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some lightgun selection mechanism
[pcsx_rearmed.git] / frontend / libretro.c
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1/*
2 * (C) notaz, 2012,2014,2015
3 *
4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
8#define _GNU_SOURCE 1 // strcasestr
9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
12#include <strings.h>
13#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
17
18#ifdef SWITCH
19#include <switch.h>
20#endif
21
22#include "../libpcsxcore/misc.h"
23#include "../libpcsxcore/psxcounters.h"
24#include "../libpcsxcore/psxmem_map.h"
25#include "../libpcsxcore/new_dynarec/new_dynarec.h"
26#include "../libpcsxcore/cdrom.h"
27#include "../libpcsxcore/cdriso.h"
28#include "../libpcsxcore/cheat.h"
29#include "../libpcsxcore/r3000a.h"
30#include "../plugins/dfsound/out.h"
31#include "../plugins/dfsound/spu_config.h"
32#include "../plugins/dfinput/externals.h"
33#include "cspace.h"
34#include "main.h"
35#include "menu.h"
36#include "plugin.h"
37#include "plugin_lib.h"
38#include "arm_features.h"
39#include "revision.h"
40
41#include <libretro.h>
42#include "libretro_core_options.h"
43
44#ifdef USE_LIBRETRO_VFS
45#include <streams/file_stream_transforms.h>
46#endif
47
48#ifdef _3DS
49#include "3ds/3ds_utils.h"
50#endif
51
52#define PORTS_NUMBER 8
53
54#ifndef MIN
55#define MIN(a, b) ((a) < (b) ? (a) : (b))
56#endif
57
58#ifndef MAX
59#define MAX(a, b) ((a) > (b) ? (a) : (b))
60#endif
61
62#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
63
64#define INTERNAL_FPS_SAMPLE_PERIOD 64
65
66//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
67static int rebootemu = 0;
68
69static retro_video_refresh_t video_cb;
70static retro_input_poll_t input_poll_cb;
71static retro_input_state_t input_state_cb;
72static retro_environment_t environ_cb;
73static retro_audio_sample_batch_t audio_batch_cb;
74static retro_set_rumble_state_t rumble_cb;
75static struct retro_log_callback logging;
76static retro_log_printf_t log_cb;
77
78static unsigned msg_interface_version = 0;
79
80static void *vout_buf;
81static void *vout_buf_ptr;
82static int vout_width, vout_height;
83static int vout_fb_dirty;
84static bool vout_can_dupe;
85static bool duping_enable;
86static bool found_bios;
87static bool display_internal_fps = false;
88static unsigned frame_count = 0;
89static bool libretro_supports_bitmasks = false;
90static bool libretro_supports_option_categories = false;
91static bool show_input_settings = true;
92#ifdef GPU_PEOPS
93static bool show_advanced_gpu_peops_settings = true;
94#endif
95#ifdef GPU_UNAI
96static bool show_advanced_gpu_unai_settings = true;
97#endif
98static float mouse_sensitivity = 1.0f;
99
100typedef enum
101{
102 FRAMESKIP_NONE = 0,
103 FRAMESKIP_AUTO,
104 FRAMESKIP_AUTO_THRESHOLD,
105 FRAMESKIP_FIXED_INTERVAL
106} frameskip_type_t;
107
108static unsigned frameskip_type = FRAMESKIP_NONE;
109static unsigned frameskip_threshold = 0;
110static unsigned frameskip_interval = 0;
111static unsigned frameskip_counter = 0;
112
113static int retro_audio_buff_active = false;
114static unsigned retro_audio_buff_occupancy = 0;
115static int retro_audio_buff_underrun = false;
116
117static unsigned retro_audio_latency = 0;
118static int update_audio_latency = false;
119
120static unsigned previous_width = 0;
121static unsigned previous_height = 0;
122
123static int plugins_opened;
124static int is_pal_mode;
125
126/* memory card data */
127extern char Mcd1Data[MCD_SIZE];
128extern char Mcd2Data[MCD_SIZE];
129extern char McdDisable[2];
130
131/* PCSX ReARMed core calls and stuff */
132int in_type[8] = {
133 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
134 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
135 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
136 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE
137};
138int in_analog_left[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
139int in_analog_right[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
140unsigned short in_keystate[PORTS_NUMBER];
141int in_mouse[8][2];
142int multitap1 = 0;
143int multitap2 = 0;
144int in_enable_vibration = 1;
145
146// NegCon adjustment parameters
147// > The NegCon 'twist' action is somewhat awkward when mapped
148// to a standard analog stick -> user should be able to tweak
149// response/deadzone for comfort
150// > When response is linear, 'additional' deadzone (set here)
151// may be left at zero, since this is normally handled via in-game
152// options menus
153// > When response is non-linear, deadzone should be set to match the
154// controller being used (otherwise precision may be lost)
155// > negcon_linearity:
156// - 1: Response is linear - recommended when using racing wheel
157// peripherals, not recommended for standard gamepads
158// - 2: Response is quadratic - optimal setting for gamepads
159// - 3: Response is cubic - enables precise fine control, but
160// difficult to use...
161#define NEGCON_RANGE 0x7FFF
162static int negcon_deadzone = 0;
163static int negcon_linearity = 1;
164
165static bool axis_bounds_modifier;
166
167/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
168#define VOUT_MAX_WIDTH 1024
169#define VOUT_MAX_HEIGHT 512
170
171//Dummy functions
172bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) { return false; }
173void retro_unload_game(void) {}
174static int vout_open(void) { return 0; }
175static void vout_close(void) {}
176static int snd_init(void) { return 0; }
177static void snd_finish(void) {}
178static int snd_busy(void) { return 0; }
179
180#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
181#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
182#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
183#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
184#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
185#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
186#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
187#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
188#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
189
190static void init_memcard(char *mcd_data)
191{
192 unsigned off = 0;
193 unsigned i;
194
195 memset(mcd_data, 0, MCD_SIZE);
196
197 mcd_data[off++] = 'M';
198 mcd_data[off++] = 'C';
199 off += 0x7d;
200 mcd_data[off++] = 0x0e;
201
202 for (i = 0; i < 15; i++)
203 {
204 mcd_data[off++] = 0xa0;
205 off += 0x07;
206 mcd_data[off++] = 0xff;
207 mcd_data[off++] = 0xff;
208 off += 0x75;
209 mcd_data[off++] = 0xa0;
210 }
211
212 for (i = 0; i < 20; i++)
213 {
214 mcd_data[off++] = 0xff;
215 mcd_data[off++] = 0xff;
216 mcd_data[off++] = 0xff;
217 mcd_data[off++] = 0xff;
218 off += 0x04;
219 mcd_data[off++] = 0xff;
220 mcd_data[off++] = 0xff;
221 off += 0x76;
222 }
223}
224
225static void set_vout_fb()
226{
227 struct retro_framebuffer fb = { 0 };
228
229 fb.width = vout_width;
230 fb.height = vout_height;
231 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
232
233 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
234 vout_buf_ptr = (uint16_t *)fb.data;
235 else
236 vout_buf_ptr = vout_buf;
237}
238
239static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
240{
241 vout_width = w;
242 vout_height = h;
243
244 if (previous_width != vout_width || previous_height != vout_height)
245 {
246 previous_width = vout_width;
247 previous_height = vout_height;
248
249 struct retro_system_av_info info;
250 retro_get_system_av_info(&info);
251 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
252 }
253
254 set_vout_fb();
255}
256
257#ifndef FRONTEND_SUPPORTS_RGB565
258static void convert(void *buf, size_t bytes)
259{
260 unsigned int i, v, *p = buf;
261
262 for (i = 0; i < bytes / 4; i++)
263 {
264 v = p[i];
265 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
266 }
267}
268#endif
269
270static void vout_flip(const void *vram, int stride, int bgr24,
271 int x, int y, int w, int h, int dims_changed)
272{
273 unsigned short *dest = vout_buf_ptr;
274 const unsigned short *src = vram;
275 int dstride = vout_width, h1 = h;
276
277 if (vram == NULL || dims_changed)
278 {
279 memset(vout_buf_ptr, 0, dstride * vout_height * 2);
280 // blanking
281 if (vram == NULL)
282 goto out;
283 }
284
285 dest += x + y * dstride;
286
287 if (bgr24)
288 {
289 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
290 for (; h1-- > 0; dest += dstride, src += stride)
291 {
292 bgr888_to_rgb565(dest, src, w * 3);
293 }
294 }
295 else
296 {
297 for (; h1-- > 0; dest += dstride, src += stride)
298 {
299 bgr555_to_rgb565(dest, src, w * 2);
300 }
301 }
302
303out:
304#ifndef FRONTEND_SUPPORTS_RGB565
305 convert(vout_buf_ptr, vout_width * vout_height * 2);
306#endif
307 vout_fb_dirty = 1;
308 pl_rearmed_cbs.flip_cnt++;
309}
310
311#ifdef _3DS
312typedef struct
313{
314 void *buffer;
315 uint32_t target_map;
316 size_t size;
317 enum psxMapTag tag;
318} psx_map_t;
319
320psx_map_t custom_psx_maps[] = {
321 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
322 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
323 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
324 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
325 { NULL, 0x12000000, 0x200000, MAP_TAG_VRAM }, // 0x00000000
326};
327
328void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
329 enum psxMapTag tag)
330{
331 (void)is_fixed;
332 (void)addr;
333
334 if (__ctr_svchax)
335 {
336 psx_map_t *custom_map = custom_psx_maps;
337
338 for (; custom_map->size; custom_map++)
339 {
340 if ((custom_map->size == size) && (custom_map->tag == tag))
341 {
342 uint32_t ptr_aligned, tmp;
343
344 custom_map->buffer = malloc(size + 0x1000);
345 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
346
347 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
348 {
349 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
350 exit(1);
351 }
352
353 return (void *)custom_map->target_map;
354 }
355 }
356 }
357
358 return malloc(size);
359}
360
361void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
362{
363 (void)tag;
364
365 if (__ctr_svchax)
366 {
367 psx_map_t *custom_map = custom_psx_maps;
368
369 for (; custom_map->size; custom_map++)
370 {
371 if ((custom_map->target_map == (uint32_t)ptr))
372 {
373 uint32_t ptr_aligned, tmp;
374
375 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
376
377 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
378
379 free(custom_map->buffer);
380 custom_map->buffer = NULL;
381 return;
382 }
383 }
384 }
385
386 free(ptr);
387}
388#endif
389
390#ifdef VITA
391typedef struct
392{
393 void *buffer;
394 uint32_t target_map;
395 size_t size;
396 enum psxMapTag tag;
397} psx_map_t;
398
399void *addr = NULL;
400
401psx_map_t custom_psx_maps[] = {
402 { NULL, NULL, 0x210000, MAP_TAG_RAM }, // 0x80000000
403 { NULL, NULL, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
404 { NULL, NULL, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
405 { NULL, NULL, 0x800000, MAP_TAG_LUTS }, // 0x08000000
406 { NULL, NULL, 0x200000, MAP_TAG_VRAM }, // 0x00000000
407};
408
409int init_vita_mmap()
410{
411 int n;
412 void *tmpaddr;
413 addr = malloc(64 * 1024 * 1024);
414 if (addr == NULL)
415 return -1;
416 tmpaddr = ((u32)(addr + 0xFFFFFF)) & ~0xFFFFFF;
417 custom_psx_maps[0].buffer = tmpaddr + 0x2000000;
418 custom_psx_maps[1].buffer = tmpaddr + 0x1800000;
419 custom_psx_maps[2].buffer = tmpaddr + 0x1c00000;
420 custom_psx_maps[3].buffer = tmpaddr + 0x0000000;
421 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
422#if 0
423 for(n = 0; n < 5; n++){
424 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
425 }
426#endif
427 return 0;
428}
429
430void deinit_vita_mmap()
431{
432 free(addr);
433}
434
435void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
436 enum psxMapTag tag)
437{
438 (void)is_fixed;
439 (void)addr;
440
441 psx_map_t *custom_map = custom_psx_maps;
442
443 for (; custom_map->size; custom_map++)
444 {
445 if ((custom_map->size == size) && (custom_map->tag == tag))
446 {
447 return custom_map->buffer;
448 }
449 }
450
451 return malloc(size);
452}
453
454void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
455{
456 (void)tag;
457
458 psx_map_t *custom_map = custom_psx_maps;
459
460 for (; custom_map->size; custom_map++)
461 {
462 if ((custom_map->buffer == ptr))
463 {
464 return;
465 }
466 }
467
468 free(ptr);
469}
470#endif
471
472static void *pl_mmap(unsigned int size)
473{
474 return psxMap(0, size, 0, MAP_TAG_VRAM);
475}
476
477static void pl_munmap(void *ptr, unsigned int size)
478{
479 psxUnmap(ptr, size, MAP_TAG_VRAM);
480}
481
482struct rearmed_cbs pl_rearmed_cbs = {
483 .pl_vout_open = vout_open,
484 .pl_vout_set_mode = vout_set_mode,
485 .pl_vout_flip = vout_flip,
486 .pl_vout_close = vout_close,
487 .mmap = pl_mmap,
488 .munmap = pl_munmap,
489 /* from psxcounters */
490 .gpu_hcnt = &hSyncCount,
491 .gpu_frame_count = &frame_counter,
492};
493
494void pl_frame_limit(void)
495{
496 /* called once per frame, make psxCpu->Execute() above return */
497 stop++;
498}
499
500void pl_timing_prepare(int is_pal)
501{
502 is_pal_mode = is_pal;
503}
504
505void plat_trigger_vibrate(int pad, int low, int high)
506{
507 if (!rumble_cb)
508 return;
509
510 if (in_enable_vibration)
511 {
512 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
513 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
514 }
515}
516
517void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
518{
519}
520
521void pl_gun_byte2(int port, unsigned char byte)
522{
523}
524
525/* sound calls */
526static void snd_feed(void *buf, int bytes)
527{
528 if (audio_batch_cb != NULL)
529 audio_batch_cb(buf, bytes / 4);
530}
531
532void out_register_libretro(struct out_driver *drv)
533{
534 drv->name = "libretro";
535 drv->init = snd_init;
536 drv->finish = snd_finish;
537 drv->busy = snd_busy;
538 drv->feed = snd_feed;
539}
540
541#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
542#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
543#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
544#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
545#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
546#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
547
548static char *get_pse_pad_label[] = {
549 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
550};
551
552static const struct retro_controller_description pads[7] =
553{
554 { "standard", RETRO_DEVICE_JOYPAD },
555 { "analog", RETRO_DEVICE_PSE_ANALOG },
556 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
557 { "negcon", RETRO_DEVICE_PSE_NEGCON },
558 { "guncon", RETRO_DEVICE_PSE_GUNCON },
559 { "mouse", RETRO_DEVICE_PSE_MOUSE },
560 { NULL, 0 },
561};
562
563static const struct retro_controller_info ports[9] =
564{
565 { pads, 7 },
566 { pads, 7 },
567 { pads, 7 },
568 { pads, 7 },
569 { pads, 7 },
570 { pads, 7 },
571 { pads, 7 },
572 { pads, 7 },
573 { NULL, 0 },
574};
575
576/* libretro */
577
578static bool update_option_visibility(void)
579{
580 struct retro_variable var = {0};
581 struct retro_core_option_display option_display = {0};
582 bool updated = false;
583 unsigned i;
584
585 /* If frontend supports core option categories
586 * then show/hide core option entries are ignored
587 * and no options should be hidden */
588 if (libretro_supports_option_categories)
589 return false;
590
591 var.key = "pcsx_rearmed_show_input_settings";
592 var.value = NULL;
593
594 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
595 {
596 bool show_input_settings_prev =
597 show_input_settings;
598
599 show_input_settings = true;
600 if (strcmp(var.value, "disabled") == 0)
601 show_input_settings = false;
602
603 if (show_input_settings !=
604 show_input_settings_prev)
605 {
606 char input_option[][50] = {
607 "pcsx_rearmed_analog_axis_modifier",
608 "pcsx_rearmed_vibration",
609 "pcsx_rearmed_multitap",
610 "pcsx_rearmed_negcon_deadzone",
611 "pcsx_rearmed_negcon_response",
612 "pcsx_rearmed_input_sensitivity",
613 "pcsx_rearmed_gunconadjustx",
614 "pcsx_rearmed_gunconadjusty",
615 "pcsx_rearmed_gunconadjustratiox",
616 "pcsx_rearmed_gunconadjustratioy"
617 };
618
619 option_display.visible = show_input_settings;
620
621 for (i = 0;
622 i < (sizeof(input_option) /
623 sizeof(input_option[0]));
624 i++)
625 {
626 option_display.key = input_option[i];
627 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
628 &option_display);
629 }
630
631 updated = true;
632 }
633 }
634#ifdef GPU_PEOPS
635 var.key = "pcsx_rearmed_show_gpu_peops_settings";
636 var.value = NULL;
637
638 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
639 {
640 bool show_advanced_gpu_peops_settings_prev =
641 show_advanced_gpu_peops_settings;
642
643 show_advanced_gpu_peops_settings = true;
644 if (strcmp(var.value, "disabled") == 0)
645 show_advanced_gpu_peops_settings = false;
646
647 if (show_advanced_gpu_peops_settings !=
648 show_advanced_gpu_peops_settings_prev)
649 {
650 unsigned i;
651 struct retro_core_option_display option_display;
652 char gpu_peops_option[][45] = {
653 "pcsx_rearmed_gpu_peops_odd_even_bit",
654 "pcsx_rearmed_gpu_peops_expand_screen_width",
655 "pcsx_rearmed_gpu_peops_ignore_brightness",
656 "pcsx_rearmed_gpu_peops_disable_coord_check",
657 "pcsx_rearmed_gpu_peops_lazy_screen_update",
658 "pcsx_rearmed_gpu_peops_repeated_triangles",
659 "pcsx_rearmed_gpu_peops_quads_with_triangles",
660 "pcsx_rearmed_gpu_peops_fake_busy_state"
661 };
662
663 option_display.visible = show_advanced_gpu_peops_settings;
664
665 for (i = 0;
666 i < (sizeof(gpu_peops_option) /
667 sizeof(gpu_peops_option[0]));
668 i++)
669 {
670 option_display.key = gpu_peops_option[i];
671 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
672 &option_display);
673 }
674
675 updated = true;
676 }
677 }
678#endif
679#ifdef GPU_UNAI
680 var.key = "pcsx_rearmed_show_gpu_unai_settings";
681 var.value = NULL;
682
683 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
684 {
685 bool show_advanced_gpu_unai_settings_prev =
686 show_advanced_gpu_unai_settings;
687
688 show_advanced_gpu_unai_settings = true;
689 if (strcmp(var.value, "disabled") == 0)
690 show_advanced_gpu_unai_settings = false;
691
692 if (show_advanced_gpu_unai_settings !=
693 show_advanced_gpu_unai_settings_prev)
694 {
695 unsigned i;
696 struct retro_core_option_display option_display;
697 char gpu_unai_option[][40] = {
698 "pcsx_rearmed_gpu_unai_blending",
699 "pcsx_rearmed_gpu_unai_lighting",
700 "pcsx_rearmed_gpu_unai_fast_lighting",
701 "pcsx_rearmed_gpu_unai_scale_hires",
702 };
703
704 option_display.visible = show_advanced_gpu_unai_settings;
705
706 for (i = 0;
707 i < (sizeof(gpu_unai_option) /
708 sizeof(gpu_unai_option[0]));
709 i++)
710 {
711 option_display.key = gpu_unai_option[i];
712 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
713 &option_display);
714 }
715
716 updated = true;
717 }
718 }
719#endif
720 return updated;
721}
722
723void retro_set_environment(retro_environment_t cb)
724{
725 bool option_categories = false;
726#ifdef USE_LIBRETRO_VFS
727 struct retro_vfs_interface_info vfs_iface_info;
728#endif
729
730 environ_cb = cb;
731
732 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
733 log_cb = logging.log;
734
735 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
736
737 /* Set core options
738 * An annoyance: retro_set_environment() can be called
739 * multiple times, and depending upon the current frontend
740 * state various environment callbacks may be disabled.
741 * This means the reported 'categories_supported' status
742 * may change on subsequent iterations. We therefore have
743 * to record whether 'categories_supported' is true on any
744 * iteration, and latch the result */
745 libretro_set_core_options(environ_cb, &option_categories);
746 libretro_supports_option_categories |= option_categories;
747
748 /* If frontend supports core option categories,
749 * any show/hide core option entries are unused
750 * and should be hidden */
751 if (libretro_supports_option_categories)
752 {
753 struct retro_core_option_display option_display;
754 option_display.visible = false;
755
756 option_display.key = "pcsx_rearmed_show_input_settings";
757 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
758 &option_display);
759
760#ifdef GPU_PEOPS
761 option_display.key = "pcsx_rearmed_show_gpu_peops_settings";
762 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
763 &option_display);
764#endif
765#ifdef GPU_UNAI
766 option_display.key = "pcsx_rearmed_show_gpu_unai_settings";
767 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
768 &option_display);
769#endif
770 }
771 /* If frontend does not support core option
772 * categories, core options may be shown/hidden
773 * at runtime. In this case, register 'update
774 * display' callback, so frontend can update
775 * core options menu without calling retro_run() */
776 else
777 {
778 struct retro_core_options_update_display_callback update_display_cb;
779 update_display_cb.callback = update_option_visibility;
780
781 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK,
782 &update_display_cb);
783 }
784
785#ifdef USE_LIBRETRO_VFS
786 vfs_iface_info.required_interface_version = 1;
787 vfs_iface_info.iface = NULL;
788 if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
789 filestream_vfs_init(&vfs_iface_info);
790#endif
791}
792
793void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
794void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
795void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
796void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
797void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
798
799unsigned retro_api_version(void)
800{
801 return RETRO_API_VERSION;
802}
803
804static void update_multitap(void)
805{
806 struct retro_variable var = { 0 };
807
808 multitap1 = 0;
809 multitap2 = 0;
810
811 var.value = NULL;
812 var.key = "pcsx_rearmed_multitap";
813 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
814 {
815 if (strcmp(var.value, "port 1") == 0)
816 multitap1 = 1;
817 else if (strcmp(var.value, "port 2") == 0)
818 multitap2 = 1;
819 else if (strcmp(var.value, "ports 1 and 2") == 0)
820 {
821 multitap1 = 1;
822 multitap2 = 1;
823 }
824 }
825}
826
827void retro_set_controller_port_device(unsigned port, unsigned device)
828{
829 if (port >= PORTS_NUMBER)
830 return;
831
832 switch (device)
833 {
834 case RETRO_DEVICE_JOYPAD:
835 case RETRO_DEVICE_PSE_STANDARD:
836 in_type[port] = PSE_PAD_TYPE_STANDARD;
837 break;
838 case RETRO_DEVICE_PSE_ANALOG:
839 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
840 break;
841 case RETRO_DEVICE_PSE_DUALSHOCK:
842 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
843 break;
844 case RETRO_DEVICE_PSE_MOUSE:
845 in_type[port] = PSE_PAD_TYPE_MOUSE;
846 break;
847 case RETRO_DEVICE_PSE_NEGCON:
848 in_type[port] = PSE_PAD_TYPE_NEGCON;
849 break;
850 case RETRO_DEVICE_PSE_GUNCON:
851 in_type[port] = PSE_PAD_TYPE_GUNCON;
852 break;
853 case RETRO_DEVICE_NONE:
854 default:
855 in_type[port] = PSE_PAD_TYPE_NONE;
856 break;
857 }
858
859 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
860}
861
862void retro_get_system_info(struct retro_system_info *info)
863{
864#ifndef GIT_VERSION
865#define GIT_VERSION ""
866#endif
867 memset(info, 0, sizeof(*info));
868 info->library_name = "PCSX-ReARMed";
869 info->library_version = "r23l" GIT_VERSION;
870 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd|iso|exe";
871 info->need_fullpath = true;
872}
873
874void retro_get_system_av_info(struct retro_system_av_info *info)
875{
876 unsigned geom_height = vout_height > 0 ? vout_height : 240;
877 unsigned geom_width = vout_width > 0 ? vout_width : 320;
878
879 memset(info, 0, sizeof(*info));
880 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
881 info->timing.sample_rate = 44100.0;
882 info->geometry.base_width = geom_width;
883 info->geometry.base_height = geom_height;
884 info->geometry.max_width = VOUT_MAX_WIDTH;
885 info->geometry.max_height = VOUT_MAX_HEIGHT;
886 info->geometry.aspect_ratio = 4.0 / 3.0;
887}
888
889/* savestates */
890size_t retro_serialize_size(void)
891{
892 // it's currently 4380651-4397047 bytes,
893 // but have some reserved for future
894 return 0x440000;
895}
896
897struct save_fp
898{
899 char *buf;
900 size_t pos;
901 int is_write;
902};
903
904static void *save_open(const char *name, const char *mode)
905{
906 struct save_fp *fp;
907
908 if (name == NULL || mode == NULL)
909 return NULL;
910
911 fp = malloc(sizeof(*fp));
912 if (fp == NULL)
913 return NULL;
914
915 fp->buf = (char *)name;
916 fp->pos = 0;
917 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
918
919 return fp;
920}
921
922static int save_read(void *file, void *buf, u32 len)
923{
924 struct save_fp *fp = file;
925 if (fp == NULL || buf == NULL)
926 return -1;
927
928 memcpy(buf, fp->buf + fp->pos, len);
929 fp->pos += len;
930 return len;
931}
932
933static int save_write(void *file, const void *buf, u32 len)
934{
935 struct save_fp *fp = file;
936 if (fp == NULL || buf == NULL)
937 return -1;
938
939 memcpy(fp->buf + fp->pos, buf, len);
940 fp->pos += len;
941 return len;
942}
943
944static long save_seek(void *file, long offs, int whence)
945{
946 struct save_fp *fp = file;
947 if (fp == NULL)
948 return -1;
949
950 switch (whence)
951 {
952 case SEEK_CUR:
953 fp->pos += offs;
954 return fp->pos;
955 case SEEK_SET:
956 fp->pos = offs;
957 return fp->pos;
958 default:
959 return -1;
960 }
961}
962
963static void save_close(void *file)
964{
965 struct save_fp *fp = file;
966 size_t r_size = retro_serialize_size();
967 if (fp == NULL)
968 return;
969
970 if (fp->pos > r_size)
971 SysPrintf("ERROR: save buffer overflow detected\n");
972 else if (fp->is_write && fp->pos < r_size)
973 // make sure we don't save trash in leftover space
974 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
975 free(fp);
976}
977
978bool retro_serialize(void *data, size_t size)
979{
980 int ret = SaveState(data);
981 return ret == 0 ? true : false;
982}
983
984bool retro_unserialize(const void *data, size_t size)
985{
986 int ret = LoadState(data);
987 return ret == 0 ? true : false;
988}
989
990/* cheats */
991void retro_cheat_reset(void)
992{
993 ClearAllCheats();
994}
995
996void retro_cheat_set(unsigned index, bool enabled, const char *code)
997{
998 char buf[256];
999 int ret;
1000
1001 // cheat funcs are destructive, need a copy..
1002 strncpy(buf, code, sizeof(buf));
1003 buf[sizeof(buf) - 1] = 0;
1004
1005 //Prepare buffered cheat for PCSX's AddCheat fucntion.
1006 int cursor = 0;
1007 int nonhexdec = 0;
1008 while (buf[cursor])
1009 {
1010 if (!(ISHEXDEC))
1011 {
1012 if (++nonhexdec % 2)
1013 {
1014 buf[cursor] = ' ';
1015 }
1016 else
1017 {
1018 buf[cursor] = '\n';
1019 }
1020 }
1021 cursor++;
1022 }
1023
1024 if (index < NumCheats)
1025 ret = EditCheat(index, "", buf);
1026 else
1027 ret = AddCheat("", buf);
1028
1029 if (ret != 0)
1030 SysPrintf("Failed to set cheat %#u\n", index);
1031 else if (index < NumCheats)
1032 Cheats[index].Enabled = enabled;
1033}
1034
1035// just in case, maybe a win-rt port in the future?
1036#ifdef _WIN32
1037#define SLASH '\\'
1038#else
1039#define SLASH '/'
1040#endif
1041
1042#ifndef PATH_MAX
1043#define PATH_MAX 4096
1044#endif
1045
1046/* multidisk support */
1047static unsigned int disk_initial_index;
1048static char disk_initial_path[PATH_MAX];
1049static bool disk_ejected;
1050static unsigned int disk_current_index;
1051static unsigned int disk_count;
1052static struct disks_state
1053{
1054 char *fname;
1055 char *flabel;
1056 int internal_index; // for multidisk eboots
1057} disks[8];
1058
1059static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
1060{
1061 const char *base = NULL;
1062
1063 if (!disk_path || (*disk_path == '\0'))
1064 return;
1065
1066 base = strrchr(disk_path, SLASH);
1067 if (!base)
1068 base = disk_path;
1069
1070 if (*base == SLASH)
1071 base++;
1072
1073 strncpy(disk_label, base, len - 1);
1074 disk_label[len - 1] = '\0';
1075
1076 char *ext = strrchr(disk_label, '.');
1077 if (ext)
1078 *ext = '\0';
1079}
1080
1081static void disk_init(void)
1082{
1083 size_t i;
1084
1085 disk_ejected = false;
1086 disk_current_index = 0;
1087 disk_count = 0;
1088
1089 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
1090 {
1091 if (disks[i].fname != NULL)
1092 {
1093 free(disks[i].fname);
1094 disks[i].fname = NULL;
1095 }
1096 if (disks[i].flabel != NULL)
1097 {
1098 free(disks[i].flabel);
1099 disks[i].flabel = NULL;
1100 }
1101 disks[i].internal_index = 0;
1102 }
1103}
1104
1105static bool disk_set_eject_state(bool ejected)
1106{
1107 // weird PCSX API..
1108 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
1109 LidInterrupt();
1110
1111 disk_ejected = ejected;
1112 return true;
1113}
1114
1115static bool disk_get_eject_state(void)
1116{
1117 /* can't be controlled by emulated software */
1118 return disk_ejected;
1119}
1120
1121static unsigned int disk_get_image_index(void)
1122{
1123 return disk_current_index;
1124}
1125
1126static bool disk_set_image_index(unsigned int index)
1127{
1128 if (index >= sizeof(disks) / sizeof(disks[0]))
1129 return false;
1130
1131 CdromId[0] = '\0';
1132 CdromLabel[0] = '\0';
1133
1134 if (disks[index].fname == NULL)
1135 {
1136 SysPrintf("missing disk #%u\n", index);
1137 CDR_shutdown();
1138
1139 // RetroArch specifies "no disk" with index == count,
1140 // so don't fail here..
1141 disk_current_index = index;
1142 return true;
1143 }
1144
1145 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
1146 disks[index].fname, disks[index].internal_index);
1147
1148 cdrIsoMultidiskSelect = disks[index].internal_index;
1149 set_cd_image(disks[index].fname);
1150 if (ReloadCdromPlugin() < 0)
1151 {
1152 SysPrintf("failed to load cdr plugin\n");
1153 return false;
1154 }
1155 if (CDR_open() < 0)
1156 {
1157 SysPrintf("failed to open cdr plugin\n");
1158 return false;
1159 }
1160
1161 if (!disk_ejected)
1162 {
1163 SetCdOpenCaseTime(time(NULL) + 2);
1164 LidInterrupt();
1165 }
1166
1167 disk_current_index = index;
1168 return true;
1169}
1170
1171static unsigned int disk_get_num_images(void)
1172{
1173 return disk_count;
1174}
1175
1176static bool disk_replace_image_index(unsigned index,
1177 const struct retro_game_info *info)
1178{
1179 char *old_fname = NULL;
1180 char *old_flabel = NULL;
1181 bool ret = true;
1182
1183 if (index >= sizeof(disks) / sizeof(disks[0]))
1184 return false;
1185
1186 old_fname = disks[index].fname;
1187 old_flabel = disks[index].flabel;
1188
1189 disks[index].fname = NULL;
1190 disks[index].flabel = NULL;
1191 disks[index].internal_index = 0;
1192
1193 if (info != NULL)
1194 {
1195 char disk_label[PATH_MAX];
1196 disk_label[0] = '\0';
1197
1198 disks[index].fname = strdup(info->path);
1199
1200 get_disk_label(disk_label, info->path, PATH_MAX);
1201 disks[index].flabel = strdup(disk_label);
1202
1203 if (index == disk_current_index)
1204 ret = disk_set_image_index(index);
1205 }
1206
1207 if (old_fname != NULL)
1208 free(old_fname);
1209
1210 if (old_flabel != NULL)
1211 free(old_flabel);
1212
1213 return ret;
1214}
1215
1216static bool disk_add_image_index(void)
1217{
1218 if (disk_count >= 8)
1219 return false;
1220
1221 disk_count++;
1222 return true;
1223}
1224
1225static bool disk_set_initial_image(unsigned index, const char *path)
1226{
1227 if (index >= sizeof(disks) / sizeof(disks[0]))
1228 return false;
1229
1230 if (!path || (*path == '\0'))
1231 return false;
1232
1233 disk_initial_index = index;
1234
1235 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1236 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1237
1238 return true;
1239}
1240
1241static bool disk_get_image_path(unsigned index, char *path, size_t len)
1242{
1243 const char *fname = NULL;
1244
1245 if (len < 1)
1246 return false;
1247
1248 if (index >= sizeof(disks) / sizeof(disks[0]))
1249 return false;
1250
1251 fname = disks[index].fname;
1252
1253 if (!fname || (*fname == '\0'))
1254 return false;
1255
1256 strncpy(path, fname, len - 1);
1257 path[len - 1] = '\0';
1258
1259 return true;
1260}
1261
1262static bool disk_get_image_label(unsigned index, char *label, size_t len)
1263{
1264 const char *flabel = NULL;
1265
1266 if (len < 1)
1267 return false;
1268
1269 if (index >= sizeof(disks) / sizeof(disks[0]))
1270 return false;
1271
1272 flabel = disks[index].flabel;
1273
1274 if (!flabel || (*flabel == '\0'))
1275 return false;
1276
1277 strncpy(label, flabel, len - 1);
1278 label[len - 1] = '\0';
1279
1280 return true;
1281}
1282
1283static struct retro_disk_control_callback disk_control = {
1284 .set_eject_state = disk_set_eject_state,
1285 .get_eject_state = disk_get_eject_state,
1286 .get_image_index = disk_get_image_index,
1287 .set_image_index = disk_set_image_index,
1288 .get_num_images = disk_get_num_images,
1289 .replace_image_index = disk_replace_image_index,
1290 .add_image_index = disk_add_image_index,
1291};
1292
1293static struct retro_disk_control_ext_callback disk_control_ext = {
1294 .set_eject_state = disk_set_eject_state,
1295 .get_eject_state = disk_get_eject_state,
1296 .get_image_index = disk_get_image_index,
1297 .set_image_index = disk_set_image_index,
1298 .get_num_images = disk_get_num_images,
1299 .replace_image_index = disk_replace_image_index,
1300 .add_image_index = disk_add_image_index,
1301 .set_initial_image = disk_set_initial_image,
1302 .get_image_path = disk_get_image_path,
1303 .get_image_label = disk_get_image_label,
1304};
1305
1306static char base_dir[1024];
1307
1308static bool read_m3u(const char *file)
1309{
1310 char line[1024];
1311 char name[PATH_MAX];
1312 FILE *fp = fopen(file, "r");
1313 if (!fp)
1314 return false;
1315
1316 while (fgets(line, sizeof(line), fp) && disk_count < sizeof(disks) / sizeof(disks[0]))
1317 {
1318 if (line[0] == '#')
1319 continue;
1320 char *carrige_return = strchr(line, '\r');
1321 if (carrige_return)
1322 *carrige_return = '\0';
1323 char *newline = strchr(line, '\n');
1324 if (newline)
1325 *newline = '\0';
1326
1327 if (line[0] != '\0')
1328 {
1329 char disk_label[PATH_MAX];
1330 disk_label[0] = '\0';
1331
1332 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1333 disks[disk_count].fname = strdup(name);
1334
1335 get_disk_label(disk_label, name, PATH_MAX);
1336 disks[disk_count].flabel = strdup(disk_label);
1337
1338 disk_count++;
1339 }
1340 }
1341
1342 fclose(fp);
1343 return (disk_count != 0);
1344}
1345
1346static void extract_directory(char *buf, const char *path, size_t size)
1347{
1348 char *base;
1349 strncpy(buf, path, size - 1);
1350 buf[size - 1] = '\0';
1351
1352 base = strrchr(buf, '/');
1353 if (!base)
1354 base = strrchr(buf, '\\');
1355
1356 if (base)
1357 *base = '\0';
1358 else
1359 {
1360 buf[0] = '.';
1361 buf[1] = '\0';
1362 }
1363}
1364
1365#if defined(__QNX__) || defined(_WIN32)
1366/* Blackberry QNX doesn't have strcasestr */
1367
1368/*
1369 * Find the first occurrence of find in s, ignore case.
1370 */
1371char *
1372strcasestr(const char *s, const char *find)
1373{
1374 char c, sc;
1375 size_t len;
1376
1377 if ((c = *find++) != 0)
1378 {
1379 c = tolower((unsigned char)c);
1380 len = strlen(find);
1381 do
1382 {
1383 do
1384 {
1385 if ((sc = *s++) == 0)
1386 return (NULL);
1387 } while ((char)tolower((unsigned char)sc) != c);
1388 } while (strncasecmp(s, find, len) != 0);
1389 s--;
1390 }
1391 return ((char *)s);
1392}
1393#endif
1394
1395static void set_retro_memmap(void)
1396{
1397#ifndef NDEBUG
1398 struct retro_memory_map retromap = { 0 };
1399 struct retro_memory_descriptor mmap = {
1400 0, psxM, 0, 0, 0, 0, 0x200000
1401 };
1402
1403 retromap.descriptors = &mmap;
1404 retromap.num_descriptors = 1;
1405
1406 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1407#endif
1408}
1409
1410static void retro_audio_buff_status_cb(
1411 bool active, unsigned occupancy, bool underrun_likely)
1412{
1413 retro_audio_buff_active = active;
1414 retro_audio_buff_occupancy = occupancy;
1415 retro_audio_buff_underrun = underrun_likely;
1416}
1417
1418static void retro_set_audio_buff_status_cb(void)
1419{
1420 if (frameskip_type == FRAMESKIP_NONE)
1421 {
1422 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1423 retro_audio_latency = 0;
1424 }
1425 else
1426 {
1427 bool calculate_audio_latency = true;
1428
1429 if (frameskip_type == FRAMESKIP_FIXED_INTERVAL)
1430 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1431 else
1432 {
1433 struct retro_audio_buffer_status_callback buf_status_cb;
1434 buf_status_cb.callback = retro_audio_buff_status_cb;
1435 if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
1436 &buf_status_cb))
1437 {
1438 retro_audio_buff_active = false;
1439 retro_audio_buff_occupancy = 0;
1440 retro_audio_buff_underrun = false;
1441 retro_audio_latency = 0;
1442 calculate_audio_latency = false;
1443 }
1444 }
1445
1446 if (calculate_audio_latency)
1447 {
1448 /* Frameskip is enabled - increase frontend
1449 * audio latency to minimise potential
1450 * buffer underruns */
1451 uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
1452
1453 /* Set latency to 6x current frame time... */
1454 retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
1455
1456 /* ...then round up to nearest multiple of 32 */
1457 retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
1458 }
1459 }
1460
1461 update_audio_latency = true;
1462 frameskip_counter = 0;
1463}
1464
1465static void update_variables(bool in_flight);
1466bool retro_load_game(const struct retro_game_info *info)
1467{
1468 size_t i;
1469 unsigned int cd_index = 0;
1470 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1471 bool is_exe = (strcasestr(info->path, ".exe") != NULL);
1472 int ret;
1473
1474 struct retro_input_descriptor desc[] = {
1475#define JOYP(port) \
1476 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1477 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1478 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1479 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1480 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1481 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1482 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1483 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1484 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1485 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1486 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1487 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1488 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1489 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1490 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1491 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1492 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1493 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1494 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1495 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" }, \
1496 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER, "Gun Trigger" }, \
1497 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD, "Gun Reload" }, \
1498 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A, "Gun Aux A" }, \
1499 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B, "Gun Aux B" },
1500
1501 JOYP(0)
1502 JOYP(1)
1503 JOYP(2)
1504 JOYP(3)
1505 JOYP(4)
1506 JOYP(5)
1507 JOYP(6)
1508 JOYP(7)
1509
1510 { 0 },
1511 };
1512
1513 frame_count = 0;
1514
1515 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1516
1517#ifdef FRONTEND_SUPPORTS_RGB565
1518 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1519 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1520 {
1521 SysPrintf("RGB565 supported, using it\n");
1522 }
1523#endif
1524
1525 if (info == NULL || info->path == NULL)
1526 {
1527 SysPrintf("info->path required\n");
1528 return false;
1529 }
1530
1531 update_variables(false);
1532
1533 if (plugins_opened)
1534 {
1535 ClosePlugins();
1536 plugins_opened = 0;
1537 }
1538
1539 disk_init();
1540
1541 extract_directory(base_dir, info->path, sizeof(base_dir));
1542
1543 if (is_m3u)
1544 {
1545 if (!read_m3u(info->path))
1546 {
1547 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1548 return false;
1549 }
1550 }
1551 else
1552 {
1553 char disk_label[PATH_MAX];
1554 disk_label[0] = '\0';
1555
1556 disk_count = 1;
1557 disks[0].fname = strdup(info->path);
1558
1559 get_disk_label(disk_label, info->path, PATH_MAX);
1560 disks[0].flabel = strdup(disk_label);
1561 }
1562
1563 /* If this is an M3U file, attempt to set the
1564 * initial disk image */
1565 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1566 {
1567 const char *fname = disks[disk_initial_index].fname;
1568
1569 if (fname && (*fname != '\0'))
1570 if (strcmp(disk_initial_path, fname) == 0)
1571 cd_index = disk_initial_index;
1572 }
1573
1574 set_cd_image(disks[cd_index].fname);
1575 disk_current_index = cd_index;
1576
1577 /* have to reload after set_cd_image for correct cdr plugin */
1578 if (LoadPlugins() == -1)
1579 {
1580 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1581 return false;
1582 }
1583
1584 plugins_opened = 1;
1585 NetOpened = 0;
1586
1587 if (OpenPlugins() == -1)
1588 {
1589 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1590 return false;
1591 }
1592
1593 /* Handle multi-disk images (i.e. PBP)
1594 * > Cannot do this until after OpenPlugins() is
1595 * called (since this sets the value of
1596 * cdrIsoMultidiskCount) */
1597 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1598 {
1599 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1600
1601 /* Small annoyance: We need to change the label
1602 * of disk 0, so have to clear existing entries */
1603 if (disks[0].fname != NULL)
1604 free(disks[0].fname);
1605 disks[0].fname = NULL;
1606
1607 if (disks[0].flabel != NULL)
1608 free(disks[0].flabel);
1609 disks[0].flabel = NULL;
1610
1611 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1612 {
1613 char disk_name[PATH_MAX - 16] = { 0 };
1614 char disk_label[PATH_MAX] = { 0 };
1615
1616 disks[i].fname = strdup(info->path);
1617
1618 get_disk_label(disk_name, info->path, sizeof(disk_name));
1619 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1620 disks[i].flabel = strdup(disk_label);
1621
1622 disks[i].internal_index = i;
1623 }
1624
1625 /* This is not an M3U file, so initial disk
1626 * image has not yet been set - attempt to
1627 * do so now */
1628 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1629 {
1630 const char *fname = disks[disk_initial_index].fname;
1631
1632 if (fname && (*fname != '\0'))
1633 if (strcmp(disk_initial_path, fname) == 0)
1634 cd_index = disk_initial_index;
1635 }
1636
1637 if (cd_index > 0)
1638 {
1639 CdromId[0] = '\0';
1640 CdromLabel[0] = '\0';
1641
1642 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1643 disk_current_index = cd_index;
1644 set_cd_image(disks[cd_index].fname);
1645
1646 if (ReloadCdromPlugin() < 0)
1647 {
1648 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1649 return false;
1650 }
1651 if (CDR_open() < 0)
1652 {
1653 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1654 return false;
1655 }
1656 }
1657 }
1658
1659 /* set ports to use "standard controller" initially */
1660 for (i = 0; i < 8; ++i)
1661 in_type[i] = PSE_PAD_TYPE_STANDARD;
1662
1663 plugin_call_rearmed_cbs();
1664 /* dfinput_activate(); */
1665
1666 if (!is_exe && CheckCdrom() == -1)
1667 {
1668 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1669 return false;
1670 }
1671
1672 SysReset();
1673
1674 if (is_exe)
1675 ret = Load(info->path);
1676 else
1677 ret = LoadCdrom();
1678 if (ret != 0)
1679 {
1680 log_cb(RETRO_LOG_INFO, "could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
1681 return false;
1682 }
1683 emu_on_new_cd(0);
1684
1685 set_retro_memmap();
1686 retro_set_audio_buff_status_cb();
1687
1688 return true;
1689}
1690
1691unsigned retro_get_region(void)
1692{
1693 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1694}
1695
1696void *retro_get_memory_data(unsigned id)
1697{
1698 if (id == RETRO_MEMORY_SAVE_RAM)
1699 return Mcd1Data;
1700 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1701 return psxM;
1702 else
1703 return NULL;
1704}
1705
1706size_t retro_get_memory_size(unsigned id)
1707{
1708 if (id == RETRO_MEMORY_SAVE_RAM)
1709 return MCD_SIZE;
1710 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1711 return 0x200000;
1712 else
1713 return 0;
1714}
1715
1716void retro_reset(void)
1717{
1718 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1719 rebootemu = 1;
1720 //SysReset();
1721}
1722
1723static const unsigned short retro_psx_map[] = {
1724 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1725 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1726 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1727 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1728 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1729 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1730 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1731 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1732 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1733 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1734 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1735 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1736 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1737 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1738 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1739 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1740};
1741#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1742
1743//Percentage distance of screen to adjust
1744static int GunconAdjustX = 0;
1745static int GunconAdjustY = 0;
1746
1747//Used when out by a percentage
1748static float GunconAdjustRatioX = 1;
1749static float GunconAdjustRatioY = 1;
1750
1751static void update_variables(bool in_flight)
1752{
1753 struct retro_variable var;
1754#ifdef GPU_PEOPS
1755 // Always enable GPU_PEOPS_OLD_FRAME_SKIP flag
1756 // (this is set in standalone, with no option
1757 // to change it)
1758 int gpu_peops_fix = GPU_PEOPS_OLD_FRAME_SKIP;
1759#endif
1760 frameskip_type_t prev_frameskip_type;
1761
1762 var.value = NULL;
1763 var.key = "pcsx_rearmed_frameskip_type";
1764
1765 prev_frameskip_type = frameskip_type;
1766 frameskip_type = FRAMESKIP_NONE;
1767 pl_rearmed_cbs.frameskip = 0;
1768
1769 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1770 {
1771 if (strcmp(var.value, "auto") == 0)
1772 frameskip_type = FRAMESKIP_AUTO;
1773 if (strcmp(var.value, "auto_threshold") == 0)
1774 frameskip_type = FRAMESKIP_AUTO_THRESHOLD;
1775 if (strcmp(var.value, "fixed_interval") == 0)
1776 frameskip_type = FRAMESKIP_FIXED_INTERVAL;
1777 }
1778
1779 if (frameskip_type != 0)
1780 pl_rearmed_cbs.frameskip = -1;
1781
1782 var.value = NULL;
1783 var.key = "pcsx_rearmed_frameskip_threshold";
1784 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1785 {
1786 frameskip_threshold = strtol(var.value, NULL, 10);
1787 }
1788
1789 var.value = NULL;
1790 var.key = "pcsx_rearmed_frameskip_interval";
1791 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1792 {
1793 frameskip_interval = strtol(var.value, NULL, 10);
1794 }
1795
1796 var.value = NULL;
1797 var.key = "pcsx_rearmed_region";
1798 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1799 {
1800 Config.PsxAuto = 0;
1801 if (strcmp(var.value, "auto") == 0)
1802 Config.PsxAuto = 1;
1803 else if (strcmp(var.value, "NTSC") == 0)
1804 Config.PsxType = 0;
1805 else if (strcmp(var.value, "PAL") == 0)
1806 Config.PsxType = 1;
1807 }
1808
1809 update_multitap();
1810
1811 var.value = NULL;
1812 var.key = "pcsx_rearmed_negcon_deadzone";
1813 negcon_deadzone = 0;
1814 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1815 {
1816 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1817 }
1818
1819 var.value = NULL;
1820 var.key = "pcsx_rearmed_negcon_response";
1821 negcon_linearity = 1;
1822 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1823 {
1824 if (strcmp(var.value, "quadratic") == 0)
1825 {
1826 negcon_linearity = 2;
1827 }
1828 else if (strcmp(var.value, "cubic") == 0)
1829 {
1830 negcon_linearity = 3;
1831 }
1832 }
1833
1834 var.value = NULL;
1835 var.key = "pcsx_rearmed_analog_axis_modifier";
1836 axis_bounds_modifier = true;
1837 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1838 {
1839 if (strcmp(var.value, "square") == 0)
1840 {
1841 axis_bounds_modifier = true;
1842 }
1843 else if (strcmp(var.value, "circle") == 0)
1844 {
1845 axis_bounds_modifier = false;
1846 }
1847 }
1848
1849 var.value = NULL;
1850 var.key = "pcsx_rearmed_vibration";
1851
1852 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1853 {
1854 if (strcmp(var.value, "disabled") == 0)
1855 in_enable_vibration = 0;
1856 else if (strcmp(var.value, "enabled") == 0)
1857 in_enable_vibration = 1;
1858 }
1859
1860 var.value = NULL;
1861 var.key = "pcsx_rearmed_dithering";
1862
1863 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1864 {
1865 if (strcmp(var.value, "disabled") == 0)
1866 {
1867 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1868 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1869 pl_rearmed_cbs.gpu_unai.dithering = 0;
1870#ifdef GPU_NEON
1871 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1872#endif
1873 }
1874 else if (strcmp(var.value, "enabled") == 0)
1875 {
1876 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1877 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1878 pl_rearmed_cbs.gpu_unai.dithering = 1;
1879#ifdef GPU_NEON
1880 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1881#endif
1882 }
1883 }
1884
1885#ifdef GPU_NEON
1886 var.value = NULL;
1887 var.key = "pcsx_rearmed_neon_interlace_enable_v2";
1888
1889 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1890 {
1891 if (strcmp(var.value, "disabled") == 0)
1892 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1893 else if (strcmp(var.value, "enabled") == 0)
1894 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1895 else // auto
1896 pl_rearmed_cbs.gpu_neon.allow_interlace = 2;
1897 }
1898
1899 var.value = NULL;
1900 var.key = "pcsx_rearmed_neon_enhancement_enable";
1901
1902 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1903 {
1904 if (strcmp(var.value, "disabled") == 0)
1905 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1906 else if (strcmp(var.value, "enabled") == 0)
1907 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1908 }
1909
1910 var.value = NULL;
1911 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1912
1913 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1914 {
1915 if (strcmp(var.value, "disabled") == 0)
1916 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1917 else if (strcmp(var.value, "enabled") == 0)
1918 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1919 }
1920#endif
1921
1922 var.value = NULL;
1923 var.key = "pcsx_rearmed_duping_enable";
1924
1925 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1926 {
1927 if (strcmp(var.value, "disabled") == 0)
1928 duping_enable = false;
1929 else if (strcmp(var.value, "enabled") == 0)
1930 duping_enable = true;
1931 }
1932
1933 var.value = NULL;
1934 var.key = "pcsx_rearmed_display_internal_fps";
1935
1936 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1937 {
1938 if (strcmp(var.value, "disabled") == 0)
1939 display_internal_fps = false;
1940 else if (strcmp(var.value, "enabled") == 0)
1941 display_internal_fps = true;
1942 }
1943
1944 //
1945 // CPU emulation related config
1946#ifndef DRC_DISABLE
1947 var.value = NULL;
1948 var.key = "pcsx_rearmed_drc";
1949
1950 if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
1951 var.value = "enabled";
1952
1953 {
1954 R3000Acpu *prev_cpu = psxCpu;
1955
1956#ifdef _3DS
1957 if (!__ctr_svchax)
1958 Config.Cpu = CPU_INTERPRETER;
1959 else
1960#endif
1961 if (strcmp(var.value, "disabled") == 0)
1962 Config.Cpu = CPU_INTERPRETER;
1963 else if (strcmp(var.value, "enabled") == 0)
1964 Config.Cpu = CPU_DYNAREC;
1965
1966 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1967 if (psxCpu != prev_cpu)
1968 {
1969 prev_cpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
1970 prev_cpu->Shutdown();
1971 psxCpu->Init();
1972 psxCpu->Reset();
1973 psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
1974 }
1975 }
1976#endif /* !DRC_DISABLE */
1977
1978 var.value = NULL;
1979 var.key = "pcsx_rearmed_psxclock";
1980 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1981 {
1982 int psxclock = atoi(var.value);
1983 Config.cycle_multiplier = 10000 / psxclock;
1984 }
1985
1986#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
1987 var.value = NULL;
1988 var.key = "pcsx_rearmed_nosmccheck";
1989 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1990 {
1991 if (strcmp(var.value, "enabled") == 0)
1992 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
1993 else
1994 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
1995 }
1996
1997 var.value = NULL;
1998 var.key = "pcsx_rearmed_gteregsunneeded";
1999 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2000 {
2001 if (strcmp(var.value, "enabled") == 0)
2002 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2003 else
2004 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2005 }
2006
2007 var.value = NULL;
2008 var.key = "pcsx_rearmed_nogteflags";
2009 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2010 {
2011 if (strcmp(var.value, "enabled") == 0)
2012 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2013 else
2014 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2015 }
2016
2017 var.value = NULL;
2018 var.key = "pcsx_rearmed_nocompathacks";
2019 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2020 {
2021 if (strcmp(var.value, "enabled") == 0)
2022 new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
2023 else
2024 new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
2025 }
2026#endif /* !DRC_DISABLE && !LIGHTREC */
2027
2028 var.value = NULL;
2029 var.key = "pcsx_rearmed_nostalls";
2030 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2031 {
2032 if (strcmp(var.value, "enabled") == 0)
2033 Config.DisableStalls = 1;
2034 else
2035 Config.DisableStalls = 0;
2036 }
2037
2038 var.value = NULL;
2039 var.key = "pcsx_rearmed_icache_emulation";
2040 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2041 {
2042 if (strcmp(var.value, "disabled") == 0)
2043 Config.icache_emulation = 0;
2044 else if (strcmp(var.value, "enabled") == 0)
2045 Config.icache_emulation = 1;
2046 }
2047
2048 var.value = NULL;
2049 var.key = "pcsx_rearmed_exception_emulation";
2050 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2051 {
2052 if (strcmp(var.value, "enabled") == 0)
2053 Config.PreciseExceptions = 1;
2054 else
2055 Config.PreciseExceptions = 0;
2056 }
2057
2058 psxCpu->ApplyConfig();
2059
2060 // end of CPU emu config
2061 //
2062
2063 var.value = NULL;
2064 var.key = "pcsx_rearmed_spu_reverb";
2065
2066 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2067 {
2068 if (strcmp(var.value, "disabled") == 0)
2069 spu_config.iUseReverb = false;
2070 else if (strcmp(var.value, "enabled") == 0)
2071 spu_config.iUseReverb = true;
2072 }
2073
2074 var.value = NULL;
2075 var.key = "pcsx_rearmed_spu_interpolation";
2076
2077 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2078 {
2079 if (strcmp(var.value, "simple") == 0)
2080 spu_config.iUseInterpolation = 1;
2081 else if (strcmp(var.value, "gaussian") == 0)
2082 spu_config.iUseInterpolation = 2;
2083 else if (strcmp(var.value, "cubic") == 0)
2084 spu_config.iUseInterpolation = 3;
2085 else if (strcmp(var.value, "off") == 0)
2086 spu_config.iUseInterpolation = 0;
2087 }
2088
2089 var.value = NULL;
2090 var.key = "pcsx_rearmed_spu_thread";
2091 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2092 {
2093 if (strcmp(var.value, "enabled") == 0)
2094 spu_config.iUseThread = 1;
2095 else
2096 spu_config.iUseThread = 0;
2097 }
2098
2099 if (P_HAVE_PTHREAD) {
2100 var.value = NULL;
2101 var.key = "pcsx_rearmed_async_cd";
2102 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2103 {
2104 if (strcmp(var.value, "async") == 0)
2105 {
2106 Config.AsyncCD = 1;
2107 Config.CHD_Precache = 0;
2108 }
2109 else if (strcmp(var.value, "sync") == 0)
2110 {
2111 Config.AsyncCD = 0;
2112 Config.CHD_Precache = 0;
2113 }
2114 else if (strcmp(var.value, "precache") == 0)
2115 {
2116 Config.AsyncCD = 0;
2117 Config.CHD_Precache = 1;
2118 }
2119 }
2120 }
2121
2122 var.value = NULL;
2123 var.key = "pcsx_rearmed_noxadecoding";
2124 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2125 {
2126 if (strcmp(var.value, "disabled") == 0)
2127 Config.Xa = 1;
2128 else
2129 Config.Xa = 0;
2130 }
2131
2132 var.value = NULL;
2133 var.key = "pcsx_rearmed_nocdaudio";
2134 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2135 {
2136 if (strcmp(var.value, "disabled") == 0)
2137 Config.Cdda = 1;
2138 else
2139 Config.Cdda = 0;
2140 }
2141
2142 var.value = NULL;
2143 var.key = "pcsx_rearmed_gpu_slow_llists";
2144 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2145 {
2146 if (strcmp(var.value, "disabled") == 0)
2147 Config.GpuListWalking = 0;
2148 else if (strcmp(var.value, "enabled") == 0)
2149 Config.GpuListWalking = 1;
2150 else // auto
2151 Config.GpuListWalking = -1;
2152 }
2153
2154 var.value = NULL;
2155 var.key = "pcsx_rearmed_screen_centering";
2156 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2157 {
2158 if (strcmp(var.value, "game") == 0)
2159 pl_rearmed_cbs.screen_centering_type = 1;
2160 else if (strcmp(var.value, "manual") == 0)
2161 pl_rearmed_cbs.screen_centering_type = 2;
2162 else // auto
2163 pl_rearmed_cbs.screen_centering_type = 0;
2164 }
2165
2166 var.value = NULL;
2167 var.key = "pcsx_rearmed_screen_centering_x";
2168 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2169 {
2170 pl_rearmed_cbs.screen_centering_x = atoi(var.value);
2171 }
2172
2173 var.value = NULL;
2174 var.key = "pcsx_rearmed_screen_centering_y";
2175 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2176 {
2177 pl_rearmed_cbs.screen_centering_y = atoi(var.value);
2178 }
2179
2180#ifdef THREAD_RENDERING
2181 var.key = "pcsx_rearmed_gpu_thread_rendering";
2182 var.value = NULL;
2183
2184 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2185 {
2186 if (strcmp(var.value, "disabled") == 0)
2187 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
2188 else if (strcmp(var.value, "sync") == 0)
2189 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
2190 else if (strcmp(var.value, "async") == 0)
2191 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
2192 }
2193#endif
2194
2195#ifdef GPU_PEOPS
2196 var.value = NULL;
2197 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
2198
2199 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2200 {
2201 if (strcmp(var.value, "enabled") == 0)
2202 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
2203 }
2204
2205 var.value = NULL;
2206 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
2207
2208 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2209 {
2210 if (strcmp(var.value, "enabled") == 0)
2211 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
2212 }
2213
2214 var.value = NULL;
2215 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
2216
2217 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2218 {
2219 if (strcmp(var.value, "enabled") == 0)
2220 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
2221 }
2222
2223 var.value = NULL;
2224 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
2225
2226 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2227 {
2228 if (strcmp(var.value, "enabled") == 0)
2229 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
2230 }
2231
2232 var.value = NULL;
2233 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
2234
2235 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2236 {
2237 if (strcmp(var.value, "enabled") == 0)
2238 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
2239 }
2240
2241 var.value = NULL;
2242 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
2243
2244 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2245 {
2246 if (strcmp(var.value, "enabled") == 0)
2247 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
2248 }
2249
2250 var.value = NULL;
2251 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
2252
2253 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2254 {
2255 if (strcmp(var.value, "enabled") == 0)
2256 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
2257 }
2258
2259 var.value = NULL;
2260 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
2261
2262 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2263 {
2264 if (strcmp(var.value, "enabled") == 0)
2265 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
2266 }
2267
2268 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
2269 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
2270#endif
2271
2272#ifdef GPU_UNAI
2273 /* Note: This used to be an option, but it only works
2274 * (correctly) when running high resolution games
2275 * (480i, 512i) and has been obsoleted by
2276 * pcsx_rearmed_gpu_unai_scale_hires */
2277 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2278 /* Note: This used to be an option, but it has no
2279 * discernable effect and has been obsoleted by
2280 * pcsx_rearmed_gpu_unai_scale_hires */
2281 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2282
2283 var.key = "pcsx_rearmed_gpu_unai_lighting";
2284 var.value = NULL;
2285
2286 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2287 {
2288 if (strcmp(var.value, "disabled") == 0)
2289 pl_rearmed_cbs.gpu_unai.lighting = 0;
2290 else if (strcmp(var.value, "enabled") == 0)
2291 pl_rearmed_cbs.gpu_unai.lighting = 1;
2292 }
2293
2294 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2295 var.value = NULL;
2296
2297 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2298 {
2299 if (strcmp(var.value, "disabled") == 0)
2300 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2301 else if (strcmp(var.value, "enabled") == 0)
2302 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2303 }
2304
2305 var.key = "pcsx_rearmed_gpu_unai_blending";
2306 var.value = NULL;
2307
2308 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2309 {
2310 if (strcmp(var.value, "disabled") == 0)
2311 pl_rearmed_cbs.gpu_unai.blending = 0;
2312 else if (strcmp(var.value, "enabled") == 0)
2313 pl_rearmed_cbs.gpu_unai.blending = 1;
2314 }
2315
2316 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2317 var.value = NULL;
2318
2319 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2320 {
2321 if (strcmp(var.value, "disabled") == 0)
2322 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2323 else if (strcmp(var.value, "enabled") == 0)
2324 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2325 }
2326#endif // GPU_UNAI
2327
2328 //This adjustment process gives the user the ability to manually align the mouse up better
2329 //with where the shots are in the emulator.
2330
2331 var.value = NULL;
2332 var.key = "pcsx_rearmed_gunconadjustx";
2333
2334 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2335 {
2336 GunconAdjustX = atoi(var.value);
2337 }
2338
2339 var.value = NULL;
2340 var.key = "pcsx_rearmed_gunconadjusty";
2341
2342 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2343 {
2344 GunconAdjustY = atoi(var.value);
2345 }
2346
2347 var.value = NULL;
2348 var.key = "pcsx_rearmed_gunconadjustratiox";
2349
2350 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2351 {
2352 GunconAdjustRatioX = atof(var.value);
2353 }
2354
2355 var.value = NULL;
2356 var.key = "pcsx_rearmed_gunconadjustratioy";
2357
2358 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2359 {
2360 GunconAdjustRatioY = atof(var.value);
2361 }
2362
2363 var.value = NULL;
2364 var.key = "pcsx_rearmed_input_sensitivity";
2365 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2366 {
2367 mouse_sensitivity = atof(var.value);
2368 }
2369
2370 if (in_flight)
2371 {
2372 // inform core things about possible config changes
2373 plugin_call_rearmed_cbs();
2374
2375 if (GPU_open != NULL && GPU_close != NULL)
2376 {
2377 GPU_close();
2378 GPU_open(&gpuDisp, "PCSX", NULL);
2379 }
2380
2381 /* Reinitialise frameskipping, if required */
2382 if (((frameskip_type != prev_frameskip_type)))
2383 retro_set_audio_buff_status_cb();
2384
2385 /* dfinput_activate(); */
2386 }
2387 else
2388 {
2389 //not yet running
2390
2391 //bootlogo display hack
2392 if (found_bios)
2393 {
2394 var.value = NULL;
2395 var.key = "pcsx_rearmed_show_bios_bootlogo";
2396 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2397 {
2398 Config.SlowBoot = 0;
2399 rebootemu = 0;
2400 if (strcmp(var.value, "enabled") == 0)
2401 {
2402 Config.SlowBoot = 1;
2403 rebootemu = 1;
2404 }
2405 }
2406 }
2407 }
2408
2409 update_option_visibility();
2410}
2411
2412// Taken from beetle-psx-libretro
2413static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2414{
2415 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2416 // feature (or pre-date it) so we need to handle this in a graceful way.
2417
2418 // First, try and get an analog value using the new libretro API constant
2419 uint16_t button = input_state_cb(player_index,
2420 RETRO_DEVICE_ANALOG,
2421 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2422 id);
2423 button = MIN(button / 128, 255);
2424
2425 if (button == 0)
2426 {
2427 // If we got exactly zero, we're either not pressing the button, or the front-end
2428 // is not reporting analog values. We need to do a second check using the classic
2429 // digital API method, to at least get some response - better than nothing.
2430
2431 // NOTE: If we're really just not holding the button, we're still going to get zero.
2432
2433 button = (ret & (1 << id)) ? 255 : 0;
2434 }
2435
2436 return button;
2437}
2438
2439unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2440{
2441 float modifier_axis_range = 0;
2442
2443 if (is_square)
2444 {
2445 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2446 if (modifier_axis_range < 0)
2447 {
2448 modifier_axis_range = 0;
2449 }
2450 else if (modifier_axis_range > 255)
2451 {
2452 modifier_axis_range = 255;
2453 }
2454 }
2455 else
2456 {
2457 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2458 }
2459
2460 return modifier_axis_range;
2461}
2462
2463static void update_input_guncon(int port, int ret)
2464{
2465 //ToDo:
2466 //Core option for cursors for both players
2467 //Separate pointer and lightgun control types
2468
2469 //Mouse range is -32767 -> 32767
2470 //1% is about 655
2471 //Use the left analog stick field to store the absolute coordinates
2472
2473 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
2474 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
2475
2476 //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
2477 //Offscreen value is chosen to be well out of range of any possible scaling done via core options
2478 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
2479 {
2480 in_analog_left[port][0] = (65536 - 512) * 64;
2481 in_analog_left[port][1] = (65536 - 512) * 64;
2482 }
2483 else
2484 {
2485 in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
2486 in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
2487 }
2488
2489 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2490
2491 // Trigger
2492 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
2493 in_keystate[port] |= (1 << DKEY_CIRCLE);
2494
2495 // A
2496 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
2497 in_keystate[port] |= (1 << DKEY_START);
2498
2499 // B
2500 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B))
2501 in_keystate[port] |= (1 << DKEY_CROSS);
2502
2503}
2504
2505static void update_input_negcon(int port, int ret)
2506{
2507 int lsx;
2508 int rsy;
2509 int negcon_i_rs;
2510 int negcon_ii_rs;
2511 float negcon_twist_amplitude;
2512
2513 // Query digital inputs
2514 //
2515 // > Pad-Up
2516 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2517 in_keystate[port] |= (1 << DKEY_UP);
2518 // > Pad-Right
2519 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2520 in_keystate[port] |= (1 << DKEY_RIGHT);
2521 // > Pad-Down
2522 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2523 in_keystate[port] |= (1 << DKEY_DOWN);
2524 // > Pad-Left
2525 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2526 in_keystate[port] |= (1 << DKEY_LEFT);
2527 // > Start
2528 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2529 in_keystate[port] |= (1 << DKEY_START);
2530 // > neGcon A
2531 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2532 in_keystate[port] |= (1 << DKEY_CIRCLE);
2533 // > neGcon B
2534 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2535 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2536 // > neGcon R shoulder (digital)
2537 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2538 in_keystate[port] |= (1 << DKEY_R1);
2539 // Query analog inputs
2540 //
2541 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2542 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2543 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2544 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2545 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2546 // So we just have to map in_analog_left/right to more
2547 // appropriate inputs...
2548 //
2549 // > NeGcon twist
2550 // >> Get raw analog stick value and account for deadzone
2551 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2552 if (lsx > negcon_deadzone)
2553 lsx = lsx - negcon_deadzone;
2554 else if (lsx < -negcon_deadzone)
2555 lsx = lsx + negcon_deadzone;
2556 else
2557 lsx = 0;
2558 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2559 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2560 if (negcon_linearity == 2)
2561 {
2562 if (negcon_twist_amplitude < 0.0)
2563 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2564 else
2565 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2566 }
2567 else if (negcon_linearity == 3)
2568 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2569 // >> Convert to final 'in_analog' integer value [0,255]
2570 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2571 // > NeGcon I + II
2572 // >> Handle right analog stick vertical axis mapping...
2573 // - Up (-Y) == accelerate == neGcon I
2574 // - Down (+Y) == brake == neGcon II
2575 negcon_i_rs = 0;
2576 negcon_ii_rs = 0;
2577 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2578 if (rsy >= 0)
2579 {
2580 // Account for deadzone
2581 // (Note: have never encountered a gamepad with significant differences
2582 // in deadzone between left/right analog sticks, so use the regular 'twist'
2583 // deadzone here)
2584 if (rsy > negcon_deadzone)
2585 rsy = rsy - negcon_deadzone;
2586 else
2587 rsy = 0;
2588 // Convert to 'in_analog' integer value [0,255]
2589 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2590 }
2591 else
2592 {
2593 if (rsy < -negcon_deadzone)
2594 rsy = -1 * (rsy + negcon_deadzone);
2595 else
2596 rsy = 0;
2597 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2598 }
2599 // >> NeGcon I
2600 in_analog_right[port][1] = MAX(
2601 MAX(
2602 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2603 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2604 negcon_i_rs);
2605 // >> NeGcon II
2606 in_analog_left[port][0] = MAX(
2607 MAX(
2608 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2609 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2610 negcon_ii_rs);
2611 // > NeGcon L
2612 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2613}
2614
2615static void update_input_mouse(int port, int ret)
2616{
2617 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2618 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2619
2620 int x = (int)roundf(raw_x * mouse_sensitivity);
2621 int y = (int)roundf(raw_y * mouse_sensitivity);
2622
2623 if (x > 127) x = 127;
2624 else if (x < -128) x = -128;
2625
2626 if (y > 127) y = 127;
2627 else if (y < -128) y = -128;
2628
2629 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2630 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2631
2632 /* left mouse button state */
2633 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2634 in_keystate[port] |= 1 << 11;
2635
2636 /* right mouse button state */
2637 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2638 in_keystate[port] |= 1 << 10;
2639}
2640
2641static void update_input(void)
2642{
2643 // reset all keystate, query libretro for keystate
2644 int i;
2645 int j;
2646
2647 for (i = 0; i < PORTS_NUMBER; i++)
2648 {
2649 int16_t ret = 0;
2650 int type = in_type[i];
2651
2652 in_keystate[i] = 0;
2653
2654 if (type == PSE_PAD_TYPE_NONE)
2655 continue;
2656
2657 if (libretro_supports_bitmasks)
2658 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2659 else
2660 {
2661 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2662 {
2663 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2664 ret |= (1 << j);
2665 }
2666 }
2667
2668 switch (type)
2669 {
2670 case PSE_PAD_TYPE_GUNCON:
2671 update_input_guncon(i, ret);
2672 break;
2673 case PSE_PAD_TYPE_NEGCON:
2674 update_input_negcon(i, ret);
2675 break;
2676 case PSE_PAD_TYPE_MOUSE:
2677 update_input_mouse(i, ret);
2678 break;
2679 default:
2680 // Query digital inputs
2681 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2682 if (ret & (1 << j))
2683 in_keystate[i] |= retro_psx_map[j];
2684
2685 // Query analog inputs
2686 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2687 {
2688 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);
2689 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);
2690 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);
2691 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);
2692 }
2693 }
2694 }
2695}
2696
2697static void print_internal_fps(void)
2698{
2699 if (display_internal_fps)
2700 {
2701 frame_count++;
2702
2703 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2704 {
2705 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2706 char str[64];
2707 const char *strc = (const char *)str;
2708
2709 str[0] = '\0';
2710
2711 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2712
2713 pl_rearmed_cbs.flip_cnt = 0;
2714
2715 if (msg_interface_version >= 1)
2716 {
2717 struct retro_message_ext msg = {
2718 strc,
2719 3000,
2720 1,
2721 RETRO_LOG_INFO,
2722 RETRO_MESSAGE_TARGET_OSD,
2723 RETRO_MESSAGE_TYPE_STATUS,
2724 -1
2725 };
2726 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2727 }
2728 else
2729 {
2730 struct retro_message msg = {
2731 strc,
2732 180
2733 };
2734 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2735 }
2736 }
2737 }
2738 else
2739 frame_count = 0;
2740}
2741
2742void retro_run(void)
2743{
2744 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2745 if (rebootemu != 0)
2746 {
2747 rebootemu = 0;
2748 SysReset();
2749 if (Config.HLE)
2750 LoadCdrom();
2751 }
2752
2753 print_internal_fps();
2754
2755 /* Check whether current frame should
2756 * be skipped */
2757 pl_rearmed_cbs.fskip_force = 0;
2758 pl_rearmed_cbs.fskip_dirty = 0;
2759
2760 if (frameskip_type != FRAMESKIP_NONE)
2761 {
2762 bool skip_frame = false;
2763
2764 switch (frameskip_type)
2765 {
2766 case FRAMESKIP_AUTO:
2767 skip_frame = retro_audio_buff_active && retro_audio_buff_underrun;
2768 break;
2769 case FRAMESKIP_AUTO_THRESHOLD:
2770 skip_frame = retro_audio_buff_active && (retro_audio_buff_occupancy < frameskip_threshold);
2771 break;
2772 case FRAMESKIP_FIXED_INTERVAL:
2773 skip_frame = true;
2774 break;
2775 default:
2776 break;
2777 }
2778
2779 if (skip_frame && frameskip_counter < frameskip_interval)
2780 pl_rearmed_cbs.fskip_force = 1;
2781 }
2782
2783 /* If frameskip/timing settings have changed,
2784 * update frontend audio latency
2785 * > Can do this before or after the frameskip
2786 * check, but doing it after means we at least
2787 * retain the current frame's audio output */
2788 if (update_audio_latency)
2789 {
2790 environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
2791 &retro_audio_latency);
2792 update_audio_latency = false;
2793 }
2794
2795 input_poll_cb();
2796
2797 update_input();
2798
2799 bool updated = false;
2800 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2801 update_variables(true);
2802
2803 stop = 0;
2804 psxCpu->Execute();
2805
2806 if (pl_rearmed_cbs.fskip_dirty == 1) {
2807 if (frameskip_counter < frameskip_interval)
2808 frameskip_counter++;
2809 else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
2810 frameskip_counter = 0;
2811 }
2812
2813 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2814 vout_width, vout_height, vout_width * 2);
2815 vout_fb_dirty = 0;
2816
2817 set_vout_fb();
2818}
2819
2820static bool try_use_bios(const char *path, bool preferred_only)
2821{
2822 long size;
2823 const char *name;
2824 FILE *fp = fopen(path, "rb");
2825 if (fp == NULL)
2826 return false;
2827
2828 fseek(fp, 0, SEEK_END);
2829 size = ftell(fp);
2830 fclose(fp);
2831
2832 name = strrchr(path, SLASH);
2833 if (name++ == NULL)
2834 name = path;
2835
2836 if (preferred_only && size != 512 * 1024)
2837 return false;
2838 if (size != 512 * 1024 && size != 4 * 1024 * 1024)
2839 return false;
2840 if (strstr(name, "unirom"))
2841 return false;
2842 // jp bios have an addidional region check
2843 if (preferred_only && (strcasestr(name, "00.") || strcasestr(name, "j.bin")))
2844 return false;
2845
2846 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2847 return true;
2848}
2849
2850#ifndef VITA
2851#include <sys/types.h>
2852#include <dirent.h>
2853
2854static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2855{
2856 static const char *substr_pref[] = { "scph", "ps" };
2857 static const char *substr_alt[] = { "scph", "ps", "openbios" };
2858 DIR *dir;
2859 struct dirent *ent;
2860 bool ret = false;
2861 size_t i;
2862
2863 dir = opendir(dirpath);
2864 if (dir == NULL)
2865 return false;
2866
2867 // try to find a "better" bios
2868 while ((ent = readdir(dir)))
2869 {
2870 for (i = 0; i < sizeof(substr_pref) / sizeof(substr_pref[0]); i++)
2871 {
2872 const char *substr = substr_pref[i];
2873 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
2874 continue;
2875 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2876 ret = try_use_bios(path, true);
2877 if (ret)
2878 goto finish;
2879 }
2880 }
2881
2882 // another pass to look for anything fitting, even ps2 bios
2883 rewinddir(dir);
2884 while ((ent = readdir(dir)))
2885 {
2886 for (i = 0; i < sizeof(substr_alt) / sizeof(substr_alt[0]); i++)
2887 {
2888 const char *substr = substr_alt[i];
2889 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
2890 continue;
2891 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2892 ret = try_use_bios(path, false);
2893 if (ret)
2894 goto finish;
2895 }
2896 }
2897
2898
2899finish:
2900 closedir(dir);
2901 return ret;
2902}
2903#else
2904#define find_any_bios(...) false
2905#endif
2906
2907static void check_system_specs(void)
2908{
2909 unsigned level = 6;
2910 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2911}
2912
2913static int init_memcards(void)
2914{
2915 int ret = 0;
2916 const char *dir;
2917 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
2918 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2919
2920 // Memcard2 will be handled and is re-enabled if needed using core
2921 // operations.
2922 // Memcard1 is handled by libretro, doing this will set core to
2923 // skip file io operations for memcard1 like SaveMcd
2924 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2925 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2926 init_memcard(Mcd1Data);
2927 // Memcard 2 is managed by the emulator on the filesystem,
2928 // There is no need to initialize Mcd2Data like Mcd1Data.
2929
2930 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2931 {
2932 SysPrintf("Memcard 2: %s\n", var.value);
2933 if (memcmp(var.value, "enabled", 7) == 0)
2934 {
2935 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
2936 {
2937 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
2938 {
2939 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2940 ret = -1;
2941 }
2942 else
2943 {
2944 McdDisable[1] = 0;
2945 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2946 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2947 }
2948 }
2949 else
2950 {
2951 SysPrintf("Could not get save directory! Could not create memcard 2.");
2952 ret = -1;
2953 }
2954 }
2955 }
2956 return ret;
2957}
2958
2959static void loadPSXBios(void)
2960{
2961 const char *dir;
2962 char path[PATH_MAX];
2963 unsigned useHLE = 0;
2964
2965 const char *bios[] = {
2966 "PSXONPSP660", "psxonpsp660",
2967 "SCPH101", "scph101",
2968 "SCPH5501", "scph5501",
2969 "SCPH7001", "scph7001",
2970 "SCPH1001", "scph1001"
2971 };
2972
2973 struct retro_variable var = {
2974 .key = "pcsx_rearmed_bios",
2975 .value = NULL
2976 };
2977
2978 found_bios = 0;
2979
2980 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2981 {
2982 if (!strcmp(var.value, "HLE"))
2983 useHLE = 1;
2984 }
2985
2986 if (!useHLE)
2987 {
2988 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2989 {
2990 unsigned i;
2991 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2992
2993 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
2994 {
2995 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2996 found_bios = try_use_bios(path, true);
2997 if (found_bios)
2998 break;
2999 }
3000
3001 if (!found_bios)
3002 found_bios = find_any_bios(dir, path, sizeof(path));
3003 }
3004 if (found_bios)
3005 {
3006 SysPrintf("found BIOS file: %s\n", Config.Bios);
3007 }
3008 }
3009
3010 if (!found_bios)
3011 {
3012 const char *msg_str;
3013 if (useHLE)
3014 {
3015 msg_str = "BIOS set to \'hle\' in core options - real BIOS will be ignored";
3016 SysPrintf("Using HLE BIOS.\n");
3017 }
3018 else
3019 {
3020 msg_str = "No PlayStation BIOS file found - add for better compatibility";
3021 SysPrintf("No BIOS files found.\n");
3022 }
3023
3024 if (msg_interface_version >= 1)
3025 {
3026 struct retro_message_ext msg = {
3027 msg_str,
3028 3000,
3029 3,
3030 RETRO_LOG_WARN,
3031 RETRO_MESSAGE_TARGET_ALL,
3032 RETRO_MESSAGE_TYPE_NOTIFICATION,
3033 -1
3034 };
3035 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
3036 }
3037 else
3038 {
3039 struct retro_message msg = {
3040 msg_str,
3041 180
3042 };
3043 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
3044 }
3045 }
3046}
3047
3048void retro_init(void)
3049{
3050 unsigned dci_version = 0;
3051 struct retro_rumble_interface rumble;
3052 int ret;
3053
3054 msg_interface_version = 0;
3055 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
3056
3057#if defined(__MACH__) && !defined(TVOS)
3058 // magic sauce to make the dynarec work on iOS
3059 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
3060#endif
3061
3062#ifdef _3DS
3063 psxMapHook = pl_3ds_mmap;
3064 psxUnmapHook = pl_3ds_munmap;
3065#endif
3066#ifdef VITA
3067 if (init_vita_mmap() < 0)
3068 abort();
3069 psxMapHook = pl_vita_mmap;
3070 psxUnmapHook = pl_vita_munmap;
3071#endif
3072 ret = emu_core_preinit();
3073#ifdef _3DS
3074 /* emu_core_preinit sets the cpu to dynarec */
3075 if (!__ctr_svchax)
3076 Config.Cpu = CPU_INTERPRETER;
3077#endif
3078 ret |= init_memcards();
3079
3080 ret |= emu_core_init();
3081 if (ret != 0)
3082 {
3083 SysPrintf("PCSX init failed.\n");
3084 exit(1);
3085 }
3086
3087#ifdef _3DS
3088 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
3089#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
3090 if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
3091 vout_buf = (void *) 0;
3092#else
3093 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
3094#endif
3095
3096 vout_buf_ptr = vout_buf;
3097
3098 loadPSXBios();
3099
3100 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
3101
3102 disk_initial_index = 0;
3103 disk_initial_path[0] = '\0';
3104 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
3105 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
3106 else
3107 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
3108
3109 rumble_cb = NULL;
3110 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
3111 rumble_cb = rumble.set_rumble_state;
3112
3113 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
3114 * we have to do this because cache misses and some IO penalties
3115 * are not emulated. Warning: changing this may break compatibility. */
3116 Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
3117#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
3118 Config.cycle_multiplier = 200;
3119#endif
3120 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
3121 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
3122 spu_config.iUseFixedUpdates = 1;
3123
3124 SaveFuncs.open = save_open;
3125 SaveFuncs.read = save_read;
3126 SaveFuncs.write = save_write;
3127 SaveFuncs.seek = save_seek;
3128 SaveFuncs.close = save_close;
3129
3130 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
3131 libretro_supports_bitmasks = true;
3132
3133 check_system_specs();
3134}
3135
3136void retro_deinit(void)
3137{
3138 if (plugins_opened)
3139 {
3140 ClosePlugins();
3141 plugins_opened = 0;
3142 }
3143 SysClose();
3144#ifdef _3DS
3145 linearFree(vout_buf);
3146#else
3147 free(vout_buf);
3148#endif
3149 vout_buf = NULL;
3150
3151#ifdef VITA
3152 deinit_vita_mmap();
3153#endif
3154 libretro_supports_bitmasks = false;
3155 libretro_supports_option_categories = false;
3156
3157 show_input_settings = true;
3158#ifdef GPU_PEOPS
3159 show_advanced_gpu_peops_settings = true;
3160#endif
3161#ifdef GPU_UNAI
3162 show_advanced_gpu_unai_settings = true;
3163#endif
3164
3165 /* Have to reset disks struct, otherwise
3166 * fnames/flabels will leak memory */
3167 disk_init();
3168 frameskip_type = FRAMESKIP_NONE;
3169 frameskip_threshold = 0;
3170 frameskip_interval = 0;
3171 frameskip_counter = 0;
3172 retro_audio_buff_active = false;
3173 retro_audio_buff_occupancy = 0;
3174 retro_audio_buff_underrun = false;
3175 retro_audio_latency = 0;
3176 update_audio_latency = false;
3177}
3178
3179#ifdef VITA
3180#include <psp2/kernel/threadmgr.h>
3181int usleep(unsigned long us)
3182{
3183 sceKernelDelayThread(us);
3184}
3185#endif
3186
3187void SysPrintf(const char *fmt, ...)
3188{
3189 va_list list;
3190 char msg[512];
3191
3192 va_start(list, fmt);
3193 vsprintf(msg, fmt, list);
3194 va_end(list);
3195
3196 if (log_cb)
3197 log_cb(RETRO_LOG_INFO, "%s", msg);
3198}
3199
3200/* Prints debug-level logs */
3201void SysDLog(const char *fmt, ...)
3202{
3203 va_list list;
3204 char msg[512];
3205
3206 va_start(list, fmt);
3207 vsprintf(msg, fmt, list);
3208 va_end(list);
3209
3210 if (log_cb)
3211 log_cb(RETRO_LOG_DEBUG, "%s", msg);
3212}
3213
3214// vim:sw=3:ts=3:expandtab
ARM optimized PCSX fork