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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
521/* sound calls */
522static void snd_feed(void *buf, int bytes)
523{
524 if (audio_batch_cb != NULL)
525 audio_batch_cb(buf, bytes / 4);
526}
527
528void out_register_libretro(struct out_driver *drv)
529{
530 drv->name = "libretro";
531 drv->init = snd_init;
532 drv->finish = snd_finish;
533 drv->busy = snd_busy;
534 drv->feed = snd_feed;
535}
536
537#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
538#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
539#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
540#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
541#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
542#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
543
544static char *get_pse_pad_label[] = {
545 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
546};
547
548static const struct retro_controller_description pads[7] =
549{
550 { "standard", RETRO_DEVICE_JOYPAD },
551 { "analog", RETRO_DEVICE_PSE_ANALOG },
552 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
553 { "negcon", RETRO_DEVICE_PSE_NEGCON },
554 { "guncon", RETRO_DEVICE_PSE_GUNCON },
555 { "mouse", RETRO_DEVICE_PSE_MOUSE },
556 { NULL, 0 },
557};
558
559static const struct retro_controller_info ports[9] =
560{
561 { pads, 7 },
562 { pads, 7 },
563 { pads, 7 },
564 { pads, 7 },
565 { pads, 7 },
566 { pads, 7 },
567 { pads, 7 },
568 { pads, 7 },
569 { NULL, 0 },
570};
571
572/* libretro */
573
574static bool update_option_visibility(void)
575{
576 struct retro_variable var = {0};
577 struct retro_core_option_display option_display = {0};
578 bool updated = false;
579 unsigned i;
580
581 /* If frontend supports core option categories
582 * then show/hide core option entries are ignored
583 * and no options should be hidden */
584 if (libretro_supports_option_categories)
585 return false;
586
587 var.key = "pcsx_rearmed_show_input_settings";
588 var.value = NULL;
589
590 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
591 {
592 bool show_input_settings_prev =
593 show_input_settings;
594
595 show_input_settings = true;
596 if (strcmp(var.value, "disabled") == 0)
597 show_input_settings = false;
598
599 if (show_input_settings !=
600 show_input_settings_prev)
601 {
602 char input_option[][50] = {
603 "pcsx_rearmed_analog_axis_modifier",
604 "pcsx_rearmed_vibration",
605 "pcsx_rearmed_multitap",
606 "pcsx_rearmed_negcon_deadzone",
607 "pcsx_rearmed_negcon_response",
608 "pcsx_rearmed_input_sensitivity",
609 "pcsx_rearmed_gunconadjustx",
610 "pcsx_rearmed_gunconadjusty",
611 "pcsx_rearmed_gunconadjustratiox",
612 "pcsx_rearmed_gunconadjustratioy"
613 };
614
615 option_display.visible = show_input_settings;
616
617 for (i = 0;
618 i < (sizeof(input_option) /
619 sizeof(input_option[0]));
620 i++)
621 {
622 option_display.key = input_option[i];
623 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
624 &option_display);
625 }
626
627 updated = true;
628 }
629 }
630#ifdef GPU_PEOPS
631 var.key = "pcsx_rearmed_show_gpu_peops_settings";
632 var.value = NULL;
633
634 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
635 {
636 bool show_advanced_gpu_peops_settings_prev =
637 show_advanced_gpu_peops_settings;
638
639 show_advanced_gpu_peops_settings = true;
640 if (strcmp(var.value, "disabled") == 0)
641 show_advanced_gpu_peops_settings = false;
642
643 if (show_advanced_gpu_peops_settings !=
644 show_advanced_gpu_peops_settings_prev)
645 {
646 unsigned i;
647 struct retro_core_option_display option_display;
648 char gpu_peops_option[][45] = {
649 "pcsx_rearmed_gpu_peops_odd_even_bit",
650 "pcsx_rearmed_gpu_peops_expand_screen_width",
651 "pcsx_rearmed_gpu_peops_ignore_brightness",
652 "pcsx_rearmed_gpu_peops_disable_coord_check",
653 "pcsx_rearmed_gpu_peops_lazy_screen_update",
654 "pcsx_rearmed_gpu_peops_repeated_triangles",
655 "pcsx_rearmed_gpu_peops_quads_with_triangles",
656 "pcsx_rearmed_gpu_peops_fake_busy_state"
657 };
658
659 option_display.visible = show_advanced_gpu_peops_settings;
660
661 for (i = 0;
662 i < (sizeof(gpu_peops_option) /
663 sizeof(gpu_peops_option[0]));
664 i++)
665 {
666 option_display.key = gpu_peops_option[i];
667 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
668 &option_display);
669 }
670
671 updated = true;
672 }
673 }
674#endif
675#ifdef GPU_UNAI
676 var.key = "pcsx_rearmed_show_gpu_unai_settings";
677 var.value = NULL;
678
679 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
680 {
681 bool show_advanced_gpu_unai_settings_prev =
682 show_advanced_gpu_unai_settings;
683
684 show_advanced_gpu_unai_settings = true;
685 if (strcmp(var.value, "disabled") == 0)
686 show_advanced_gpu_unai_settings = false;
687
688 if (show_advanced_gpu_unai_settings !=
689 show_advanced_gpu_unai_settings_prev)
690 {
691 unsigned i;
692 struct retro_core_option_display option_display;
693 char gpu_unai_option[][40] = {
694 "pcsx_rearmed_gpu_unai_blending",
695 "pcsx_rearmed_gpu_unai_lighting",
696 "pcsx_rearmed_gpu_unai_fast_lighting",
697 "pcsx_rearmed_gpu_unai_scale_hires",
698 };
699
700 option_display.visible = show_advanced_gpu_unai_settings;
701
702 for (i = 0;
703 i < (sizeof(gpu_unai_option) /
704 sizeof(gpu_unai_option[0]));
705 i++)
706 {
707 option_display.key = gpu_unai_option[i];
708 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
709 &option_display);
710 }
711
712 updated = true;
713 }
714 }
715#endif
716 return updated;
717}
718
719void retro_set_environment(retro_environment_t cb)
720{
721 bool option_categories = false;
722#ifdef USE_LIBRETRO_VFS
723 struct retro_vfs_interface_info vfs_iface_info;
724#endif
725
726 environ_cb = cb;
727
728 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
729 log_cb = logging.log;
730
731 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
732
733 /* Set core options
734 * An annoyance: retro_set_environment() can be called
735 * multiple times, and depending upon the current frontend
736 * state various environment callbacks may be disabled.
737 * This means the reported 'categories_supported' status
738 * may change on subsequent iterations. We therefore have
739 * to record whether 'categories_supported' is true on any
740 * iteration, and latch the result */
741 libretro_set_core_options(environ_cb, &option_categories);
742 libretro_supports_option_categories |= option_categories;
743
744 /* If frontend supports core option categories,
745 * any show/hide core option entries are unused
746 * and should be hidden */
747 if (libretro_supports_option_categories)
748 {
749 struct retro_core_option_display option_display;
750 option_display.visible = false;
751
752 option_display.key = "pcsx_rearmed_show_input_settings";
753 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
754 &option_display);
755
756#ifdef GPU_PEOPS
757 option_display.key = "pcsx_rearmed_show_gpu_peops_settings";
758 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
759 &option_display);
760#endif
761#ifdef GPU_UNAI
762 option_display.key = "pcsx_rearmed_show_gpu_unai_settings";
763 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
764 &option_display);
765#endif
766 }
767 /* If frontend does not support core option
768 * categories, core options may be shown/hidden
769 * at runtime. In this case, register 'update
770 * display' callback, so frontend can update
771 * core options menu without calling retro_run() */
772 else
773 {
774 struct retro_core_options_update_display_callback update_display_cb;
775 update_display_cb.callback = update_option_visibility;
776
777 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK,
778 &update_display_cb);
779 }
780
781#ifdef USE_LIBRETRO_VFS
782 vfs_iface_info.required_interface_version = 1;
783 vfs_iface_info.iface = NULL;
784 if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
785 filestream_vfs_init(&vfs_iface_info);
786#endif
787}
788
789void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
790void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
791void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
792void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
793void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
794
795unsigned retro_api_version(void)
796{
797 return RETRO_API_VERSION;
798}
799
800static void update_multitap(void)
801{
802 struct retro_variable var = { 0 };
803
804 multitap1 = 0;
805 multitap2 = 0;
806
807 var.value = NULL;
808 var.key = "pcsx_rearmed_multitap";
809 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
810 {
811 if (strcmp(var.value, "port 1") == 0)
812 multitap1 = 1;
813 else if (strcmp(var.value, "port 2") == 0)
814 multitap2 = 1;
815 else if (strcmp(var.value, "ports 1 and 2") == 0)
816 {
817 multitap1 = 1;
818 multitap2 = 1;
819 }
820 }
821}
822
823void retro_set_controller_port_device(unsigned port, unsigned device)
824{
825 if (port >= PORTS_NUMBER)
826 return;
827
828 switch (device)
829 {
830 case RETRO_DEVICE_JOYPAD:
831 case RETRO_DEVICE_PSE_STANDARD:
832 in_type[port] = PSE_PAD_TYPE_STANDARD;
833 break;
834 case RETRO_DEVICE_PSE_ANALOG:
835 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
836 break;
837 case RETRO_DEVICE_PSE_DUALSHOCK:
838 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
839 break;
840 case RETRO_DEVICE_PSE_MOUSE:
841 in_type[port] = PSE_PAD_TYPE_MOUSE;
842 break;
843 case RETRO_DEVICE_PSE_NEGCON:
844 in_type[port] = PSE_PAD_TYPE_NEGCON;
845 break;
846 case RETRO_DEVICE_PSE_GUNCON:
847 in_type[port] = PSE_PAD_TYPE_GUNCON;
848 break;
849 case RETRO_DEVICE_NONE:
850 default:
851 in_type[port] = PSE_PAD_TYPE_NONE;
852 break;
853 }
854
855 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
856}
857
858void retro_get_system_info(struct retro_system_info *info)
859{
860#ifndef GIT_VERSION
861#define GIT_VERSION ""
862#endif
863 memset(info, 0, sizeof(*info));
864 info->library_name = "PCSX-ReARMed";
865 info->library_version = "r23l" GIT_VERSION;
866 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd|iso|exe";
867 info->need_fullpath = true;
868}
869
870void retro_get_system_av_info(struct retro_system_av_info *info)
871{
872 unsigned geom_height = vout_height > 0 ? vout_height : 240;
873 unsigned geom_width = vout_width > 0 ? vout_width : 320;
874
875 memset(info, 0, sizeof(*info));
876 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
877 info->timing.sample_rate = 44100.0;
878 info->geometry.base_width = geom_width;
879 info->geometry.base_height = geom_height;
880 info->geometry.max_width = VOUT_MAX_WIDTH;
881 info->geometry.max_height = VOUT_MAX_HEIGHT;
882 info->geometry.aspect_ratio = 4.0 / 3.0;
883}
884
885/* savestates */
886size_t retro_serialize_size(void)
887{
888 // it's currently 4380651-4397047 bytes,
889 // but have some reserved for future
890 return 0x440000;
891}
892
893struct save_fp
894{
895 char *buf;
896 size_t pos;
897 int is_write;
898};
899
900static void *save_open(const char *name, const char *mode)
901{
902 struct save_fp *fp;
903
904 if (name == NULL || mode == NULL)
905 return NULL;
906
907 fp = malloc(sizeof(*fp));
908 if (fp == NULL)
909 return NULL;
910
911 fp->buf = (char *)name;
912 fp->pos = 0;
913 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
914
915 return fp;
916}
917
918static int save_read(void *file, void *buf, u32 len)
919{
920 struct save_fp *fp = file;
921 if (fp == NULL || buf == NULL)
922 return -1;
923
924 memcpy(buf, fp->buf + fp->pos, len);
925 fp->pos += len;
926 return len;
927}
928
929static int save_write(void *file, const void *buf, u32 len)
930{
931 struct save_fp *fp = file;
932 if (fp == NULL || buf == NULL)
933 return -1;
934
935 memcpy(fp->buf + fp->pos, buf, len);
936 fp->pos += len;
937 return len;
938}
939
940static long save_seek(void *file, long offs, int whence)
941{
942 struct save_fp *fp = file;
943 if (fp == NULL)
944 return -1;
945
946 switch (whence)
947 {
948 case SEEK_CUR:
949 fp->pos += offs;
950 return fp->pos;
951 case SEEK_SET:
952 fp->pos = offs;
953 return fp->pos;
954 default:
955 return -1;
956 }
957}
958
959static void save_close(void *file)
960{
961 struct save_fp *fp = file;
962 size_t r_size = retro_serialize_size();
963 if (fp == NULL)
964 return;
965
966 if (fp->pos > r_size)
967 SysPrintf("ERROR: save buffer overflow detected\n");
968 else if (fp->is_write && fp->pos < r_size)
969 // make sure we don't save trash in leftover space
970 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
971 free(fp);
972}
973
974bool retro_serialize(void *data, size_t size)
975{
976 int ret = SaveState(data);
977 return ret == 0 ? true : false;
978}
979
980bool retro_unserialize(const void *data, size_t size)
981{
982 int ret = LoadState(data);
983 return ret == 0 ? true : false;
984}
985
986/* cheats */
987void retro_cheat_reset(void)
988{
989 ClearAllCheats();
990}
991
992void retro_cheat_set(unsigned index, bool enabled, const char *code)
993{
994 char buf[256];
995 int ret;
996
997 // cheat funcs are destructive, need a copy..
998 strncpy(buf, code, sizeof(buf));
999 buf[sizeof(buf) - 1] = 0;
1000
1001 //Prepare buffered cheat for PCSX's AddCheat fucntion.
1002 int cursor = 0;
1003 int nonhexdec = 0;
1004 while (buf[cursor])
1005 {
1006 if (!(ISHEXDEC))
1007 {
1008 if (++nonhexdec % 2)
1009 {
1010 buf[cursor] = ' ';
1011 }
1012 else
1013 {
1014 buf[cursor] = '\n';
1015 }
1016 }
1017 cursor++;
1018 }
1019
1020 if (index < NumCheats)
1021 ret = EditCheat(index, "", buf);
1022 else
1023 ret = AddCheat("", buf);
1024
1025 if (ret != 0)
1026 SysPrintf("Failed to set cheat %#u\n", index);
1027 else if (index < NumCheats)
1028 Cheats[index].Enabled = enabled;
1029}
1030
1031// just in case, maybe a win-rt port in the future?
1032#ifdef _WIN32
1033#define SLASH '\\'
1034#else
1035#define SLASH '/'
1036#endif
1037
1038#ifndef PATH_MAX
1039#define PATH_MAX 4096
1040#endif
1041
1042/* multidisk support */
1043static unsigned int disk_initial_index;
1044static char disk_initial_path[PATH_MAX];
1045static bool disk_ejected;
1046static unsigned int disk_current_index;
1047static unsigned int disk_count;
1048static struct disks_state
1049{
1050 char *fname;
1051 char *flabel;
1052 int internal_index; // for multidisk eboots
1053} disks[8];
1054
1055static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
1056{
1057 const char *base = NULL;
1058
1059 if (!disk_path || (*disk_path == '\0'))
1060 return;
1061
1062 base = strrchr(disk_path, SLASH);
1063 if (!base)
1064 base = disk_path;
1065
1066 if (*base == SLASH)
1067 base++;
1068
1069 strncpy(disk_label, base, len - 1);
1070 disk_label[len - 1] = '\0';
1071
1072 char *ext = strrchr(disk_label, '.');
1073 if (ext)
1074 *ext = '\0';
1075}
1076
1077static void disk_init(void)
1078{
1079 size_t i;
1080
1081 disk_ejected = false;
1082 disk_current_index = 0;
1083 disk_count = 0;
1084
1085 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
1086 {
1087 if (disks[i].fname != NULL)
1088 {
1089 free(disks[i].fname);
1090 disks[i].fname = NULL;
1091 }
1092 if (disks[i].flabel != NULL)
1093 {
1094 free(disks[i].flabel);
1095 disks[i].flabel = NULL;
1096 }
1097 disks[i].internal_index = 0;
1098 }
1099}
1100
1101static bool disk_set_eject_state(bool ejected)
1102{
1103 // weird PCSX API..
1104 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
1105 LidInterrupt();
1106
1107 disk_ejected = ejected;
1108 return true;
1109}
1110
1111static bool disk_get_eject_state(void)
1112{
1113 /* can't be controlled by emulated software */
1114 return disk_ejected;
1115}
1116
1117static unsigned int disk_get_image_index(void)
1118{
1119 return disk_current_index;
1120}
1121
1122static bool disk_set_image_index(unsigned int index)
1123{
1124 if (index >= sizeof(disks) / sizeof(disks[0]))
1125 return false;
1126
1127 CdromId[0] = '\0';
1128 CdromLabel[0] = '\0';
1129
1130 if (disks[index].fname == NULL)
1131 {
1132 SysPrintf("missing disk #%u\n", index);
1133 CDR_shutdown();
1134
1135 // RetroArch specifies "no disk" with index == count,
1136 // so don't fail here..
1137 disk_current_index = index;
1138 return true;
1139 }
1140
1141 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
1142 disks[index].fname, disks[index].internal_index);
1143
1144 cdrIsoMultidiskSelect = disks[index].internal_index;
1145 set_cd_image(disks[index].fname);
1146 if (ReloadCdromPlugin() < 0)
1147 {
1148 SysPrintf("failed to load cdr plugin\n");
1149 return false;
1150 }
1151 if (CDR_open() < 0)
1152 {
1153 SysPrintf("failed to open cdr plugin\n");
1154 return false;
1155 }
1156
1157 if (!disk_ejected)
1158 {
1159 SetCdOpenCaseTime(time(NULL) + 2);
1160 LidInterrupt();
1161 }
1162
1163 disk_current_index = index;
1164 return true;
1165}
1166
1167static unsigned int disk_get_num_images(void)
1168{
1169 return disk_count;
1170}
1171
1172static bool disk_replace_image_index(unsigned index,
1173 const struct retro_game_info *info)
1174{
1175 char *old_fname = NULL;
1176 char *old_flabel = NULL;
1177 bool ret = true;
1178
1179 if (index >= sizeof(disks) / sizeof(disks[0]))
1180 return false;
1181
1182 old_fname = disks[index].fname;
1183 old_flabel = disks[index].flabel;
1184
1185 disks[index].fname = NULL;
1186 disks[index].flabel = NULL;
1187 disks[index].internal_index = 0;
1188
1189 if (info != NULL)
1190 {
1191 char disk_label[PATH_MAX];
1192 disk_label[0] = '\0';
1193
1194 disks[index].fname = strdup(info->path);
1195
1196 get_disk_label(disk_label, info->path, PATH_MAX);
1197 disks[index].flabel = strdup(disk_label);
1198
1199 if (index == disk_current_index)
1200 ret = disk_set_image_index(index);
1201 }
1202
1203 if (old_fname != NULL)
1204 free(old_fname);
1205
1206 if (old_flabel != NULL)
1207 free(old_flabel);
1208
1209 return ret;
1210}
1211
1212static bool disk_add_image_index(void)
1213{
1214 if (disk_count >= 8)
1215 return false;
1216
1217 disk_count++;
1218 return true;
1219}
1220
1221static bool disk_set_initial_image(unsigned index, const char *path)
1222{
1223 if (index >= sizeof(disks) / sizeof(disks[0]))
1224 return false;
1225
1226 if (!path || (*path == '\0'))
1227 return false;
1228
1229 disk_initial_index = index;
1230
1231 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1232 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1233
1234 return true;
1235}
1236
1237static bool disk_get_image_path(unsigned index, char *path, size_t len)
1238{
1239 const char *fname = NULL;
1240
1241 if (len < 1)
1242 return false;
1243
1244 if (index >= sizeof(disks) / sizeof(disks[0]))
1245 return false;
1246
1247 fname = disks[index].fname;
1248
1249 if (!fname || (*fname == '\0'))
1250 return false;
1251
1252 strncpy(path, fname, len - 1);
1253 path[len - 1] = '\0';
1254
1255 return true;
1256}
1257
1258static bool disk_get_image_label(unsigned index, char *label, size_t len)
1259{
1260 const char *flabel = NULL;
1261
1262 if (len < 1)
1263 return false;
1264
1265 if (index >= sizeof(disks) / sizeof(disks[0]))
1266 return false;
1267
1268 flabel = disks[index].flabel;
1269
1270 if (!flabel || (*flabel == '\0'))
1271 return false;
1272
1273 strncpy(label, flabel, len - 1);
1274 label[len - 1] = '\0';
1275
1276 return true;
1277}
1278
1279static struct retro_disk_control_callback disk_control = {
1280 .set_eject_state = disk_set_eject_state,
1281 .get_eject_state = disk_get_eject_state,
1282 .get_image_index = disk_get_image_index,
1283 .set_image_index = disk_set_image_index,
1284 .get_num_images = disk_get_num_images,
1285 .replace_image_index = disk_replace_image_index,
1286 .add_image_index = disk_add_image_index,
1287};
1288
1289static struct retro_disk_control_ext_callback disk_control_ext = {
1290 .set_eject_state = disk_set_eject_state,
1291 .get_eject_state = disk_get_eject_state,
1292 .get_image_index = disk_get_image_index,
1293 .set_image_index = disk_set_image_index,
1294 .get_num_images = disk_get_num_images,
1295 .replace_image_index = disk_replace_image_index,
1296 .add_image_index = disk_add_image_index,
1297 .set_initial_image = disk_set_initial_image,
1298 .get_image_path = disk_get_image_path,
1299 .get_image_label = disk_get_image_label,
1300};
1301
1302static char base_dir[1024];
1303
1304static bool read_m3u(const char *file)
1305{
1306 char line[1024];
1307 char name[PATH_MAX];
1308 FILE *fp = fopen(file, "r");
1309 if (!fp)
1310 return false;
1311
1312 while (fgets(line, sizeof(line), fp) && disk_count < sizeof(disks) / sizeof(disks[0]))
1313 {
1314 if (line[0] == '#')
1315 continue;
1316 char *carrige_return = strchr(line, '\r');
1317 if (carrige_return)
1318 *carrige_return = '\0';
1319 char *newline = strchr(line, '\n');
1320 if (newline)
1321 *newline = '\0';
1322
1323 if (line[0] != '\0')
1324 {
1325 char disk_label[PATH_MAX];
1326 disk_label[0] = '\0';
1327
1328 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1329 disks[disk_count].fname = strdup(name);
1330
1331 get_disk_label(disk_label, name, PATH_MAX);
1332 disks[disk_count].flabel = strdup(disk_label);
1333
1334 disk_count++;
1335 }
1336 }
1337
1338 fclose(fp);
1339 return (disk_count != 0);
1340}
1341
1342static void extract_directory(char *buf, const char *path, size_t size)
1343{
1344 char *base;
1345 strncpy(buf, path, size - 1);
1346 buf[size - 1] = '\0';
1347
1348 base = strrchr(buf, '/');
1349 if (!base)
1350 base = strrchr(buf, '\\');
1351
1352 if (base)
1353 *base = '\0';
1354 else
1355 {
1356 buf[0] = '.';
1357 buf[1] = '\0';
1358 }
1359}
1360
1361#if defined(__QNX__) || defined(_WIN32)
1362/* Blackberry QNX doesn't have strcasestr */
1363
1364/*
1365 * Find the first occurrence of find in s, ignore case.
1366 */
1367char *
1368strcasestr(const char *s, const char *find)
1369{
1370 char c, sc;
1371 size_t len;
1372
1373 if ((c = *find++) != 0)
1374 {
1375 c = tolower((unsigned char)c);
1376 len = strlen(find);
1377 do
1378 {
1379 do
1380 {
1381 if ((sc = *s++) == 0)
1382 return (NULL);
1383 } while ((char)tolower((unsigned char)sc) != c);
1384 } while (strncasecmp(s, find, len) != 0);
1385 s--;
1386 }
1387 return ((char *)s);
1388}
1389#endif
1390
1391static void set_retro_memmap(void)
1392{
1393#ifndef NDEBUG
1394 struct retro_memory_map retromap = { 0 };
1395 struct retro_memory_descriptor mmap = {
1396 0, psxM, 0, 0, 0, 0, 0x200000
1397 };
1398
1399 retromap.descriptors = &mmap;
1400 retromap.num_descriptors = 1;
1401
1402 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1403#endif
1404}
1405
1406static void retro_audio_buff_status_cb(
1407 bool active, unsigned occupancy, bool underrun_likely)
1408{
1409 retro_audio_buff_active = active;
1410 retro_audio_buff_occupancy = occupancy;
1411 retro_audio_buff_underrun = underrun_likely;
1412}
1413
1414static void retro_set_audio_buff_status_cb(void)
1415{
1416 if (frameskip_type == FRAMESKIP_NONE)
1417 {
1418 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1419 retro_audio_latency = 0;
1420 }
1421 else
1422 {
1423 bool calculate_audio_latency = true;
1424
1425 if (frameskip_type == FRAMESKIP_FIXED_INTERVAL)
1426 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1427 else
1428 {
1429 struct retro_audio_buffer_status_callback buf_status_cb;
1430 buf_status_cb.callback = retro_audio_buff_status_cb;
1431 if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
1432 &buf_status_cb))
1433 {
1434 retro_audio_buff_active = false;
1435 retro_audio_buff_occupancy = 0;
1436 retro_audio_buff_underrun = false;
1437 retro_audio_latency = 0;
1438 calculate_audio_latency = false;
1439 }
1440 }
1441
1442 if (calculate_audio_latency)
1443 {
1444 /* Frameskip is enabled - increase frontend
1445 * audio latency to minimise potential
1446 * buffer underruns */
1447 uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
1448
1449 /* Set latency to 6x current frame time... */
1450 retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
1451
1452 /* ...then round up to nearest multiple of 32 */
1453 retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
1454 }
1455 }
1456
1457 update_audio_latency = true;
1458 frameskip_counter = 0;
1459}
1460
1461static void update_variables(bool in_flight);
1462bool retro_load_game(const struct retro_game_info *info)
1463{
1464 size_t i;
1465 unsigned int cd_index = 0;
1466 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1467 bool is_exe = (strcasestr(info->path, ".exe") != NULL);
1468 int ret;
1469
1470 struct retro_input_descriptor desc[] = {
1471#define JOYP(port) \
1472 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1473 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1474 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1475 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1476 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1477 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1478 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1479 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1480 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1481 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1482 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1483 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1484 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1485 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1486 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1487 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1488 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1489 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1490 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1491 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" }, \
1492 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER, "Gun Trigger" }, \
1493 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD, "Gun Reload" }, \
1494 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A, "Gun Aux A" }, \
1495 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B, "Gun Aux B" },
1496
1497 JOYP(0)
1498 JOYP(1)
1499 JOYP(2)
1500 JOYP(3)
1501 JOYP(4)
1502 JOYP(5)
1503 JOYP(6)
1504 JOYP(7)
1505
1506 { 0 },
1507 };
1508
1509 frame_count = 0;
1510
1511 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1512
1513#ifdef FRONTEND_SUPPORTS_RGB565
1514 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1515 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1516 {
1517 SysPrintf("RGB565 supported, using it\n");
1518 }
1519#endif
1520
1521 if (info == NULL || info->path == NULL)
1522 {
1523 SysPrintf("info->path required\n");
1524 return false;
1525 }
1526
1527 update_variables(false);
1528
1529 if (plugins_opened)
1530 {
1531 ClosePlugins();
1532 plugins_opened = 0;
1533 }
1534
1535 disk_init();
1536
1537 extract_directory(base_dir, info->path, sizeof(base_dir));
1538
1539 if (is_m3u)
1540 {
1541 if (!read_m3u(info->path))
1542 {
1543 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1544 return false;
1545 }
1546 }
1547 else
1548 {
1549 char disk_label[PATH_MAX];
1550 disk_label[0] = '\0';
1551
1552 disk_count = 1;
1553 disks[0].fname = strdup(info->path);
1554
1555 get_disk_label(disk_label, info->path, PATH_MAX);
1556 disks[0].flabel = strdup(disk_label);
1557 }
1558
1559 /* If this is an M3U file, attempt to set the
1560 * initial disk image */
1561 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1562 {
1563 const char *fname = disks[disk_initial_index].fname;
1564
1565 if (fname && (*fname != '\0'))
1566 if (strcmp(disk_initial_path, fname) == 0)
1567 cd_index = disk_initial_index;
1568 }
1569
1570 set_cd_image(disks[cd_index].fname);
1571 disk_current_index = cd_index;
1572
1573 /* have to reload after set_cd_image for correct cdr plugin */
1574 if (LoadPlugins() == -1)
1575 {
1576 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1577 return false;
1578 }
1579
1580 plugins_opened = 1;
1581 NetOpened = 0;
1582
1583 if (OpenPlugins() == -1)
1584 {
1585 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1586 return false;
1587 }
1588
1589 /* Handle multi-disk images (i.e. PBP)
1590 * > Cannot do this until after OpenPlugins() is
1591 * called (since this sets the value of
1592 * cdrIsoMultidiskCount) */
1593 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1594 {
1595 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1596
1597 /* Small annoyance: We need to change the label
1598 * of disk 0, so have to clear existing entries */
1599 if (disks[0].fname != NULL)
1600 free(disks[0].fname);
1601 disks[0].fname = NULL;
1602
1603 if (disks[0].flabel != NULL)
1604 free(disks[0].flabel);
1605 disks[0].flabel = NULL;
1606
1607 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1608 {
1609 char disk_name[PATH_MAX - 16] = { 0 };
1610 char disk_label[PATH_MAX] = { 0 };
1611
1612 disks[i].fname = strdup(info->path);
1613
1614 get_disk_label(disk_name, info->path, sizeof(disk_name));
1615 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1616 disks[i].flabel = strdup(disk_label);
1617
1618 disks[i].internal_index = i;
1619 }
1620
1621 /* This is not an M3U file, so initial disk
1622 * image has not yet been set - attempt to
1623 * do so now */
1624 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1625 {
1626 const char *fname = disks[disk_initial_index].fname;
1627
1628 if (fname && (*fname != '\0'))
1629 if (strcmp(disk_initial_path, fname) == 0)
1630 cd_index = disk_initial_index;
1631 }
1632
1633 if (cd_index > 0)
1634 {
1635 CdromId[0] = '\0';
1636 CdromLabel[0] = '\0';
1637
1638 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1639 disk_current_index = cd_index;
1640 set_cd_image(disks[cd_index].fname);
1641
1642 if (ReloadCdromPlugin() < 0)
1643 {
1644 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1645 return false;
1646 }
1647 if (CDR_open() < 0)
1648 {
1649 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1650 return false;
1651 }
1652 }
1653 }
1654
1655 /* set ports to use "standard controller" initially */
1656 for (i = 0; i < 8; ++i)
1657 in_type[i] = PSE_PAD_TYPE_STANDARD;
1658
1659 plugin_call_rearmed_cbs();
1660 /* dfinput_activate(); */
1661
1662 if (!is_exe && CheckCdrom() == -1)
1663 {
1664 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1665 return false;
1666 }
1667
1668 SysReset();
1669
1670 if (is_exe)
1671 ret = Load(info->path);
1672 else
1673 ret = LoadCdrom();
1674 if (ret != 0)
1675 {
1676 log_cb(RETRO_LOG_INFO, "could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
1677 return false;
1678 }
1679 emu_on_new_cd(0);
1680
1681 set_retro_memmap();
1682 retro_set_audio_buff_status_cb();
1683
1684 return true;
1685}
1686
1687unsigned retro_get_region(void)
1688{
1689 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1690}
1691
1692void *retro_get_memory_data(unsigned id)
1693{
1694 if (id == RETRO_MEMORY_SAVE_RAM)
1695 return Mcd1Data;
1696 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1697 return psxM;
1698 else
1699 return NULL;
1700}
1701
1702size_t retro_get_memory_size(unsigned id)
1703{
1704 if (id == RETRO_MEMORY_SAVE_RAM)
1705 return MCD_SIZE;
1706 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1707 return 0x200000;
1708 else
1709 return 0;
1710}
1711
1712void retro_reset(void)
1713{
1714 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1715 rebootemu = 1;
1716 //SysReset();
1717}
1718
1719static const unsigned short retro_psx_map[] = {
1720 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1721 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1722 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1723 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1724 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1725 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1726 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1727 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1728 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1729 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1730 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1731 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1732 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1733 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1734 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1735 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1736};
1737#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1738
1739//Percentage distance of screen to adjust
1740static int GunconAdjustX = 0;
1741static int GunconAdjustY = 0;
1742
1743//Used when out by a percentage
1744static float GunconAdjustRatioX = 1;
1745static float GunconAdjustRatioY = 1;
1746
1747static void update_variables(bool in_flight)
1748{
1749 struct retro_variable var;
1750#ifdef GPU_PEOPS
1751 // Always enable GPU_PEOPS_OLD_FRAME_SKIP flag
1752 // (this is set in standalone, with no option
1753 // to change it)
1754 int gpu_peops_fix = GPU_PEOPS_OLD_FRAME_SKIP;
1755#endif
1756 frameskip_type_t prev_frameskip_type;
1757
1758 var.value = NULL;
1759 var.key = "pcsx_rearmed_frameskip_type";
1760
1761 prev_frameskip_type = frameskip_type;
1762 frameskip_type = FRAMESKIP_NONE;
1763 pl_rearmed_cbs.frameskip = 0;
1764
1765 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1766 {
1767 if (strcmp(var.value, "auto") == 0)
1768 frameskip_type = FRAMESKIP_AUTO;
1769 if (strcmp(var.value, "auto_threshold") == 0)
1770 frameskip_type = FRAMESKIP_AUTO_THRESHOLD;
1771 if (strcmp(var.value, "fixed_interval") == 0)
1772 frameskip_type = FRAMESKIP_FIXED_INTERVAL;
1773 }
1774
1775 if (frameskip_type != 0)
1776 pl_rearmed_cbs.frameskip = -1;
1777
1778 var.value = NULL;
1779 var.key = "pcsx_rearmed_frameskip_threshold";
1780 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1781 {
1782 frameskip_threshold = strtol(var.value, NULL, 10);
1783 }
1784
1785 var.value = NULL;
1786 var.key = "pcsx_rearmed_frameskip_interval";
1787 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1788 {
1789 frameskip_interval = strtol(var.value, NULL, 10);
1790 }
1791
1792 var.value = NULL;
1793 var.key = "pcsx_rearmed_region";
1794 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1795 {
1796 Config.PsxAuto = 0;
1797 if (strcmp(var.value, "auto") == 0)
1798 Config.PsxAuto = 1;
1799 else if (strcmp(var.value, "NTSC") == 0)
1800 Config.PsxType = 0;
1801 else if (strcmp(var.value, "PAL") == 0)
1802 Config.PsxType = 1;
1803 }
1804
1805 update_multitap();
1806
1807 var.value = NULL;
1808 var.key = "pcsx_rearmed_negcon_deadzone";
1809 negcon_deadzone = 0;
1810 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1811 {
1812 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1813 }
1814
1815 var.value = NULL;
1816 var.key = "pcsx_rearmed_negcon_response";
1817 negcon_linearity = 1;
1818 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1819 {
1820 if (strcmp(var.value, "quadratic") == 0)
1821 {
1822 negcon_linearity = 2;
1823 }
1824 else if (strcmp(var.value, "cubic") == 0)
1825 {
1826 negcon_linearity = 3;
1827 }
1828 }
1829
1830 var.value = NULL;
1831 var.key = "pcsx_rearmed_analog_axis_modifier";
1832 axis_bounds_modifier = true;
1833 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1834 {
1835 if (strcmp(var.value, "square") == 0)
1836 {
1837 axis_bounds_modifier = true;
1838 }
1839 else if (strcmp(var.value, "circle") == 0)
1840 {
1841 axis_bounds_modifier = false;
1842 }
1843 }
1844
1845 var.value = NULL;
1846 var.key = "pcsx_rearmed_vibration";
1847
1848 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1849 {
1850 if (strcmp(var.value, "disabled") == 0)
1851 in_enable_vibration = 0;
1852 else if (strcmp(var.value, "enabled") == 0)
1853 in_enable_vibration = 1;
1854 }
1855
1856 var.value = NULL;
1857 var.key = "pcsx_rearmed_dithering";
1858
1859 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1860 {
1861 if (strcmp(var.value, "disabled") == 0)
1862 {
1863 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1864 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1865 pl_rearmed_cbs.gpu_unai.dithering = 0;
1866#ifdef GPU_NEON
1867 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1868#endif
1869 }
1870 else if (strcmp(var.value, "enabled") == 0)
1871 {
1872 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1873 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1874 pl_rearmed_cbs.gpu_unai.dithering = 1;
1875#ifdef GPU_NEON
1876 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1877#endif
1878 }
1879 }
1880
1881#ifdef GPU_NEON
1882 var.value = NULL;
1883 var.key = "pcsx_rearmed_neon_interlace_enable_v2";
1884
1885 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1886 {
1887 if (strcmp(var.value, "disabled") == 0)
1888 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1889 else if (strcmp(var.value, "enabled") == 0)
1890 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1891 else // auto
1892 pl_rearmed_cbs.gpu_neon.allow_interlace = 2;
1893 }
1894
1895 var.value = NULL;
1896 var.key = "pcsx_rearmed_neon_enhancement_enable";
1897
1898 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1899 {
1900 if (strcmp(var.value, "disabled") == 0)
1901 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1902 else if (strcmp(var.value, "enabled") == 0)
1903 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1904 }
1905
1906 var.value = NULL;
1907 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1908
1909 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1910 {
1911 if (strcmp(var.value, "disabled") == 0)
1912 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1913 else if (strcmp(var.value, "enabled") == 0)
1914 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1915 }
1916#endif
1917
1918 var.value = NULL;
1919 var.key = "pcsx_rearmed_duping_enable";
1920
1921 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1922 {
1923 if (strcmp(var.value, "disabled") == 0)
1924 duping_enable = false;
1925 else if (strcmp(var.value, "enabled") == 0)
1926 duping_enable = true;
1927 }
1928
1929 var.value = NULL;
1930 var.key = "pcsx_rearmed_display_internal_fps";
1931
1932 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1933 {
1934 if (strcmp(var.value, "disabled") == 0)
1935 display_internal_fps = false;
1936 else if (strcmp(var.value, "enabled") == 0)
1937 display_internal_fps = true;
1938 }
1939
1940 //
1941 // CPU emulation related config
1942#ifndef DRC_DISABLE
1943 var.value = NULL;
1944 var.key = "pcsx_rearmed_drc";
1945
1946 if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
1947 var.value = "enabled";
1948
1949 {
1950 R3000Acpu *prev_cpu = psxCpu;
1951#if defined(LIGHTREC)
1952 bool can_use_dynarec = found_bios;
1953#else
1954 bool can_use_dynarec = 1;
1955#endif
1956
1957#ifdef _3DS
1958 if (!__ctr_svchax)
1959 Config.Cpu = CPU_INTERPRETER;
1960 else
1961#endif
1962 if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
1963 Config.Cpu = CPU_INTERPRETER;
1964 else if (strcmp(var.value, "enabled") == 0)
1965 Config.Cpu = CPU_DYNAREC;
1966
1967 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1968 if (psxCpu != prev_cpu)
1969 {
1970 prev_cpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
1971 prev_cpu->Shutdown();
1972 psxCpu->Init();
1973 psxCpu->Reset();
1974 psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
1975 }
1976 }
1977#endif /* !DRC_DISABLE */
1978
1979 var.value = NULL;
1980 var.key = "pcsx_rearmed_psxclock";
1981 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1982 {
1983 int psxclock = atoi(var.value);
1984 Config.cycle_multiplier = 10000 / psxclock;
1985 }
1986
1987#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
1988 var.value = NULL;
1989 var.key = "pcsx_rearmed_nosmccheck";
1990 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1991 {
1992 if (strcmp(var.value, "enabled") == 0)
1993 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
1994 else
1995 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
1996 }
1997
1998 var.value = NULL;
1999 var.key = "pcsx_rearmed_gteregsunneeded";
2000 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2001 {
2002 if (strcmp(var.value, "enabled") == 0)
2003 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2004 else
2005 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2006 }
2007
2008 var.value = NULL;
2009 var.key = "pcsx_rearmed_nogteflags";
2010 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2011 {
2012 if (strcmp(var.value, "enabled") == 0)
2013 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2014 else
2015 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2016 }
2017
2018 var.value = NULL;
2019 var.key = "pcsx_rearmed_nocompathacks";
2020 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2021 {
2022 if (strcmp(var.value, "enabled") == 0)
2023 new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
2024 else
2025 new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
2026 }
2027#endif /* !DRC_DISABLE && !LIGHTREC */
2028
2029 var.value = NULL;
2030 var.key = "pcsx_rearmed_nostalls";
2031 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2032 {
2033 if (strcmp(var.value, "enabled") == 0)
2034 Config.DisableStalls = 1;
2035 else
2036 Config.DisableStalls = 0;
2037 }
2038
2039 var.value = NULL;
2040 var.key = "pcsx_rearmed_icache_emulation";
2041 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2042 {
2043 if (strcmp(var.value, "disabled") == 0)
2044 Config.icache_emulation = 0;
2045 else if (strcmp(var.value, "enabled") == 0)
2046 Config.icache_emulation = 1;
2047 }
2048
2049 var.value = NULL;
2050 var.key = "pcsx_rearmed_exception_emulation";
2051 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2052 {
2053 if (strcmp(var.value, "enabled") == 0)
2054 Config.PreciseExceptions = 1;
2055 else
2056 Config.PreciseExceptions = 0;
2057 }
2058
2059 psxCpu->ApplyConfig();
2060
2061 // end of CPU emu config
2062 //
2063
2064 var.value = NULL;
2065 var.key = "pcsx_rearmed_spu_reverb";
2066
2067 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2068 {
2069 if (strcmp(var.value, "disabled") == 0)
2070 spu_config.iUseReverb = false;
2071 else if (strcmp(var.value, "enabled") == 0)
2072 spu_config.iUseReverb = true;
2073 }
2074
2075 var.value = NULL;
2076 var.key = "pcsx_rearmed_spu_interpolation";
2077
2078 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2079 {
2080 if (strcmp(var.value, "simple") == 0)
2081 spu_config.iUseInterpolation = 1;
2082 else if (strcmp(var.value, "gaussian") == 0)
2083 spu_config.iUseInterpolation = 2;
2084 else if (strcmp(var.value, "cubic") == 0)
2085 spu_config.iUseInterpolation = 3;
2086 else if (strcmp(var.value, "off") == 0)
2087 spu_config.iUseInterpolation = 0;
2088 }
2089
2090 var.value = NULL;
2091 var.key = "pcsx_rearmed_spu_thread";
2092 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2093 {
2094 if (strcmp(var.value, "enabled") == 0)
2095 spu_config.iUseThread = 1;
2096 else
2097 spu_config.iUseThread = 0;
2098 }
2099
2100 if (P_HAVE_PTHREAD) {
2101 var.value = NULL;
2102 var.key = "pcsx_rearmed_async_cd";
2103 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2104 {
2105 if (strcmp(var.value, "async") == 0)
2106 {
2107 Config.AsyncCD = 1;
2108 Config.CHD_Precache = 0;
2109 }
2110 else if (strcmp(var.value, "sync") == 0)
2111 {
2112 Config.AsyncCD = 0;
2113 Config.CHD_Precache = 0;
2114 }
2115 else if (strcmp(var.value, "precache") == 0)
2116 {
2117 Config.AsyncCD = 0;
2118 Config.CHD_Precache = 1;
2119 }
2120 }
2121 }
2122
2123 var.value = NULL;
2124 var.key = "pcsx_rearmed_noxadecoding";
2125 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2126 {
2127 if (strcmp(var.value, "disabled") == 0)
2128 Config.Xa = 1;
2129 else
2130 Config.Xa = 0;
2131 }
2132
2133 var.value = NULL;
2134 var.key = "pcsx_rearmed_nocdaudio";
2135 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2136 {
2137 if (strcmp(var.value, "disabled") == 0)
2138 Config.Cdda = 1;
2139 else
2140 Config.Cdda = 0;
2141 }
2142
2143 var.value = NULL;
2144 var.key = "pcsx_rearmed_gpu_slow_llists";
2145 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2146 {
2147 if (strcmp(var.value, "disabled") == 0)
2148 Config.GpuListWalking = 0;
2149 else if (strcmp(var.value, "enabled") == 0)
2150 Config.GpuListWalking = 1;
2151 else // auto
2152 Config.GpuListWalking = -1;
2153 }
2154
2155 var.value = NULL;
2156 var.key = "pcsx_rearmed_screen_centering";
2157 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2158 {
2159 if (strcmp(var.value, "game") == 0)
2160 pl_rearmed_cbs.screen_centering_type = 1;
2161 else if (strcmp(var.value, "manual") == 0)
2162 pl_rearmed_cbs.screen_centering_type = 2;
2163 else // auto
2164 pl_rearmed_cbs.screen_centering_type = 0;
2165 }
2166
2167 var.value = NULL;
2168 var.key = "pcsx_rearmed_screen_centering_x";
2169 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2170 {
2171 pl_rearmed_cbs.screen_centering_x = atoi(var.value);
2172 }
2173
2174 var.value = NULL;
2175 var.key = "pcsx_rearmed_screen_centering_y";
2176 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2177 {
2178 pl_rearmed_cbs.screen_centering_y = atoi(var.value);
2179 }
2180
2181#ifdef THREAD_RENDERING
2182 var.key = "pcsx_rearmed_gpu_thread_rendering";
2183 var.value = NULL;
2184
2185 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2186 {
2187 if (strcmp(var.value, "disabled") == 0)
2188 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
2189 else if (strcmp(var.value, "sync") == 0)
2190 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
2191 else if (strcmp(var.value, "async") == 0)
2192 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
2193 }
2194#endif
2195
2196#ifdef GPU_PEOPS
2197 var.value = NULL;
2198 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
2199
2200 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2201 {
2202 if (strcmp(var.value, "enabled") == 0)
2203 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
2204 }
2205
2206 var.value = NULL;
2207 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
2208
2209 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2210 {
2211 if (strcmp(var.value, "enabled") == 0)
2212 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
2213 }
2214
2215 var.value = NULL;
2216 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
2217
2218 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2219 {
2220 if (strcmp(var.value, "enabled") == 0)
2221 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
2222 }
2223
2224 var.value = NULL;
2225 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
2226
2227 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2228 {
2229 if (strcmp(var.value, "enabled") == 0)
2230 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
2231 }
2232
2233 var.value = NULL;
2234 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
2235
2236 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2237 {
2238 if (strcmp(var.value, "enabled") == 0)
2239 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
2240 }
2241
2242 var.value = NULL;
2243 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
2244
2245 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2246 {
2247 if (strcmp(var.value, "enabled") == 0)
2248 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
2249 }
2250
2251 var.value = NULL;
2252 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
2253
2254 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2255 {
2256 if (strcmp(var.value, "enabled") == 0)
2257 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
2258 }
2259
2260 var.value = NULL;
2261 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
2262
2263 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2264 {
2265 if (strcmp(var.value, "enabled") == 0)
2266 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
2267 }
2268
2269 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
2270 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
2271#endif
2272
2273#ifdef GPU_UNAI
2274 /* Note: This used to be an option, but it only works
2275 * (correctly) when running high resolution games
2276 * (480i, 512i) and has been obsoleted by
2277 * pcsx_rearmed_gpu_unai_scale_hires */
2278 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2279 /* Note: This used to be an option, but it has no
2280 * discernable effect and has been obsoleted by
2281 * pcsx_rearmed_gpu_unai_scale_hires */
2282 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2283
2284 var.key = "pcsx_rearmed_gpu_unai_lighting";
2285 var.value = NULL;
2286
2287 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2288 {
2289 if (strcmp(var.value, "disabled") == 0)
2290 pl_rearmed_cbs.gpu_unai.lighting = 0;
2291 else if (strcmp(var.value, "enabled") == 0)
2292 pl_rearmed_cbs.gpu_unai.lighting = 1;
2293 }
2294
2295 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2296 var.value = NULL;
2297
2298 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2299 {
2300 if (strcmp(var.value, "disabled") == 0)
2301 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2302 else if (strcmp(var.value, "enabled") == 0)
2303 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2304 }
2305
2306 var.key = "pcsx_rearmed_gpu_unai_blending";
2307 var.value = NULL;
2308
2309 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2310 {
2311 if (strcmp(var.value, "disabled") == 0)
2312 pl_rearmed_cbs.gpu_unai.blending = 0;
2313 else if (strcmp(var.value, "enabled") == 0)
2314 pl_rearmed_cbs.gpu_unai.blending = 1;
2315 }
2316
2317 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2318 var.value = NULL;
2319
2320 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2321 {
2322 if (strcmp(var.value, "disabled") == 0)
2323 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2324 else if (strcmp(var.value, "enabled") == 0)
2325 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2326 }
2327#endif // GPU_UNAI
2328
2329 //This adjustment process gives the user the ability to manually align the mouse up better
2330 //with where the shots are in the emulator.
2331
2332 var.value = NULL;
2333 var.key = "pcsx_rearmed_gunconadjustx";
2334
2335 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2336 {
2337 GunconAdjustX = atoi(var.value);
2338 }
2339
2340 var.value = NULL;
2341 var.key = "pcsx_rearmed_gunconadjusty";
2342
2343 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2344 {
2345 GunconAdjustY = atoi(var.value);
2346 }
2347
2348 var.value = NULL;
2349 var.key = "pcsx_rearmed_gunconadjustratiox";
2350
2351 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2352 {
2353 GunconAdjustRatioX = atof(var.value);
2354 }
2355
2356 var.value = NULL;
2357 var.key = "pcsx_rearmed_gunconadjustratioy";
2358
2359 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2360 {
2361 GunconAdjustRatioY = atof(var.value);
2362 }
2363
2364 var.value = NULL;
2365 var.key = "pcsx_rearmed_input_sensitivity";
2366 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2367 {
2368 mouse_sensitivity = atof(var.value);
2369 }
2370
2371 if (in_flight)
2372 {
2373 // inform core things about possible config changes
2374 plugin_call_rearmed_cbs();
2375
2376 if (GPU_open != NULL && GPU_close != NULL)
2377 {
2378 GPU_close();
2379 GPU_open(&gpuDisp, "PCSX", NULL);
2380 }
2381
2382 /* Reinitialise frameskipping, if required */
2383 if (((frameskip_type != prev_frameskip_type)))
2384 retro_set_audio_buff_status_cb();
2385
2386 /* dfinput_activate(); */
2387 }
2388 else
2389 {
2390 //not yet running
2391
2392 //bootlogo display hack
2393 if (found_bios)
2394 {
2395 var.value = NULL;
2396 var.key = "pcsx_rearmed_show_bios_bootlogo";
2397 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2398 {
2399 Config.SlowBoot = 0;
2400 rebootemu = 0;
2401 if (strcmp(var.value, "enabled") == 0)
2402 {
2403 Config.SlowBoot = 1;
2404 rebootemu = 1;
2405 }
2406 }
2407 }
2408 }
2409
2410 update_option_visibility();
2411}
2412
2413// Taken from beetle-psx-libretro
2414static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
2415{
2416 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2417 // feature (or pre-date it) so we need to handle this in a graceful way.
2418
2419 // First, try and get an analog value using the new libretro API constant
2420 uint16_t button = input_state_cb(player_index,
2421 RETRO_DEVICE_ANALOG,
2422 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2423 id);
2424 button = MIN(button / 128, 255);
2425
2426 if (button == 0)
2427 {
2428 // If we got exactly zero, we're either not pressing the button, or the front-end
2429 // is not reporting analog values. We need to do a second check using the classic
2430 // digital API method, to at least get some response - better than nothing.
2431
2432 // NOTE: If we're really just not holding the button, we're still going to get zero.
2433
2434 button = (ret & (1 << id)) ? 255 : 0;
2435 }
2436
2437 return button;
2438}
2439
2440unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2441{
2442 float modifier_axis_range = 0;
2443
2444 if (is_square)
2445 {
2446 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2447 if (modifier_axis_range < 0)
2448 {
2449 modifier_axis_range = 0;
2450 }
2451 else if (modifier_axis_range > 255)
2452 {
2453 modifier_axis_range = 255;
2454 }
2455 }
2456 else
2457 {
2458 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2459 }
2460
2461 return modifier_axis_range;
2462}
2463
2464static void update_input_guncon(int port, int ret)
2465{
2466 //ToDo:
2467 //Core option for cursors for both players
2468 //Separate pointer and lightgun control types
2469
2470 //Mouse range is -32767 -> 32767
2471 //1% is about 655
2472 //Use the left analog stick field to store the absolute coordinates
2473
2474 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
2475 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
2476
2477 //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
2478 //Offscreen value is chosen to be well out of range of any possible scaling done via core options
2479 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))
2480 {
2481 in_analog_left[port][0] = (65536 - 512) * 64;
2482 in_analog_left[port][1] = (65536 - 512) * 64;
2483 }
2484 else
2485 {
2486 in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
2487 in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
2488 }
2489
2490 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
2491
2492 // Trigger
2493 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))
2494 in_keystate[port] |= (1 << DKEY_CIRCLE);
2495
2496 // A
2497 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
2498 in_keystate[port] |= (1 << DKEY_START);
2499
2500 // B
2501 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B))
2502 in_keystate[port] |= (1 << DKEY_CROSS);
2503
2504}
2505
2506static void update_input_negcon(int port, int ret)
2507{
2508 int lsx;
2509 int rsy;
2510 int negcon_i_rs;
2511 int negcon_ii_rs;
2512 float negcon_twist_amplitude;
2513
2514 // Query digital inputs
2515 //
2516 // > Pad-Up
2517 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2518 in_keystate[port] |= (1 << DKEY_UP);
2519 // > Pad-Right
2520 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2521 in_keystate[port] |= (1 << DKEY_RIGHT);
2522 // > Pad-Down
2523 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2524 in_keystate[port] |= (1 << DKEY_DOWN);
2525 // > Pad-Left
2526 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2527 in_keystate[port] |= (1 << DKEY_LEFT);
2528 // > Start
2529 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2530 in_keystate[port] |= (1 << DKEY_START);
2531 // > neGcon A
2532 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2533 in_keystate[port] |= (1 << DKEY_CIRCLE);
2534 // > neGcon B
2535 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2536 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2537 // > neGcon R shoulder (digital)
2538 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2539 in_keystate[port] |= (1 << DKEY_R1);
2540 // Query analog inputs
2541 //
2542 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2543 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2544 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2545 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2546 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2547 // So we just have to map in_analog_left/right to more
2548 // appropriate inputs...
2549 //
2550 // > NeGcon twist
2551 // >> Get raw analog stick value and account for deadzone
2552 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2553 if (lsx > negcon_deadzone)
2554 lsx = lsx - negcon_deadzone;
2555 else if (lsx < -negcon_deadzone)
2556 lsx = lsx + negcon_deadzone;
2557 else
2558 lsx = 0;
2559 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2560 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2561 if (negcon_linearity == 2)
2562 {
2563 if (negcon_twist_amplitude < 0.0)
2564 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2565 else
2566 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2567 }
2568 else if (negcon_linearity == 3)
2569 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2570 // >> Convert to final 'in_analog' integer value [0,255]
2571 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2572 // > NeGcon I + II
2573 // >> Handle right analog stick vertical axis mapping...
2574 // - Up (-Y) == accelerate == neGcon I
2575 // - Down (+Y) == brake == neGcon II
2576 negcon_i_rs = 0;
2577 negcon_ii_rs = 0;
2578 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2579 if (rsy >= 0)
2580 {
2581 // Account for deadzone
2582 // (Note: have never encountered a gamepad with significant differences
2583 // in deadzone between left/right analog sticks, so use the regular 'twist'
2584 // deadzone here)
2585 if (rsy > negcon_deadzone)
2586 rsy = rsy - negcon_deadzone;
2587 else
2588 rsy = 0;
2589 // Convert to 'in_analog' integer value [0,255]
2590 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2591 }
2592 else
2593 {
2594 if (rsy < -negcon_deadzone)
2595 rsy = -1 * (rsy + negcon_deadzone);
2596 else
2597 rsy = 0;
2598 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2599 }
2600 // >> NeGcon I
2601 in_analog_right[port][1] = MAX(
2602 MAX(
2603 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2604 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2605 negcon_i_rs);
2606 // >> NeGcon II
2607 in_analog_left[port][0] = MAX(
2608 MAX(
2609 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2610 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2611 negcon_ii_rs);
2612 // > NeGcon L
2613 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2614}
2615
2616static void update_input_mouse(int port, int ret)
2617{
2618 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2619 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2620
2621 int x = (int)roundf(raw_x * mouse_sensitivity);
2622 int y = (int)roundf(raw_y * mouse_sensitivity);
2623
2624 if (x > 127) x = 127;
2625 else if (x < -128) x = -128;
2626
2627 if (y > 127) y = 127;
2628 else if (y < -128) y = -128;
2629
2630 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2631 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2632
2633 /* left mouse button state */
2634 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2635 in_keystate[port] |= 1 << 11;
2636
2637 /* right mouse button state */
2638 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2639 in_keystate[port] |= 1 << 10;
2640}
2641
2642static void update_input(void)
2643{
2644 // reset all keystate, query libretro for keystate
2645 int i;
2646 int j;
2647
2648 for (i = 0; i < PORTS_NUMBER; i++)
2649 {
2650 int16_t ret = 0;
2651 int type = in_type[i];
2652
2653 in_keystate[i] = 0;
2654
2655 if (type == PSE_PAD_TYPE_NONE)
2656 continue;
2657
2658 if (libretro_supports_bitmasks)
2659 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2660 else
2661 {
2662 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2663 {
2664 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2665 ret |= (1 << j);
2666 }
2667 }
2668
2669 switch (type)
2670 {
2671 case PSE_PAD_TYPE_GUNCON:
2672 update_input_guncon(i, ret);
2673 break;
2674 case PSE_PAD_TYPE_NEGCON:
2675 update_input_negcon(i, ret);
2676 break;
2677 case PSE_PAD_TYPE_MOUSE:
2678 update_input_mouse(i, ret);
2679 break;
2680 default:
2681 // Query digital inputs
2682 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2683 if (ret & (1 << j))
2684 in_keystate[i] |= retro_psx_map[j];
2685
2686 // Query analog inputs
2687 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2688 {
2689 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);
2690 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);
2691 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);
2692 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);
2693 }
2694 }
2695 }
2696}
2697
2698static void print_internal_fps(void)
2699{
2700 if (display_internal_fps)
2701 {
2702 frame_count++;
2703
2704 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2705 {
2706 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2707 char str[64];
2708 const char *strc = (const char *)str;
2709
2710 str[0] = '\0';
2711
2712 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2713
2714 pl_rearmed_cbs.flip_cnt = 0;
2715
2716 if (msg_interface_version >= 1)
2717 {
2718 struct retro_message_ext msg = {
2719 strc,
2720 3000,
2721 1,
2722 RETRO_LOG_INFO,
2723 RETRO_MESSAGE_TARGET_OSD,
2724 RETRO_MESSAGE_TYPE_STATUS,
2725 -1
2726 };
2727 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2728 }
2729 else
2730 {
2731 struct retro_message msg = {
2732 strc,
2733 180
2734 };
2735 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2736 }
2737 }
2738 }
2739 else
2740 frame_count = 0;
2741}
2742
2743void retro_run(void)
2744{
2745 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2746 if (rebootemu != 0)
2747 {
2748 rebootemu = 0;
2749 SysReset();
2750 if (Config.HLE)
2751 LoadCdrom();
2752 }
2753
2754 print_internal_fps();
2755
2756 /* Check whether current frame should
2757 * be skipped */
2758 pl_rearmed_cbs.fskip_force = 0;
2759 pl_rearmed_cbs.fskip_dirty = 0;
2760
2761 if (frameskip_type != FRAMESKIP_NONE)
2762 {
2763 bool skip_frame = false;
2764
2765 switch (frameskip_type)
2766 {
2767 case FRAMESKIP_AUTO:
2768 skip_frame = retro_audio_buff_active && retro_audio_buff_underrun;
2769 break;
2770 case FRAMESKIP_AUTO_THRESHOLD:
2771 skip_frame = retro_audio_buff_active && (retro_audio_buff_occupancy < frameskip_threshold);
2772 break;
2773 case FRAMESKIP_FIXED_INTERVAL:
2774 skip_frame = true;
2775 break;
2776 default:
2777 break;
2778 }
2779
2780 if (skip_frame && frameskip_counter < frameskip_interval)
2781 pl_rearmed_cbs.fskip_force = 1;
2782 }
2783
2784 /* If frameskip/timing settings have changed,
2785 * update frontend audio latency
2786 * > Can do this before or after the frameskip
2787 * check, but doing it after means we at least
2788 * retain the current frame's audio output */
2789 if (update_audio_latency)
2790 {
2791 environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
2792 &retro_audio_latency);
2793 update_audio_latency = false;
2794 }
2795
2796 input_poll_cb();
2797
2798 update_input();
2799
2800 bool updated = false;
2801 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2802 update_variables(true);
2803
2804 stop = 0;
2805 psxCpu->Execute();
2806
2807 if (pl_rearmed_cbs.fskip_dirty == 1) {
2808 if (frameskip_counter < frameskip_interval)
2809 frameskip_counter++;
2810 else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
2811 frameskip_counter = 0;
2812 }
2813
2814 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2815 vout_width, vout_height, vout_width * 2);
2816 vout_fb_dirty = 0;
2817
2818 set_vout_fb();
2819}
2820
2821static bool try_use_bios(const char *path, bool preferred_only)
2822{
2823 long size;
2824 const char *name;
2825 FILE *fp = fopen(path, "rb");
2826 if (fp == NULL)
2827 return false;
2828
2829 fseek(fp, 0, SEEK_END);
2830 size = ftell(fp);
2831 fclose(fp);
2832
2833 name = strrchr(path, SLASH);
2834 if (name++ == NULL)
2835 name = path;
2836
2837 if (preferred_only && size != 512 * 1024)
2838 return false;
2839 if (size != 512 * 1024 && size != 4 * 1024 * 1024)
2840 return false;
2841 if (strstr(name, "unirom"))
2842 return false;
2843 // jp bios have an addidional region check
2844 if (preferred_only && (strcasestr(name, "00.") || strcasestr(name, "j.bin")))
2845 return false;
2846
2847 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
2848 return true;
2849}
2850
2851#ifndef VITA
2852#include <sys/types.h>
2853#include <dirent.h>
2854
2855static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
2856{
2857 static const char *substr_pref[] = { "scph", "ps" };
2858 static const char *substr_alt[] = { "scph", "ps", "openbios" };
2859 DIR *dir;
2860 struct dirent *ent;
2861 bool ret = false;
2862 size_t i;
2863
2864 dir = opendir(dirpath);
2865 if (dir == NULL)
2866 return false;
2867
2868 // try to find a "better" bios
2869 while ((ent = readdir(dir)))
2870 {
2871 for (i = 0; i < sizeof(substr_pref) / sizeof(substr_pref[0]); i++)
2872 {
2873 const char *substr = substr_pref[i];
2874 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
2875 continue;
2876 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2877 ret = try_use_bios(path, true);
2878 if (ret)
2879 goto finish;
2880 }
2881 }
2882
2883 // another pass to look for anything fitting, even ps2 bios
2884 rewinddir(dir);
2885 while ((ent = readdir(dir)))
2886 {
2887 for (i = 0; i < sizeof(substr_alt) / sizeof(substr_alt[0]); i++)
2888 {
2889 const char *substr = substr_alt[i];
2890 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
2891 continue;
2892 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
2893 ret = try_use_bios(path, false);
2894 if (ret)
2895 goto finish;
2896 }
2897 }
2898
2899
2900finish:
2901 closedir(dir);
2902 return ret;
2903}
2904#else
2905#define find_any_bios(...) false
2906#endif
2907
2908static void check_system_specs(void)
2909{
2910 unsigned level = 6;
2911 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
2912}
2913
2914static int init_memcards(void)
2915{
2916 int ret = 0;
2917 const char *dir;
2918 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
2919 static const char CARD2_FILE[] = "pcsx-card2.mcd";
2920
2921 // Memcard2 will be handled and is re-enabled if needed using core
2922 // operations.
2923 // Memcard1 is handled by libretro, doing this will set core to
2924 // skip file io operations for memcard1 like SaveMcd
2925 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
2926 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
2927 init_memcard(Mcd1Data);
2928 // Memcard 2 is managed by the emulator on the filesystem,
2929 // There is no need to initialize Mcd2Data like Mcd1Data.
2930
2931 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2932 {
2933 SysPrintf("Memcard 2: %s\n", var.value);
2934 if (memcmp(var.value, "enabled", 7) == 0)
2935 {
2936 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
2937 {
2938 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
2939 {
2940 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
2941 ret = -1;
2942 }
2943 else
2944 {
2945 McdDisable[1] = 0;
2946 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
2947 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
2948 }
2949 }
2950 else
2951 {
2952 SysPrintf("Could not get save directory! Could not create memcard 2.");
2953 ret = -1;
2954 }
2955 }
2956 }
2957 return ret;
2958}
2959
2960static void loadPSXBios(void)
2961{
2962 const char *dir;
2963 char path[PATH_MAX];
2964 unsigned useHLE = 0;
2965
2966 const char *bios[] = {
2967 "PSXONPSP660", "psxonpsp660",
2968 "SCPH101", "scph101",
2969 "SCPH5501", "scph5501",
2970 "SCPH7001", "scph7001",
2971 "SCPH1001", "scph1001"
2972 };
2973
2974 struct retro_variable var = {
2975 .key = "pcsx_rearmed_bios",
2976 .value = NULL
2977 };
2978
2979 found_bios = 0;
2980
2981 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2982 {
2983 if (!strcmp(var.value, "HLE"))
2984 useHLE = 1;
2985 }
2986
2987 if (!useHLE)
2988 {
2989 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
2990 {
2991 unsigned i;
2992 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
2993
2994 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
2995 {
2996 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
2997 found_bios = try_use_bios(path, true);
2998 if (found_bios)
2999 break;
3000 }
3001
3002 if (!found_bios)
3003 found_bios = find_any_bios(dir, path, sizeof(path));
3004 }
3005 if (found_bios)
3006 {
3007 SysPrintf("found BIOS file: %s\n", Config.Bios);
3008 }
3009 }
3010
3011 if (!found_bios)
3012 {
3013 const char *msg_str;
3014 if (useHLE)
3015 {
3016 msg_str = "BIOS set to \'hle\' in core options - real BIOS will be ignored";
3017 SysPrintf("Using HLE BIOS.\n");
3018 }
3019 else
3020 {
3021 msg_str = "No PlayStation BIOS file found - add for better compatibility";
3022 SysPrintf("No BIOS files found.\n");
3023 }
3024
3025 if (msg_interface_version >= 1)
3026 {
3027 struct retro_message_ext msg = {
3028 msg_str,
3029 3000,
3030 3,
3031 RETRO_LOG_WARN,
3032 RETRO_MESSAGE_TARGET_ALL,
3033 RETRO_MESSAGE_TYPE_NOTIFICATION,
3034 -1
3035 };
3036 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
3037 }
3038 else
3039 {
3040 struct retro_message msg = {
3041 msg_str,
3042 180
3043 };
3044 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
3045 }
3046 }
3047}
3048
3049void retro_init(void)
3050{
3051 unsigned dci_version = 0;
3052 struct retro_rumble_interface rumble;
3053 int ret;
3054
3055 msg_interface_version = 0;
3056 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
3057
3058#if defined(__MACH__) && !defined(TVOS)
3059 // magic sauce to make the dynarec work on iOS
3060 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
3061#endif
3062
3063#ifdef _3DS
3064 psxMapHook = pl_3ds_mmap;
3065 psxUnmapHook = pl_3ds_munmap;
3066#endif
3067#ifdef VITA
3068 if (init_vita_mmap() < 0)
3069 abort();
3070 psxMapHook = pl_vita_mmap;
3071 psxUnmapHook = pl_vita_munmap;
3072#endif
3073 ret = emu_core_preinit();
3074#ifdef _3DS
3075 /* emu_core_preinit sets the cpu to dynarec */
3076 if (!__ctr_svchax)
3077 Config.Cpu = CPU_INTERPRETER;
3078#endif
3079 ret |= init_memcards();
3080
3081 ret |= emu_core_init();
3082 if (ret != 0)
3083 {
3084 SysPrintf("PCSX init failed.\n");
3085 exit(1);
3086 }
3087
3088#ifdef _3DS
3089 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
3090#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
3091 if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
3092 vout_buf = (void *) 0;
3093#else
3094 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
3095#endif
3096
3097 vout_buf_ptr = vout_buf;
3098
3099 loadPSXBios();
3100
3101 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
3102
3103 disk_initial_index = 0;
3104 disk_initial_path[0] = '\0';
3105 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
3106 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
3107 else
3108 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
3109
3110 rumble_cb = NULL;
3111 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
3112 rumble_cb = rumble.set_rumble_state;
3113
3114 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
3115 * we have to do this because cache misses and some IO penalties
3116 * are not emulated. Warning: changing this may break compatibility. */
3117 Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
3118#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
3119 Config.cycle_multiplier = 200;
3120#endif
3121 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
3122 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
3123 spu_config.iUseFixedUpdates = 1;
3124
3125 SaveFuncs.open = save_open;
3126 SaveFuncs.read = save_read;
3127 SaveFuncs.write = save_write;
3128 SaveFuncs.seek = save_seek;
3129 SaveFuncs.close = save_close;
3130
3131 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
3132 libretro_supports_bitmasks = true;
3133
3134 check_system_specs();
3135}
3136
3137void retro_deinit(void)
3138{
3139 if (plugins_opened)
3140 {
3141 ClosePlugins();
3142 plugins_opened = 0;
3143 }
3144 SysClose();
3145#ifdef _3DS
3146 linearFree(vout_buf);
3147#else
3148 free(vout_buf);
3149#endif
3150 vout_buf = NULL;
3151
3152#ifdef VITA
3153 deinit_vita_mmap();
3154#endif
3155 libretro_supports_bitmasks = false;
3156 libretro_supports_option_categories = false;
3157
3158 show_input_settings = true;
3159#ifdef GPU_PEOPS
3160 show_advanced_gpu_peops_settings = true;
3161#endif
3162#ifdef GPU_UNAI
3163 show_advanced_gpu_unai_settings = true;
3164#endif
3165
3166 /* Have to reset disks struct, otherwise
3167 * fnames/flabels will leak memory */
3168 disk_init();
3169 frameskip_type = FRAMESKIP_NONE;
3170 frameskip_threshold = 0;
3171 frameskip_interval = 0;
3172 frameskip_counter = 0;
3173 retro_audio_buff_active = false;
3174 retro_audio_buff_occupancy = 0;
3175 retro_audio_buff_underrun = false;
3176 retro_audio_latency = 0;
3177 update_audio_latency = false;
3178}
3179
3180#ifdef VITA
3181#include <psp2/kernel/threadmgr.h>
3182int usleep(unsigned long us)
3183{
3184 sceKernelDelayThread(us);
3185}
3186#endif
3187
3188void SysPrintf(const char *fmt, ...)
3189{
3190 va_list list;
3191 char msg[512];
3192
3193 va_start(list, fmt);
3194 vsprintf(msg, fmt, list);
3195 va_end(list);
3196
3197 if (log_cb)
3198 log_cb(RETRO_LOG_INFO, "%s", msg);
3199}
3200
3201/* Prints debug-level logs */
3202void SysDLog(const char *fmt, ...)
3203{
3204 va_list list;
3205 char msg[512];
3206
3207 va_start(list, fmt);
3208 vsprintf(msg, fmt, list);
3209 va_end(list);
3210
3211 if (log_cb)
3212 log_cb(RETRO_LOG_DEBUG, "%s", msg);
3213}
3214
3215// vim:sw=3:ts=3:expandtab
ARM optimized PCSX fork