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Move input type selection to RETRO_ENVIRONMENT_SET_CONTROLLER_INFO
[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#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
520#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
521#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
522#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
523#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
524#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
525
526static char *get_pse_pad_label[] = {
527 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
528};
529
530static const struct retro_controller_description pads[7] =
531{
532 { "standard", RETRO_DEVICE_JOYPAD },
533 { "analog", RETRO_DEVICE_PSE_ANALOG },
534 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
535 { "negcon", RETRO_DEVICE_PSE_NEGCON },
536 { "guncon", RETRO_DEVICE_PSE_GUNCON },
537 { "mouse", RETRO_DEVICE_PSE_MOUSE },
538 { NULL, 0 },
539};
540
541static const struct retro_controller_info ports[9] =
542{
543 { pads, 7 },
544 { pads, 7 },
545 { pads, 7 },
546 { pads, 7 },
547 { pads, 7 },
548 { pads, 7 },
549 { pads, 7 },
550 { pads, 7 },
551 { NULL, 0 },
552};
553
554/* libretro */
555void retro_set_environment(retro_environment_t cb)
556{
557 environ_cb = cb;
558
559 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
560 log_cb = logging.log;
561
562 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
563 libretro_set_core_options(environ_cb);
564}
565
566void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
567void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
568void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
569void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
570void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
571
572unsigned retro_api_version(void)
573{
574 return RETRO_API_VERSION;
575}
576
577static int controller_port_variable(unsigned port, struct retro_variable *var)
578{
579 if (port >= PORTS_NUMBER)
580 return 0;
581
582 if (!environ_cb)
583 return 0;
584
585 var->value = NULL;
586 switch (port)
587 {
588 case 0:
589 var->key = "pcsx_rearmed_pad1type";
590 break;
591 case 1:
592 var->key = "pcsx_rearmed_pad2type";
593 break;
594 case 2:
595 var->key = "pcsx_rearmed_pad3type";
596 break;
597 case 3:
598 var->key = "pcsx_rearmed_pad4type";
599 break;
600 case 4:
601 var->key = "pcsx_rearmed_pad5type";
602 break;
603 case 5:
604 var->key = "pcsx_rearmed_pad6type";
605 break;
606 case 6:
607 var->key = "pcsx_rearmed_pad7type";
608 break;
609 case 7:
610 var->key = "pcsx_rearmed_pad8type";
611 break;
612 }
613
614 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) && var->value;
615}
616
617static void update_controller_port_variable(unsigned port)
618{
619 if (port >= PORTS_NUMBER)
620 return;
621
622 struct retro_variable var;
623
624 if (controller_port_variable(port, &var))
625 {
626 if (strcmp(var.value, "standard") == 0)
627 in_type[port] = PSE_PAD_TYPE_STANDARD;
628 else if (strcmp(var.value, "analog") == 0)
629 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
630 else if (strcmp(var.value, "dualshock") == 0)
631 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
632 else if (strcmp(var.value, "negcon") == 0)
633 in_type[port] = PSE_PAD_TYPE_NEGCON;
634 else if (strcmp(var.value, "guncon") == 0)
635 in_type[port] = PSE_PAD_TYPE_GUNCON;
636 else if (strcmp(var.value, "mouse") == 0)
637 in_type[port] = PSE_PAD_TYPE_MOUSE;
638 else if (strcmp(var.value, "none") == 0)
639 in_type[port] = PSE_PAD_TYPE_NONE;
640 // else 'default' case, do nothing
641 }
642}
643
644static void update_controller_port_device(unsigned port, unsigned device)
645{
646 if (port >= PORTS_NUMBER)
647 return;
648
649 struct retro_variable var;
650
651 if (!controller_port_variable(port, &var))
652 return;
653
654 if (strcmp(var.value, "default") != 0)
655 return;
656
657 switch (device)
658 {
659 case RETRO_DEVICE_JOYPAD:
660 in_type[port] = PSE_PAD_TYPE_STANDARD;
661 break;
662 case RETRO_DEVICE_ANALOG:
663 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
664 break;
665 case RETRO_DEVICE_MOUSE:
666 in_type[port] = PSE_PAD_TYPE_MOUSE;
667 break;
668 case RETRO_DEVICE_LIGHTGUN:
669 in_type[port] = PSE_PAD_TYPE_GUN;
670 break;
671 case RETRO_DEVICE_NONE:
672 default:
673 in_type[port] = PSE_PAD_TYPE_NONE;
674 }
675}
676
677static void update_multitap(void)
678{
679 struct retro_variable var;
680 int auto_case, port;
681
682 var.value = NULL;
683 var.key = "pcsx_rearmed_multitap1";
684 auto_case = 0;
685 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
686 {
687 if (strcmp(var.value, "enabled") == 0)
688 multitap1 = 1;
689 else if (strcmp(var.value, "disabled") == 0)
690 multitap1 = 0;
691 else // 'auto' case
692 auto_case = 1;
693 }
694 else
695 auto_case = 1;
696
697 if (auto_case)
698 {
699 // If a gamepad is plugged after port 2, we need a first multitap.
700 multitap1 = 0;
701 for (port = 2; port < PORTS_NUMBER; port++)
702 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
703 }
704
705 var.value = NULL;
706 var.key = "pcsx_rearmed_multitap2";
707 auto_case = 0;
708 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
709 {
710 if (strcmp(var.value, "enabled") == 0)
711 multitap2 = 1;
712 else if (strcmp(var.value, "disabled") == 0)
713 multitap2 = 0;
714 else // 'auto' case
715 auto_case = 1;
716 }
717 else
718 auto_case = 1;
719
720 if (auto_case)
721 {
722 // If a gamepad is plugged after port 4, we need a second multitap.
723 multitap2 = 0;
724 for (port = 4; port < PORTS_NUMBER; port++)
725 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
726 }
727}
728
729void retro_set_controller_port_device(unsigned port, unsigned device)
730{
731 if (port >= PORTS_NUMBER)
732 return;
733
734 switch (device)
735 {
736 case RETRO_DEVICE_JOYPAD:
737 case RETRO_DEVICE_PSE_STANDARD:
738 in_type[port] = PSE_PAD_TYPE_STANDARD;
739 break;
740 case RETRO_DEVICE_PSE_ANALOG:
741 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
742 break;
743 case RETRO_DEVICE_PSE_DUALSHOCK:
744 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
745 break;
746 case RETRO_DEVICE_PSE_MOUSE:
747 in_type[port] = PSE_PAD_TYPE_MOUSE;
748 break;
749 case RETRO_DEVICE_PSE_NEGCON:
750 in_type[port] = PSE_PAD_TYPE_NEGCON;
751 break;
752 case RETRO_DEVICE_PSE_GUNCON:
753 in_type[port] = PSE_PAD_TYPE_GUNCON;
754 break;
755 case RETRO_DEVICE_NONE:
756 default:
757 in_type[port] = PSE_PAD_TYPE_NONE;
758 break;
759 }
760
761 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
762}
763
764void retro_get_system_info(struct retro_system_info *info)
765{
766#ifndef GIT_VERSION
767#define GIT_VERSION ""
768#endif
769 memset(info, 0, sizeof(*info));
770 info->library_name = "PCSX-ReARMed";
771 info->library_version = "r22" GIT_VERSION;
772 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
773 info->need_fullpath = true;
774}
775
776void retro_get_system_av_info(struct retro_system_av_info *info)
777{
778 unsigned geom_height = vout_height > 0 ? vout_height : 240;
779 unsigned geom_width = vout_width > 0 ? vout_width : 320;
780
781 memset(info, 0, sizeof(*info));
782 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
783 info->timing.sample_rate = 44100.0;
784 info->geometry.base_width = geom_width;
785 info->geometry.base_height = geom_height;
786 info->geometry.max_width = VOUT_MAX_WIDTH;
787 info->geometry.max_height = VOUT_MAX_HEIGHT;
788 info->geometry.aspect_ratio = 4.0 / 3.0;
789}
790
791/* savestates */
792size_t retro_serialize_size(void)
793{
794 // it's currently 4380651-4397047 bytes,
795 // but have some reserved for future
796 return 0x440000;
797}
798
799struct save_fp
800{
801 char *buf;
802 size_t pos;
803 int is_write;
804};
805
806static void *save_open(const char *name, const char *mode)
807{
808 struct save_fp *fp;
809
810 if (name == NULL || mode == NULL)
811 return NULL;
812
813 fp = malloc(sizeof(*fp));
814 if (fp == NULL)
815 return NULL;
816
817 fp->buf = (char *)name;
818 fp->pos = 0;
819 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
820
821 return fp;
822}
823
824static int save_read(void *file, void *buf, u32 len)
825{
826 struct save_fp *fp = file;
827 if (fp == NULL || buf == NULL)
828 return -1;
829
830 memcpy(buf, fp->buf + fp->pos, len);
831 fp->pos += len;
832 return len;
833}
834
835static int save_write(void *file, const void *buf, u32 len)
836{
837 struct save_fp *fp = file;
838 if (fp == NULL || buf == NULL)
839 return -1;
840
841 memcpy(fp->buf + fp->pos, buf, len);
842 fp->pos += len;
843 return len;
844}
845
846static long save_seek(void *file, long offs, int whence)
847{
848 struct save_fp *fp = file;
849 if (fp == NULL)
850 return -1;
851
852 switch (whence)
853 {
854 case SEEK_CUR:
855 fp->pos += offs;
856 return fp->pos;
857 case SEEK_SET:
858 fp->pos = offs;
859 return fp->pos;
860 default:
861 return -1;
862 }
863}
864
865static void save_close(void *file)
866{
867 struct save_fp *fp = file;
868 size_t r_size = retro_serialize_size();
869 if (fp == NULL)
870 return;
871
872 if (fp->pos > r_size)
873 SysPrintf("ERROR: save buffer overflow detected\n");
874 else if (fp->is_write && fp->pos < r_size)
875 // make sure we don't save trash in leftover space
876 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
877 free(fp);
878}
879
880bool retro_serialize(void *data, size_t size)
881{
882 int ret = SaveState(data);
883 return ret == 0 ? true : false;
884}
885
886bool retro_unserialize(const void *data, size_t size)
887{
888 int ret = LoadState(data);
889 return ret == 0 ? true : false;
890}
891
892/* cheats */
893void retro_cheat_reset(void)
894{
895 ClearAllCheats();
896}
897
898void retro_cheat_set(unsigned index, bool enabled, const char *code)
899{
900 char buf[256];
901 int ret;
902
903 // cheat funcs are destructive, need a copy..
904 strncpy(buf, code, sizeof(buf));
905 buf[sizeof(buf) - 1] = 0;
906
907 //Prepare buffered cheat for PCSX's AddCheat fucntion.
908 int cursor = 0;
909 int nonhexdec = 0;
910 while (buf[cursor])
911 {
912 if (!(ISHEXDEC))
913 {
914 if (++nonhexdec % 2)
915 {
916 buf[cursor] = ' ';
917 }
918 else
919 {
920 buf[cursor] = '\n';
921 }
922 }
923 cursor++;
924 }
925
926 if (index < NumCheats)
927 ret = EditCheat(index, "", buf);
928 else
929 ret = AddCheat("", buf);
930
931 if (ret != 0)
932 SysPrintf("Failed to set cheat %#u\n", index);
933 else if (index < NumCheats)
934 Cheats[index].Enabled = enabled;
935}
936
937// just in case, maybe a win-rt port in the future?
938#ifdef _WIN32
939#define SLASH '\\'
940#else
941#define SLASH '/'
942#endif
943
944#ifndef PATH_MAX
945#define PATH_MAX 4096
946#endif
947
948/* multidisk support */
949static unsigned int disk_initial_index;
950static char disk_initial_path[PATH_MAX];
951static bool disk_ejected;
952static unsigned int disk_current_index;
953static unsigned int disk_count;
954static struct disks_state
955{
956 char *fname;
957 char *flabel;
958 int internal_index; // for multidisk eboots
959} disks[8];
960
961static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
962{
963 const char *base = NULL;
964
965 if (!disk_path || (*disk_path == '\0'))
966 return;
967
968 base = strrchr(disk_path, SLASH);
969 if (!base)
970 base = disk_path;
971
972 if (*base == SLASH)
973 base++;
974
975 strncpy(disk_label, base, len - 1);
976 disk_label[len - 1] = '\0';
977
978 char *ext = strrchr(disk_label, '.');
979 if (ext)
980 *ext = '\0';
981}
982
983static void disk_init(void)
984{
985 size_t i;
986
987 disk_ejected = false;
988 disk_current_index = 0;
989 disk_count = 0;
990
991 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
992 {
993 if (disks[i].fname != NULL)
994 {
995 free(disks[i].fname);
996 disks[i].fname = NULL;
997 }
998 if (disks[i].flabel != NULL)
999 {
1000 free(disks[i].flabel);
1001 disks[i].flabel = NULL;
1002 }
1003 disks[i].internal_index = 0;
1004 }
1005}
1006
1007static bool disk_set_eject_state(bool ejected)
1008{
1009 // weird PCSX API..
1010 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
1011 LidInterrupt();
1012
1013 disk_ejected = ejected;
1014 return true;
1015}
1016
1017static bool disk_get_eject_state(void)
1018{
1019 /* can't be controlled by emulated software */
1020 return disk_ejected;
1021}
1022
1023static unsigned int disk_get_image_index(void)
1024{
1025 return disk_current_index;
1026}
1027
1028static bool disk_set_image_index(unsigned int index)
1029{
1030 if (index >= sizeof(disks) / sizeof(disks[0]))
1031 return false;
1032
1033 CdromId[0] = '\0';
1034 CdromLabel[0] = '\0';
1035
1036 if (disks[index].fname == NULL)
1037 {
1038 SysPrintf("missing disk #%u\n", index);
1039 CDR_shutdown();
1040
1041 // RetroArch specifies "no disk" with index == count,
1042 // so don't fail here..
1043 disk_current_index = index;
1044 return true;
1045 }
1046
1047 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
1048 disks[index].fname, disks[index].internal_index);
1049
1050 cdrIsoMultidiskSelect = disks[index].internal_index;
1051 set_cd_image(disks[index].fname);
1052 if (ReloadCdromPlugin() < 0)
1053 {
1054 SysPrintf("failed to load cdr plugin\n");
1055 return false;
1056 }
1057 if (CDR_open() < 0)
1058 {
1059 SysPrintf("failed to open cdr plugin\n");
1060 return false;
1061 }
1062
1063 if (!disk_ejected)
1064 {
1065 SetCdOpenCaseTime(time(NULL) + 2);
1066 LidInterrupt();
1067 }
1068
1069 disk_current_index = index;
1070 return true;
1071}
1072
1073static unsigned int disk_get_num_images(void)
1074{
1075 return disk_count;
1076}
1077
1078static bool disk_replace_image_index(unsigned index,
1079 const struct retro_game_info *info)
1080{
1081 char *old_fname = NULL;
1082 char *old_flabel = NULL;
1083 bool ret = true;
1084
1085 if (index >= sizeof(disks) / sizeof(disks[0]))
1086 return false;
1087
1088 old_fname = disks[index].fname;
1089 old_flabel = disks[index].flabel;
1090
1091 disks[index].fname = NULL;
1092 disks[index].flabel = NULL;
1093 disks[index].internal_index = 0;
1094
1095 if (info != NULL)
1096 {
1097 char disk_label[PATH_MAX];
1098 disk_label[0] = '\0';
1099
1100 disks[index].fname = strdup(info->path);
1101
1102 get_disk_label(disk_label, info->path, PATH_MAX);
1103 disks[index].flabel = strdup(disk_label);
1104
1105 if (index == disk_current_index)
1106 ret = disk_set_image_index(index);
1107 }
1108
1109 if (old_fname != NULL)
1110 free(old_fname);
1111
1112 if (old_flabel != NULL)
1113 free(old_flabel);
1114
1115 return ret;
1116}
1117
1118static bool disk_add_image_index(void)
1119{
1120 if (disk_count >= 8)
1121 return false;
1122
1123 disk_count++;
1124 return true;
1125}
1126
1127static bool disk_set_initial_image(unsigned index, const char *path)
1128{
1129 if (index >= sizeof(disks) / sizeof(disks[0]))
1130 return false;
1131
1132 if (!path || (*path == '\0'))
1133 return false;
1134
1135 disk_initial_index = index;
1136
1137 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1138 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1139
1140 return true;
1141}
1142
1143static bool disk_get_image_path(unsigned index, char *path, size_t len)
1144{
1145 const char *fname = NULL;
1146
1147 if (len < 1)
1148 return false;
1149
1150 if (index >= sizeof(disks) / sizeof(disks[0]))
1151 return false;
1152
1153 fname = disks[index].fname;
1154
1155 if (!fname || (*fname == '\0'))
1156 return false;
1157
1158 strncpy(path, fname, len - 1);
1159 path[len - 1] = '\0';
1160
1161 return true;
1162}
1163
1164static bool disk_get_image_label(unsigned index, char *label, size_t len)
1165{
1166 const char *flabel = NULL;
1167
1168 if (len < 1)
1169 return false;
1170
1171 if (index >= sizeof(disks) / sizeof(disks[0]))
1172 return false;
1173
1174 flabel = disks[index].flabel;
1175
1176 if (!flabel || (*flabel == '\0'))
1177 return false;
1178
1179 strncpy(label, flabel, len - 1);
1180 label[len - 1] = '\0';
1181
1182 return true;
1183}
1184
1185static struct retro_disk_control_callback disk_control = {
1186 .set_eject_state = disk_set_eject_state,
1187 .get_eject_state = disk_get_eject_state,
1188 .get_image_index = disk_get_image_index,
1189 .set_image_index = disk_set_image_index,
1190 .get_num_images = disk_get_num_images,
1191 .replace_image_index = disk_replace_image_index,
1192 .add_image_index = disk_add_image_index,
1193};
1194
1195static struct retro_disk_control_ext_callback disk_control_ext = {
1196 .set_eject_state = disk_set_eject_state,
1197 .get_eject_state = disk_get_eject_state,
1198 .get_image_index = disk_get_image_index,
1199 .set_image_index = disk_set_image_index,
1200 .get_num_images = disk_get_num_images,
1201 .replace_image_index = disk_replace_image_index,
1202 .add_image_index = disk_add_image_index,
1203 .set_initial_image = disk_set_initial_image,
1204 .get_image_path = disk_get_image_path,
1205 .get_image_label = disk_get_image_label,
1206};
1207
1208static char base_dir[1024];
1209
1210static bool read_m3u(const char *file)
1211{
1212 char line[1024];
1213 char name[PATH_MAX];
1214 FILE *f = fopen(file, "r");
1215 if (!f)
1216 return false;
1217
1218 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0]))
1219 {
1220 if (line[0] == '#')
1221 continue;
1222 char *carrige_return = strchr(line, '\r');
1223 if (carrige_return)
1224 *carrige_return = '\0';
1225 char *newline = strchr(line, '\n');
1226 if (newline)
1227 *newline = '\0';
1228
1229 if (line[0] != '\0')
1230 {
1231 char disk_label[PATH_MAX];
1232 disk_label[0] = '\0';
1233
1234 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1235 disks[disk_count].fname = strdup(name);
1236
1237 get_disk_label(disk_label, name, PATH_MAX);
1238 disks[disk_count].flabel = strdup(disk_label);
1239
1240 disk_count++;
1241 }
1242 }
1243
1244 fclose(f);
1245 return (disk_count != 0);
1246}
1247
1248static void extract_directory(char *buf, const char *path, size_t size)
1249{
1250 char *base;
1251 strncpy(buf, path, size - 1);
1252 buf[size - 1] = '\0';
1253
1254 base = strrchr(buf, '/');
1255 if (!base)
1256 base = strrchr(buf, '\\');
1257
1258 if (base)
1259 *base = '\0';
1260 else
1261 {
1262 buf[0] = '.';
1263 buf[1] = '\0';
1264 }
1265}
1266
1267#if defined(__QNX__) || defined(_WIN32)
1268/* Blackberry QNX doesn't have strcasestr */
1269
1270/*
1271 * Find the first occurrence of find in s, ignore case.
1272 */
1273char *
1274strcasestr(const char *s, const char *find)
1275{
1276 char c, sc;
1277 size_t len;
1278
1279 if ((c = *find++) != 0)
1280 {
1281 c = tolower((unsigned char)c);
1282 len = strlen(find);
1283 do
1284 {
1285 do
1286 {
1287 if ((sc = *s++) == 0)
1288 return (NULL);
1289 } while ((char)tolower((unsigned char)sc) != c);
1290 } while (strncasecmp(s, find, len) != 0);
1291 s--;
1292 }
1293 return ((char *)s);
1294}
1295#endif
1296
1297static void set_retro_memmap(void)
1298{
1299#ifndef NDEBUG
1300 struct retro_memory_map retromap = { 0 };
1301 struct retro_memory_descriptor mmap = {
1302 0, psxM, 0, 0, 0, 0, 0x200000
1303 };
1304
1305 retromap.descriptors = &mmap;
1306 retromap.num_descriptors = 1;
1307
1308 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1309#endif
1310}
1311
1312static void update_variables(bool in_flight);
1313bool retro_load_game(const struct retro_game_info *info)
1314{
1315 size_t i;
1316 unsigned int cd_index = 0;
1317 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1318
1319 struct retro_input_descriptor desc[] = {
1320#define JOYP(port) \
1321 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1322 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1323 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1324 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1325 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1326 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1327 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1328 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1329 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1330 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1331 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1332 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1333 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1334 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1335 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1336 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1337 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1338 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1339 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1340 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1341
1342 JOYP(0)
1343 JOYP(1)
1344 JOYP(2)
1345 JOYP(3)
1346 JOYP(4)
1347 JOYP(5)
1348 JOYP(6)
1349 JOYP(7)
1350
1351 { 0 },
1352 };
1353
1354 frame_count = 0;
1355
1356 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1357
1358#ifdef FRONTEND_SUPPORTS_RGB565
1359 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1360 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1361 {
1362 SysPrintf("RGB565 supported, using it\n");
1363 }
1364#endif
1365
1366 if (info == NULL || info->path == NULL)
1367 {
1368 SysPrintf("info->path required\n");
1369 return false;
1370 }
1371
1372 update_variables(false);
1373
1374 if (plugins_opened)
1375 {
1376 ClosePlugins();
1377 plugins_opened = 0;
1378 }
1379
1380 disk_init();
1381
1382 extract_directory(base_dir, info->path, sizeof(base_dir));
1383
1384 if (is_m3u)
1385 {
1386 if (!read_m3u(info->path))
1387 {
1388 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1389 return false;
1390 }
1391 }
1392 else
1393 {
1394 char disk_label[PATH_MAX];
1395 disk_label[0] = '\0';
1396
1397 disk_count = 1;
1398 disks[0].fname = strdup(info->path);
1399
1400 get_disk_label(disk_label, info->path, PATH_MAX);
1401 disks[0].flabel = strdup(disk_label);
1402 }
1403
1404 /* If this is an M3U file, attempt to set the
1405 * initial disk image */
1406 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1407 {
1408 const char *fname = disks[disk_initial_index].fname;
1409
1410 if (fname && (*fname != '\0'))
1411 if (strcmp(disk_initial_path, fname) == 0)
1412 cd_index = disk_initial_index;
1413 }
1414
1415 set_cd_image(disks[cd_index].fname);
1416 disk_current_index = cd_index;
1417
1418 /* have to reload after set_cd_image for correct cdr plugin */
1419 if (LoadPlugins() == -1)
1420 {
1421 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1422 return false;
1423 }
1424
1425 plugins_opened = 1;
1426 NetOpened = 0;
1427
1428 if (OpenPlugins() == -1)
1429 {
1430 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1431 return false;
1432 }
1433
1434 /* Handle multi-disk images (i.e. PBP)
1435 * > Cannot do this until after OpenPlugins() is
1436 * called (since this sets the value of
1437 * cdrIsoMultidiskCount) */
1438 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1439 {
1440 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1441
1442 /* Small annoyance: We need to change the label
1443 * of disk 0, so have to clear existing entries */
1444 if (disks[0].fname != NULL)
1445 free(disks[0].fname);
1446 disks[0].fname = NULL;
1447
1448 if (disks[0].flabel != NULL)
1449 free(disks[0].flabel);
1450 disks[0].flabel = NULL;
1451
1452 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1453 {
1454 char disk_name[PATH_MAX];
1455 char disk_label[PATH_MAX];
1456 disk_name[0] = '\0';
1457 disk_label[0] = '\0';
1458
1459 disks[i].fname = strdup(info->path);
1460
1461 get_disk_label(disk_name, info->path, PATH_MAX);
1462 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1463 disks[i].flabel = strdup(disk_label);
1464
1465 disks[i].internal_index = i;
1466 }
1467
1468 /* This is not an M3U file, so initial disk
1469 * image has not yet been set - attempt to
1470 * do so now */
1471 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1472 {
1473 const char *fname = disks[disk_initial_index].fname;
1474
1475 if (fname && (*fname != '\0'))
1476 if (strcmp(disk_initial_path, fname) == 0)
1477 cd_index = disk_initial_index;
1478 }
1479
1480 if (cd_index > 0)
1481 {
1482 CdromId[0] = '\0';
1483 CdromLabel[0] = '\0';
1484
1485 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1486 disk_current_index = cd_index;
1487 set_cd_image(disks[cd_index].fname);
1488
1489 if (ReloadCdromPlugin() < 0)
1490 {
1491 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1492 return false;
1493 }
1494 if (CDR_open() < 0)
1495 {
1496 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1497 return false;
1498 }
1499 }
1500 }
1501
1502 plugin_call_rearmed_cbs();
1503 /* dfinput_activate(); */
1504
1505 if (CheckCdrom() == -1)
1506 {
1507 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1508 return false;
1509 }
1510
1511 SysReset();
1512
1513 if (LoadCdrom() == -1)
1514 {
1515 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1516 return false;
1517 }
1518 emu_on_new_cd(0);
1519
1520 set_retro_memmap();
1521
1522 return true;
1523}
1524
1525unsigned retro_get_region(void)
1526{
1527 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1528}
1529
1530void *retro_get_memory_data(unsigned id)
1531{
1532 if (id == RETRO_MEMORY_SAVE_RAM)
1533 return Mcd1Data;
1534 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1535 return psxM;
1536 else
1537 return NULL;
1538}
1539
1540size_t retro_get_memory_size(unsigned id)
1541{
1542 if (id == RETRO_MEMORY_SAVE_RAM)
1543 return MCD_SIZE;
1544 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1545 return 0x200000;
1546 else
1547 return 0;
1548}
1549
1550void retro_reset(void)
1551{
1552 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1553 rebootemu = 1;
1554 //SysReset();
1555}
1556
1557static const unsigned short retro_psx_map[] = {
1558 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1559 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1560 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1561 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1562 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1563 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1564 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1565 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1566 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1567 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1568 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1569 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1570 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1571 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1572 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1573 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1574};
1575#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1576
1577//Percentage distance of screen to adjust
1578static int GunconAdjustX = 0;
1579static int GunconAdjustY = 0;
1580
1581//Used when out by a percentage
1582static float GunconAdjustRatioX = 1;
1583static float GunconAdjustRatioY = 1;
1584
1585static void update_variables(bool in_flight)
1586{
1587 struct retro_variable var;
1588 int i;
1589#ifdef GPU_PEOPS
1590 int gpu_peops_fix = 0;
1591#endif
1592
1593 var.value = NULL;
1594 var.key = "pcsx_rearmed_frameskip";
1595 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1596 pl_rearmed_cbs.frameskip = atoi(var.value);
1597
1598 var.value = NULL;
1599 var.key = "pcsx_rearmed_region";
1600 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1601 {
1602 Config.PsxAuto = 0;
1603 if (strcmp(var.value, "auto") == 0)
1604 Config.PsxAuto = 1;
1605 else if (strcmp(var.value, "NTSC") == 0)
1606 Config.PsxType = 0;
1607 else if (strcmp(var.value, "PAL") == 0)
1608 Config.PsxType = 1;
1609 }
1610
1611 /*for (i = 0; i < PORTS_NUMBER; i++)
1612 update_controller_port_variable(i);*/
1613
1614 update_multitap();
1615
1616 var.value = NULL;
1617 var.key = "pcsx_rearmed_negcon_deadzone";
1618 negcon_deadzone = 0;
1619 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1620 {
1621 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1622 }
1623
1624 var.value = NULL;
1625 var.key = "pcsx_rearmed_negcon_response";
1626 negcon_linearity = 1;
1627 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1628 {
1629 if (strcmp(var.value, "quadratic") == 0)
1630 {
1631 negcon_linearity = 2;
1632 }
1633 else if (strcmp(var.value, "cubic") == 0)
1634 {
1635 negcon_linearity = 3;
1636 }
1637 }
1638
1639 var.value = NULL;
1640 var.key = "pcsx_rearmed_analog_axis_modifier";
1641 axis_bounds_modifier = true;
1642 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1643 {
1644 if (strcmp(var.value, "square") == 0)
1645 {
1646 axis_bounds_modifier = true;
1647 }
1648 else if (strcmp(var.value, "circle") == 0)
1649 {
1650 axis_bounds_modifier = false;
1651 }
1652 }
1653
1654 var.value = NULL;
1655 var.key = "pcsx_rearmed_vibration";
1656
1657 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1658 {
1659 if (strcmp(var.value, "disabled") == 0)
1660 in_enable_vibration = 0;
1661 else if (strcmp(var.value, "enabled") == 0)
1662 in_enable_vibration = 1;
1663 }
1664
1665 var.value = NULL;
1666 var.key = "pcsx_rearmed_dithering";
1667
1668 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1669 {
1670 if (strcmp(var.value, "disabled") == 0)
1671 {
1672 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1673 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1674 pl_rearmed_cbs.gpu_unai.dithering = 0;
1675#ifdef __ARM_NEON__
1676 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1677#endif
1678 }
1679 else if (strcmp(var.value, "enabled") == 0)
1680 {
1681 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1682 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1683 pl_rearmed_cbs.gpu_unai.dithering = 1;
1684#ifdef __ARM_NEON__
1685 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1686#endif
1687 }
1688 }
1689
1690#ifdef GPU_NEON
1691 var.value = NULL;
1692 var.key = "pcsx_rearmed_neon_interlace_enable";
1693
1694 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1695 {
1696 if (strcmp(var.value, "disabled") == 0)
1697 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1698 else if (strcmp(var.value, "enabled") == 0)
1699 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1700 }
1701
1702 var.value = NULL;
1703 var.key = "pcsx_rearmed_neon_enhancement_enable";
1704
1705 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1706 {
1707 if (strcmp(var.value, "disabled") == 0)
1708 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1709 else if (strcmp(var.value, "enabled") == 0)
1710 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1711 }
1712
1713 var.value = NULL;
1714 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1715
1716 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1717 {
1718 if (strcmp(var.value, "disabled") == 0)
1719 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1720 else if (strcmp(var.value, "enabled") == 0)
1721 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1722 }
1723#endif
1724
1725 var.value = NULL;
1726 var.key = "pcsx_rearmed_duping_enable";
1727
1728 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1729 {
1730 if (strcmp(var.value, "disabled") == 0)
1731 duping_enable = false;
1732 else if (strcmp(var.value, "enabled") == 0)
1733 duping_enable = true;
1734 }
1735
1736 var.value = NULL;
1737 var.key = "pcsx_rearmed_display_internal_fps";
1738
1739 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1740 {
1741 if (strcmp(var.value, "disabled") == 0)
1742 display_internal_fps = false;
1743 else if (strcmp(var.value, "enabled") == 0)
1744 display_internal_fps = true;
1745 }
1746
1747#if defined(LIGHTREC) || defined(NEW_DYNAREC)
1748 var.value = NULL;
1749 var.key = "pcsx_rearmed_drc";
1750
1751 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1752 {
1753 R3000Acpu *prev_cpu = psxCpu;
1754#if defined(LIGHTREC)
1755 bool can_use_dynarec = found_bios;
1756#else
1757 bool can_use_dynarec = 1;
1758#endif
1759
1760#ifdef _3DS
1761 if (!__ctr_svchax)
1762 Config.Cpu = CPU_INTERPRETER;
1763 else
1764#endif
1765 if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
1766 Config.Cpu = CPU_INTERPRETER;
1767 else if (strcmp(var.value, "enabled") == 0)
1768 Config.Cpu = CPU_DYNAREC;
1769
1770 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1771 if (psxCpu != prev_cpu)
1772 {
1773 prev_cpu->Shutdown();
1774 psxCpu->Init();
1775 psxCpu->Reset(); // not really a reset..
1776 }
1777 }
1778#endif /* LIGHTREC || NEW_DYNAREC */
1779
1780 var.value = NULL;
1781 var.key = "pcsx_rearmed_spu_reverb";
1782
1783 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1784 {
1785 if (strcmp(var.value, "disabled") == 0)
1786 spu_config.iUseReverb = false;
1787 else if (strcmp(var.value, "enabled") == 0)
1788 spu_config.iUseReverb = true;
1789 }
1790
1791 var.value = NULL;
1792 var.key = "pcsx_rearmed_spu_interpolation";
1793
1794 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1795 {
1796 if (strcmp(var.value, "simple") == 0)
1797 spu_config.iUseInterpolation = 1;
1798 else if (strcmp(var.value, "gaussian") == 0)
1799 spu_config.iUseInterpolation = 2;
1800 else if (strcmp(var.value, "cubic") == 0)
1801 spu_config.iUseInterpolation = 3;
1802 else if (strcmp(var.value, "off") == 0)
1803 spu_config.iUseInterpolation = 0;
1804 }
1805
1806 var.value = NULL;
1807 var.key = "pcsx_rearmed_pe2_fix";
1808
1809 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1810 {
1811 if (strcmp(var.value, "disabled") == 0)
1812 Config.RCntFix = 0;
1813 else if (strcmp(var.value, "enabled") == 0)
1814 Config.RCntFix = 1;
1815 }
1816
1817 var.value = NULL;
1818 var.key = "pcsx_rearmed_idiablofix";
1819
1820 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1821 {
1822 if (strcmp(var.value, "disabled") == 0)
1823 spu_config.idiablofix = 0;
1824 else if (strcmp(var.value, "enabled") == 0)
1825 spu_config.idiablofix = 1;
1826 }
1827
1828 var.value = NULL;
1829 var.key = "pcsx_rearmed_inuyasha_fix";
1830
1831 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1832 {
1833 if (strcmp(var.value, "disabled") == 0)
1834 Config.VSyncWA = 0;
1835 else if (strcmp(var.value, "enabled") == 0)
1836 Config.VSyncWA = 1;
1837 }
1838
1839#ifndef _WIN32
1840 var.value = NULL;
1841 var.key = "pcsx_rearmed_async_cd";
1842 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1843 {
1844 if (strcmp(var.value, "async") == 0)
1845 Config.AsyncCD = 1;
1846 else
1847 Config.AsyncCD = 0;
1848 }
1849#endif
1850
1851 var.value = NULL;
1852 var.key = "pcsx_rearmed_noxadecoding";
1853 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1854 {
1855 if (strcmp(var.value, "disabled") == 0)
1856 Config.Xa = 1;
1857 else
1858 Config.Xa = 0;
1859 }
1860
1861 var.value = NULL;
1862 var.key = "pcsx_rearmed_nocdaudio";
1863 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1864 {
1865 if (strcmp(var.value, "disabled") == 0)
1866 Config.Cdda = 1;
1867 else
1868 Config.Cdda = 0;
1869 }
1870
1871 var.value = NULL;
1872 var.key = "pcsx_rearmed_spuirq";
1873 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1874 {
1875 if (strcmp(var.value, "disabled") == 0)
1876 Config.SpuIrq = 0;
1877 else
1878 Config.SpuIrq = 1;
1879 }
1880
1881#ifdef THREAD_RENDERING
1882 var.key = "pcsx_rearmed_gpu_thread_rendering";
1883 var.value = NULL;
1884
1885 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1886 {
1887 if (strcmp(var.value, "disabled") == 0)
1888 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
1889 else if (strcmp(var.value, "sync") == 0)
1890 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
1891 else if (strcmp(var.value, "async") == 0)
1892 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
1893 }
1894#endif
1895
1896#ifdef GPU_PEOPS
1897 var.value = NULL;
1898 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
1899
1900 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1901 {
1902 if (strcmp(var.value, "enabled") == 0)
1903 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
1904 }
1905
1906 var.value = NULL;
1907 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
1908
1909 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1910 {
1911 if (strcmp(var.value, "enabled") == 0)
1912 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
1913 }
1914
1915 var.value = NULL;
1916 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
1917
1918 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1919 {
1920 if (strcmp(var.value, "enabled") == 0)
1921 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
1922 }
1923
1924 var.value = NULL;
1925 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
1926
1927 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1928 {
1929 if (strcmp(var.value, "enabled") == 0)
1930 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
1931 }
1932
1933 var.value = NULL;
1934 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
1935
1936 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1937 {
1938 if (strcmp(var.value, "enabled") == 0)
1939 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
1940 }
1941
1942 var.value = NULL;
1943 var.key = "pcsx_rearmed_gpu_peops_old_frame_skip";
1944
1945 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1946 {
1947 if (strcmp(var.value, "enabled") == 0)
1948 gpu_peops_fix |= GPU_PEOPS_OLD_FRAME_SKIP;
1949 }
1950
1951 var.value = NULL;
1952 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
1953
1954 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1955 {
1956 if (strcmp(var.value, "enabled") == 0)
1957 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
1958 }
1959
1960 var.value = NULL;
1961 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
1962
1963 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1964 {
1965 if (strcmp(var.value, "enabled") == 0)
1966 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
1967 }
1968
1969 var.value = NULL;
1970 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
1971
1972 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1973 {
1974 if (strcmp(var.value, "enabled") == 0)
1975 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
1976 }
1977
1978 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
1979 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
1980
1981 /* Show/hide core options */
1982
1983 var.key = "pcsx_rearmed_show_gpu_peops_settings";
1984 var.value = NULL;
1985
1986 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1987 {
1988 int show_advanced_gpu_peops_settings_prev = show_advanced_gpu_peops_settings;
1989
1990 show_advanced_gpu_peops_settings = 1;
1991 if (strcmp(var.value, "disabled") == 0)
1992 show_advanced_gpu_peops_settings = 0;
1993
1994 if (show_advanced_gpu_peops_settings != show_advanced_gpu_peops_settings_prev)
1995 {
1996 unsigned i;
1997 struct retro_core_option_display option_display;
1998 char gpu_peops_option[9][45] = {
1999 "pcsx_rearmed_gpu_peops_odd_even_bit",
2000 "pcsx_rearmed_gpu_peops_expand_screen_width",
2001 "pcsx_rearmed_gpu_peops_ignore_brightness",
2002 "pcsx_rearmed_gpu_peops_disable_coord_check",
2003 "pcsx_rearmed_gpu_peops_lazy_screen_update",
2004 "pcsx_rearmed_gpu_peops_old_frame_skip",
2005 "pcsx_rearmed_gpu_peops_repeated_triangles",
2006 "pcsx_rearmed_gpu_peops_quads_with_triangles",
2007 "pcsx_rearmed_gpu_peops_fake_busy_state"
2008 };
2009
2010 option_display.visible = show_advanced_gpu_peops_settings;
2011
2012 for (i = 0; i < 9; i++)
2013 {
2014 option_display.key = gpu_peops_option[i];
2015 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2016 }
2017 }
2018 }
2019#endif
2020
2021#ifdef GPU_UNAI
2022 var.key = "pcsx_rearmed_gpu_unai_ilace_force";
2023 var.value = NULL;
2024
2025 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2026 {
2027 if (strcmp(var.value, "disabled") == 0)
2028 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2029 else if (strcmp(var.value, "enabled") == 0)
2030 pl_rearmed_cbs.gpu_unai.ilace_force = 1;
2031 }
2032
2033 var.key = "pcsx_rearmed_gpu_unai_pixel_skip";
2034 var.value = NULL;
2035
2036 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2037 {
2038 if (strcmp(var.value, "disabled") == 0)
2039 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2040 else if (strcmp(var.value, "enabled") == 0)
2041 pl_rearmed_cbs.gpu_unai.pixel_skip = 1;
2042 }
2043
2044 var.key = "pcsx_rearmed_gpu_unai_lighting";
2045 var.value = NULL;
2046
2047 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2048 {
2049 if (strcmp(var.value, "disabled") == 0)
2050 pl_rearmed_cbs.gpu_unai.lighting = 0;
2051 else if (strcmp(var.value, "enabled") == 0)
2052 pl_rearmed_cbs.gpu_unai.lighting = 1;
2053 }
2054
2055 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2056 var.value = NULL;
2057
2058 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2059 {
2060 if (strcmp(var.value, "disabled") == 0)
2061 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2062 else if (strcmp(var.value, "enabled") == 0)
2063 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2064 }
2065
2066 var.key = "pcsx_rearmed_gpu_unai_blending";
2067 var.value = NULL;
2068
2069 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2070 {
2071 if (strcmp(var.value, "disabled") == 0)
2072 pl_rearmed_cbs.gpu_unai.blending = 0;
2073 else if (strcmp(var.value, "enabled") == 0)
2074 pl_rearmed_cbs.gpu_unai.blending = 1;
2075 }
2076
2077 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2078 var.value = NULL;
2079
2080 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2081 {
2082 if (strcmp(var.value, "disabled") == 0)
2083 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2084 else if (strcmp(var.value, "enabled") == 0)
2085 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2086 }
2087
2088 var.key = "pcsx_rearmed_show_gpu_unai_settings";
2089 var.value = NULL;
2090
2091 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2092 {
2093 int show_advanced_gpu_unai_settings_prev = show_advanced_gpu_unai_settings;
2094
2095 show_advanced_gpu_unai_settings = 1;
2096 if (strcmp(var.value, "disabled") == 0)
2097 show_advanced_gpu_unai_settings = 0;
2098
2099 if (show_advanced_gpu_unai_settings != show_advanced_gpu_unai_settings_prev)
2100 {
2101 unsigned i;
2102 struct retro_core_option_display option_display;
2103 char gpu_unai_option[6][40] = {
2104 "pcsx_rearmed_gpu_unai_blending",
2105 "pcsx_rearmed_gpu_unai_lighting",
2106 "pcsx_rearmed_gpu_unai_fast_lighting",
2107 "pcsx_rearmed_gpu_unai_ilace_force",
2108 "pcsx_rearmed_gpu_unai_pixel_skip",
2109 "pcsx_rearmed_gpu_unai_scale_hires",
2110 };
2111
2112 option_display.visible = show_advanced_gpu_unai_settings;
2113
2114 for (i = 0; i < 6; i++)
2115 {
2116 option_display.key = gpu_unai_option[i];
2117 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2118 }
2119 }
2120 }
2121#endif // GPU_UNAI
2122
2123 //This adjustment process gives the user the ability to manually align the mouse up better
2124 //with where the shots are in the emulator.
2125
2126 var.value = NULL;
2127 var.key = "pcsx_rearmed_gunconadjustx";
2128
2129 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2130 {
2131 GunconAdjustX = atoi(var.value);
2132 }
2133
2134 var.value = NULL;
2135 var.key = "pcsx_rearmed_gunconadjusty";
2136
2137 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2138 {
2139 GunconAdjustY = atoi(var.value);
2140 }
2141
2142 var.value = NULL;
2143 var.key = "pcsx_rearmed_gunconadjustratiox";
2144
2145 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2146 {
2147 GunconAdjustRatioX = atof(var.value);
2148 }
2149
2150 var.value = NULL;
2151 var.key = "pcsx_rearmed_gunconadjustratioy";
2152
2153 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2154 {
2155 GunconAdjustRatioY = atof(var.value);
2156 }
2157
2158#ifdef NEW_DYNAREC
2159 var.value = NULL;
2160 var.key = "pcsx_rearmed_nosmccheck";
2161 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2162 {
2163 if (strcmp(var.value, "enabled") == 0)
2164 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2165 else
2166 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2167 }
2168
2169 var.value = NULL;
2170 var.key = "pcsx_rearmed_gteregsunneeded";
2171 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2172 {
2173 if (strcmp(var.value, "enabled") == 0)
2174 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2175 else
2176 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2177 }
2178
2179 var.value = NULL;
2180 var.key = "pcsx_rearmed_nogteflags";
2181 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2182 {
2183 if (strcmp(var.value, "enabled") == 0)
2184 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2185 else
2186 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2187 }
2188
2189 /* this probably is safe to change in real-time */
2190 var.value = NULL;
2191 var.key = "pcsx_rearmed_psxclock";
2192 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2193 {
2194 int psxclock = atoi(var.value);
2195 cycle_multiplier = 10000 / psxclock;
2196 }
2197#endif /* NEW_DYNAREC */
2198
2199 var.value = NULL;
2200 var.key = "pcsx_rearmed_input_sensitivity";
2201 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2202 {
2203 mouse_sensitivity = atof(var.value);
2204 }
2205
2206 var.key = "pcsx_rearmed_show_other_input_settings";
2207 var.value = NULL;
2208
2209 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2210 {
2211 int previous_settings = show_other_input_settings;
2212
2213 show_other_input_settings = 1;
2214 if (strcmp(var.value, "disabled") == 0)
2215 show_other_input_settings = 0;
2216
2217 if (show_other_input_settings != previous_settings)
2218 {
2219 unsigned i;
2220 struct retro_core_option_display option_display;
2221 char gpu_peops_option[][50] = {
2222 "pcsx_rearmed_multitap1",
2223 "pcsx_rearmed_multitap2",
2224 "pcsx_rearmed_pad3type",
2225 "pcsx_rearmed_pad4type",
2226 "pcsx_rearmed_pad5type",
2227 "pcsx_rearmed_pad6type",
2228 "pcsx_rearmed_pad7type",
2229 "pcsx_rearmed_pad8type",
2230 "pcsx_rearmed_negcon_deadzone",
2231 "pcsx_rearmed_negcon_response",
2232 "pcsx_rearmed_analog_axis_modifier",
2233 "pcsx_rearmed_gunconadjustx",
2234 "pcsx_rearmed_gunconadjusty",
2235 "pcsx_rearmed_gunconadjustratiox",
2236 "pcsx_rearmed_gunconadjustratioy"
2237 };
2238 #define INPUT_LIST (sizeof(gpu_peops_option) / sizeof(gpu_peops_option[0]))
2239
2240 option_display.visible = show_other_input_settings;
2241
2242 for (i = 0; i < INPUT_LIST; i++)
2243 {
2244 option_display.key = gpu_peops_option[i];
2245 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
2246 }
2247 }
2248 }
2249
2250 if (in_flight)
2251 {
2252 // inform core things about possible config changes
2253 plugin_call_rearmed_cbs();
2254
2255 if (GPU_open != NULL && GPU_close != NULL)
2256 {
2257 GPU_close();
2258 GPU_open(&gpuDisp, "PCSX", NULL);
2259 }
2260
2261 /* dfinput_activate(); */
2262 }
2263 else
2264 {
2265 //not yet running
2266
2267 //bootlogo display hack
2268 if (found_bios)
2269 {
2270 var.value = NULL;
2271 var.key = "pcsx_rearmed_show_bios_bootlogo";
2272 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2273 {
2274 Config.SlowBoot = 0;
2275 rebootemu = 0;
2276 if (strcmp(var.value, "enabled") == 0)
2277 {
2278 Config.SlowBoot = 1;
2279 rebootemu = 1;
2280 }
2281 }
2282 }
2283 }
2284
2285 for (i = 0; i < 8; i++) {
2286 SysPrintf("[DEBUG] Player %d: %s\n", i + 1, get_pse_pad_label[in_type[i]]);
2287 }
2288 SysPrintf("Multiplayer 1: %s\n", multitap1 ? "enabled" : "disabled");
2289 SysPrintf("Multiplayer 2: %s\n", multitap2 ? "enabled" : "disabled");
2290}
2291
2292// Taken from beetle-psx-libretro
2293static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2294{
2295 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2296 // feature (or pre-date it) so we need to handle this in a graceful way.
2297
2298 // First, try and get an analog value using the new libretro API constant
2299 uint16_t button = input_state_cb(player_index,
2300 RETRO_DEVICE_ANALOG,
2301 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2302 id);
2303 button = MIN(button / 128, 255);
2304
2305 if (button == 0)
2306 {
2307 // If we got exactly zero, we're either not pressing the button, or the front-end
2308 // is not reporting analog values. We need to do a second check using the classic
2309 // digital API method, to at least get some response - better than nothing.
2310
2311 // NOTE: If we're really just not holding the button, we're still going to get zero.
2312
2313 button = (ret & (1 << id)) ? 255 : 0;
2314 }
2315
2316 return button;
2317}
2318
2319unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2320{
2321 float modifier_axis_range = 0;
2322
2323 if (is_square)
2324 {
2325 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2326 if (modifier_axis_range < 0)
2327 {
2328 modifier_axis_range = 0;
2329 }
2330 else if (modifier_axis_range > 255)
2331 {
2332 modifier_axis_range = 255;
2333 }
2334 }
2335 else
2336 {
2337 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2338 }
2339
2340 return modifier_axis_range;
2341}
2342
2343static void update_input_guncon(int port, int ret)
2344{
2345 //ToDo move across to:
2346 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X
2347 //RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y
2348 //RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
2349 //RETRO_DEVICE_ID_LIGHTGUN_RELOAD
2350 //RETRO_DEVICE_ID_LIGHTGUN_AUX_A
2351 //RETRO_DEVICE_ID_LIGHTGUN_AUX_B
2352 //Though not sure these are hooked up properly on the Pi
2353
2354 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2355
2356 // Trigger
2357 //The 1 is hardcoded instead of port to prevent the overlay mouse button libretro crash bug
2358 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2359 {
2360 in_keystate[port] |= (1 << DKEY_CIRCLE);
2361 }
2362
2363 // A
2364 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2365 {
2366 in_keystate[port] |= (1 << DKEY_START);
2367 }
2368
2369 // B
2370 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE))
2371 {
2372 in_keystate[port] |= (1 << DKEY_CROSS);
2373 }
2374
2375 int gunx = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
2376 int guny = input_state_cb(port, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
2377
2378 //Mouse range is -32767 -> 32767
2379 //1% is about 655
2380 //Use the left analog stick field to store the absolute coordinates
2381 in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
2382 in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
2383}
2384
2385static void update_input_negcon(int port, int ret)
2386{
2387 int lsx;
2388 int rsy;
2389 int negcon_i_rs;
2390 int negcon_ii_rs;
2391 float negcon_twist_amplitude;
2392
2393 // Query digital inputs
2394 //
2395 // > Pad-Up
2396 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2397 in_keystate[port] |= (1 << DKEY_UP);
2398 // > Pad-Right
2399 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2400 in_keystate[port] |= (1 << DKEY_RIGHT);
2401 // > Pad-Down
2402 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2403 in_keystate[port] |= (1 << DKEY_DOWN);
2404 // > Pad-Left
2405 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2406 in_keystate[port] |= (1 << DKEY_LEFT);
2407 // > Start
2408 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2409 in_keystate[port] |= (1 << DKEY_START);
2410 // > neGcon A
2411 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2412 in_keystate[port] |= (1 << DKEY_CIRCLE);
2413 // > neGcon B
2414 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2415 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2416 // > neGcon R shoulder (digital)
2417 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2418 in_keystate[port] |= (1 << DKEY_R1);
2419 // Query analog inputs
2420 //
2421 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2422 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2423 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2424 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2425 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2426 // So we just have to map in_analog_left/right to more
2427 // appropriate inputs...
2428 //
2429 // > NeGcon twist
2430 // >> Get raw analog stick value and account for deadzone
2431 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2432 if (lsx > negcon_deadzone)
2433 lsx = lsx - negcon_deadzone;
2434 else if (lsx < -negcon_deadzone)
2435 lsx = lsx + negcon_deadzone;
2436 else
2437 lsx = 0;
2438 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2439 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2440 if (negcon_linearity == 2)
2441 {
2442 if (negcon_twist_amplitude < 0.0)
2443 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2444 else
2445 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2446 }
2447 else if (negcon_linearity == 3)
2448 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2449 // >> Convert to final 'in_analog' integer value [0,255]
2450 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2451 // > NeGcon I + II
2452 // >> Handle right analog stick vertical axis mapping...
2453 // - Up (-Y) == accelerate == neGcon I
2454 // - Down (+Y) == brake == neGcon II
2455 negcon_i_rs = 0;
2456 negcon_ii_rs = 0;
2457 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2458 if (rsy >= 0)
2459 {
2460 // Account for deadzone
2461 // (Note: have never encountered a gamepad with significant differences
2462 // in deadzone between left/right analog sticks, so use the regular 'twist'
2463 // deadzone here)
2464 if (rsy > negcon_deadzone)
2465 rsy = rsy - negcon_deadzone;
2466 else
2467 rsy = 0;
2468 // Convert to 'in_analog' integer value [0,255]
2469 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2470 }
2471 else
2472 {
2473 if (rsy < -negcon_deadzone)
2474 rsy = -1 * (rsy + negcon_deadzone);
2475 else
2476 rsy = 0;
2477 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2478 }
2479 // >> NeGcon I
2480 in_analog_right[port][1] = MAX(
2481 MAX(
2482 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2483 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2484 negcon_i_rs);
2485 // >> NeGcon II
2486 in_analog_left[port][0] = MAX(
2487 MAX(
2488 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2489 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2490 negcon_ii_rs);
2491 // > NeGcon L
2492 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2493}
2494
2495static void update_input_mouse(int port, int ret)
2496{
2497 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2498 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2499
2500 int x = (int)roundf(raw_x * mouse_sensitivity);
2501 int y = (int)roundf(raw_y * mouse_sensitivity);
2502
2503 if (x > 127) x = 127;
2504 else if (x < -128) x = -128;
2505
2506 if (y > 127) y = 127;
2507 else if (y < -128) y = -128;
2508
2509 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2510 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2511
2512 /* left mouse button state */
2513 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2514 in_keystate[port] |= 1 << 11;
2515
2516 /* right mouse button state */
2517 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2518 in_keystate[port] |= 1 << 10;
2519}
2520
2521static void update_input(void)
2522{
2523 // reset all keystate, query libretro for keystate
2524 int i;
2525 int j;
2526
2527 for (i = 0; i < PORTS_NUMBER; i++)
2528 {
2529 int16_t ret = 0;
2530 int type = in_type[i];
2531
2532 in_keystate[i] = 0;
2533
2534 if (type == PSE_PAD_TYPE_NONE)
2535 continue;
2536
2537 if (libretro_supports_bitmasks)
2538 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2539 else
2540 {
2541 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2542 {
2543 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2544 ret |= (1 << j);
2545 }
2546 }
2547
2548 switch (type)
2549 {
2550 case PSE_PAD_TYPE_GUNCON:
2551 update_input_guncon(i, ret);
2552 break;
2553 case PSE_PAD_TYPE_NEGCON:
2554 update_input_negcon(i, ret);
2555 break;
2556 case PSE_PAD_TYPE_MOUSE:
2557 update_input_mouse(i, ret);
2558 break;
2559 default:
2560 // Query digital inputs
2561 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2562 if (ret & (1 << j))
2563 in_keystate[i] |= retro_psx_map[j];
2564
2565 // Query analog inputs
2566 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2567 {
2568 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);
2569 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);
2570 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);
2571 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);
2572 }
2573 }
2574 }
2575}
2576
2577static void print_internal_fps(void)
2578{
2579 if (display_internal_fps)
2580 {
2581 frame_count++;
2582
2583 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2584 {
2585 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2586 char str[64];
2587 const char *strc = (const char *)str;
2588
2589 str[0] = '\0';
2590
2591 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2592
2593 pl_rearmed_cbs.flip_cnt = 0;
2594
2595 if (msg_interface_version >= 1)
2596 {
2597 struct retro_message_ext msg = {
2598 strc,
2599 3000,
2600 1,
2601 RETRO_LOG_INFO,
2602 RETRO_MESSAGE_TARGET_OSD,
2603 RETRO_MESSAGE_TYPE_STATUS,
2604 -1
2605 };
2606 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2607 }
2608 else
2609 {
2610 struct retro_message msg = {
2611 strc,
2612 180
2613 };
2614 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2615 }
2616 }
2617 }
2618 else
2619 frame_count = 0;
2620}
2621
2622void retro_run(void)
2623{
2624 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2625 if (rebootemu != 0)
2626 {
2627 rebootemu = 0;
2628 SysReset();
2629 if (!Config.HLE && !Config.SlowBoot)
2630 {
2631 // skip BIOS logos
2632 psxRegs.pc = psxRegs.GPR.n.ra;
2633 }
2634 }
2635
2636 print_internal_fps();
2637
2638 input_poll_cb();
2639
2640 update_input();
2641
2642 bool updated = false;
2643 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2644 update_variables(true);
2645
2646 stop = 0;
2647 psxCpu->Execute();
2648
2649 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2650 vout_width, vout_height, vout_width * 2);
2651 vout_fb_dirty = 0;
2652
2653 set_vout_fb();
2654}
2655
2656static bool try_use_bios(const char *path)
2657{
2658 FILE *f;
2659 long size;
2660 const char *name;
2661
2662 f = fopen(path, "rb");
2663 if (f == NULL)
2664 return false;
2665
2666 fseek(f, 0, SEEK_END);
2667 size = ftell(f);
2668 fclose(f);
2669
2670 if (size != 512 * 1024)
2671 return false;
2672
2673 name = strrchr(path, SLASH);
2674 if (name++ == NULL)
2675 name = path;
2676 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2677 return true;
2678}
2679
2680#ifndef VITA
2681#include <sys/types.h>
2682#include <dirent.h>
2683
2684static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2685{
2686 DIR *dir;
2687 struct dirent *ent;
2688 bool ret = false;
2689
2690 dir = opendir(dirpath);
2691 if (dir == NULL)
2692 return false;
2693
2694 while ((ent = readdir(dir)))
2695 {
2696 if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
2697 continue;
2698
2699 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2700 ret = try_use_bios(path);
2701 if (ret)
2702 break;
2703 }
2704 closedir(dir);
2705 return ret;
2706}
2707#else
2708#define find_any_bios(...) false
2709#endif
2710
2711static void check_system_specs(void)
2712{
2713 unsigned level = 6;
2714 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2715}
2716
2717static int init_memcards(void)
2718{
2719 int ret = 0;
2720 const char *dir;
2721 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
2722 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2723
2724 // Memcard2 will be handled and is re-enabled if needed using core
2725 // operations.
2726 // Memcard1 is handled by libretro, doing this will set core to
2727 // skip file io operations for memcard1 like SaveMcd
2728 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2729 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2730 init_memcard(Mcd1Data);
2731 // Memcard 2 is managed by the emulator on the filesystem,
2732 // There is no need to initialize Mcd2Data like Mcd1Data.
2733
2734 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2735 {
2736 SysPrintf("Memcard 2: %s\n", var.value);
2737 if (memcmp(var.value, "enabled", 7) == 0)
2738 {
2739 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
2740 {
2741 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
2742 {
2743 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2744 ret = -1;
2745 }
2746 else
2747 {
2748 McdDisable[1] = 0;
2749 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2750 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2751 }
2752 }
2753 else
2754 {
2755 SysPrintf("Could not get save directory! Could not create memcard 2.");
2756 ret = -1;
2757 }
2758 }
2759 }
2760 return ret;
2761}
2762
2763static void loadPSXBios(void)
2764{
2765 const char *dir;
2766 char path[PATH_MAX];
2767 unsigned useHLE = 0;
2768
2769 const char *bios[] = {
2770 "PSXONPSP660", "psxonpsp660",
2771 "SCPH101", "scph101",
2772 "SCPH5501", "scph5501",
2773 "SCPH7001", "scph7001",
2774 "SCPH1001", "scph1001"
2775 };
2776
2777 struct retro_variable var = {
2778 .key = "pcsx_rearmed_bios",
2779 .value = NULL
2780 };
2781
2782 found_bios = 0;
2783
2784 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2785 {
2786 if (!strcmp(var.value, "HLE"))
2787 useHLE = 1;
2788 }
2789
2790 if (!useHLE)
2791 {
2792 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2793 {
2794 unsigned i;
2795 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2796
2797 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
2798 {
2799 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2800 found_bios = try_use_bios(path);
2801 if (found_bios)
2802 break;
2803 }
2804
2805 if (!found_bios)
2806 found_bios = find_any_bios(dir, path, sizeof(path));
2807 }
2808 if (found_bios)
2809 {
2810 SysPrintf("found BIOS file: %s\n", Config.Bios);
2811 }
2812 }
2813
2814 if (useHLE || !found_bios)
2815 {
2816 const char *msg_str = "No PlayStation BIOS file found - add for better compatibility";
2817
2818 SysPrintf("no BIOS files found.\n");
2819
2820 if (msg_interface_version >= 1)
2821 {
2822 struct retro_message_ext msg = {
2823 msg_str,
2824 3000,
2825 3,
2826 RETRO_LOG_WARN,
2827 RETRO_MESSAGE_TARGET_ALL,
2828 RETRO_MESSAGE_TYPE_NOTIFICATION,
2829 -1
2830 };
2831 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2832 }
2833 else
2834 {
2835 struct retro_message msg = {
2836 msg_str,
2837 180
2838 };
2839 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2840 }
2841 }
2842}
2843
2844void retro_init(void)
2845{
2846 unsigned dci_version = 0;
2847 struct retro_rumble_interface rumble;
2848 int ret;
2849
2850 msg_interface_version = 0;
2851 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
2852
2853#ifdef __MACH__
2854 // magic sauce to make the dynarec work on iOS
2855 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
2856#endif
2857
2858#ifdef _3DS
2859 psxMapHook = pl_3ds_mmap;
2860 psxUnmapHook = pl_3ds_munmap;
2861#endif
2862#ifdef VITA
2863 if (init_vita_mmap() < 0)
2864 abort();
2865 psxMapHook = pl_vita_mmap;
2866 psxUnmapHook = pl_vita_munmap;
2867#endif
2868 ret = emu_core_preinit();
2869#ifdef _3DS
2870 /* emu_core_preinit sets the cpu to dynarec */
2871 if (!__ctr_svchax)
2872 Config.Cpu = CPU_INTERPRETER;
2873#endif
2874 ret |= init_memcards();
2875
2876 ret |= emu_core_init();
2877 if (ret != 0)
2878 {
2879 SysPrintf("PCSX init failed.\n");
2880 exit(1);
2881 }
2882
2883#ifdef _3DS
2884 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
2885#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
2886 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2887#else
2888 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
2889#endif
2890
2891 vout_buf_ptr = vout_buf;
2892
2893 loadPSXBios();
2894
2895 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
2896
2897 disk_initial_index = 0;
2898 disk_initial_path[0] = '\0';
2899 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
2900 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
2901 else
2902 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
2903
2904 rumble_cb = NULL;
2905 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
2906 rumble_cb = rumble.set_rumble_state;
2907
2908 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
2909 * we have to do this because cache misses and some IO penalties
2910 * are not emulated. Warning: changing this may break compatibility. */
2911 cycle_multiplier = 175;
2912#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
2913 cycle_multiplier = 200;
2914#endif
2915 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2916 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
2917 spu_config.iUseFixedUpdates = 1;
2918
2919 SaveFuncs.open = save_open;
2920 SaveFuncs.read = save_read;
2921 SaveFuncs.write = save_write;
2922 SaveFuncs.seek = save_seek;
2923 SaveFuncs.close = save_close;
2924
2925 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
2926 libretro_supports_bitmasks = true;
2927
2928 check_system_specs();
2929}
2930
2931void retro_deinit(void)
2932{
2933 if (plugins_opened)
2934 {
2935 ClosePlugins();
2936 plugins_opened = 0;
2937 }
2938 SysClose();
2939#ifdef _3DS
2940 linearFree(vout_buf);
2941#else
2942 free(vout_buf);
2943#endif
2944 vout_buf = NULL;
2945
2946#ifdef VITA
2947 deinit_vita_mmap();
2948#endif
2949 libretro_supports_bitmasks = false;
2950
2951 /* Have to reset disks struct, otherwise
2952 * fnames/flabels will leak memory */
2953 disk_init();
2954}
2955
2956#ifdef VITA
2957#include <psp2/kernel/threadmgr.h>
2958int usleep(unsigned long us)
2959{
2960 sceKernelDelayThread(us);
2961}
2962#endif
2963
2964void SysPrintf(const char *fmt, ...)
2965{
2966 va_list list;
2967 char msg[512];
2968
2969 va_start(list, fmt);
2970 vsprintf(msg, fmt, list);
2971 va_end(list);
2972
2973 if (log_cb)
2974 log_cb(RETRO_LOG_INFO, "%s", msg);
2975}
2976
2977/* Prints debug-level logs */
2978void SysDLog(const char *fmt, ...)
2979{
2980 va_list list;
2981 char msg[512];
2982
2983 va_start(list, fmt);
2984 vsprintf(msg, fmt, list);
2985 va_end(list);
2986
2987 if (log_cb)
2988 log_cb(RETRO_LOG_DEBUG, "%s", msg);
2989}
ARM optimized PCSX fork