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Refine NegCon analog response
[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
a9bb0712 42#ifndef MIN
43#define MIN(a, b) ((a) < (b) ? (a) : (b))
44#endif
45
8741f7a2 46#ifndef MAX
47#define MAX(a, b) ((a) > (b) ? (a) : (b))
48#endif
49
47624ecf 50#define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
51
726da67c 52//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
76996fc3 53static int rebootemu = 0;
726da67c 54
38c2028e 55static retro_video_refresh_t video_cb;
56static retro_input_poll_t input_poll_cb;
57static retro_input_state_t input_state_cb;
58static retro_environment_t environ_cb;
59static retro_audio_sample_batch_t audio_batch_cb;
4e477065 60static struct retro_rumble_interface rumble;
b2aef321 61static struct retro_log_callback logging;
62static retro_log_printf_t log_cb;
38c2028e 63
64static void *vout_buf;
65a0505f 65static void * vout_buf_ptr;
70d56ca3 66static int vout_width, vout_height;
67static int vout_doffs_old, vout_fb_dirty;
1a6164a1 68static bool vout_can_dupe;
0e5a7b7d 69static bool duping_enable;
b580cc4f 70static bool found_bios;
70d56ca3 71
38c2028e 72static int plugins_opened;
17f84149 73static int is_pal_mode;
38c2028e 74
f9f60dae
TK		 75/* memory card data */
76extern char Mcd1Data[MCD_SIZE];
76e889bc 77extern char Mcd2Data[MCD_SIZE];
f9f60dae 78extern char McdDisable[2];
38c2028e 79
80/* PCSX ReARMed core calls and stuff */
15504ca8
AP		 81int in_type[8] = { PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
82 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
83 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
84 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE };
61c4962a 85int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
86int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
3c0fb554 87unsigned short in_keystate[PORTS_NUMBER];
29f3675b 88int multitap1 = 0;
89int multitap2 = 0;
4e477065 90int in_enable_vibration = 1;
38c2028e 91
e1442c48 92// NegCon adjustment parameters
93// > The NegCon 'twist' action is somewhat awkward when mapped
94// to a standard analog stick -> user should be able to tweak
95// response/deadzone for comfort
96// > When response is linear, 'additional' deadzone (set here)
97// may be left at zero, since this is normally handled via in-game
98// options menus
99// > When response is non-linear, deadzone should be set to match the
100// controller being used (otherwise precision may be lost)
101// > negcon_linearity:
102// - 1: Response is linear - recommended when using racing wheel
103// peripherals, not recommended for standard gamepads
104// - 2: Response is quadratic - optimal setting for gamepads
105// - 3: Response is cubic - enables precise fine control, but
106// difficult to use...
107#define NEGCON_RANGE 0x7FFF
108static int negcon_deadzone = 0;
109static int negcon_linearity = 1;
110
805fe9bc 111/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
112#define VOUT_MAX_WIDTH 1024
113#define VOUT_MAX_HEIGHT 512
114
646a63e4 115//Dummy functions
116bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info){return false;}
117void retro_unload_game(void){}
118static int vout_open(void){return 0;}
119static void vout_close(void){}
120static int snd_init(void){return 0;}
121static void snd_finish(void){}
122static int snd_busy(void){return 0;}
123
7df396ea
TK		 124static void init_memcard(char *mcd_data)
125{
126 unsigned off = 0;
127 unsigned i;
128
129 memset(mcd_data, 0, MCD_SIZE);
130
131 mcd_data[off++] = 'M';
132 mcd_data[off++] = 'C';
133 off += 0x7d;
134 mcd_data[off++] = 0x0e;
135
136 for (i = 0; i < 15; i++) {
137 mcd_data[off++] = 0xa0;
138 off += 0x07;
139 mcd_data[off++] = 0xff;
140 mcd_data[off++] = 0xff;
141 off += 0x75;
142 mcd_data[off++] = 0xa0;
143 }
144
145 for (i = 0; i < 20; i++) {
146 mcd_data[off++] = 0xff;
147 mcd_data[off++] = 0xff;
148 mcd_data[off++] = 0xff;
149 mcd_data[off++] = 0xff;
150 off += 0x04;
151 mcd_data[off++] = 0xff;
152 mcd_data[off++] = 0xff;
153 off += 0x76;
154 }
155}
156
49c61096 157static void set_vout_fb()
38c2028e 158{
6558949c
FJGG		 159 struct retro_framebuffer fb = {0};
160
161 fb.width = vout_width;
162 fb.height = vout_height;
163 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
164
6558949c 165 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
49c61096
G		 166 vout_buf_ptr = (uint16_t*)fb.data;
167 else
168 vout_buf_ptr = vout_buf;
169}
6558949c 170
49c61096
G		 171static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
172{
173 vout_width = w;
174 vout_height = h;
175
176 set_vout_fb();
38c2028e 177}
178
cc4f9b70 179#ifndef FRONTEND_SUPPORTS_RGB565
9c59f120 180static void convert(void *buf, size_t bytes)
38c2028e 181{
182 unsigned int i, v, *p = buf;
183
9c59f120 184 for (i = 0; i < bytes / 4; i++) {
38c2028e 185 v = p[i];
186 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
187 }
188}
46aa5b98 189#endif
38c2028e 190
fa56d360 191static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
38c2028e 192{
65a0505f 193 unsigned short *dest = vout_buf_ptr;
fa56d360 194 const unsigned short *src = vram;
70d56ca3 195 int dstride = vout_width, h1 = h;
196 int doffs;
38c2028e 197
fa56d360 198 if (vram == NULL) {
199 // blanking
65a0505f 200 memset(vout_buf_ptr, 0, dstride * h * 2);
fa56d360 201 goto out;
202 }
203
70d56ca3 204 doffs = (vout_height - h) * dstride;
205 doffs += (dstride - w) / 2 & ~1;
206 if (doffs != vout_doffs_old) {
207 // clear borders
65a0505f 208 memset(vout_buf_ptr, 0, dstride * h * 2);
70d56ca3 209 vout_doffs_old = doffs;
210 }
211 dest += doffs;
212
fa56d360 213 if (bgr24)
214 {
215 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
216 for (; h1-- > 0; dest += dstride, src += stride)
217 {
218 bgr888_to_rgb565(dest, src, w * 3);
219 }
220 }
221 else
222 {
223 for (; h1-- > 0; dest += dstride, src += stride)
224 {
225 bgr555_to_rgb565(dest, src, w * 2);
226 }
227 }
38c2028e 228
fa56d360 229out:
46aa5b98 230#ifndef FRONTEND_SUPPORTS_RGB565
65a0505f 231 convert(vout_buf_ptr, vout_width * vout_height * 2);
46aa5b98 232#endif
70d56ca3 233 vout_fb_dirty = 1;
fa56d360 234 pl_rearmed_cbs.flip_cnt++;
38c2028e 235}
236
fc99395c 237#ifdef _3DS
238typedef struct
239{
240 void* buffer;
241 uint32_t target_map;
242 size_t size;
243 enum psxMapTag tag;
244}psx_map_t;
245
246psx_map_t custom_psx_maps[] = {
247 {NULL, 0x13000000, 0x210000, MAP_TAG_RAM}, // 0x80000000
248 {NULL, 0x12800000, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
249 {NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
250 {NULL, 0x11000000, 0x800000, MAP_TAG_LUTS}, // 0x08000000
251 {NULL, 0x12000000, 0x200000, MAP_TAG_VRAM}, // 0x00000000
252};
253
254void* pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
255 enum psxMapTag tag)
256{
257 (void)is_fixed;
258 (void)addr;
259
f72db18e 260 if (__ctr_svchax)
fc99395c 261 {
262 psx_map_t* custom_map = custom_psx_maps;
263
264 for (; custom_map->size; custom_map++)
265 {
266 if ((custom_map->size == size) && (custom_map->tag == tag))
267 {
268 uint32_t ptr_aligned, tmp;
269
270 custom_map->buffer = malloc(size + 0x1000);
271 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
272
f72db18e 273 if(svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
fc99395c 274 {
275 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
276 exit(1);
277 }
278
279 return (void*)custom_map->target_map;
280 }
281 }
282 }
283
284 return malloc(size);
285}
286
287void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
cc56203b 288{
fc99395c 289 (void)tag;
290
f72db18e 291 if (__ctr_svchax)
fc99395c 292 {
293 psx_map_t* custom_map = custom_psx_maps;
294
295 for (; custom_map->size; custom_map++)
296 {
297 if ((custom_map->target_map == (uint32_t)ptr))
298 {
299 uint32_t ptr_aligned, tmp;
300
301 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
302
f72db18e 303 svcControlMemory(&tmp, (void*)custom_map->target_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0x3);
fc99395c 304
305 free(custom_map->buffer);
306 custom_map->buffer = NULL;
307 return;
308 }
309 }
310 }
311
312 free(ptr);
313}
314#endif
315
1a5fd794 316#ifdef VITA
317typedef struct
318{
319 void* buffer;
320 uint32_t target_map;
321 size_t size;
322 enum psxMapTag tag;
323}psx_map_t;
324
73081f23
FJGG		 325void* addr = NULL;
326
1a5fd794 327psx_map_t custom_psx_maps[] = {
328 {NULL, NULL, 0x210000, MAP_TAG_RAM}, // 0x80000000
329 {NULL, NULL, 0x010000, MAP_TAG_OTHER}, // 0x1f800000
330 {NULL, NULL, 0x080000, MAP_TAG_OTHER}, // 0x1fc00000
331 {NULL, NULL, 0x800000, MAP_TAG_LUTS}, // 0x08000000
332 {NULL, NULL, 0x200000, MAP_TAG_VRAM}, // 0x00000000
333};
334
73081f23
FJGG		 335int init_vita_mmap(){
336 int n;
848b806c 337 void * tmpaddr;
73081f23
FJGG		 338 addr = malloc(64*1024*1024);
339 if(addr==NULL)
340 return -1;
848b806c
FJGG		 341 tmpaddr = ((u32)(addr+0xFFFFFF))&~0xFFFFFF;
342 custom_psx_maps[0].buffer=tmpaddr+0x2000000;
343 custom_psx_maps[1].buffer=tmpaddr+0x1800000;
344 custom_psx_maps[2].buffer=tmpaddr+0x1c00000;
345 custom_psx_maps[3].buffer=tmpaddr+0x0000000;
346 custom_psx_maps[4].buffer=tmpaddr+0x1000000;
73081f23
FJGG		 347#if 0
348 for(n = 0; n < 5; n++){
349 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
350 }
351#endif
352 return 0;
353}
354
355void deinit_vita_mmap(){
356 free(addr);
357}
358
1a5fd794 359void* pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
360 enum psxMapTag tag)
361{
362 (void)is_fixed;
363 (void)addr;
364
365
366 psx_map_t* custom_map = custom_psx_maps;
367
368 for (; custom_map->size; custom_map++)
369 {
370 if ((custom_map->size == size) && (custom_map->tag == tag))
371 {
1a5fd794 372 return custom_map->buffer;
373 }
374 }
375
376
377 return malloc(size);
378}
379
380void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
381{
382 (void)tag;
383
384 psx_map_t* custom_map = custom_psx_maps;
385
386 for (; custom_map->size; custom_map++)
387 {
388 if ((custom_map->buffer == ptr))
389 {
1a5fd794 390 return;
391 }
392 }
393
394 free(ptr);
395}
396#endif
397
fc99395c 398static void *pl_mmap(unsigned int size)
ace14ab3 399{
87e5b45f 400 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 401}
402
403static void pl_munmap(void *ptr, unsigned int size)
404{
87e5b45f 405 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 406}
407
38c2028e 408struct rearmed_cbs pl_rearmed_cbs = {
409 .pl_vout_open = vout_open,
410 .pl_vout_set_mode = vout_set_mode,
411 .pl_vout_flip = vout_flip,
412 .pl_vout_close = vout_close,
cc56203b 413 .mmap = pl_mmap,
414 .munmap = pl_munmap,
38c2028e 415 /* from psxcounters */
416 .gpu_hcnt = &hSyncCount,
417 .gpu_frame_count = &frame_counter,
418};
419
420void pl_frame_limit(void)
421{
422 /* called once per frame, make psxCpu->Execute() above return */
423 stop = 1;
424}
425
426void pl_timing_prepare(int is_pal)
427{
17f84149 428 is_pal_mode = is_pal;
38c2028e 429}
430
d71c7095 431void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 432{
70fb8fe7 433 if(in_enable_vibration)
434 {
435 rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
436 rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
437 }
38c2028e 438}
439
e4c83ca6 440void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
38c2028e 441{
442}
443
444/* sound calls */
07c13dfd 445static void snd_feed(void *buf, int bytes)
38c2028e 446{
db126209 447 if (audio_batch_cb != NULL)
448 audio_batch_cb(buf, bytes / 4);
38c2028e 449}
450
07c13dfd 451void out_register_libretro(struct out_driver *drv)
452{
453 drv->name = "libretro";
454 drv->init = snd_init;
455 drv->finish = snd_finish;
456 drv->busy = snd_busy;
457 drv->feed = snd_feed;
458}
459
38c2028e 460/* libretro */
e268a47e 461void retro_set_environment(retro_environment_t cb)
462{
e268a47e 463 static const struct retro_variable vars[] = {
4e477065 464 { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
f4cceff6 465 { "pcsx_rearmed_region", "Region; auto|NTSC|PAL" },
8c047f6f
AP		 466 { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|negcon" },
467 { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|negcon" },
468 { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|negcon" },
469 { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|negcon" },
470 { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|negcon" },
471 { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|negcon" },
472 { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|negcon" },
473 { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|negcon" },
30d43b8a
AP		 474 { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
475 { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
e1442c48 476 { "pcsx_rearmed_negcon_deadzone", "NegCon Twist Deadzone (percent); 0|5|10|15|20|25|30" },
477 { "pcsx_rearmed_negcon_response", "NegCon Twist Response; linear|quadratic|cubic" },
70fb8fe7 478 { "pcsx_rearmed_vibration", "Enable Vibration; enabled|disabled" },
5c1cbedc 479 { "pcsx_rearmed_dithering", "Enable Dithering; enabled|disabled" },
48f615ba 480#ifndef DRC_DISABLE
4e477065 481 { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
48f615ba 482#endif
7d68d030 483#ifdef __ARM_NEON__
55e5626b 484 { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
485 { "pcsx_rearmed_neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
486 { "pcsx_rearmed_neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
7d68d030 487#endif
0a6520c3
SB		 488 { "pcsx_rearmed_duping_enable", "Frame duping; enabled|disabled" },
489 { "pcsx_rearmed_show_bios_bootlogo", "Show Bios Bootlogo(Breaks some games); disabled|enabled" },
490 { "pcsx_rearmed_spu_reverb", "Sound: Reverb; enabled|disabled" },
01394a7f 491 { "pcsx_rearmed_spu_interpolation", "Sound: Interpolation; simple|gaussian|cubic|off" },
b3480be8 492 { "pcsx_rearmed_pe2_fix", "Parasite Eve 2/Vandal Hearts 1/2 Fix; disabled|enabled" },
493 { "pcsx_rearmed_inuyasha_fix", "InuYasha Sengoku Battle Fix; disabled|enabled" },
e268a47e 494 { NULL, NULL },
495 };
496
b2aef321 497 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
498 log_cb = logging.log;
499
e268a47e 500 environ_cb = cb;
501
502 cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
e268a47e 503}
504
38c2028e 505void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
506void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
507void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
508void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
509void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
510
511unsigned retro_api_version(void)
512{
513 return RETRO_API_VERSION;
514}
515
15504ca8 516static int controller_port_variable(unsigned port, struct retro_variable *var)
8136cafb
AP		 517{
518 if (port >= PORTS_NUMBER)
15504ca8 519 return 0;
8136cafb 520
15504ca8
AP		 521 if (!environ_cb)
522 return 0;
8136cafb 523
15504ca8 524 var->value = NULL;
a06f5a70
AP		 525 switch (port) {
526 case 0:
15504ca8 527 var->key = "pcsx_rearmed_pad1type";
a06f5a70
AP		 528 break;
529 case 1:
15504ca8 530 var->key = "pcsx_rearmed_pad2type";
a06f5a70
AP		 531 break;
532 case 2:
15504ca8 533 var->key = "pcsx_rearmed_pad3type";
a06f5a70
AP		 534 break;
535 case 3:
15504ca8 536 var->key = "pcsx_rearmed_pad4type";
a06f5a70
AP		 537 break;
538 case 4:
15504ca8 539 var->key = "pcsx_rearmed_pad5type";
a06f5a70
AP		 540 break;
541 case 5:
15504ca8 542 var->key = "pcsx_rearmed_pad6type";
a06f5a70
AP		 543 break;
544 case 6:
15504ca8 545 var->key = "pcsx_rearmed_pad7type";
a06f5a70
AP		 546 break;
547 case 7:
15504ca8 548 var->key = "pcsx_rearmed_pad8type";
a06f5a70
AP		 549 break;
550 }
551
15504ca8
AP		 552 return environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, var) || var->value;
553}
554
555static void update_controller_port_variable(unsigned port)
556{
557 if (port >= PORTS_NUMBER)
558 return;
559
560 struct retro_variable var;
561
562 if (controller_port_variable(port, &var))
8136cafb 563 {
3c0fb554 564 if (strcmp(var.value, "standard") == 0)
8342a300 565 in_type[port] = PSE_PAD_TYPE_STANDARD;
3c0fb554 566 else if (strcmp(var.value, "analog") == 0)
8342a300 567 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
8136cafb 568 else if (strcmp(var.value, "negcon") == 0)
8342a300 569 in_type[port] = PSE_PAD_TYPE_NEGCON;
8c047f6f 570 else if (strcmp(var.value, "none") == 0)
8342a300 571 in_type[port] = PSE_PAD_TYPE_NONE;
15504ca8 572 // else 'default' case, do nothing
3dc2e39e 573 }
15504ca8 574}
3dc2e39e 575
15504ca8
AP		 576static void update_controller_port_device(unsigned port, unsigned device)
577{
578 if (port >= PORTS_NUMBER)
579 return;
580
581 struct retro_variable var;
582
583 if (!controller_port_variable(port, &var))
584 return;
585
586 if (strcmp(var.value, "default") != 0)
587 return;
588
589 switch (device)
590 {
591 case RETRO_DEVICE_JOYPAD:
592 in_type[port] = PSE_PAD_TYPE_STANDARD;
593 break;
594 case RETRO_DEVICE_ANALOG:
595 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
596 break;
597 case RETRO_DEVICE_MOUSE:
598 in_type[port] = PSE_PAD_TYPE_MOUSE;
599 break;
600 case RETRO_DEVICE_LIGHTGUN:
601 in_type[port] = PSE_PAD_TYPE_GUN;
602 break;
603 case RETRO_DEVICE_NONE:
604 default:
605 in_type[port] = PSE_PAD_TYPE_NONE;
606 }
8136cafb
AP		 607}
608
30d43b8a
AP		 609static void update_multitap()
610{
611 struct retro_variable var;
6cdf212f 612 int auto_case, port;
30d43b8a
AP		 613
614 var.value = NULL;
615 var.key = "pcsx_rearmed_multitap1";
3dc2e39e
AP		 616 auto_case = 0;
617 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
30d43b8a
AP		 618 {
619 if (strcmp(var.value, "enabled") == 0)
620 multitap1 = 1;
621 else if (strcmp(var.value, "disabled") == 0)
622 multitap1 = 0;
623 else // 'auto' case
3dc2e39e
AP		 624 auto_case = 1;
625 }
626 else
15504ca8 627 auto_case = 1;
3dc2e39e
AP		 628
629 if (auto_case)
630 {
631 // If a gamepad is plugged after port 2, we need a first multitap.
632 multitap1 = 0;
6cdf212f 633 for (port = 2; port < PORTS_NUMBER; port++)
3dc2e39e 634 multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
30d43b8a
AP		 635 }
636
637 var.value = NULL;
638 var.key = "pcsx_rearmed_multitap2";
3dc2e39e
AP		 639 auto_case = 0;
640 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value))
30d43b8a
AP		 641 {
642 if (strcmp(var.value, "enabled") == 0)
643 multitap2 = 1;
644 else if (strcmp(var.value, "disabled") == 0)
645 multitap2 = 0;
646 else // 'auto' case
3dc2e39e
AP		 647 auto_case = 1;
648 }
649 else
15504ca8 650 auto_case = 1;
3dc2e39e
AP		 651
652 if (auto_case)
653 {
654 // If a gamepad is plugged after port 4, we need a second multitap.
655 multitap2 = 0;
6cdf212f 656 for (port = 4; port < PORTS_NUMBER; port++)
3dc2e39e 657 multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
30d43b8a
AP		 658 }
659}
660
38c2028e 661void retro_set_controller_port_device(unsigned port, unsigned device)
662{
ace14ab3 663 SysPrintf("port %u device %u",port,device);
8c047f6f
AP		 664
665 if (port >= PORTS_NUMBER)
666 return;
667
668 update_controller_port_device(port, device);
669 update_multitap();
38c2028e 670}
671
672void retro_get_system_info(struct retro_system_info *info)
673{
674 memset(info, 0, sizeof(*info));
675 info->library_name = "PCSX-ReARMed";
8fc5171a
GR		 676#ifndef GIT_VERSION
677#define GIT_VERSION ""
678#endif
679 info->library_version = "r22" GIT_VERSION;
9fba39a9 680 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
38c2028e 681 info->need_fullpath = true;
682}
683
684void retro_get_system_av_info(struct retro_system_av_info *info)
685{
686 memset(info, 0, sizeof(*info));
17f84149 687 info->timing.fps = is_pal_mode ? 50 : 60;
38c2028e 688 info->timing.sample_rate = 44100;
689 info->geometry.base_width = 320;
690 info->geometry.base_height = 240;
805fe9bc 691 info->geometry.max_width = VOUT_MAX_WIDTH;
692 info->geometry.max_height = VOUT_MAX_HEIGHT;
38c2028e 693 info->geometry.aspect_ratio = 4.0 / 3.0;
694}
695
6e921e1d 696/* savestates */
ace14ab3 697size_t retro_serialize_size(void)
698{
03f55e6b 699 // it's currently 4380651-4397047 bytes,
700 // but have some reserved for future
701 return 0x440000;
6e921e1d 702}
703
704struct save_fp {
705 char *buf;
706 size_t pos;
707 int is_write;
708};
709
710static void *save_open(const char *name, const char *mode)
711{
712 struct save_fp *fp;
713
714 if (name == NULL || mode == NULL)
715 return NULL;
716
717 fp = malloc(sizeof(*fp));
718 if (fp == NULL)
719 return NULL;
720
721 fp->buf = (char *)name;
722 fp->pos = 0;
723 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
724
725 return fp;
726}
727
728static int save_read(void *file, void *buf, u32 len)
729{
730 struct save_fp *fp = file;
731 if (fp == NULL || buf == NULL)
732 return -1;
733
734 memcpy(buf, fp->buf + fp->pos, len);
735 fp->pos += len;
736 return len;
737}
738
739static int save_write(void *file, const void *buf, u32 len)
740{
741 struct save_fp *fp = file;
742 if (fp == NULL || buf == NULL)
743 return -1;
744
745 memcpy(fp->buf + fp->pos, buf, len);
746 fp->pos += len;
747 return len;
748}
749
750static long save_seek(void *file, long offs, int whence)
751{
752 struct save_fp *fp = file;
753 if (fp == NULL)
754 return -1;
755
756 switch (whence) {
757 case SEEK_CUR:
758 fp->pos += offs;
759 return fp->pos;
760 case SEEK_SET:
761 fp->pos = offs;
762 return fp->pos;
763 default:
764 return -1;
765 }
766}
767
768static void save_close(void *file)
769{
770 struct save_fp *fp = file;
771 size_t r_size = retro_serialize_size();
772 if (fp == NULL)
773 return;
774
775 if (fp->pos > r_size)
776 SysPrintf("ERROR: save buffer overflow detected\n");
777 else if (fp->is_write && fp->pos < r_size)
778 // make sure we don't save trash in leftover space
779 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
780 free(fp);
38c2028e 781}
782
783bool retro_serialize(void *data, size_t size)
ace14ab3 784{
6e921e1d 785 int ret = SaveState(data);
786 return ret == 0 ? true : false;
38c2028e 787}
788
789bool retro_unserialize(const void *data, size_t size)
790{
6e921e1d 791 int ret = LoadState(data);
792 return ret == 0 ? true : false;
38c2028e 793}
794
23ea11bd 795/* cheats */
38c2028e 796void retro_cheat_reset(void)
797{
6e921e1d 798 ClearAllCheats();
38c2028e 799}
800
801void retro_cheat_set(unsigned index, bool enabled, const char *code)
802{
6e921e1d 803 char buf[256];
804 int ret;
805
806 // cheat funcs are destructive, need a copy..
807 strncpy(buf, code, sizeof(buf));
808 buf[sizeof(buf) - 1] = 0;
47624ecf 809
810 //Prepare buffered cheat for PCSX's AddCheat fucntion.
811 int cursor=0;
812 int nonhexdec=0;
813 while (buf[cursor]){
814 if (!(ISHEXDEC)){
815 if (++nonhexdec%2){
816 buf[cursor]=' ';
817 } else {
818 buf[cursor]='\n';
819 }
820 }
821 cursor++;
822 }
823
6e921e1d 824
825 if (index < NumCheats)
826 ret = EditCheat(index, "", buf);
827 else
828 ret = AddCheat("", buf);
829
830 if (ret != 0)
831 SysPrintf("Failed to set cheat %#u\n", index);
832 else if (index < NumCheats)
833 Cheats[index].Enabled = enabled;
38c2028e 834}
835
23ea11bd 836/* multidisk support */
837static bool disk_ejected;
838static unsigned int disk_current_index;
51ba7408 839static unsigned int disk_count;
23ea11bd 840static struct disks_state {
841 char *fname;
842 int internal_index; // for multidisk eboots
843} disks[8];
844
845static bool disk_set_eject_state(bool ejected)
846{
847 // weird PCSX API..
848 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
849 LidInterrupt();
850
851 disk_ejected = ejected;
852 return true;
853}
854
855static bool disk_get_eject_state(void)
856{
857 /* can't be controlled by emulated software */
858 return disk_ejected;
859}
860
861static unsigned int disk_get_image_index(void)
862{
863 return disk_current_index;
864}
865
866static bool disk_set_image_index(unsigned int index)
867{
868 if (index >= sizeof(disks) / sizeof(disks[0]))
869 return false;
870
871 CdromId[0] = '\0';
872 CdromLabel[0] = '\0';
873
874 if (disks[index].fname == NULL) {
875 SysPrintf("missing disk #%u\n", index);
876 CDR_shutdown();
877
878 // RetroArch specifies "no disk" with index == count,
879 // so don't fail here..
880 disk_current_index = index;
881 return true;
882 }
883
884 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
885 disks[index].fname, disks[index].internal_index);
886
887 cdrIsoMultidiskSelect = disks[index].internal_index;
888 set_cd_image(disks[index].fname);
889 if (ReloadCdromPlugin() < 0) {
890 SysPrintf("failed to load cdr plugin\n");
891 return false;
892 }
893 if (CDR_open() < 0) {
894 SysPrintf("failed to open cdr plugin\n");
895 return false;
896 }
897
898 if (!disk_ejected) {
899 SetCdOpenCaseTime(time(NULL) + 2);
900 LidInterrupt();
901 }
902
903 disk_current_index = index;
904 return true;
905}
906
907static unsigned int disk_get_num_images(void)
908{
51ba7408 909 return disk_count;
23ea11bd 910}
911
912static bool disk_replace_image_index(unsigned index,
913 const struct retro_game_info *info)
914{
915 char *old_fname;
916 bool ret = true;
917
918 if (index >= sizeof(disks) / sizeof(disks[0]))
919 return false;
920
921 old_fname = disks[index].fname;
922 disks[index].fname = NULL;
923 disks[index].internal_index = 0;
924
925 if (info != NULL) {
926 disks[index].fname = strdup(info->path);
927 if (index == disk_current_index)
928 ret = disk_set_image_index(index);
929 }
930
931 if (old_fname != NULL)
932 free(old_fname);
933
934 return ret;
935}
936
937static bool disk_add_image_index(void)
938{
51ba7408
T		 939 if (disk_count >= 8)
940 return false;
941
942 disk_count++;
23ea11bd 943 return true;
944}
945
946static struct retro_disk_control_callback disk_control = {
947 .set_eject_state = disk_set_eject_state,
948 .get_eject_state = disk_get_eject_state,
949 .get_image_index = disk_get_image_index,
950 .set_image_index = disk_set_image_index,
951 .get_num_images = disk_get_num_images,
952 .replace_image_index = disk_replace_image_index,
953 .add_image_index = disk_add_image_index,
954};
955
9fba39a9
T		 956// just in case, maybe a win-rt port in the future?
957#ifdef _WIN32
958#define SLASH '\\'
959#else
960#define SLASH '/'
961#endif
962
9096ba88 963#ifndef PATH_MAX
964#define PATH_MAX 4096
965#endif
966
9fba39a9
T		 967static char base_dir[PATH_MAX];
968
969static bool read_m3u(const char *file)
970{
971 char line[PATH_MAX];
972 char name[PATH_MAX];
9fba39a9
T		 973 FILE *f = fopen(file, "r");
974 if (!f)
975 return false;
976
51ba7408 977 while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
9fba39a9
T		 978 if (line[0] == '#')
979 continue;
980 char *carrige_return = strchr(line, '\r');
981 if (carrige_return)
982 *carrige_return = '\0';
983 char *newline = strchr(line, '\n');
984 if (newline)
985 *newline = '\0';
986
987 if (line[0] != '\0')
988 {
989 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
51ba7408 990 disks[disk_count++].fname = strdup(name);
9fba39a9
T		 991 }
992 }
993
994 fclose(f);
51ba7408 995 return (disk_count != 0);
9fba39a9
T		 996}
997
998static void extract_directory(char *buf, const char *path, size_t size)
999{
1000 char *base;
1001 strncpy(buf, path, size - 1);
1002 buf[size - 1] = '\0';
1003
1004 base = strrchr(buf, '/');
1005 if (!base)
1006 base = strrchr(buf, '\\');
1007
1008 if (base)
1009 *base = '\0';
1010 else
1011 {
1012 buf[0] = '.';
1013 buf[1] = '\0';
1014 }
1015}
1016
003cfc63 1017#if defined(__QNX__) || defined(_WIN32)
41294f4d 1018/* Blackberry QNX doesn't have strcasestr */
1019
1020/*
1021 * Find the first occurrence of find in s, ignore case.
1022 */
1023char *
1024strcasestr(const char *s, const char*find)
1025{
1026 char c, sc;
1027 size_t len;
1028
1029 if ((c = *find++) != 0) {
1030 c = tolower((unsigned char)c);
1031 len = strlen(find);
1032 do {
1033 do {
1034 if ((sc = *s++) == 0)
1035 return (NULL);
1036 } while ((char)tolower((unsigned char)sc) != c);
1037 } while (strncasecmp(s, find, len) != 0);
1038 s--;
1039 }
1040 return ((char *)s);
1041}
1042#endif
1043
38c2028e 1044bool retro_load_game(const struct retro_game_info *info)
1045{
23ea11bd 1046 size_t i;
9fba39a9
T		 1047 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
1048
e3f8313f 1049 struct retro_input_descriptor desc[] = {
1050 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1051 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1052 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1053 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1054 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1055 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1056 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1057 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1058 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1059 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1060 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1061 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1062 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1063 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1064 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1065 { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1066 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1067 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1068 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1069 { 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
1070
e3f8313f 1071
1072 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1073 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1074 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1075 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1076 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1077 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1078 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1079 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1080 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1081 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1082 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1083 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1084 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1085 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1086 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1087 { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1088 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1089 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1090 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1091 { 1, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1092
1093 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1094 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1095 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1096 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1097 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1098 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1099 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1100 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1101 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1102 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1103 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1104 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1105 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1106 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1107 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1108 { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1109 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1110 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1111 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1112 { 2, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1113
1114 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1115 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1116 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1117 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1118 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1119 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1120 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1121 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1122 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1123 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1124 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1125 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1126 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1127 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1128 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1129 { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1130 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1131 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1132 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1133 { 3, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1134
1135 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1136 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1137 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1138 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1139 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1140 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1141 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1142 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1143 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1144 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1145 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1146 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1147 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1148 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1149 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
1150 { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1151 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1152 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1153 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1154 { 4, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1155
1156 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1157 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1158 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1159 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1160 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1161 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1162 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1163 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1164 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1165 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1166 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1167 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1168 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1169 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1170 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1171 { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1172 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1173 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1174 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1175 { 5, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1176
1177 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1178 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1179 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1180 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1181 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1182 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1183 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1184 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1185 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1186 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1187 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1188 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1189 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1190 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1191 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1192 { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1193 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1194 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1195 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1196 { 6, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1197
1198 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
1199 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
1200 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
1201 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
1202 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
1203 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
1204 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
1205 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
1206 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" },
1207 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" },
1208 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" },
1209 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" },
1210 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" },
1211 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" },
1212 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
ace14ab3 1213 { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
3e24db84 1214 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" },
1215 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" },
1216 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" },
1217 { 7, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" },
e3f8313f 1218
1219 { 0 },
1220 };
1221
1222 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1223
46aa5b98 1224#ifdef FRONTEND_SUPPORTS_RGB565
c19aba43 1225 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
9f766dbe 1226 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
f29fbd53 1227 SysPrintf("RGB565 supported, using it\n");
c19aba43 1228 }
46aa5b98 1229#endif
c19aba43 1230
23ea11bd 1231 if (info == NULL || info->path == NULL) {
1232 SysPrintf("info->path required\n");
1233 return false;
1234 }
1235
38c2028e 1236 if (plugins_opened) {
1237 ClosePlugins();
1238 plugins_opened = 0;
1239 }
1240
23ea11bd 1241 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
1242 if (disks[i].fname != NULL) {
1243 free(disks[i].fname);
1244 disks[i].fname = NULL;
1245 }
1246 disks[i].internal_index = 0;
1247 }
1248
1249 disk_current_index = 0;
9fba39a9
T		 1250 extract_directory(base_dir, info->path, sizeof(base_dir));
1251
1252 if (is_m3u) {
1253 if (!read_m3u(info->path)) {
b2aef321 1254 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
9fba39a9
T		 1255 return false;
1256 }
51ba7408
T		 1257 } else {
1258 disk_count = 1;
9fba39a9 1259 disks[0].fname = strdup(info->path);
51ba7408 1260 }
23ea11bd 1261
1262 set_cd_image(disks[0].fname);
38c2028e 1263
1264 /* have to reload after set_cd_image for correct cdr plugin */
1265 if (LoadPlugins() == -1) {
b2aef321 1266 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
38c2028e 1267 return false;
1268 }
1269
1270 plugins_opened = 1;
1271 NetOpened = 0;
1272
1273 if (OpenPlugins() == -1) {
b2aef321 1274 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
38c2028e 1275 return false;
1276 }
1277
1278 plugin_call_rearmed_cbs();
19a784e6 1279 dfinput_activate();
38c2028e 1280
38c2028e 1281 if (CheckCdrom() == -1) {
b2aef321 1282 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
38c2028e 1283 return false;
1284 }
1285
1286 SysReset();
1287
1288 if (LoadCdrom() == -1) {
b2aef321 1289 log_cb(RETRO_LOG_INFO, "could not load CD\n");
38c2028e 1290 return false;
1291 }
79f216e3 1292 emu_on_new_cd(0);
38c2028e 1293
23ea11bd 1294 // multidisk images
9fba39a9 1295 if (!is_m3u) {
51ba7408 1296 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
9fba39a9
T		 1297 for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
1298 disks[i].fname = strdup(info->path);
1299 disks[i].internal_index = i;
1300 }
23ea11bd 1301 }
1302
38c2028e 1303 return true;
1304}
1305
38c2028e 1306unsigned retro_get_region(void)
1307{
17f84149 1308 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 1309}
1310
1311void *retro_get_memory_data(unsigned id)
1312{
b40a83db
T		 1313 if (id == RETRO_MEMORY_SAVE_RAM)
1314 return Mcd1Data;
1315 else
1316 return NULL;
38c2028e 1317}
1318
1319size_t retro_get_memory_size(unsigned id)
1320{
b40a83db
T		 1321 if (id == RETRO_MEMORY_SAVE_RAM)
1322 return MCD_SIZE;
1323 else
1324 return 0;
38c2028e 1325}
1326
1327void retro_reset(void)
1328{
d9e77039 1329 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1330 rebootemu = 1;
1331 //SysReset();
38c2028e 1332}
1333
1334static const unsigned short retro_psx_map[] = {
1335 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1336 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1337 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1338 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1339 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1340 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1341 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1342 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1343 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1344 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1345 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1346 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1347 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1348 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1349 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1350 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
1351};
1352#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1353
805fe9bc 1354static void update_variables(bool in_flight)
e268a47e 1355{
e268a47e 1356 struct retro_variable var;
6cdf212f 1357 int i;
ace14ab3 1358
e268a47e 1359 var.value = NULL;
4e477065 1360 var.key = "pcsx_rearmed_frameskip";
7d68d030 1361 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1362 pl_rearmed_cbs.frameskip = atoi(var.value);
9f5a28d9 1363
1364 var.value = NULL;
4e477065 1365 var.key = "pcsx_rearmed_region";
9f5a28d9 1366 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1367 {
1368 Config.PsxAuto = 0;
f4cceff6 1369 if (strcmp(var.value, "auto") == 0)
9f5a28d9 1370 Config.PsxAuto = 1;
1371 else if (strcmp(var.value, "NTSC") == 0)
1372 Config.PsxType = 0;
1373 else if (strcmp(var.value, "PAL") == 0)
1374 Config.PsxType = 1;
1375 }
4615b075 1376
6cdf212f 1377 for (i = 0; i < PORTS_NUMBER; i++)
15504ca8 1378 update_controller_port_variable(i);
61c4962a 1379
30d43b8a 1380 update_multitap();
61c4962a 1381
e1442c48 1382 var.value = NULL;
1383 var.key = "pcsx_rearmed_negcon_deadzone";
1384 negcon_deadzone = 0;
1385 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1386 {
1387 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1388 }
1389
1390 var.value = NULL;
1391 var.key = "pcsx_rearmed_negcon_response";
1392 negcon_linearity = 1;
1393 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1394 {
1395 if (strcmp(var.value, "quadratic") == 0){
1396 negcon_linearity = 2;
1397 } else if (strcmp(var.value, "cubic") == 0){
1398 negcon_linearity = 3;
1399 }
1400 }
1401
70fb8fe7 1402 var.value = NULL;
1403 var.key = "pcsx_rearmed_vibration";
1404
1405 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1406 {
1407 if (strcmp(var.value, "disabled") == 0)
1408 in_enable_vibration = 0;
1409 else if (strcmp(var.value, "enabled") == 0)
1410 in_enable_vibration = 1;
1411 }
1412
5c1cbedc 1413 var.value = NULL;
1414 var.key = "pcsx_rearmed_dithering";
1415
1416 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1417 {
1418 if (strcmp(var.value, "disabled") == 0) {
1419 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1420 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1421#ifdef __ARM_NEON__
1422 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1423#endif
1424 }
1425 else if (strcmp(var.value, "enabled") == 0) {
1426 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1427 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1428#ifdef __ARM_NEON__
1429 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1430#endif
1431 }
1432 }
1433
7d68d030 1434#ifdef __ARM_NEON__
9f5a28d9 1435 var.value = "NULL";
55e5626b 1436 var.key = "pcsx_rearmed_neon_interlace_enable";
9f5a28d9 1437
1438 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1439 {
1440 if (strcmp(var.value, "disabled") == 0)
1441 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1442 else if (strcmp(var.value, "enabled") == 0)
1443 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
1444 }
1445
7d68d030 1446 var.value = NULL;
55e5626b 1447 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 1448
1449 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1450 {
1451 if (strcmp(var.value, "disabled") == 0)
1452 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
1453 else if (strcmp(var.value, "enabled") == 0)
1454 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
1455 }
354329fa 1456
1457 var.value = NULL;
55e5626b 1458 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 1459
1460 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1461 {
1462 if (strcmp(var.value, "disabled") == 0)
1463 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
1464 else if (strcmp(var.value, "enabled") == 0)
1465 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
1466 }
094ec204 1467#endif
0e5a7b7d 1468
1469 var.value = "NULL";
1470 var.key = "pcsx_rearmed_duping_enable";
1471
1472 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1473 {
0a6520c3 1474 if (strcmp(var.value, "disabled") == 0)
0e5a7b7d 1475 duping_enable = false;
0a6520c3 1476 else if (strcmp(var.value, "enabled") == 0)
0e5a7b7d 1477 duping_enable = true;
1478 }
1479
48f615ba 1480#ifndef DRC_DISABLE
1481 var.value = NULL;
4e477065 1482 var.key = "pcsx_rearmed_drc";
48f615ba 1483
1484 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1485 {
1486 R3000Acpu *prev_cpu = psxCpu;
1487
fc99395c 1488#ifdef _3DS
f72db18e 1489 if(!__ctr_svchax)
fc99395c 1490 Config.Cpu = CPU_INTERPRETER;
1491 else
1492#endif
48f615ba 1493 if (strcmp(var.value, "disabled") == 0)
1494 Config.Cpu = CPU_INTERPRETER;
1495 else if (strcmp(var.value, "enabled") == 0)
1496 Config.Cpu = CPU_DYNAREC;
1497
1498 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
1499 if (psxCpu != prev_cpu) {
1500 prev_cpu->Shutdown();
1501 psxCpu->Init();
1502 psxCpu->Reset(); // not really a reset..
1503 }
1504 }
1505#endif
805fe9bc 1506
01394a7f 1507 var.value = "NULL";
1508 var.key = "pcsx_rearmed_spu_reverb";
1509
1510 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1511 {
0a6520c3 1512 if (strcmp(var.value, "disabled") == 0)
01394a7f 1513 spu_config.iUseReverb = false;
0a6520c3 1514 else if (strcmp(var.value, "enabled") == 0)
01394a7f 1515 spu_config.iUseReverb = true;
1516 }
1517
1518 var.value = "NULL";
1519 var.key = "pcsx_rearmed_spu_interpolation";
1520
1521 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1522 {
1523 if (strcmp(var.value, "simple") == 0)
1524 spu_config.iUseInterpolation = 1;
1525 else if (strcmp(var.value, "gaussian") == 0)
1526 spu_config.iUseInterpolation = 2;
1527 else if (strcmp(var.value, "cubic") == 0)
1528 spu_config.iUseInterpolation = 3;
1529 else if (strcmp(var.value, "off") == 0)
1530 spu_config.iUseInterpolation = 0;
1531 }
1532
b3480be8 1533 var.value = "NULL";
1534 var.key = "pcsx_rearmed_pe2_fix";
1535
1536 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1537 {
1538 if (strcmp(var.value, "disabled") == 0)
1539 Config.RCntFix = 0;
1540 else if (strcmp(var.value, "enabled") == 0)
1541 Config.RCntFix = 1;
1542 }
ace14ab3 1543
b3480be8 1544 var.value = "NULL";
1545 var.key = "pcsx_rearmed_inuyasha_fix";
1546
1547 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1548 {
1549 if (strcmp(var.value, "disabled") == 0)
1550 Config.VSyncWA = 0;
1551 else if (strcmp(var.value, "enabled") == 0)
1552 Config.VSyncWA = 1;
1553 }
1554
32ab9e53
TJ		 1555 if (in_flight) {
1556 // inform core things about possible config changes
1557 plugin_call_rearmed_cbs();
805fe9bc 1558
32ab9e53
TJ		 1559 if (GPU_open != NULL && GPU_close != NULL) {
1560 GPU_close();
1561 GPU_open(&gpuDisp, "PCSX", NULL);
1562 }
805fe9bc 1563
32ab9e53
TJ		 1564 dfinput_activate();
1565 }
b580cc4f 1566 else{
1567 //not yet running
1568
1569 //bootlogo display hack
1570 if (found_bios) {
1571 var.value = "NULL";
1572 var.key = "pcsx_rearmed_show_bios_bootlogo";
1573 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
1574 {
0a6520c3 1575 if (strcmp(var.value, "enabled") == 0)
b580cc4f 1576 rebootemu = 1;
1577 }
1578 }
1579 }
e268a47e 1580}
1581
8741f7a2 1582// Taken from beetle-psx-libretro
1583static uint16_t get_analog_button(retro_input_state_t input_state_cb, int player_index, int id)
1584{
1585 uint16_t button;
1586
1587 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
1588 // feature (or pre-date it) so we need to handle this in a graceful way.
1589
1590 // First, try and get an analog value using the new libretro API constant
1591 button = input_state_cb(player_index,
1592 RETRO_DEVICE_ANALOG,
1593 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
1594 id);
1595 button = MIN(button / 128, 255);
1596
1597 if (button == 0)
1598 {
1599 // If we got exactly zero, we're either not pressing the button, or the front-end
1600 // is not reporting analog values. We need to do a second check using the classic
1601 // digital API method, to at least get some response - better than nothing.
1602
1603 // NOTE: If we're really just not holding the button, we're still going to get zero.
1604
1605 button = input_state_cb(player_index,
1606 RETRO_DEVICE_JOYPAD,
1607 0,
1608 id) ? 255 : 0;
1609 }
1610
1611 return button;
1612}
1613
ace14ab3 1614void retro_run(void)
38c2028e 1615{
3b1a5e21 1616 int i;
d9e77039 1617 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
1618 if(rebootemu != 0){
1619 rebootemu = 0;
1620 SysReset();
1621 }
38c2028e 1622
1623 input_poll_cb();
e268a47e 1624
805fe9bc 1625 bool updated = false;
1626 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
1627 update_variables(true);
e268a47e 1628
3b1a5e21 1629 // reset all keystate, query libretro for keystate
61c4962a 1630 int j;
e1442c48 1631 int lsx;
1632 float negcon_twist_amplitude;
3c0fb554 1633 for(i = 0; i < PORTS_NUMBER; i++) {
61c4962a 1634 in_keystate[i] = 0;
3c0fb554
AP		 1635
1636 if (in_type[i] == PSE_PAD_TYPE_NONE)
1637 continue;
1638
8741f7a2 1639 if (in_type[i] == PSE_PAD_TYPE_NEGCON)
56abf614 1640 {
8741f7a2 1641 // Query digital inputs
1642 //
1643 // > Pad-Up
1644 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP)){
1645 in_keystate[i] |= (1 << DKEY_UP);
1646 }
1647 // > Pad-Right
1648 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT)){
1649 in_keystate[i] |= (1 << DKEY_RIGHT);
1650 }
1651 // > Pad-Down
1652 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN)){
1653 in_keystate[i] |= (1 << DKEY_DOWN);
1654 }
1655 // > Pad-Left
1656 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT)){
1657 in_keystate[i] |= (1 << DKEY_LEFT);
1658 }
1659 // > Start
1660 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START)){
1661 in_keystate[i] |= (1 << DKEY_START);
1662 }
1663 // > neGcon A
1664 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A)){
1665 in_keystate[i] |= (1 << DKEY_CIRCLE);
1666 }
1667 // > neGcon B
1668 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X)){
1669 in_keystate[i] |= (1 << DKEY_TRIANGLE);
1670 }
1671 // > neGcon R shoulder (digital)
1672 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R)){
1673 in_keystate[i] |= (1 << DKEY_R1);
1674 }
1675 // Query analog inputs
1676 //
1677 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
1678 // >> pad->leftJoyX == in_analog_left[i][0] == NeGcon II
1679 // >> pad->leftJoyY == in_analog_left[i][1] == NeGcon L
1680 // >> pad->rightJoyX == in_analog_right[i][0] == NeGcon twist
1681 // >> pad->rightJoyY == in_analog_right[i][1] == NeGcon I
1682 // So we just have to map in_analog_left/right to more
1683 // appropriate inputs...
1684 //
1685 // > NeGcon twist
e1442c48 1686 // >> Get raw analog stick value and account for deadzone
1687 lsx = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
1688 if (lsx > negcon_deadzone){
1689 lsx = lsx - negcon_deadzone;
1690 } else if (lsx < -negcon_deadzone){
1691 lsx = lsx + negcon_deadzone;
1692 } else {
1693 lsx = 0;
1694 }
1695 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
1696 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
1697 if (negcon_linearity == 2){
1698 if (negcon_twist_amplitude < 0.0){
1699 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
1700 } else {
1701 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
1702 }
1703 } else if (negcon_linearity == 3){
1704 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
1705 }
1706 // >> Convert to final 'in_analog' integer value [0,255]
1707 in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
8741f7a2 1708 // > NeGcon I
1709 in_analog_right[i][1] = MAX(
1710 get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
1711 get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
1712 );
1713 // > NeGcon II
1714 in_analog_left[i][0] = MAX(
1715 get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
1716 get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
1717 );
1718 // > NeGcon L
1719 in_analog_left[i][1] = get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
1720 }
1721 else
1722 {
1723 // Query digital inputs
1724 for (j = 0; j < RETRO_PSX_MAP_LEN; j++){
1725 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j)){
1726 in_keystate[i] |= retro_psx_map[j];
1727 }
1728 }
1729 // Query analog inputs
1730 if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
1731 {
1732 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);
1733 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);
1734 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);
1735 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);
1736 }
56abf614 1737 }
61c4962a 1738 }
e8d96071 1739
38c2028e 1740 stop = 0;
1741 psxCpu->Execute();
1742
65a0505f 1743 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
1a6164a1 1744 vout_width, vout_height, vout_width * 2);
70d56ca3 1745 vout_fb_dirty = 0;
49c61096
G		 1746
1747 set_vout_fb();
38c2028e 1748}
1749
74ebc05b 1750static bool try_use_bios(const char *path)
1751{
1752 FILE *f;
1753 long size;
1754 const char *name;
1755
1756 f = fopen(path, "rb");
1757 if (f == NULL)
1758 return false;
1759
1760 fseek(f, 0, SEEK_END);
1761 size = ftell(f);
1762 fclose(f);
1763
1764 if (size != 512 * 1024)
1765 return false;
1766
1767 name = strrchr(path, SLASH);
1768 if (name++ == NULL)
1769 name = path;
1770 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
1771 return true;
1772}
1773
c4052f4d 1774#ifndef VITA
74ebc05b 1775#include <sys/types.h>
1776#include <dirent.h>
1777
1778static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
1779{
1780 DIR *dir;
1781 struct dirent *ent;
1782 bool ret = false;
1783
1784 dir = opendir(dirpath);
1785 if (dir == NULL)
1786 return false;
1787
1788 while ((ent = readdir(dir))) {
1789 if (strncasecmp(ent->d_name, "scph", 4) != 0)
1790 continue;
1791
1477f557 1792 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
74ebc05b 1793 ret = try_use_bios(path);
1794 if (ret)
1795 break;
1796 }
1797 closedir(dir);
1798 return ret;
1799}
1800#else
1801#define find_any_bios(...) false
1802#endif
1803
11813b9d 1804static void check_system_specs(void)
1805{
1806 unsigned level = 6;
1807 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
1808}
1809
38c2028e 1810void retro_init(void)
1811{
1477f557 1812 const char *bios[] = {
1813 "SCPH101", "SCPH7001", "SCPH5501", "SCPH1001",
1814 "scph101", "scph7001", "scph5501", "scph1001"
1815 };
38c2028e 1816 const char *dir;
1817 char path[256];
1e1cccd9 1818 int i, ret;
b580cc4f 1819
1820 found_bios = false;
38c2028e 1821
d148d265 1822#ifdef __MACH__
1823 // magic sauce to make the dynarec work on iOS
1824 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
1825#endif
1826
fc99395c 1827#ifdef _3DS
fc99395c 1828 psxMapHook = pl_3ds_mmap;
1829 psxUnmapHook = pl_3ds_munmap;
1a5fd794 1830#endif
1831#ifdef VITA
73081f23
FJGG		 1832 if(init_vita_mmap()<0)
1833 abort();
1a5fd794 1834 psxMapHook = pl_vita_mmap;
1835 psxUnmapHook = pl_vita_munmap;
fc99395c 1836#endif
38c2028e 1837 ret = emu_core_preinit();
73081f23 1838#ifdef _3DS
e4d84733 1839 /* emu_core_preinit sets the cpu to dynarec */
f72db18e 1840 if(!__ctr_svchax)
e4d84733 1841 Config.Cpu = CPU_INTERPRETER;
1842#endif
73081f23 1843
38c2028e 1844 ret |= emu_core_init();
1845 if (ret != 0) {
f29fbd53 1846 SysPrintf("PCSX init failed.\n");
38c2028e 1847 exit(1);
1848 }
1849
0b7f536b 1850#ifdef _3DS
1851 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
1852#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA)
a9579f3b 1853 posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437
TJ		 1854#else
1855 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
1856#endif
65a0505f
FJGG		 1857
1858 vout_buf_ptr = vout_buf;
1859
38c2028e 1860 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
1861 {
fc99395c 1862 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
38c2028e 1863
1864 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
1477f557 1865 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
74ebc05b 1866 found_bios = try_use_bios(path);
1867 if (found_bios)
38c2028e 1868 break;
38c2028e 1869 }
74ebc05b 1870
1871 if (!found_bios)
1872 found_bios = find_any_bios(dir, path, sizeof(path));
38c2028e 1873 }
74ebc05b 1874 if (found_bios) {
f29fbd53 1875 SysPrintf("found BIOS file: %s\n", Config.Bios);
38c2028e 1876 }
1877 else
74ebc05b 1878 {
f29fbd53 1879 SysPrintf("no BIOS files found.\n");
ace14ab3 1880 struct retro_message msg =
74ebc05b 1881 {
d019fef1 1882 "No PlayStation BIOS file found - add for better compatibility",
74ebc05b 1883 180
1884 };
1885 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
1886 }
38c2028e 1887
1a6164a1 1888 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
23ea11bd 1889 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
4e477065 1890 environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
1a6164a1 1891
5ca2ec64 1892 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
1893 * we have to do this because cache misses and some IO penalties
1894 * are not emulated. Warning: changing this may break compatibility. */
5ca2ec64 1895 cycle_multiplier = 175;
ace14ab3 1896#ifdef HAVE_PRE_ARMV7
5ca2ec64 1897 cycle_multiplier = 200;
1898#endif
46b3a2fc 1899 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1e0eac23 1900 spu_config.iUseFixedUpdates = 1;
5ca2ec64 1901
f9f60dae
TK		 1902 McdDisable[0] = 0;
1903 McdDisable[1] = 1;
7df396ea 1904 init_memcard(Mcd1Data);
76e889bc 1905 init_memcard(Mcd2Data);
6e921e1d 1906
1907 SaveFuncs.open = save_open;
1908 SaveFuncs.read = save_read;
1909 SaveFuncs.write = save_write;
1910 SaveFuncs.seek = save_seek;
1911 SaveFuncs.close = save_close;
e268a47e 1912
805fe9bc 1913 update_variables(false);
32ab9e53 1914 check_system_specs();
38c2028e 1915}
1916
1917void retro_deinit(void)
1918{
1919 SysClose();
0b7f536b 1920#ifdef _3DS
1921 linearFree(vout_buf);
1922#else
38c2028e 1923 free(vout_buf);
0b7f536b 1924#endif
38c2028e 1925 vout_buf = NULL;
d8f2e2d8
SL		 1926
1927#ifdef VITA
73081f23 1928 deinit_vita_mmap();
d8f2e2d8 1929#endif
38c2028e 1930}
c4052f4d 1931
1932#ifdef VITA
1933#include <psp2/kernel/threadmgr.h>
1934int usleep (unsigned long us)
1935{
1936 sceKernelDelayThread(us);
1937}
1938#endif
ARM optimized PCSX fork