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libretro.c: Create pcsx_rearmed_memcard2 option to enable/disable memcard2
[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#include "../libpcsxcore/misc.h"
19#include "../libpcsxcore/psxcounters.h"
20#include "../libpcsxcore/psxmem_map.h"
21#include "../libpcsxcore/new_dynarec/new_dynarec.h"
22#include "../libpcsxcore/cdrom.h"
23#include "../libpcsxcore/cdriso.h"
24#include "../libpcsxcore/cheat.h"
25#include "../plugins/dfsound/out.h"
26#include "../plugins/dfsound/spu_config.h"
27#include "../plugins/dfinput/externals.h"
28#include "cspace.h"
29#include "main.h"
30#include "plugin.h"
31#include "plugin_lib.h"
32#include "arm_features.h"
33#include "revision.h"
34#include "libretro.h"
35
36#ifdef _3DS
37#include "3ds/3ds_utils.h"
38#endif
39
40#define PORTS_NUMBER 8
41
42#ifndef MIN
43#define MIN(a, b) ((a) < (b) ? (a) : (b))
44#endif
45
46#define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
47
48//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
49static int rebootemu = 0;
50
51static retro_video_refresh_t video_cb;
52static retro_input_poll_t input_poll_cb;
53static retro_input_state_t input_state_cb;
54static retro_environment_t environ_cb;
55static retro_audio_sample_batch_t audio_batch_cb;
56static struct retro_rumble_interface rumble;
57static struct retro_log_callback logging;
58static retro_log_printf_t log_cb;
59
60static void *vout_buf;
61static void * vout_buf_ptr;
62static int vout_width, vout_height;
63static int vout_doffs_old, vout_fb_dirty;
64static bool vout_can_dupe;
65static bool duping_enable;
66static bool found_bios;
67
68static int plugins_opened;
69static int is_pal_mode;
70
71/* memory card data */
72extern char Mcd1Data[MCD_SIZE];
73extern char Mcd2Data[MCD_SIZE];
74extern char McdDisable[2];
75
76/* PCSX ReARMed core calls and stuff */
77int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
78 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
79 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
80 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
81int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
82int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
83unsigned short in_keystate[PORTS_NUMBER];
84int multitap1 = 0;
85int multitap2 = 0;
86int in_enable_vibration = 1;
87
88/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
89#define VOUT_MAX_WIDTH 1024
90#define VOUT_MAX_HEIGHT 512
91
92//Dummy functions
93bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
94void retro_unload_game(void){}
95static int vout_open(void){return 0;}
96static void vout_close(void){}
97static int snd_init(void){return 0;}
98static void snd_finish(void){}
99static int snd_busy(void){return 0;}
100
101static void init_memcard(char *mcd_data)
102{
103 unsigned off = 0;
104 unsigned i;
105
106 memset(mcd_data, 0, MCD_SIZE);
107
108 mcd_data[off++] = 'M';
109 mcd_data[off++] = 'C';
110 off += 0x7d;
111 mcd_data[off++] = 0x0e;
112
113 for (i = 0; i < 15; i++) {
114 mcd_data[off++] = 0xa0;
115 off += 0x07;
116 mcd_data[off++] = 0xff;
117 mcd_data[off++] = 0xff;
118 off += 0x75;
119 mcd_data[off++] = 0xa0;
120 }
121
122 for (i = 0; i < 20; i++) {
123 mcd_data[off++] = 0xff;
124 mcd_data[off++] = 0xff;
125 mcd_data[off++] = 0xff;
126 mcd_data[off++] = 0xff;
127 off += 0x04;
128 mcd_data[off++] = 0xff;
129 mcd_data[off++] = 0xff;
130 off += 0x76;
131 }
132}
133
134static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
135{
136 vout_width = w;
137 vout_height = h;
138
139 struct retro_framebuffer fb = {0};
140
141 fb.width = vout_width;
142 fb.height = vout_height;
143 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
144
145 vout_buf_ptr = vout_buf;
146
147 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
148 {
149 vout_buf_ptr = (uint16_t*)fb.data;
150 }
151
152}
153
154#ifndef FRONTEND_SUPPORTS_RGB565
155static void convert(void *buf, size_t bytes)
156{
157 unsigned int i, v, *p = buf;
158
159 for (i = 0; i < bytes / 4; i++) {
160 v = p[i];
161 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
162 }
163}
164#endif
165
166static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
167{
168 unsigned short *dest = vout_buf_ptr;
169 const unsigned short *src = vram;
170 int dstride = vout_width, h1 = h;
171 int doffs;
172
173 if (vram == NULL) {
174 // blanking
175 memset(vout_buf_ptr, 0, dstride * h * 2);
176 goto out;
177 }
178
179 doffs = (vout_height - h) * dstride;
180 doffs += (dstride - w) / 2 & ~1;
181 if (doffs != vout_doffs_old) {
182 // clear borders
183 memset(vout_buf_ptr, 0, dstride * h * 2);
184 vout_doffs_old = doffs;
185 }
186 dest += doffs;
187
188 if (bgr24)
189 {
190 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
191 for (; h1-- > 0; dest += dstride, src += stride)
192 {
193 bgr888_to_rgb565(dest, src, w * 3);
194 }
195 }
196 else
197 {
198 for (; h1-- > 0; dest += dstride, src += stride)
199 {
200 bgr555_to_rgb565(dest, src, w * 2);
201 }
202 }
203
204out:
205#ifndef FRONTEND_SUPPORTS_RGB565
206 convert(vout_buf_ptr, vout_width * vout_height * 2);
207#endif
208 vout_fb_dirty = 1;
209 pl_rearmed_cbs.flip_cnt++;
210}
211
212#ifdef _3DS
213typedef struct
214{
215 void* buffer;
216 uint32_t target_map;
217 size_t size;
218 enum psxMapTag tag;
219}psx_map_t;
220
221psx_map_t custom_psx_maps[] = {
222 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
223 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
224 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
225 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
226 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
227};
228
229void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
230 enum psxMapTag tag)
231{
232 (void)is_fixed;
233 (void)addr;
234
235 if (__ctr_svchax)
236 {
237 psx_map_t* custom_map = custom_psx_maps;
238
239 for (; custom_map->size; custom_map++)
240 {
241 if ((custom_map->size == size) && (custom_map->tag == tag))
242 {
243 uint32_t ptr_aligned, tmp;
244
245 custom_map->buffer = malloc(size + 0x1000);
246 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
247
248 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
249 {
250 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
251 exit(1);
252 }
253
254 return (void*)custom_map->target_map;
255 }
256 }
257 }
258
259 return malloc(size);
260}
261
262void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
263{
264 (void)tag;
265
266 if (__ctr_svchax)
267 {
268 psx_map_t* custom_map = custom_psx_maps;
269
270 for (; custom_map->size; custom_map++)
271 {
272 if ((custom_map->target_map == (uint32_t)ptr))
273 {
274 uint32_t ptr_aligned, tmp;
275
276 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
277
278 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
279
280 free(custom_map->buffer);
281 custom_map->buffer = NULL;
282 return;
283 }
284 }
285 }
286
287 free(ptr);
288}
289#endif
290
291#ifdef VITA
292typedef struct
293{
294 void* buffer;
295 uint32_t target_map;
296 size_t size;
297 enum psxMapTag tag;
298}psx_map_t;
299
300void* addr = NULL;
301
302psx_map_t custom_psx_maps[] = {
303 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
304 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
305 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
306 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
307 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
308};
309
310int init_vita_mmap(){
311 int n;
312 void * tmpaddr;
313 addr = malloc(64*1024*1024);
314 if(addr==NULL)
315 return -1;
316 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
317 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
318 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
319 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
320 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
321 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
322#if 0
323 for(n = 0; n < 5; n++){
324 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
325 }
326#endif
327 return 0;
328}
329
330void deinit_vita_mmap(){
331 free(addr);
332}
333
334void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
335 enum psxMapTag tag)
336{
337 (void)is_fixed;
338 (void)addr;
339
340
341 psx_map_t* custom_map = custom_psx_maps;
342
343 for (; custom_map->size; custom_map++)
344 {
345 if ((custom_map->size == size) && (custom_map->tag == tag))
346 {
347 return custom_map->buffer;
348 }
349 }
350
351
352 return malloc(size);
353}
354
355void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
356{
357 (void)tag;
358
359 psx_map_t* custom_map = custom_psx_maps;
360
361 for (; custom_map->size; custom_map++)
362 {
363 if ((custom_map->buffer == ptr))
364 {
365 return;
366 }
367 }
368
369 free(ptr);
370}
371#endif
372
373static void *pl_mmap(unsigned int size)
374{
375 return psxMap(0, size, 0, MAP_TAG_VRAM);
376}
377
378static void pl_munmap(void *ptr, unsigned int size)
379{
380 psxUnmap(ptr, size, MAP_TAG_VRAM);
381}
382
383struct rearmed_cbs pl_rearmed_cbs = {
384 .pl_vout_open = vout_open,
385 .pl_vout_set_mode = vout_set_mode,
386 .pl_vout_flip = vout_flip,
387 .pl_vout_close = vout_close,
388 .mmap = pl_mmap,
389 .munmap = pl_munmap,
390 /* from psxcounters */
391 .gpu_hcnt = &hSyncCount,
392 .gpu_frame_count = &frame_counter,
393};
394
395void pl_frame_limit(void)
396{
397 /* called once per frame, make psxCpu->Execute() above return */
398 stop = 1;
399}
400
401void pl_timing_prepare(int is_pal)
402{
403 is_pal_mode = is_pal;
404}
405
406void plat_trigger_vibrate(int pad, int low, int high)
407{
408 if(in_enable_vibration)
409 {
410 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
411 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
412 }
413}
414
415void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
416{
417}
418
419/* sound calls */
420static void snd_feed(void *buf, int bytes)
421{
422 if (audio_batch_cb != NULL)
423 audio_batch_cb(buf, bytes / 4);
424}
425
426void out_register_libretro(struct out_driver *drv)
427{
428 drv->name = "libretro";
429 drv->init = snd_init;
430 drv->finish = snd_finish;
431 drv->busy = snd_busy;
432 drv->feed = snd_feed;
433}
434
435/* libretro */
436void retro_set_environment(retro_environment_t cb)
437{
438 static const struct retro_variable vars[] = {
439 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
440 { "pcsx_rearmed_region", "Region; auto|NTSC|PAL" },
441 { "pcsx_rearmed_memcard2", "Enable second memory card; disabled|enabled" },
442 { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|negcon" },
443 { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|negcon" },
444 { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|negcon" },
445 { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|negcon" },
446 { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|negcon" },
447 { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|negcon" },
448 { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|negcon" },
449 { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|negcon" },
450 { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
451 { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
452 { "pcsx_rearmed_vibration", "Enable Vibration; enabled|disabled" },
453 { "pcsx_rearmed_dithering", "Enable Dithering; enabled|disabled" },
454#ifndef DRC_DISABLE
455 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
456#endif
457#ifdef __ARM_NEON__
458 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
459 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
460 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
461#endif
462 { "pcsx_rearmed_duping_enable", "Frame duping; enabled|disabled" },
463 { "pcsx_rearmed_show_bios_bootlogo", "Show Bios Bootlogo(Breaks some games); disabled|enabled" },
464 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; enabled|disabled" },
465 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
466 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
467 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
468 { NULL, NULL },
469 };
470
471 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
472 log_cb = logging.log;
473
474 environ_cb = cb;
475
476 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
477}
478
479void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
480void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
481void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
482void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
483void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
484
485unsigned retro_api_version(void)
486{
487 return RETRO_API_VERSION;
488}
489
490static int controller_port_variable(unsigned port, struct retro_variable *var)
491{
492 if (port >= PORTS_NUMBER)
493 return 0;
494
495 if (!environ_cb)
496 return 0;
497
498 var->value = NULL;
499 switch (port) {
500 case 0:
501 var->key = "pcsx_rearmed_pad1type";
502 break;
503 case 1:
504 var->key = "pcsx_rearmed_pad2type";
505 break;
506 case 2:
507 var->key = "pcsx_rearmed_pad3type";
508 break;
509 case 3:
510 var->key = "pcsx_rearmed_pad4type";
511 break;
512 case 4:
513 var->key = "pcsx_rearmed_pad5type";
514 break;
515 case 5:
516 var->key = "pcsx_rearmed_pad6type";
517 break;
518 case 6:
519 var->key = "pcsx_rearmed_pad7type";
520 break;
521 case 7:
522 var->key = "pcsx_rearmed_pad8type";
523 break;
524 }
525
526 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
527}
528
529static void update_controller_port_variable(unsigned port)
530{
531 if (port >= PORTS_NUMBER)
532 return;
533
534 struct retro_variable var;
535
536 if (controller_port_variable(port, &var))
537 {
538 if (strcmp(var.value, "standard") == 0)
539 in_type[port] = PSE_PAD_TYPE_STANDARD;
540 else if (strcmp(var.value, "analog") == 0)
541 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
542 else if (strcmp(var.value, "negcon") == 0)
543 in_type[port] = PSE_PAD_TYPE_NEGCON;
544 else if (strcmp(var.value, "none") == 0)
545 in_type[port] = PSE_PAD_TYPE_NONE;
546 // else 'default' case, do nothing
547 }
548}
549
550static void update_controller_port_device(unsigned port, unsigned device)
551{
552 if (port >= PORTS_NUMBER)
553 return;
554
555 struct retro_variable var;
556
557 if (!controller_port_variable(port, &var))
558 return;
559
560 if (strcmp(var.value, "default") != 0)
561 return;
562
563 switch (device)
564 {
565 case RETRO_DEVICE_JOYPAD:
566 in_type[port] = PSE_PAD_TYPE_STANDARD;
567 break;
568 case RETRO_DEVICE_ANALOG:
569 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
570 break;
571 case RETRO_DEVICE_MOUSE:
572 in_type[port] = PSE_PAD_TYPE_MOUSE;
573 break;
574 case RETRO_DEVICE_LIGHTGUN:
575 in_type[port] = PSE_PAD_TYPE_GUN;
576 break;
577 case RETRO_DEVICE_NONE:
578 default:
579 in_type[port] = PSE_PAD_TYPE_NONE;
580 }
581}
582
583static void update_multitap()
584{
585 struct retro_variable var;
586 int auto_case, port;
587
588 var.value = NULL;
589 var.key = "pcsx_rearmed_multitap1";
590 auto_case = 0;
591 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
592 {
593 if (strcmp(var.value, "enabled") == 0)
594 multitap1 = 1;
595 else if (strcmp(var.value, "disabled") == 0)
596 multitap1 = 0;
597 else // 'auto' case
598 auto_case = 1;
599 }
600 else
601 auto_case = 1;
602
603 if (auto_case)
604 {
605 // If a gamepad is plugged after port 2, we need a first multitap.
606 multitap1 = 0;
607 for (port = 2; port < PORTS_NUMBER; port++)
608 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
609 }
610
611 var.value = NULL;
612 var.key = "pcsx_rearmed_multitap2";
613 auto_case = 0;
614 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
615 {
616 if (strcmp(var.value, "enabled") == 0)
617 multitap2 = 1;
618 else if (strcmp(var.value, "disabled") == 0)
619 multitap2 = 0;
620 else // 'auto' case
621 auto_case = 1;
622 }
623 else
624 auto_case = 1;
625
626 if (auto_case)
627 {
628 // If a gamepad is plugged after port 4, we need a second multitap.
629 multitap2 = 0;
630 for (port = 4; port < PORTS_NUMBER; port++)
631 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
632 }
633}
634
635void retro_set_controller_port_device(unsigned port, unsigned device)
636{
637 SysPrintf("port %u device %u",port,device);
638
639 if (port >= PORTS_NUMBER)
640 return;
641
642 update_controller_port_device(port, device);
643 update_multitap();
644}
645
646void retro_get_system_info(struct retro_system_info *info)
647{
648 memset(info, 0, sizeof(*info));
649 info->library_name = "PCSX-ReARMed";
650#ifndef GIT_VERSION
651#define GIT_VERSION ""
652#endif
653 info->library_version = "r22" GIT_VERSION;
654 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
655 info->need_fullpath = true;
656}
657
658void retro_get_system_av_info(struct retro_system_av_info *info)
659{
660 memset(info, 0, sizeof(*info));
661 info->timing.fps = is_pal_mode ? 50 : 60;
662 info->timing.sample_rate = 44100;
663 info->geometry.base_width = 320;
664 info->geometry.base_height = 240;
665 info->geometry.max_width = VOUT_MAX_WIDTH;
666 info->geometry.max_height = VOUT_MAX_HEIGHT;
667 info->geometry.aspect_ratio = 4.0 / 3.0;
668}
669
670/* savestates */
671size_t retro_serialize_size(void)
672{
673 // it's currently 4380651-4397047 bytes,
674 // but have some reserved for future
675 return 0x440000;
676}
677
678struct save_fp {
679 char *buf;
680 size_t pos;
681 int is_write;
682};
683
684static void *save_open(const char *name, const char *mode)
685{
686 struct save_fp *fp;
687
688 if (name == NULL || mode == NULL)
689 return NULL;
690
691 fp = malloc(sizeof(*fp));
692 if (fp == NULL)
693 return NULL;
694
695 fp->buf = (char *)name;
696 fp->pos = 0;
697 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
698
699 return fp;
700}
701
702static int save_read(void *file, void *buf, u32 len)
703{
704 struct save_fp *fp = file;
705 if (fp == NULL || buf == NULL)
706 return -1;
707
708 memcpy(buf, fp->buf + fp->pos, len);
709 fp->pos += len;
710 return len;
711}
712
713static int save_write(void *file, const void *buf, u32 len)
714{
715 struct save_fp *fp = file;
716 if (fp == NULL || buf == NULL)
717 return -1;
718
719 memcpy(fp->buf + fp->pos, buf, len);
720 fp->pos += len;
721 return len;
722}
723
724static long save_seek(void *file, long offs, int whence)
725{
726 struct save_fp *fp = file;
727 if (fp == NULL)
728 return -1;
729
730 switch (whence) {
731 case SEEK_CUR:
732 fp->pos += offs;
733 return fp->pos;
734 case SEEK_SET:
735 fp->pos = offs;
736 return fp->pos;
737 default:
738 return -1;
739 }
740}
741
742static void save_close(void *file)
743{
744 struct save_fp *fp = file;
745 size_t r_size = retro_serialize_size();
746 if (fp == NULL)
747 return;
748
749 if (fp->pos > r_size)
750 SysPrintf("ERROR: save buffer overflow detected\n");
751 else if (fp->is_write && fp->pos < r_size)
752 // make sure we don't save trash in leftover space
753 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
754 free(fp);
755}
756
757bool retro_serialize(void *data, size_t size)
758{
759 int ret = SaveState(data);
760 return ret == 0 ? true : false;
761}
762
763bool retro_unserialize(const void *data, size_t size)
764{
765 int ret = LoadState(data);
766 return ret == 0 ? true : false;
767}
768
769/* cheats */
770void retro_cheat_reset(void)
771{
772 ClearAllCheats();
773}
774
775void retro_cheat_set(unsigned index, bool enabled, const char *code)
776{
777 char buf[256];
778 int ret;
779
780 // cheat funcs are destructive, need a copy..
781 strncpy(buf, code, sizeof(buf));
782 buf[sizeof(buf) - 1] = 0;
783
784 //Prepare buffered cheat for PCSX's AddCheat fucntion.
785 int cursor=0;
786 int nonhexdec=0;
787 while (buf[cursor]){
788 if (!(ISHEXDEC)){
789 if (++nonhexdec%2){
790 buf[cursor]=' ';
791 } else {
792 buf[cursor]='\n';
793 }
794 }
795 cursor++;
796 }
797
798
799 if (index < NumCheats)
800 ret = EditCheat(index, "", buf);
801 else
802 ret = AddCheat("", buf);
803
804 if (ret != 0)
805 SysPrintf("Failed to set cheat %#u\n", index);
806 else if (index < NumCheats)
807 Cheats[index].Enabled = enabled;
808}
809
810/* multidisk support */
811static bool disk_ejected;
812static unsigned int disk_current_index;
813static unsigned int disk_count;
814static struct disks_state {
815 char *fname;
816 int internal_index; // for multidisk eboots
817} disks[8];
818
819static bool disk_set_eject_state(bool ejected)
820{
821 // weird PCSX API..
822 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
823 LidInterrupt();
824
825 disk_ejected = ejected;
826 return true;
827}
828
829static bool disk_get_eject_state(void)
830{
831 /* can't be controlled by emulated software */
832 return disk_ejected;
833}
834
835static unsigned int disk_get_image_index(void)
836{
837 return disk_current_index;
838}
839
840static bool disk_set_image_index(unsigned int index)
841{
842 if (index >= sizeof(disks) / sizeof(disks[0]))
843 return false;
844
845 CdromId[0] = '\0';
846 CdromLabel[0] = '\0';
847
848 if (disks[index].fname == NULL) {
849 SysPrintf("missing disk #%u\n", index);
850 CDR_shutdown();
851
852 // RetroArch specifies "no disk" with index == count,
853 // so don't fail here..
854 disk_current_index = index;
855 return true;
856 }
857
858 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
859 disks[index].fname, disks[index].internal_index);
860
861 cdrIsoMultidiskSelect = disks[index].internal_index;
862 set_cd_image(disks[index].fname);
863 if (ReloadCdromPlugin() < 0) {
864 SysPrintf("failed to load cdr plugin\n");
865 return false;
866 }
867 if (CDR_open() < 0) {
868 SysPrintf("failed to open cdr plugin\n");
869 return false;
870 }
871
872 if (!disk_ejected) {
873 SetCdOpenCaseTime(time(NULL) + 2);
874 LidInterrupt();
875 }
876
877 disk_current_index = index;
878 return true;
879}
880
881static unsigned int disk_get_num_images(void)
882{
883 return disk_count;
884}
885
886static bool disk_replace_image_index(unsigned index,
887 const struct retro_game_info *info)
888{
889 char *old_fname;
890 bool ret = true;
891
892 if (index >= sizeof(disks) / sizeof(disks[0]))
893 return false;
894
895 old_fname = disks[index].fname;
896 disks[index].fname = NULL;
897 disks[index].internal_index = 0;
898
899 if (info != NULL) {
900 disks[index].fname = strdup(info->path);
901 if (index == disk_current_index)
902 ret = disk_set_image_index(index);
903 }
904
905 if (old_fname != NULL)
906 free(old_fname);
907
908 return ret;
909}
910
911static bool disk_add_image_index(void)
912{
913 if (disk_count >= 8)
914 return false;
915
916 disk_count++;
917 return true;
918}
919
920static struct retro_disk_control_callback disk_control = {
921 .set_eject_state = disk_set_eject_state,
922 .get_eject_state = disk_get_eject_state,
923 .get_image_index = disk_get_image_index,
924 .set_image_index = disk_set_image_index,
925 .get_num_images = disk_get_num_images,
926 .replace_image_index = disk_replace_image_index,
927 .add_image_index = disk_add_image_index,
928};
929
930// just in case, maybe a win-rt port in the future?
931#ifdef _WIN32
932#define SLASH '\\'
933#else
934#define SLASH '/'
935#endif
936
937#ifndef PATH_MAX
938#define PATH_MAX 4096
939#endif
940
941static char base_dir[PATH_MAX];
942
943static bool read_m3u(const char *file)
944{
945 char line[PATH_MAX];
946 char name[PATH_MAX];
947 FILE *f = fopen(file, "r");
948 if (!f)
949 return false;
950
951 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
952 if (line[0] == '#')
953 continue;
954 char *carrige_return = strchr(line, '\r');
955 if (carrige_return)
956 *carrige_return = '\0';
957 char *newline = strchr(line, '\n');
958 if (newline)
959 *newline = '\0';
960
961 if (line[0] != '\0')
962 {
963 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
964 disks[disk_count++].fname = strdup(name);
965 }
966 }
967
968 fclose(f);
969 return (disk_count != 0);
970}
971
972static void extract_directory(char *buf, const char *path, size_t size)
973{
974 char *base;
975 strncpy(buf, path, size - 1);
976 buf[size - 1] = '\0';
977
978 base = strrchr(buf, '/');
979 if (!base)
980 base = strrchr(buf, '\\');
981
982 if (base)
983 *base = '\0';
984 else
985 {
986 buf[0] = '.';
987 buf[1] = '\0';
988 }
989}
990
991#if defined(__QNX__) || defined(_WIN32)
992/* Blackberry QNX doesn't have strcasestr */
993
994/*
995 * Find the first occurrence of find in s, ignore case.
996 */
997char *
998strcasestr(const char *s, const char*find)
999{
1000 char c, sc;
1001 size_t len;
1002
1003 if ((c = *find++) != 0) {
1004 c = tolower((unsigned char)c);
1005 len = strlen(find);
1006 do {
1007 do {
1008 if ((sc = *s++) == 0)
1009 return (NULL);
1010 } while ((char)tolower((unsigned char)sc) != c);
1011 } while (strncasecmp(s, find, len) != 0);
1012 s--;
1013 }
1014 return ((char *)s);
1015}
1016#endif
1017
1018bool retro_load_game(const struct retro_game_info *info)
1019{
1020 size_t i;
1021 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1022
1023 struct retro_input_descriptor desc[] = {
1024 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1025 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1026 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1027 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1028 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1029 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1030 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1031 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1032 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1033 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1034 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1035 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1036 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1037 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1038 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1039 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1040 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1041 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1042 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1043 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1044
1045
1046 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1047 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1048 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1049 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1050 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1051 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1052 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1053 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1054 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1055 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1056 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1057 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1058 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1059 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1060 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1061 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1062 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1063 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1064 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1065 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1066
1067 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1068 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1069 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1070 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1071 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1072 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1073 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1074 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1075 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1076 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1077 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1078 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1079 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1080 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1081 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1082 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1083 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1084 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1085 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1086 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1087
1088 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1089 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1090 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1091 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1092 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1093 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1094 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1095 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1096 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1097 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1098 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1099 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1100 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1101 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1102 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1103 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1104 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1105 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1106 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1107 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1108
1109 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1110 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1111 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1112 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1113 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1114 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1115 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1116 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1117 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1118 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1119 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1120 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1121 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1122 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1123 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1124 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1125 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1126 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1127 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1128 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1129
1130 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1131 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1132 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1133 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1134 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1135 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1136 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1137 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1138 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1139 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1140 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1141 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1142 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1143 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1144 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1145 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1146 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1147 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1148 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1149 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1150
1151 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1152 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1153 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1154 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1155 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1156 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1157 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1158 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1159 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1160 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1161 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1162 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1163 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1164 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1165 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1166 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1167 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1168 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1169 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1170 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1171
1172 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1173 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1174 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1175 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1176 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1177 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1178 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1179 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1180 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1181 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1182 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1183 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1184 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1185 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1186 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1187 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
1188 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1189 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1190 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1191 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1192
1193 { 0 },
1194 };
1195
1196 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1197
1198#ifdef FRONTEND_SUPPORTS_RGB565
1199 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1200 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
1201 SysPrintf("RGB565 supported, using it\n");
1202 }
1203#endif
1204
1205 if (info == NULL || info->path == NULL) {
1206 SysPrintf("info->path required\n");
1207 return false;
1208 }
1209
1210 if (plugins_opened) {
1211 ClosePlugins();
1212 plugins_opened = 0;
1213 }
1214
1215 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1216 if (disks[i].fname != NULL) {
1217 free(disks[i].fname);
1218 disks[i].fname = NULL;
1219 }
1220 disks[i].internal_index = 0;
1221 }
1222
1223 disk_current_index = 0;
1224 extract_directory(base_dir, info->path, sizeof(base_dir));
1225
1226 if (is_m3u) {
1227 if (!read_m3u(info->path)) {
1228 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1229 return false;
1230 }
1231 } else {
1232 disk_count = 1;
1233 disks[0].fname = strdup(info->path);
1234 }
1235
1236 set_cd_image(disks[0].fname);
1237
1238 /* have to reload after set_cd_image for correct cdr plugin */
1239 if (LoadPlugins() == -1) {
1240 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1241 return false;
1242 }
1243
1244 plugins_opened = 1;
1245 NetOpened = 0;
1246
1247 if (OpenPlugins() == -1) {
1248 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1249 return false;
1250 }
1251
1252 plugin_call_rearmed_cbs();
1253 dfinput_activate();
1254
1255 if (CheckCdrom() == -1) {
1256 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1257 return false;
1258 }
1259
1260 SysReset();
1261
1262 if (LoadCdrom() == -1) {
1263 log_cb(RETRO_LOG_INFO, "could not load CD\n");
1264 return false;
1265 }
1266 emu_on_new_cd(0);
1267
1268 // multidisk images
1269 if (!is_m3u) {
1270 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
1271 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1272 disks[i].fname = strdup(info->path);
1273 disks[i].internal_index = i;
1274 }
1275 }
1276
1277 return true;
1278}
1279
1280unsigned retro_get_region(void)
1281{
1282 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
1283}
1284
1285void *retro_get_memory_data(unsigned id)
1286{
1287 if (id == RETRO_MEMORY_SAVE_RAM)
1288 return Mcd1Data;
1289 else
1290 return NULL;
1291}
1292
1293size_t retro_get_memory_size(unsigned id)
1294{
1295 if (id == RETRO_MEMORY_SAVE_RAM)
1296 return MCD_SIZE;
1297 else
1298 return 0;
1299}
1300
1301void retro_reset(void)
1302{
1303 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1304 rebootemu = 1;
1305 //SysReset();
1306}
1307
1308static const unsigned short retro_psx_map[] = {
1309 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1310 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1311 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1312 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1313 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1314 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1315 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1316 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1317 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1318 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1319 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1320 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1321 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1322 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1323 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1324 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1325};
1326#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1327
1328static void update_variables(bool in_flight)
1329{
1330 struct retro_variable var;
1331 int i;
1332
1333 var.value = NULL;
1334 var.key = "pcsx_rearmed_frameskip";
1335 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1336 pl_rearmed_cbs.frameskip = atoi(var.value);
1337
1338 var.value = NULL;
1339 var.key = "pcsx_rearmed_region";
1340 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1341 {
1342 Config.PsxAuto = 0;
1343 if (strcmp(var.value, "auto") == 0)
1344 Config.PsxAuto = 1;
1345 else if (strcmp(var.value, "NTSC") == 0)
1346 Config.PsxType = 0;
1347 else if (strcmp(var.value, "PAL") == 0)
1348 Config.PsxType = 1;
1349 }
1350
1351 for (i = 0; i < PORTS_NUMBER; i++)
1352 update_controller_port_variable(i);
1353
1354 update_multitap();
1355
1356 var.value = NULL;
1357 var.key = "pcsx_rearmed_vibration";
1358
1359 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1360 {
1361 if (strcmp(var.value, "disabled") == 0)
1362 in_enable_vibration = 0;
1363 else if (strcmp(var.value, "enabled") == 0)
1364 in_enable_vibration = 1;
1365 }
1366
1367 var.value = NULL;
1368 var.key = "pcsx_rearmed_dithering";
1369
1370 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1371 {
1372 if (strcmp(var.value, "disabled") == 0) {
1373 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1374 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1375#ifdef __ARM_NEON__
1376 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1377#endif
1378 }
1379 else if (strcmp(var.value, "enabled") == 0) {
1380 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1381 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1382#ifdef __ARM_NEON__
1383 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1384#endif
1385 }
1386 }
1387
1388#ifdef __ARM_NEON__
1389 var.value = "NULL";
1390 var.key = "pcsx_rearmed_neon_interlace_enable";
1391
1392 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1393 {
1394 if (strcmp(var.value, "disabled") == 0)
1395 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1396 else if (strcmp(var.value, "enabled") == 0)
1397 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1398 }
1399
1400 var.value = NULL;
1401 var.key = "pcsx_rearmed_neon_enhancement_enable";
1402
1403 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1404 {
1405 if (strcmp(var.value, "disabled") == 0)
1406 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1407 else if (strcmp(var.value, "enabled") == 0)
1408 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1409 }
1410
1411 var.value = NULL;
1412 var.key = "pcsx_rearmed_neon_enhancement_no_main";
1413
1414 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1415 {
1416 if (strcmp(var.value, "disabled") == 0)
1417 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1418 else if (strcmp(var.value, "enabled") == 0)
1419 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1420 }
1421#endif
1422
1423 var.value = "NULL";
1424 var.key = "pcsx_rearmed_duping_enable";
1425
1426 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1427 {
1428 if (strcmp(var.value, "disabled") == 0)
1429 duping_enable = false;
1430 else if (strcmp(var.value, "enabled") == 0)
1431 duping_enable = true;
1432 }
1433
1434#ifndef DRC_DISABLE
1435 var.value = NULL;
1436 var.key = "pcsx_rearmed_drc";
1437
1438 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1439 {
1440 R3000Acpu *prev_cpu = psxCpu;
1441
1442#ifdef _3DS
1443 if(!__ctr_svchax)
1444 Config.Cpu = CPU_INTERPRETER;
1445 else
1446#endif
1447 if (strcmp(var.value, "disabled") == 0)
1448 Config.Cpu = CPU_INTERPRETER;
1449 else if (strcmp(var.value, "enabled") == 0)
1450 Config.Cpu = CPU_DYNAREC;
1451
1452 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1453 if (psxCpu != prev_cpu) {
1454 prev_cpu->Shutdown();
1455 psxCpu->Init();
1456 psxCpu->Reset(); // not really a reset..
1457 }
1458 }
1459#endif
1460
1461 var.value = "NULL";
1462 var.key = "pcsx_rearmed_spu_reverb";
1463
1464 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1465 {
1466 if (strcmp(var.value, "disabled") == 0)
1467 spu_config.iUseReverb = false;
1468 else if (strcmp(var.value, "enabled") == 0)
1469 spu_config.iUseReverb = true;
1470 }
1471
1472 var.value = "NULL";
1473 var.key = "pcsx_rearmed_spu_interpolation";
1474
1475 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1476 {
1477 if (strcmp(var.value, "simple") == 0)
1478 spu_config.iUseInterpolation = 1;
1479 else if (strcmp(var.value, "gaussian") == 0)
1480 spu_config.iUseInterpolation = 2;
1481 else if (strcmp(var.value, "cubic") == 0)
1482 spu_config.iUseInterpolation = 3;
1483 else if (strcmp(var.value, "off") == 0)
1484 spu_config.iUseInterpolation = 0;
1485 }
1486
1487 var.value = "NULL";
1488 var.key = "pcsx_rearmed_pe2_fix";
1489
1490 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1491 {
1492 if (strcmp(var.value, "disabled") == 0)
1493 Config.RCntFix = 0;
1494 else if (strcmp(var.value, "enabled") == 0)
1495 Config.RCntFix = 1;
1496 }
1497
1498 var.value = "NULL";
1499 var.key = "pcsx_rearmed_inuyasha_fix";
1500
1501 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1502 {
1503 if (strcmp(var.value, "disabled") == 0)
1504 Config.VSyncWA = 0;
1505 else if (strcmp(var.value, "enabled") == 0)
1506 Config.VSyncWA = 1;
1507 }
1508
1509 if (in_flight) {
1510 // inform core things about possible config changes
1511 plugin_call_rearmed_cbs();
1512
1513 if (GPU_open != NULL && GPU_close != NULL) {
1514 GPU_close();
1515 GPU_open(&gpuDisp, "PCSX", NULL);
1516 }
1517
1518 dfinput_activate();
1519 }
1520 else{
1521 //not yet running
1522
1523 //bootlogo display hack
1524 if (found_bios) {
1525 var.value = "NULL";
1526 var.key = "pcsx_rearmed_show_bios_bootlogo";
1527 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1528 {
1529 if (strcmp(var.value, "enabled") == 0)
1530 rebootemu = 1;
1531 }
1532 }
1533 }
1534}
1535
1536void retro_run(void)
1537{
1538 int i;
1539 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1540 if(rebootemu != 0){
1541 rebootemu = 0;
1542 SysReset();
1543 }
1544
1545 input_poll_cb();
1546
1547 bool updated = false;
1548 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1549 update_variables(true);
1550
1551 // reset all keystate, query libretro for keystate
1552 int j;
1553 for(i = 0; i < PORTS_NUMBER; i++) {
1554 in_keystate[i] = 0;
1555
1556 if (in_type[i] == PSE_PAD_TYPE_NONE)
1557 continue;
1558
1559 // query libretro for keystate
1560 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
1561 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1562 in_keystate[i] |= retro_psx_map[j];
1563
1564 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1565 {
1566 in_analog_left[i][0] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
1567 in_analog_left[i][1] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
1568 in_analog_right[i][0] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
1569 in_analog_right[i][1] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
1570 }
1571 }
1572
1573 stop = 0;
1574 psxCpu->Execute();
1575
1576 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
1577 vout_width, vout_height, vout_width * 2);
1578 vout_fb_dirty = 0;
1579}
1580
1581static bool try_use_bios(const char *path)
1582{
1583 FILE *f;
1584 long size;
1585 const char *name;
1586
1587 f = fopen(path, "rb");
1588 if (f == NULL)
1589 return false;
1590
1591 fseek(f, 0, SEEK_END);
1592 size = ftell(f);
1593 fclose(f);
1594
1595 if (size != 512 * 1024)
1596 return false;
1597
1598 name = strrchr(path, SLASH);
1599 if (name++ == NULL)
1600 name = path;
1601 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1602 return true;
1603}
1604
1605#ifndef VITA
1606#include <sys/types.h>
1607#include <dirent.h>
1608
1609static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1610{
1611 DIR *dir;
1612 struct dirent *ent;
1613 bool ret = false;
1614
1615 dir = opendir(dirpath);
1616 if (dir == NULL)
1617 return false;
1618
1619 while ((ent = readdir(dir))) {
1620 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1621 continue;
1622
1623 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1624 ret = try_use_bios(path);
1625 if (ret)
1626 break;
1627 }
1628 closedir(dir);
1629 return ret;
1630}
1631#else
1632#define find_any_bios(...) false
1633#endif
1634
1635static void check_system_specs(void)
1636{
1637 unsigned level = 6;
1638 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1639}
1640
1641static int init_memcards(void)
1642{
1643 int ret = 0;
1644 const char *dir;
1645 struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
1646 static const char CARD2_FILE[] = "pcsx-card2.mcd";
1647
1648 McdDisable[0] = 0;
1649 // Disable memcard 2 by default
1650 McdDisable[1] = 1;
1651 init_memcard(Mcd1Data);
1652 // Memcard 2 is managed by the emulator on the filesystem,
1653 // There is no need to initialize Mcd2Data like Mcd1Data.
1654
1655 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
1656 SysPrintf("Memcard 2: %s\n", var.value);
1657 if (memcmp(var.value, "enabled", 7) == 0) {
1658 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
1659 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
1660 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
1661 ret = -1;
1662 } else {
1663 McdDisable[1] = 0;
1664 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
1665 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
1666 }
1667 } else {
1668 SysPrintf("Could not get save directory! Could not create memcard 2.");
1669 ret = -1;
1670 }
1671 }
1672 }
1673 return ret;
1674}
1675
1676void retro_init(void)
1677{
1678 const char *bios[] = { "SCPH101", "SCPH7001", "SCPH5501", "SCPH1001" };
1679 const char *dir;
1680 char path[256];
1681 int i, ret;
1682
1683 found_bios = false;
1684
1685#ifdef __MACH__
1686 // magic sauce to make the dynarec work on iOS
1687 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1688#endif
1689
1690#ifdef _3DS
1691 psxMapHook = pl_3ds_mmap;
1692 psxUnmapHook = pl_3ds_munmap;
1693#endif
1694#ifdef VITA
1695 if(init_vita_mmap()<0)
1696 abort();
1697 psxMapHook = pl_vita_mmap;
1698 psxUnmapHook = pl_vita_munmap;
1699#endif
1700 ret = emu_core_preinit();
1701#ifdef _3DS
1702 /* emu_core_preinit sets the cpu to dynarec */
1703 if(!__ctr_svchax)
1704 Config.Cpu = CPU_INTERPRETER;
1705#endif
1706 ret |= init_memcards();
1707
1708 ret |= emu_core_init();
1709 if (ret != 0) {
1710 SysPrintf("PCSX init failed.\n");
1711 exit(1);
1712 }
1713
1714#ifdef _3DS
1715 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1716#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
1717 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1718#else
1719 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1720#endif
1721
1722 vout_buf_ptr = vout_buf;
1723
1724 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1725 {
1726 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
1727
1728 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1729 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
1730 found_bios = try_use_bios(path);
1731 if (found_bios)
1732 break;
1733 }
1734
1735 if (!found_bios)
1736 found_bios = find_any_bios(dir, path, sizeof(path));
1737 }
1738 if (found_bios) {
1739 SysPrintf("found BIOS file: %s\n", Config.Bios);
1740 }
1741 else
1742 {
1743 SysPrintf("no BIOS files found.\n");
1744 struct retro_message msg =
1745 {
1746 "No PlayStation BIOS file found - add for better compatibility",
1747 180
1748 };
1749 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1750 }
1751
1752 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
1753 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
1754 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1755
1756 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1757 * we have to do this because cache misses and some IO penalties
1758 * are not emulated. Warning: changing this may break compatibility. */
1759 cycle_multiplier = 175;
1760#ifdef HAVE_PRE_ARMV7
1761 cycle_multiplier = 200;
1762#endif
1763 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1764 spu_config.iUseFixedUpdates = 1;
1765
1766 SaveFuncs.open = save_open;
1767 SaveFuncs.read = save_read;
1768 SaveFuncs.write = save_write;
1769 SaveFuncs.seek = save_seek;
1770 SaveFuncs.close = save_close;
1771
1772 update_variables(false);
1773 check_system_specs();
1774}
1775
1776void retro_deinit(void)
1777{
1778 SysClose();
1779#ifdef _3DS
1780 linearFree(vout_buf);
1781#else
1782 free(vout_buf);
1783#endif
1784 vout_buf = NULL;
1785
1786#ifdef VITA
1787 deinit_vita_mmap();
1788#endif
1789}
1790
1791#ifdef VITA
1792#include <psp2/kernel/threadmgr.h>
1793int usleep (unsigned long us)
1794{
1795 sceKernelDelayThread(us);
1796}
1797#endif
ARM optimized PCSX fork