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Merge pull request #94 from meepingsnesroms/master
[pcsx_rearmed.git] / frontend / libretro.c
CommitLineData
38c2028e 1/*
003cfc63 2 * (C) notaz, 2012,2014,2015
38c2028e 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
805fe9bc 8#define _GNU_SOURCE 1 // strcasestr
38c2028e 9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
74ebc05b 12#include <strings.h>
d148d265 13#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
38c2028e 17
18#include "../libpcsxcore/misc.h"
19#include "../libpcsxcore/psxcounters.h"
87e5b45f 20#include "../libpcsxcore/psxmem_map.h"
38c2028e 21#include "../libpcsxcore/new_dynarec/new_dynarec.h"
23ea11bd 22#include "../libpcsxcore/cdrom.h"
23#include "../libpcsxcore/cdriso.h"
6e921e1d 24#include "../libpcsxcore/cheat.h"
07c13dfd 25#include "../plugins/dfsound/out.h"
01394a7f 26#include "../plugins/dfsound/spu_config.h"
805fe9bc 27#include "../plugins/dfinput/externals.h"
c82f907a 28#include "cspace.h"
38c2028e 29#include "main.h"
30#include "plugin.h"
31#include "plugin_lib.h"
ace14ab3 32#include "arm_features.h"
38c2028e 33#include "revision.h"
34#include "libretro.h"
35
fc99395c 36#ifdef _3DS
fc99395c 37#include "3ds/3ds_utils.h"
fc99395c 38#endif
39
8136cafb
AP		 40#define PORTS_NUMBER 8
41
726da67c 42//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
43int rebootemu = 0;
44
38c2028e 45static retro_video_refresh_t video_cb;
46static retro_input_poll_t input_poll_cb;
47static retro_input_state_t input_state_cb;
48static retro_environment_t environ_cb;
49static retro_audio_sample_batch_t audio_batch_cb;
4e477065 50static struct retro_rumble_interface rumble;
38c2028e 51
52static void *vout_buf;
65a0505f 53static void * vout_buf_ptr;
70d56ca3 54static int vout_width, vout_height;
55static int vout_doffs_old, vout_fb_dirty;
1a6164a1 56static bool vout_can_dupe;
0e5a7b7d 57static bool duping_enable;
70d56ca3 58
38c2028e 59static int plugins_opened;
17f84149 60static int is_pal_mode;
38c2028e 61
f9f60dae
TK		 62/* memory card data */
63extern char Mcd1Data[MCD_SIZE];
64extern char McdDisable[2];
38c2028e 65
66/* PCSX ReARMed core calls and stuff */
15504ca8
AP		 67int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
68 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
69 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
70 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
61c4962a 71int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
72int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
3c0fb554 73unsigned short in_keystate[PORTS_NUMBER];
29f3675b 74int multitap1 = 0;
75int multitap2 = 0;
4e477065 76int in_enable_vibration = 1;
38c2028e 77
805fe9bc 78/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
79#define VOUT_MAX_WIDTH 1024
80#define VOUT_MAX_HEIGHT 512
81
7df396ea
TK		 82static void init_memcard(char *mcd_data)
83{
84 unsigned off = 0;
85 unsigned i;
86
87 memset(mcd_data, 0, MCD_SIZE);
88
89 mcd_data[off++] = 'M';
90 mcd_data[off++] = 'C';
91 off += 0x7d;
92 mcd_data[off++] = 0x0e;
93
94 for (i = 0; i < 15; i++) {
95 mcd_data[off++] = 0xa0;
96 off += 0x07;
97 mcd_data[off++] = 0xff;
98 mcd_data[off++] = 0xff;
99 off += 0x75;
100 mcd_data[off++] = 0xa0;
101 }
102
103 for (i = 0; i < 20; i++) {
104 mcd_data[off++] = 0xff;
105 mcd_data[off++] = 0xff;
106 mcd_data[off++] = 0xff;
107 mcd_data[off++] = 0xff;
108 off += 0x04;
109 mcd_data[off++] = 0xff;
110 mcd_data[off++] = 0xff;
111 off += 0x76;
112 }
113}
114
38c2028e 115static int vout_open(void)
116{
117 return 0;
118}
119
e4c83ca6 120static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
38c2028e 121{
70d56ca3 122 vout_width = w;
123 vout_height = h;
6558949c
FJGG		 124
125 struct retro_framebuffer fb = {0};
126
127 fb.width = vout_width;
128 fb.height = vout_height;
129 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
130
131 vout_buf_ptr = vout_buf;
132
133 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
134 {
135 vout_buf_ptr = (uint16_t*)fb.data;
136 }
137
38c2028e 138}
139
cc4f9b70 140#ifndef FRONTEND_SUPPORTS_RGB565
9c59f120 141static void convert(void *buf, size_t bytes)
38c2028e 142{
143 unsigned int i, v, *p = buf;
144
9c59f120 145 for (i = 0; i < bytes / 4; i++) {
38c2028e 146 v = p[i];
147 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
148 }
149}
46aa5b98 150#endif
38c2028e 151
fa56d360 152static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
38c2028e 153{
65a0505f 154 unsigned short *dest = vout_buf_ptr;
fa56d360 155 const unsigned short *src = vram;
70d56ca3 156 int dstride = vout_width, h1 = h;
157 int doffs;
38c2028e 158
fa56d360 159 if (vram == NULL) {
160 // blanking
65a0505f 161 memset(vout_buf_ptr, 0, dstride * h * 2);
fa56d360 162 goto out;
163 }
164
70d56ca3 165 doffs = (vout_height - h) * dstride;
166 doffs += (dstride - w) / 2 & ~1;
167 if (doffs != vout_doffs_old) {
168 // clear borders
65a0505f 169 memset(vout_buf_ptr, 0, dstride * h * 2);
70d56ca3 170 vout_doffs_old = doffs;
171 }
172 dest += doffs;
173
fa56d360 174 if (bgr24)
175 {
176 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
177 for (; h1-- > 0; dest += dstride, src += stride)
178 {
179 bgr888_to_rgb565(dest, src, w * 3);
180 }
181 }
182 else
183 {
184 for (; h1-- > 0; dest += dstride, src += stride)
185 {
186 bgr555_to_rgb565(dest, src, w * 2);
187 }
188 }
38c2028e 189
fa56d360 190out:
46aa5b98 191#ifndef FRONTEND_SUPPORTS_RGB565
65a0505f 192 convert(vout_buf_ptr, vout_width * vout_height * 2);
46aa5b98 193#endif
70d56ca3 194 vout_fb_dirty = 1;
fa56d360 195 pl_rearmed_cbs.flip_cnt++;
38c2028e 196}
197
198static void vout_close(void)
199{
200}
201
fc99395c 202#ifdef _3DS
203typedef struct
204{
205 void* buffer;
206 uint32_t target_map;
207 size_t size;
208 enum psxMapTag tag;
209}psx_map_t;
210
211psx_map_t custom_psx_maps[] = {
212 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
213 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
214 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
215 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
216 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
217};
218
219void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
220 enum psxMapTag tag)
221{
222 (void)is_fixed;
223 (void)addr;
224
f72db18e 225 if (__ctr_svchax)
fc99395c 226 {
227 psx_map_t* custom_map = custom_psx_maps;
228
229 for (; custom_map->size; custom_map++)
230 {
231 if ((custom_map->size == size) && (custom_map->tag == tag))
232 {
233 uint32_t ptr_aligned, tmp;
234
235 custom_map->buffer = malloc(size + 0x1000);
236 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
237
f72db18e 238 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
fc99395c 239 {
240 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
241 exit(1);
242 }
243
244 return (void*)custom_map->target_map;
245 }
246 }
247 }
248
249 return malloc(size);
250}
251
252void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
cc56203b 253{
fc99395c 254 (void)tag;
255
f72db18e 256 if (__ctr_svchax)
fc99395c 257 {
258 psx_map_t* custom_map = custom_psx_maps;
259
260 for (; custom_map->size; custom_map++)
261 {
262 if ((custom_map->target_map == (uint32_t)ptr))
263 {
264 uint32_t ptr_aligned, tmp;
265
266 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
267
f72db18e 268 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
fc99395c 269
270 free(custom_map->buffer);
271 custom_map->buffer = NULL;
272 return;
273 }
274 }
275 }
276
277 free(ptr);
278}
279#endif
280
1a5fd794 281#ifdef VITA
282typedef struct
283{
284 void* buffer;
285 uint32_t target_map;
286 size_t size;
287 enum psxMapTag tag;
288}psx_map_t;
289
73081f23
FJGG		 290void* addr = NULL;
291
1a5fd794 292psx_map_t custom_psx_maps[] = {
293 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
294 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
295 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
296 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
297 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
298};
299
73081f23
FJGG		 300int init_vita_mmap(){
301 int n;
848b806c 302 void * tmpaddr;
73081f23
FJGG		 303 addr = malloc(64*1024*1024);
304 if(addr==NULL)
305 return -1;
848b806c
FJGG		 306 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
307 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
308 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
309 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
310 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
311 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
73081f23
FJGG		 312#if 0
313 for(n = 0; n < 5; n++){
314 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
315 }
316#endif
317 return 0;
318}
319
320void deinit_vita_mmap(){
321 free(addr);
322}
323
1a5fd794 324void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
325 enum psxMapTag tag)
326{
327 (void)is_fixed;
328 (void)addr;
329
330
331 psx_map_t* custom_map = custom_psx_maps;
332
333 for (; custom_map->size; custom_map++)
334 {
335 if ((custom_map->size == size) && (custom_map->tag == tag))
336 {
1a5fd794 337 return custom_map->buffer;
338 }
339 }
340
341
342 return malloc(size);
343}
344
345void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
346{
347 (void)tag;
348
349 psx_map_t* custom_map = custom_psx_maps;
350
351 for (; custom_map->size; custom_map++)
352 {
353 if ((custom_map->buffer == ptr))
354 {
1a5fd794 355 return;
356 }
357 }
358
359 free(ptr);
360}
361#endif
362
fc99395c 363static void *pl_mmap(unsigned int size)
ace14ab3 364{
87e5b45f 365 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 366}
367
368static void pl_munmap(void *ptr, unsigned int size)
369{
87e5b45f 370 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 371}
372
38c2028e 373struct rearmed_cbs pl_rearmed_cbs = {
374 .pl_vout_open = vout_open,
375 .pl_vout_set_mode = vout_set_mode,
376 .pl_vout_flip = vout_flip,
377 .pl_vout_close = vout_close,
cc56203b 378 .mmap = pl_mmap,
379 .munmap = pl_munmap,
38c2028e 380 /* from psxcounters */
381 .gpu_hcnt = &hSyncCount,
382 .gpu_frame_count = &frame_counter,
383};
384
385void pl_frame_limit(void)
386{
387 /* called once per frame, make psxCpu->Execute() above return */
388 stop = 1;
389}
390
391void pl_timing_prepare(int is_pal)
392{
17f84149 393 is_pal_mode = is_pal;
38c2028e 394}
395
d71c7095 396void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 397{
4e477065 398 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
399 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
38c2028e 400}
401
e4c83ca6 402void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
38c2028e 403{
404}
405
406/* sound calls */
07c13dfd 407static int snd_init(void)
38c2028e 408{
07c13dfd 409 return 0;
38c2028e 410}
411
07c13dfd 412static void snd_finish(void)
38c2028e 413{
414}
415
07c13dfd 416static int snd_busy(void)
38c2028e 417{
db126209 418 return 0;
38c2028e 419}
420
07c13dfd 421static void snd_feed(void *buf, int bytes)
38c2028e 422{
db126209 423 if (audio_batch_cb != NULL)
424 audio_batch_cb(buf, bytes / 4);
38c2028e 425}
426
07c13dfd 427void out_register_libretro(struct out_driver *drv)
428{
429 drv->name = "libretro";
430 drv->init = snd_init;
431 drv->finish = snd_finish;
432 drv->busy = snd_busy;
433 drv->feed = snd_feed;
434}
435
38c2028e 436/* libretro */
e268a47e 437void retro_set_environment(retro_environment_t cb)
438{
e268a47e 439 static const struct retro_variable vars[] = {
4e477065 440 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
441 { "pcsx_rearmed_region", "Region; Auto|NTSC|PAL" },
8c047f6f
AP		 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" },
30d43b8a
AP		 450 { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
451 { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
48f615ba 452#ifndef DRC_DISABLE
4e477065 453 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
48f615ba 454#endif
7d68d030 455#ifdef __ARM_NEON__
55e5626b 456 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
457 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
458 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
7d68d030 459#endif
0e5a7b7d 460 { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
01394a7f 461 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; on|off" },
462 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
b3480be8 463 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
464 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
e268a47e 465 { NULL, NULL },
466 };
467
468 environ_cb = cb;
469
470 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
e268a47e 471}
472
38c2028e 473void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
474void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
475void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
476void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
477void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
478
479unsigned retro_api_version(void)
480{
481 return RETRO_API_VERSION;
482}
483
15504ca8 484static int controller_port_variable(unsigned port, struct retro_variable *var)
8136cafb
AP		 485{
486 if (port >= PORTS_NUMBER)
15504ca8 487 return 0;
8136cafb 488
15504ca8
AP		 489 if (!environ_cb)
490 return 0;
8136cafb 491
15504ca8 492 var->value = NULL;
a06f5a70
AP		 493 switch (port) {
494 case 0:
15504ca8 495 var->key = "pcsx_rearmed_pad1type";
a06f5a70
AP		 496 break;
497 case 1:
15504ca8 498 var->key = "pcsx_rearmed_pad2type";
a06f5a70
AP		 499 break;
500 case 2:
15504ca8 501 var->key = "pcsx_rearmed_pad3type";
a06f5a70
AP		 502 break;
503 case 3:
15504ca8 504 var->key = "pcsx_rearmed_pad4type";
a06f5a70
AP		 505 break;
506 case 4:
15504ca8 507 var->key = "pcsx_rearmed_pad5type";
a06f5a70
AP		 508 break;
509 case 5:
15504ca8 510 var->key = "pcsx_rearmed_pad6type";
a06f5a70
AP		 511 break;
512 case 6:
15504ca8 513 var->key = "pcsx_rearmed_pad7type";
a06f5a70
AP		 514 break;
515 case 7:
15504ca8 516 var->key = "pcsx_rearmed_pad8type";
a06f5a70
AP		 517 break;
518 }
519
15504ca8
AP		 520 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
521}
522
523static void update_controller_port_variable(unsigned port)
524{
525 if (port >= PORTS_NUMBER)
526 return;
527
528 struct retro_variable var;
529
530 if (controller_port_variable(port, &var))
8136cafb 531 {
3c0fb554 532 if (strcmp(var.value, "standard") == 0)
8342a300 533 in_type[port] = PSE_PAD_TYPE_STANDARD;
3c0fb554 534 else if (strcmp(var.value, "analog") == 0)
8342a300 535 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
8136cafb 536 else if (strcmp(var.value, "negcon") == 0)
8342a300 537 in_type[port] = PSE_PAD_TYPE_NEGCON;
8c047f6f 538 else if (strcmp(var.value, "none") == 0)
8342a300 539 in_type[port] = PSE_PAD_TYPE_NONE;
15504ca8 540 // else 'default' case, do nothing
3dc2e39e 541 }
15504ca8 542}
3dc2e39e 543
15504ca8
AP		 544static void update_controller_port_device(unsigned port, unsigned device)
545{
546 if (port >= PORTS_NUMBER)
547 return;
548
549 struct retro_variable var;
550
551 if (!controller_port_variable(port, &var))
552 return;
553
554 if (strcmp(var.value, "default") != 0)
555 return;
556
557 switch (device)
558 {
559 case RETRO_DEVICE_JOYPAD:
560 in_type[port] = PSE_PAD_TYPE_STANDARD;
561 break;
562 case RETRO_DEVICE_ANALOG:
563 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
564 break;
565 case RETRO_DEVICE_MOUSE:
566 in_type[port] = PSE_PAD_TYPE_MOUSE;
567 break;
568 case RETRO_DEVICE_LIGHTGUN:
569 in_type[port] = PSE_PAD_TYPE_GUN;
570 break;
571 case RETRO_DEVICE_NONE:
572 default:
573 in_type[port] = PSE_PAD_TYPE_NONE;
574 }
8136cafb
AP		 575}
576
30d43b8a
AP		 577static void update_multitap()
578{
579 struct retro_variable var;
6cdf212f 580 int auto_case, port;
30d43b8a
AP		 581
582 var.value = NULL;
583 var.key = "pcsx_rearmed_multitap1";
3dc2e39e
AP		 584 auto_case = 0;
585 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
30d43b8a
AP		 586 {
587 if (strcmp(var.value, "enabled") == 0)
588 multitap1 = 1;
589 else if (strcmp(var.value, "disabled") == 0)
590 multitap1 = 0;
591 else // 'auto' case
3dc2e39e
AP		 592 auto_case = 1;
593 }
594 else
15504ca8 595 auto_case = 1;
3dc2e39e
AP		 596
597 if (auto_case)
598 {
599 // If a gamepad is plugged after port 2, we need a first multitap.
600 multitap1 = 0;
6cdf212f 601 for (port = 2; port < PORTS_NUMBER; port++)
3dc2e39e 602 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
30d43b8a
AP		 603 }
604
605 var.value = NULL;
606 var.key = "pcsx_rearmed_multitap2";
3dc2e39e
AP		 607 auto_case = 0;
608 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
30d43b8a
AP		 609 {
610 if (strcmp(var.value, "enabled") == 0)
611 multitap2 = 1;
612 else if (strcmp(var.value, "disabled") == 0)
613 multitap2 = 0;
614 else // 'auto' case
3dc2e39e
AP		 615 auto_case = 1;
616 }
617 else
15504ca8 618 auto_case = 1;
3dc2e39e
AP		 619
620 if (auto_case)
621 {
622 // If a gamepad is plugged after port 4, we need a second multitap.
623 multitap2 = 0;
6cdf212f 624 for (port = 4; port < PORTS_NUMBER; port++)
3dc2e39e 625 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
30d43b8a
AP		 626 }
627}
628
38c2028e 629void retro_set_controller_port_device(unsigned port, unsigned device)
630{
ace14ab3 631 SysPrintf("port %u device %u",port,device);
8c047f6f
AP		 632
633 if (port >= PORTS_NUMBER)
634 return;
635
636 update_controller_port_device(port, device);
637 update_multitap();
38c2028e 638}
639
640void retro_get_system_info(struct retro_system_info *info)
641{
642 memset(info, 0, sizeof(*info));
643 info->library_name = "PCSX-ReARMed";
8fc5171a
GR		 644#ifndef GIT_VERSION
645#define GIT_VERSION ""
646#endif
647 info->library_version = "r22" GIT_VERSION;
9fba39a9 648 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
38c2028e 649 info->need_fullpath = true;
650}
651
652void retro_get_system_av_info(struct retro_system_av_info *info)
653{
654 memset(info, 0, sizeof(*info));
17f84149 655 info->timing.fps = is_pal_mode ? 50 : 60;
38c2028e 656 info->timing.sample_rate = 44100;
657 info->geometry.base_width = 320;
658 info->geometry.base_height = 240;
805fe9bc 659 info->geometry.max_width = VOUT_MAX_WIDTH;
660 info->geometry.max_height = VOUT_MAX_HEIGHT;
38c2028e 661 info->geometry.aspect_ratio = 4.0 / 3.0;
662}
663
6e921e1d 664/* savestates */
ace14ab3 665size_t retro_serialize_size(void)
666{
03f55e6b 667 // it's currently 4380651-4397047 bytes,
668 // but have some reserved for future
669 return 0x440000;
6e921e1d 670}
671
672struct save_fp {
673 char *buf;
674 size_t pos;
675 int is_write;
676};
677
678static void *save_open(const char *name, const char *mode)
679{
680 struct save_fp *fp;
681
682 if (name == NULL || mode == NULL)
683 return NULL;
684
685 fp = malloc(sizeof(*fp));
686 if (fp == NULL)
687 return NULL;
688
689 fp->buf = (char *)name;
690 fp->pos = 0;
691 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
692
693 return fp;
694}
695
696static int save_read(void *file, void *buf, u32 len)
697{
698 struct save_fp *fp = file;
699 if (fp == NULL || buf == NULL)
700 return -1;
701
702 memcpy(buf, fp->buf + fp->pos, len);
703 fp->pos += len;
704 return len;
705}
706
707static int save_write(void *file, const void *buf, u32 len)
708{
709 struct save_fp *fp = file;
710 if (fp == NULL || buf == NULL)
711 return -1;
712
713 memcpy(fp->buf + fp->pos, buf, len);
714 fp->pos += len;
715 return len;
716}
717
718static long save_seek(void *file, long offs, int whence)
719{
720 struct save_fp *fp = file;
721 if (fp == NULL)
722 return -1;
723
724 switch (whence) {
725 case SEEK_CUR:
726 fp->pos += offs;
727 return fp->pos;
728 case SEEK_SET:
729 fp->pos = offs;
730 return fp->pos;
731 default:
732 return -1;
733 }
734}
735
736static void save_close(void *file)
737{
738 struct save_fp *fp = file;
739 size_t r_size = retro_serialize_size();
740 if (fp == NULL)
741 return;
742
743 if (fp->pos > r_size)
744 SysPrintf("ERROR: save buffer overflow detected\n");
745 else if (fp->is_write && fp->pos < r_size)
746 // make sure we don't save trash in leftover space
747 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
748 free(fp);
38c2028e 749}
750
751bool retro_serialize(void *data, size_t size)
ace14ab3 752{
6e921e1d 753 int ret = SaveState(data);
754 return ret == 0 ? true : false;
38c2028e 755}
756
757bool retro_unserialize(const void *data, size_t size)
758{
6e921e1d 759 int ret = LoadState(data);
760 return ret == 0 ? true : false;
38c2028e 761}
762
23ea11bd 763/* cheats */
38c2028e 764void retro_cheat_reset(void)
765{
6e921e1d 766 ClearAllCheats();
38c2028e 767}
768
769void retro_cheat_set(unsigned index, bool enabled, const char *code)
770{
6e921e1d 771 char buf[256];
772 int ret;
773
774 // cheat funcs are destructive, need a copy..
775 strncpy(buf, code, sizeof(buf));
776 buf[sizeof(buf) - 1] = 0;
777
778 if (index < NumCheats)
779 ret = EditCheat(index, "", buf);
780 else
781 ret = AddCheat("", buf);
782
783 if (ret != 0)
784 SysPrintf("Failed to set cheat %#u\n", index);
785 else if (index < NumCheats)
786 Cheats[index].Enabled = enabled;
38c2028e 787}
788
23ea11bd 789/* multidisk support */
790static bool disk_ejected;
791static unsigned int disk_current_index;
51ba7408 792static unsigned int disk_count;
23ea11bd 793static struct disks_state {
794 char *fname;
795 int internal_index; // for multidisk eboots
796} disks[8];
797
798static bool disk_set_eject_state(bool ejected)
799{
800 // weird PCSX API..
801 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
802 LidInterrupt();
803
804 disk_ejected = ejected;
805 return true;
806}
807
808static bool disk_get_eject_state(void)
809{
810 /* can't be controlled by emulated software */
811 return disk_ejected;
812}
813
814static unsigned int disk_get_image_index(void)
815{
816 return disk_current_index;
817}
818
819static bool disk_set_image_index(unsigned int index)
820{
821 if (index >= sizeof(disks) / sizeof(disks[0]))
822 return false;
823
824 CdromId[0] = '\0';
825 CdromLabel[0] = '\0';
826
827 if (disks[index].fname == NULL) {
828 SysPrintf("missing disk #%u\n", index);
829 CDR_shutdown();
830
831 // RetroArch specifies "no disk" with index == count,
832 // so don't fail here..
833 disk_current_index = index;
834 return true;
835 }
836
837 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
838 disks[index].fname, disks[index].internal_index);
839
840 cdrIsoMultidiskSelect = disks[index].internal_index;
841 set_cd_image(disks[index].fname);
842 if (ReloadCdromPlugin() < 0) {
843 SysPrintf("failed to load cdr plugin\n");
844 return false;
845 }
846 if (CDR_open() < 0) {
847 SysPrintf("failed to open cdr plugin\n");
848 return false;
849 }
850
851 if (!disk_ejected) {
852 SetCdOpenCaseTime(time(NULL) + 2);
853 LidInterrupt();
854 }
855
856 disk_current_index = index;
857 return true;
858}
859
860static unsigned int disk_get_num_images(void)
861{
51ba7408 862 return disk_count;
23ea11bd 863}
864
865static bool disk_replace_image_index(unsigned index,
866 const struct retro_game_info *info)
867{
868 char *old_fname;
869 bool ret = true;
870
871 if (index >= sizeof(disks) / sizeof(disks[0]))
872 return false;
873
874 old_fname = disks[index].fname;
875 disks[index].fname = NULL;
876 disks[index].internal_index = 0;
877
878 if (info != NULL) {
879 disks[index].fname = strdup(info->path);
880 if (index == disk_current_index)
881 ret = disk_set_image_index(index);
882 }
883
884 if (old_fname != NULL)
885 free(old_fname);
886
887 return ret;
888}
889
890static bool disk_add_image_index(void)
891{
51ba7408
T		 892 if (disk_count >= 8)
893 return false;
894
895 disk_count++;
23ea11bd 896 return true;
897}
898
899static struct retro_disk_control_callback disk_control = {
900 .set_eject_state = disk_set_eject_state,
901 .get_eject_state = disk_get_eject_state,
902 .get_image_index = disk_get_image_index,
903 .set_image_index = disk_set_image_index,
904 .get_num_images = disk_get_num_images,
905 .replace_image_index = disk_replace_image_index,
906 .add_image_index = disk_add_image_index,
907};
908
9fba39a9
T		 909// just in case, maybe a win-rt port in the future?
910#ifdef _WIN32
911#define SLASH '\\'
912#else
913#define SLASH '/'
914#endif
915
916static char base_dir[PATH_MAX];
917
918static bool read_m3u(const char *file)
919{
920 char line[PATH_MAX];
921 char name[PATH_MAX];
9fba39a9
T		 922 FILE *f = fopen(file, "r");
923 if (!f)
924 return false;
925
51ba7408 926 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
9fba39a9
T		 927 if (line[0] == '#')
928 continue;
929 char *carrige_return = strchr(line, '\r');
930 if (carrige_return)
931 *carrige_return = '\0';
932 char *newline = strchr(line, '\n');
933 if (newline)
934 *newline = '\0';
935
936 if (line[0] != '\0')
937 {
938 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
51ba7408 939 disks[disk_count++].fname = strdup(name);
9fba39a9
T		 940 }
941 }
942
943 fclose(f);
51ba7408 944 return (disk_count != 0);
9fba39a9
T		 945}
946
947static void extract_directory(char *buf, const char *path, size_t size)
948{
949 char *base;
950 strncpy(buf, path, size - 1);
951 buf[size - 1] = '\0';
952
953 base = strrchr(buf, '/');
954 if (!base)
955 base = strrchr(buf, '\\');
956
957 if (base)
958 *base = '\0';
959 else
960 {
961 buf[0] = '.';
962 buf[1] = '\0';
963 }
964}
965
003cfc63 966#if defined(__QNX__) || defined(_WIN32)
41294f4d 967/* Blackberry QNX doesn't have strcasestr */
968
969/*
970 * Find the first occurrence of find in s, ignore case.
971 */
972char *
973strcasestr(const char *s, const char*find)
974{
975 char c, sc;
976 size_t len;
977
978 if ((c = *find++) != 0) {
979 c = tolower((unsigned char)c);
980 len = strlen(find);
981 do {
982 do {
983 if ((sc = *s++) == 0)
984 return (NULL);
985 } while ((char)tolower((unsigned char)sc) != c);
986 } while (strncasecmp(s, find, len) != 0);
987 s--;
988 }
989 return ((char *)s);
990}
991#endif
992
38c2028e 993bool retro_load_game(const struct retro_game_info *info)
994{
23ea11bd 995 size_t i;
9fba39a9
T		 996 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
997
e3f8313f 998 struct retro_input_descriptor desc[] = {
999 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1000 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1001 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1002 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1003 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1004 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1005 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1006 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1007 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1008 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1009 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1010 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1011 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1012 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1013 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1014 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1015 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1016 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1017 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1018 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1019
e3f8313f 1020
1021 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1022 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1023 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1024 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1025 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1026 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1027 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1028 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1029 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1030 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1031 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1032 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1033 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1034 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1035 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1036 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1037 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1038 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1039 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1040 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1041
1042 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1043 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1044 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1045 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1046 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1047 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1048 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1049 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1050 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1051 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1052 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1053 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1054 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1055 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1056 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1057 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1058 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1059 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1060 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1061 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1062
1063 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1064 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1065 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1066 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1067 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1068 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1069 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1070 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1071 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1072 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1073 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1074 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1075 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1076 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1077 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1078 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1079 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1080 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1081 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1082 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1083
1084 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1085 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1086 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1087 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1088 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1089 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1090 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1091 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1092 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1093 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1094 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1095 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1096 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1097 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1098 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1099 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1100 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1101 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1102 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1103 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1104
1105 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1106 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1107 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1108 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1109 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1110 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1111 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1112 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1113 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1114 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1115 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1116 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1117 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1118 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1119 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1120 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1121 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1122 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1123 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1124 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1125
1126 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1127 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1128 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1129 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1130 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1131 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1132 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1133 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1134 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1135 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1136 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1137 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1138 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1139 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1140 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1141 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1142 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1143 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1144 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1145 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1146
1147 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1148 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1149 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1150 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1151 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1152 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1153 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1154 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1155 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1156 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1157 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1158 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1159 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1160 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1161 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1162 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1163 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1164 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1165 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1166 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1167
1168 { 0 },
1169 };
1170
1171 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1172
46aa5b98 1173#ifdef FRONTEND_SUPPORTS_RGB565
c19aba43 1174 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
9f766dbe 1175 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
f29fbd53 1176 SysPrintf("RGB565 supported, using it\n");
c19aba43 1177 }
46aa5b98 1178#endif
c19aba43 1179
23ea11bd 1180 if (info == NULL || info->path == NULL) {
1181 SysPrintf("info->path required\n");
1182 return false;
1183 }
1184
38c2028e 1185 if (plugins_opened) {
1186 ClosePlugins();
1187 plugins_opened = 0;
1188 }
1189
23ea11bd 1190 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1191 if (disks[i].fname != NULL) {
1192 free(disks[i].fname);
1193 disks[i].fname = NULL;
1194 }
1195 disks[i].internal_index = 0;
1196 }
1197
1198 disk_current_index = 0;
9fba39a9
T		 1199 extract_directory(base_dir, info->path, sizeof(base_dir));
1200
1201 if (is_m3u) {
1202 if (!read_m3u(info->path)) {
1203 SysPrintf("failed to read m3u file\n");
1204 return false;
1205 }
51ba7408
T		 1206 } else {
1207 disk_count = 1;
9fba39a9 1208 disks[0].fname = strdup(info->path);
51ba7408 1209 }
23ea11bd 1210
1211 set_cd_image(disks[0].fname);
38c2028e 1212
1213 /* have to reload after set_cd_image for correct cdr plugin */
1214 if (LoadPlugins() == -1) {
f29fbd53 1215 SysPrintf("failed to load plugins\n");
38c2028e 1216 return false;
1217 }
1218
1219 plugins_opened = 1;
1220 NetOpened = 0;
1221
1222 if (OpenPlugins() == -1) {
f29fbd53 1223 SysPrintf("failed to open plugins\n");
38c2028e 1224 return false;
1225 }
1226
1227 plugin_call_rearmed_cbs();
19a784e6 1228 dfinput_activate();
38c2028e 1229
1230 Config.PsxAuto = 1;
1231 if (CheckCdrom() == -1) {
f29fbd53 1232 SysPrintf("unsupported/invalid CD image: %s\n", info->path);
38c2028e 1233 return false;
1234 }
1235
1236 SysReset();
1237
1238 if (LoadCdrom() == -1) {
f29fbd53 1239 SysPrintf("could not load CD-ROM!\n");
38c2028e 1240 return false;
1241 }
79f216e3 1242 emu_on_new_cd(0);
38c2028e 1243
23ea11bd 1244 // multidisk images
9fba39a9 1245 if (!is_m3u) {
51ba7408 1246 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
9fba39a9
T		 1247 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1248 disks[i].fname = strdup(info->path);
1249 disks[i].internal_index = i;
1250 }
23ea11bd 1251 }
1252
38c2028e 1253 return true;
1254}
1255
1256bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
1257{
1258 return false;
1259}
1260
ace14ab3 1261void retro_unload_game(void)
38c2028e 1262{
1263}
1264
1265unsigned retro_get_region(void)
1266{
17f84149 1267 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 1268}
1269
1270void *retro_get_memory_data(unsigned id)
1271{
b40a83db
T		 1272 if (id == RETRO_MEMORY_SAVE_RAM)
1273 return Mcd1Data;
1274 else
1275 return NULL;
38c2028e 1276}
1277
1278size_t retro_get_memory_size(unsigned id)
1279{
b40a83db
T		 1280 if (id == RETRO_MEMORY_SAVE_RAM)
1281 return MCD_SIZE;
1282 else
1283 return 0;
38c2028e 1284}
1285
1286void retro_reset(void)
1287{
726da67c 1288 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1289 rebootemu = 1;
1290 //SysReset();
38c2028e 1291}
1292
1293static const unsigned short retro_psx_map[] = {
1294 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1295 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1296 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1297 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1298 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1299 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1300 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1301 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1302 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1303 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1304 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1305 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1306 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1307 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1308 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1309 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1310};
1311#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1312
805fe9bc 1313static void update_variables(bool in_flight)
e268a47e 1314{
e268a47e 1315 struct retro_variable var;
6cdf212f 1316 int i;
ace14ab3 1317
e268a47e 1318 var.value = NULL;
4e477065 1319 var.key = "pcsx_rearmed_frameskip";
7d68d030 1320 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1321 pl_rearmed_cbs.frameskip = atoi(var.value);
9f5a28d9 1322
1323 var.value = NULL;
4e477065 1324 var.key = "pcsx_rearmed_region";
9f5a28d9 1325 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1326 {
1327 Config.PsxAuto = 0;
1328 if (strcmp(var.value, "Automatic") == 0)
1329 Config.PsxAuto = 1;
1330 else if (strcmp(var.value, "NTSC") == 0)
1331 Config.PsxType = 0;
1332 else if (strcmp(var.value, "PAL") == 0)
1333 Config.PsxType = 1;
1334 }
4615b075 1335
6cdf212f 1336 for (i = 0; i < PORTS_NUMBER; i++)
15504ca8 1337 update_controller_port_variable(i);
61c4962a 1338
30d43b8a 1339 update_multitap();
61c4962a 1340
7d68d030 1341#ifdef __ARM_NEON__
9f5a28d9 1342 var.value = "NULL";
55e5626b 1343 var.key = "pcsx_rearmed_neon_interlace_enable";
9f5a28d9 1344
1345 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1346 {
1347 if (strcmp(var.value, "disabled") == 0)
1348 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1349 else if (strcmp(var.value, "enabled") == 0)
1350 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1351 }
1352
7d68d030 1353 var.value = NULL;
55e5626b 1354 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 1355
1356 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1357 {
1358 if (strcmp(var.value, "disabled") == 0)
1359 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1360 else if (strcmp(var.value, "enabled") == 0)
1361 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1362 }
354329fa 1363
1364 var.value = NULL;
55e5626b 1365 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 1366
1367 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1368 {
1369 if (strcmp(var.value, "disabled") == 0)
1370 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1371 else if (strcmp(var.value, "enabled") == 0)
1372 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1373 }
094ec204 1374#endif
0e5a7b7d 1375
1376 var.value = "NULL";
1377 var.key = "pcsx_rearmed_duping_enable";
1378
1379 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1380 {
1381 if (strcmp(var.value, "off") == 0)
1382 duping_enable = false;
1383 else if (strcmp(var.value, "on") == 0)
1384 duping_enable = true;
1385 }
1386
48f615ba 1387#ifndef DRC_DISABLE
1388 var.value = NULL;
4e477065 1389 var.key = "pcsx_rearmed_drc";
48f615ba 1390
1391 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1392 {
1393 R3000Acpu *prev_cpu = psxCpu;
1394
fc99395c 1395#ifdef _3DS
f72db18e 1396 if(!__ctr_svchax)
fc99395c 1397 Config.Cpu = CPU_INTERPRETER;
1398 else
1399#endif
48f615ba 1400 if (strcmp(var.value, "disabled") == 0)
1401 Config.Cpu = CPU_INTERPRETER;
1402 else if (strcmp(var.value, "enabled") == 0)
1403 Config.Cpu = CPU_DYNAREC;
1404
1405 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1406 if (psxCpu != prev_cpu) {
1407 prev_cpu->Shutdown();
1408 psxCpu->Init();
1409 psxCpu->Reset(); // not really a reset..
1410 }
1411 }
1412#endif
805fe9bc 1413
01394a7f 1414 var.value = "NULL";
1415 var.key = "pcsx_rearmed_spu_reverb";
1416
1417 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1418 {
1419 if (strcmp(var.value, "off") == 0)
1420 spu_config.iUseReverb = false;
1421 else if (strcmp(var.value, "on") == 0)
1422 spu_config.iUseReverb = true;
1423 }
1424
1425 var.value = "NULL";
1426 var.key = "pcsx_rearmed_spu_interpolation";
1427
1428 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1429 {
1430 if (strcmp(var.value, "simple") == 0)
1431 spu_config.iUseInterpolation = 1;
1432 else if (strcmp(var.value, "gaussian") == 0)
1433 spu_config.iUseInterpolation = 2;
1434 else if (strcmp(var.value, "cubic") == 0)
1435 spu_config.iUseInterpolation = 3;
1436 else if (strcmp(var.value, "off") == 0)
1437 spu_config.iUseInterpolation = 0;
1438 }
1439
b3480be8 1440 var.value = "NULL";
1441 var.key = "pcsx_rearmed_pe2_fix";
1442
1443 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1444 {
1445 if (strcmp(var.value, "disabled") == 0)
1446 Config.RCntFix = 0;
1447 else if (strcmp(var.value, "enabled") == 0)
1448 Config.RCntFix = 1;
1449 }
ace14ab3 1450
b3480be8 1451 var.value = "NULL";
1452 var.key = "pcsx_rearmed_inuyasha_fix";
1453
1454 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1455 {
1456 if (strcmp(var.value, "disabled") == 0)
1457 Config.VSyncWA = 0;
1458 else if (strcmp(var.value, "enabled") == 0)
1459 Config.VSyncWA = 1;
1460 }
1461
32ab9e53
TJ		 1462 if (in_flight) {
1463 // inform core things about possible config changes
1464 plugin_call_rearmed_cbs();
805fe9bc 1465
32ab9e53
TJ		 1466 if (GPU_open != NULL && GPU_close != NULL) {
1467 GPU_close();
1468 GPU_open(&gpuDisp, "PCSX", NULL);
1469 }
805fe9bc 1470
32ab9e53
TJ		 1471 dfinput_activate();
1472 }
e268a47e 1473}
1474
ce098e12
NR		 1475static int min(int a, int b)
1476{
1477 return a < b ? a : b;
1478}
1479
ace14ab3 1480void retro_run(void)
38c2028e 1481{
3b1a5e21 1482 int i;
726da67c 1483 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1484 if(rebootemu != 0){
1485 rebootemu = 0;
1486 SysReset();
1487 }
38c2028e 1488
1489 input_poll_cb();
e268a47e 1490
805fe9bc 1491 bool updated = false;
1492 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1493 update_variables(true);
e268a47e 1494
3b1a5e21 1495 // reset all keystate, query libretro for keystate
61c4962a 1496 int j;
3c0fb554 1497 for(i = 0; i < PORTS_NUMBER; i++) {
61c4962a 1498 in_keystate[i] = 0;
3c0fb554
AP		 1499
1500 if (in_type[i] == PSE_PAD_TYPE_NONE)
1501 continue;
1502
3b1a5e21 1503 // query libretro for keystate
1504 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
61c4962a 1505 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
1506 in_keystate[i] |= retro_psx_map[j];
56abf614 1507
1508 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1509 {
ce098e12
NR		 1510 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);
1511 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);
1512 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);
1513 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);
56abf614 1514 }
61c4962a 1515 }
e8d96071 1516
38c2028e 1517 stop = 0;
1518 psxCpu->Execute();
1519
65a0505f 1520 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
1a6164a1 1521 vout_width, vout_height, vout_width * 2);
70d56ca3 1522 vout_fb_dirty = 0;
38c2028e 1523}
1524
74ebc05b 1525static bool try_use_bios(const char *path)
1526{
1527 FILE *f;
1528 long size;
1529 const char *name;
1530
1531 f = fopen(path, "rb");
1532 if (f == NULL)
1533 return false;
1534
1535 fseek(f, 0, SEEK_END);
1536 size = ftell(f);
1537 fclose(f);
1538
1539 if (size != 512 * 1024)
1540 return false;
1541
1542 name = strrchr(path, SLASH);
1543 if (name++ == NULL)
1544 name = path;
1545 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1546 return true;
1547}
1548
c4052f4d 1549#ifndef VITA
74ebc05b 1550#include <sys/types.h>
1551#include <dirent.h>
1552
1553static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1554{
1555 DIR *dir;
1556 struct dirent *ent;
1557 bool ret = false;
1558
1559 dir = opendir(dirpath);
1560 if (dir == NULL)
1561 return false;
1562
1563 while ((ent = readdir(dir))) {
1564 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1565 continue;
1566
1567 snprintf(path, path_size, "%s/%s", dirpath, ent->d_name);
1568 ret = try_use_bios(path);
1569 if (ret)
1570 break;
1571 }
1572 closedir(dir);
1573 return ret;
1574}
1575#else
1576#define find_any_bios(...) false
1577#endif
1578
11813b9d 1579static void check_system_specs(void)
1580{
1581 unsigned level = 6;
1582 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1583}
1584
38c2028e 1585void retro_init(void)
1586{
1587 const char *bios[] = { "scph1001", "scph5501", "scph7001" };
1588 const char *dir;
1589 char path[256];
1e1cccd9 1590 int i, ret;
74ebc05b 1591 bool found_bios = false;
38c2028e 1592
d148d265 1593#ifdef __MACH__
1594 // magic sauce to make the dynarec work on iOS
1595 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1596#endif
1597
fc99395c 1598#ifdef _3DS
fc99395c 1599 psxMapHook = pl_3ds_mmap;
1600 psxUnmapHook = pl_3ds_munmap;
1a5fd794 1601#endif
1602#ifdef VITA
73081f23
FJGG		 1603 if(init_vita_mmap()<0)
1604 abort();
1a5fd794 1605 psxMapHook = pl_vita_mmap;
1606 psxUnmapHook = pl_vita_munmap;
fc99395c 1607#endif
38c2028e 1608 ret = emu_core_preinit();
73081f23 1609#ifdef _3DS
e4d84733 1610 /* emu_core_preinit sets the cpu to dynarec */
f72db18e 1611 if(!__ctr_svchax)
e4d84733 1612 Config.Cpu = CPU_INTERPRETER;
1613#endif
73081f23 1614
38c2028e 1615 ret |= emu_core_init();
1616 if (ret != 0) {
f29fbd53 1617 SysPrintf("PCSX init failed.\n");
38c2028e 1618 exit(1);
1619 }
1620
0b7f536b 1621#ifdef _3DS
1622 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1623#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
a9579f3b 1624 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437
TJ		 1625#else
1626 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1627#endif
65a0505f
FJGG		 1628
1629 vout_buf_ptr = vout_buf;
1630
38c2028e 1631 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1632 {
fc99395c 1633 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
38c2028e 1634
1635 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1636 snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]);
74ebc05b 1637 found_bios = try_use_bios(path);
1638 if (found_bios)
38c2028e 1639 break;
38c2028e 1640 }
74ebc05b 1641
1642 if (!found_bios)
1643 found_bios = find_any_bios(dir, path, sizeof(path));
38c2028e 1644 }
74ebc05b 1645 if (found_bios) {
f29fbd53 1646 SysPrintf("found BIOS file: %s\n", Config.Bios);
38c2028e 1647 }
1648 else
74ebc05b 1649 {
f29fbd53 1650 SysPrintf("no BIOS files found.\n");
ace14ab3 1651 struct retro_message msg =
74ebc05b 1652 {
1653 "no BIOS found, expect bugs!",
1654 180
1655 };
1656 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1657 }
38c2028e 1658
1a6164a1 1659 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
23ea11bd 1660 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
4e477065 1661 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1a6164a1 1662
5ca2ec64 1663 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1664 * we have to do this because cache misses and some IO penalties
1665 * are not emulated. Warning: changing this may break compatibility. */
5ca2ec64 1666 cycle_multiplier = 175;
ace14ab3 1667#ifdef HAVE_PRE_ARMV7
5ca2ec64 1668 cycle_multiplier = 200;
1669#endif
46b3a2fc 1670 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1e0eac23 1671 spu_config.iUseFixedUpdates = 1;
5ca2ec64 1672
f9f60dae
TK		 1673 McdDisable[0] = 0;
1674 McdDisable[1] = 1;
7df396ea 1675 init_memcard(Mcd1Data);
6e921e1d 1676
1677 SaveFuncs.open = save_open;
1678 SaveFuncs.read = save_read;
1679 SaveFuncs.write = save_write;
1680 SaveFuncs.seek = save_seek;
1681 SaveFuncs.close = save_close;
e268a47e 1682
805fe9bc 1683 update_variables(false);
32ab9e53 1684 check_system_specs();
38c2028e 1685}
1686
1687void retro_deinit(void)
1688{
1689 SysClose();
0b7f536b 1690#ifdef _3DS
1691 linearFree(vout_buf);
1692#else
38c2028e 1693 free(vout_buf);
0b7f536b 1694#endif
38c2028e 1695 vout_buf = NULL;
d8f2e2d8
SL		 1696
1697#ifdef VITA
73081f23 1698 deinit_vita_mmap();
d8f2e2d8 1699#endif
38c2028e 1700}
c4052f4d 1701
1702#ifdef VITA
1703#include <psp2/kernel/threadmgr.h>
1704int usleep (unsigned long us)
1705{
1706 sceKernelDelayThread(us);
1707}
1708#endif
ARM optimized PCSX fork