5501", "scph5501",
2697 "SCPH7001", "scph7001",
2698 "SCPH1001", "scph1001"
2699 };
2700
2701 struct retro_variable var = {
2702 .key = "pcsx_rearmed_bios",
2703 .value = NULL
2704 };
2705
2706 found_bios = 0;
2707
2708 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2709 {
2710 if (!strcmp(var.value, "HLE"))
2711 useHLE = 1;
2712 }
2713
2714 if (!useHLE)
2715 {
2716 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2717 {
2718 unsigned i;
2719 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2720
2721 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
2722 {
2723 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2724 found_bios = try_use_bios(path);
2725 if (found_bios)
2726 break;
2727 }
2728
2729 if (!found_bios)
2730 found_bios = find_any_bios(dir, path, sizeof(path));
2731 }
2732 if (found_bios)
2733 {
2734 SysPrintf("found BIOS file: %s\n", Config.Bios);
2735 }
2736 }
2737
2738 if (useHLE || !found_bios)
2739 {
2740 const char *msg_str = "No PlayStation BIOS file found - add for better compatibility";
2741
2742 SysPrintf("no BIOS files found.\n");
2743
2744 if (msg_interface_version >= 1)
2745 {
2746 struct retro_message_ext msg = {
2747 msg_str,
2748 3000,
2749 3,
2750 RETRO_LOG_WARN,
2751 RETRO_MESSAGE_TARGET_ALL,
2752 RETRO_MESSAGE_TYPE_NOTIFICATION,
2753 -1
2754 };
2755 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2756 }
2757 else
2758 {
2759 struct retro_message msg = {
2760 msg_str,
2761 180
2762 };
2763 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2764 }
2765 }
2766}
2767
2768void retro_init(void)
2769{
2770 unsigned dci_version = 0;
2771 struct retro_rumble_interface rumble;
2772 int ret;
2773
2774 msg_interface_version = 0;
2775 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
2776
2777#ifdef __MACH__
2778 // magic sauce to make the dynarec work on iOS
2779 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2780#endif
2781
2782#ifdef _3DS
2783 psxMapHook = pl_3ds_mmap;
2784 psxUnmapHook = pl_3ds_munmap;
2785#endif
2786#ifdef VITA
2787 if (init_vita_mmap() < 0)
2788 abort();
2789 psxMapHook = pl_vita_mmap;
2790 psxUnmapHook = pl_vita_munmap;
2791#endif
2792 ret = emu_core_preinit();
2793#ifdef _3DS
2794 /* emu_core_preinit sets the cpu to dynarec */
2795 if (!__ctr_svchax)
2796 Config.Cpu = CPU_INTERPRETER;
2797#endif
2798 ret |= init_memcards();
2799
2800 ret |= emu_core_init();
2801 if (ret != 0)
2802 {
2803 SysPrintf("PCSX init failed.\n");
2804 exit(1);
2805 }
2806
2807#ifdef _3DS
2808 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2809#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
2810 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2811#else
2812 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2813#endif
2814
2815 vout_buf_ptr = vout_buf;
2816
2817 loadPSXBios();
2818
2819 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2820
2821 disk_initial_index = 0;
2822 disk_initial_path[0] = '\0';
2823 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2824 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2825 else
2826 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2827
2828 rumble_cb = NULL;
2829 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2830 rumble_cb = rumble.set_rumble_state;
2831
2832 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2833 * we have to do this because cache misses and some IO penalties
2834 * are not emulated. Warning: changing this may break compatibility. */
2835 cycle_multiplier = 175;
2836#ifdef HAVE_PRE_ARMV7
2837 cycle_multiplier = 200;
2838#endif
2839 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2840 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2841 spu_config.iUseFixedUpdates = 1;
2842
2843 SaveFuncs.open = save_open;
2844 SaveFuncs.read = save_read;
2845 SaveFuncs.write = save_write;
2846 SaveFuncs.seek = save_seek;
2847 SaveFuncs.close = save_close;
2848
2849 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2850 libretro_supports_bitmasks = true;
2851
2852 check_system_specs();
2853}
2854
2855void retro_deinit(void)
2856{
2857 if (plugins_opened)
2858 {
2859 ClosePlugins();
2860 plugins_opened = 0;
2861 }
2862 SysClose();
2863#ifdef _3DS
2864 linearFree(vout_buf);
2865#else
2866 free(vout_buf);
2867#endif
2868 vout_buf = NULL;
2869
2870#ifdef VITA
2871 deinit_vita_mmap();
2872#endif
2873 libretro_supports_bitmasks = false;
2874
2875 /* Have to reset disks struct, otherwise
2876 * fnames/flabels will leak memory */
2877 disk_init();
2878}
2879
2880#ifdef VITA
2881#include <psp2/kernel/threadmgr.h>
2882int usleep(unsigned long us)
2883{
2884 sceKernelDelayThread(us);
2885}
2886#endif
2887
2888void SysPrintf(const char *fmt, ...)
2889{
2890 va_list list;
2891 char msg[512];
2892
2893 va_start(list, fmt);
2894 vsprintf(msg, fmt, list);
2895 va_end(list);
2896
2897 if (log_cb)
2898 log_cb(RETRO_LOG_INFO, "%s", msg);
2899}
ARM optimized PCSX fork