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