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frontend: Fix buffer overrun
[pcsx_rearmed.git] / frontend / libretro.c
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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
7a8d521f 18#ifdef SWITCH
19#include <switch.h>
20#endif
21
38c2028e 22#include "../libpcsxcore/misc.h"
23#include "../libpcsxcore/psxcounters.h"
87e5b45f 24#include "../libpcsxcore/psxmem_map.h"
38c2028e 25#include "../libpcsxcore/new_dynarec/new_dynarec.h"
23ea11bd 26#include "../libpcsxcore/cdrom.h"
27#include "../libpcsxcore/cdriso.h"
6e921e1d 28#include "../libpcsxcore/cheat.h"
7a8d521f 29#include "../libpcsxcore/r3000a.h"
abf09485 30#include "../libpcsxcore/gpu.h"
f3746eea 31#include "../libpcsxcore/database.h"
07c13dfd 32#include "../plugins/dfsound/out.h"
01394a7f 33#include "../plugins/dfsound/spu_config.h"
c82f907a 34#include "cspace.h"
38c2028e 35#include "main.h"
7a8d521f 36#include "menu.h"
38c2028e 37#include "plugin.h"
38#include "plugin_lib.h"
8f2bb0cb 39#include "arm_features.h"
38c2028e 40#include "revision.h"
7a8d521f 41
42#include <libretro.h>
43#include "libretro_core_options.h"
44
45#ifdef USE_LIBRETRO_VFS
46#include <streams/file_stream_transforms.h>
47#endif
48
49#ifdef _3DS
50#include "3ds/3ds_utils.h"
51#endif
52
53#define PORTS_NUMBER 8
54
55#ifndef MIN
56#define MIN(a, b) ((a) < (b) ? (a) : (b))
57#endif
58
59#ifndef MAX
60#define MAX(a, b) ((a) > (b) ? (a) : (b))
61#endif
62
63#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
64
65#define INTERNAL_FPS_SAMPLE_PERIOD 64
66
67//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
68static int rebootemu = 0;
38c2028e 69
70static retro_video_refresh_t video_cb;
71static retro_input_poll_t input_poll_cb;
72static retro_input_state_t input_state_cb;
73static retro_environment_t environ_cb;
74static retro_audio_sample_batch_t audio_batch_cb;
7a8d521f 75static retro_set_rumble_state_t rumble_cb;
76static struct retro_log_callback logging;
77static retro_log_printf_t log_cb;
78
79static unsigned msg_interface_version = 0;
38c2028e 80
81static void *vout_buf;
7a8d521f 82static void *vout_buf_ptr;
5d9e675a 83static int vout_width = 256, vout_height = 240, vout_pitch = 256;
308c6e67 84static int vout_fb_dirty;
f6eb0b1c 85static int psx_w, psx_h;
1a6164a1 86static bool vout_can_dupe;
0e5a7b7d 87static bool duping_enable;
7a8d521f 88static bool found_bios;
89static bool display_internal_fps = false;
90static unsigned frame_count = 0;
91static bool libretro_supports_bitmasks = false;
92static bool libretro_supports_option_categories = false;
93static bool show_input_settings = true;
94#ifdef GPU_PEOPS
95static bool show_advanced_gpu_peops_settings = true;
96#endif
97#ifdef GPU_UNAI
98static bool show_advanced_gpu_unai_settings = true;
99#endif
100static float mouse_sensitivity = 1.0f;
6a131b03 101static unsigned int disk_current_index;
7a8d521f 102
103typedef enum
104{
105 FRAMESKIP_NONE = 0,
106 FRAMESKIP_AUTO,
107 FRAMESKIP_AUTO_THRESHOLD,
108 FRAMESKIP_FIXED_INTERVAL
109} frameskip_type_t;
110
111static unsigned frameskip_type = FRAMESKIP_NONE;
112static unsigned frameskip_threshold = 0;
113static unsigned frameskip_interval = 0;
114static unsigned frameskip_counter = 0;
115
116static int retro_audio_buff_active = false;
117static unsigned retro_audio_buff_occupancy = 0;
118static int retro_audio_buff_underrun = false;
119
120static unsigned retro_audio_latency = 0;
121static int update_audio_latency = false;
122
123static unsigned previous_width = 0;
124static unsigned previous_height = 0;
70d56ca3 125
38c2028e 126static int plugins_opened;
17f84149 127static int is_pal_mode;
38c2028e 128
f9f60dae
TK		 129/* memory card data */
130extern char Mcd1Data[MCD_SIZE];
7a8d521f 131extern char Mcd2Data[MCD_SIZE];
f9f60dae 132extern char McdDisable[2];
38c2028e 133
134/* PCSX ReARMed core calls and stuff */
7a8d521f 135int in_type[8] = {
136 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
137 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
138 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
139 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE
140};
141int in_analog_left[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
142int in_analog_right[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
143unsigned short in_keystate[PORTS_NUMBER];
144int in_mouse[8][2];
145int multitap1 = 0;
146int multitap2 = 0;
4e477065 147int in_enable_vibration = 1;
d6a231b7 148int in_enable_crosshair[2] = { 0, 0 };
38c2028e 149
7a8d521f 150// NegCon adjustment parameters
151// > The NegCon 'twist' action is somewhat awkward when mapped
152// to a standard analog stick -> user should be able to tweak
153// response/deadzone for comfort
154// > When response is linear, 'additional' deadzone (set here)
155// may be left at zero, since this is normally handled via in-game
156// options menus
157// > When response is non-linear, deadzone should be set to match the
158// controller being used (otherwise precision may be lost)
159// > negcon_linearity:
160// - 1: Response is linear - recommended when using racing wheel
161// peripherals, not recommended for standard gamepads
162// - 2: Response is quadratic - optimal setting for gamepads
163// - 3: Response is cubic - enables precise fine control, but
164// difficult to use...
165#define NEGCON_RANGE 0x7FFF
166static int negcon_deadzone = 0;
167static int negcon_linearity = 1;
168
169static bool axis_bounds_modifier;
170
805fe9bc 171/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
7a8d521f 172#define VOUT_MAX_WIDTH 1024
805fe9bc 173#define VOUT_MAX_HEIGHT 512
174
7a8d521f 175//Dummy functions
176bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) { return false; }
177void retro_unload_game(void) {}
178static int vout_open(void) { return 0; }
179static void vout_close(void) {}
180static int snd_init(void) { return 0; }
181static void snd_finish(void) {}
182static int snd_busy(void) { return 0; }
183
184#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
185#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
186#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
187#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
188#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
189#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
190#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
191#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
192#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
193
7df396ea
TK		 194static void init_memcard(char *mcd_data)
195{
7a8d521f 196 unsigned off = 0;
197 unsigned i;
7df396ea 198
7a8d521f 199 memset(mcd_data, 0, MCD_SIZE);
7df396ea 200
7a8d521f 201 mcd_data[off++] = 'M';
202 mcd_data[off++] = 'C';
203 off += 0x7d;
204 mcd_data[off++] = 0x0e;
7df396ea 205
7a8d521f 206 for (i = 0; i < 15; i++)
207 {
208 mcd_data[off++] = 0xa0;
209 off += 0x07;
210 mcd_data[off++] = 0xff;
211 mcd_data[off++] = 0xff;
212 off += 0x75;
213 mcd_data[off++] = 0xa0;
214 }
7df396ea 215
7a8d521f 216 for (i = 0; i < 20; i++)
217 {
218 mcd_data[off++] = 0xff;
219 mcd_data[off++] = 0xff;
220 mcd_data[off++] = 0xff;
221 mcd_data[off++] = 0xff;
222 off += 0x04;
223 mcd_data[off++] = 0xff;
224 mcd_data[off++] = 0xff;
225 off += 0x76;
226 }
7df396ea
TK		 227}
228
7a8d521f 229static void set_vout_fb()
38c2028e 230{
7a8d521f 231 struct retro_framebuffer fb = { 0 };
232
233 fb.width = vout_width;
234 fb.height = vout_height;
235 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
236
5d9e675a 237 vout_pitch = vout_width;
238 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565) {
239 vout_buf_ptr = fb.data;
240 if (fb.pitch / 2 != vout_pitch && fb.pitch != vout_width * 2)
241 SysPrintf("got unusual pitch %zd for resolution %dx%d\n", fb.pitch, vout_width, vout_height);
242 vout_pitch = fb.pitch / 2;
243 }
7a8d521f 244 else
245 vout_buf_ptr = vout_buf;
38c2028e 246}
247
e4c83ca6 248static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
38c2028e 249{
7a8d521f 250 vout_width = w;
251 vout_height = h;
f6eb0b1c 252 psx_w = raw_w;
253 psx_h = raw_h;
7a8d521f 254
255 if (previous_width != vout_width || previous_height != vout_height)
256 {
257 previous_width = vout_width;
258 previous_height = vout_height;
259
260 struct retro_system_av_info info;
261 retro_get_system_av_info(&info);
262 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
263 }
264
265 set_vout_fb();
38c2028e 266}
267
cc4f9b70 268#ifndef FRONTEND_SUPPORTS_RGB565
9c59f120 269static void convert(void *buf, size_t bytes)
38c2028e 270{
7a8d521f 271 unsigned int i, v, *p = buf;
38c2028e 272
7a8d521f 273 for (i = 0; i < bytes / 4; i++)
274 {
275 v = p[i];
276 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
277 }
38c2028e 278}
46aa5b98 279#endif
38c2028e 280
d6a231b7
S		 281// Function to add crosshairs
282static void addCrosshair(int port, int crosshair_color, unsigned short *buffer, int bufferStride, int pos_x, int pos_y, int thickness, int size_x, int size_y) {
283 for (port = 0; port < 2; port++) {
284 // Draw the horizontal line of the crosshair
285 for (int i = pos_y - thickness / 2; i <= pos_y + thickness / 2; i++) {
286 for (int j = pos_x - size_x / 2; j <= pos_x + size_x / 2; j++) {
287 if ((i + vout_height) >= 0 && (i + vout_height) < bufferStride && j >= 0 && j < bufferStride && in_enable_crosshair[port] > 0)
288 buffer[i * bufferStride + j] = crosshair_color;
289 }
290 }
291
292 // Draw the vertical line of the crosshair
293 for (int i = pos_x - thickness / 2; i <= pos_x + thickness / 2; i++) {
294 for (int j = pos_y - size_y / 2; j <= pos_y + size_y / 2; j++) {
295 if (i >= 0 && i < bufferStride && (j + vout_height) >= 0 && (j + vout_height) < bufferStride && in_enable_crosshair[port] > 0)
296 buffer[j * bufferStride + i] = crosshair_color;
297 }
298 }
299 }
300}
301
302struct CrosshairInfo {
303 int pos_x, pos_y, thickness, size_x, size_y;
304};
305
306// Calculate size and position of crosshairs
307static void CrosshairDimensions(int port, struct CrosshairInfo *info) {
308 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
309 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
310 if (gunx == 32767) // Prevent crosshairs from wrapping around right side of screen to left
311 info->pos_x = (gunx + 32767.0f) * vout_width / 65534.0f - 0.5f;
312 else
313 info->pos_x = (gunx + 32767.0f) * vout_width / 65534.0f;
314 info->pos_y = (guny + 32767.0f) * vout_height / 65534.0f - vout_height;
315 info->thickness = pl_rearmed_cbs.gpu_neon.enhancement_enable ? 4 : 2;
316 info->size_x = psx_w * (pl_rearmed_cbs.gpu_neon.enhancement_enable ? 2 : 1) / 40.0f;
317 info->size_y = psx_h * (pl_rearmed_cbs.gpu_neon.enhancement_enable ? 2 : 1) * (4.0f / 3.0f) / 40.0f;
318}
319
308c6e67 320static void vout_flip(const void *vram, int stride, int bgr24,
321 int x, int y, int w, int h, int dims_changed)
38c2028e 322{
7a8d521f 323 unsigned short *dest = vout_buf_ptr;
324 const unsigned short *src = vram;
5d9e675a 325 int dstride = vout_pitch, h1 = h;
d6a231b7 326 int port = 0;
7a8d521f 327
d6a231b7 328 if (vram == NULL || dims_changed || (in_enable_crosshair[0] + in_enable_crosshair[1]) > 0)
7a8d521f 329 {
308c6e67 330 memset(vout_buf_ptr, 0, dstride * vout_height * 2);
7a8d521f 331 // blanking
308c6e67 332 if (vram == NULL)
333 goto out;
7a8d521f 334 }
335
308c6e67 336 dest += x + y * dstride;
7a8d521f 337
338 if (bgr24)
339 {
340 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
341 for (; h1-- > 0; dest += dstride, src += stride)
342 {
343 bgr888_to_rgb565(dest, src, w * 3);
344 }
345 }
346 else
347 {
348 for (; h1-- > 0; dest += dstride, src += stride)
349 {
350 bgr555_to_rgb565(dest, src, w * 2);
351 }
352 }
38c2028e 353
d6a231b7
S		 354 for (port = 0; port < 2; port++) {
355 if (in_enable_crosshair[port] > 0 && (in_type[port] == PSE_PAD_TYPE_GUNCON || in_type[port] == PSE_PAD_TYPE_GUN))
356 {
357 struct CrosshairInfo crosshairInfo;
358 CrosshairDimensions(port, &crosshairInfo);
359 addCrosshair(port, in_enable_crosshair[port], dest, dstride, crosshairInfo.pos_x, crosshairInfo.pos_y, crosshairInfo.thickness, crosshairInfo.size_x, crosshairInfo.size_y);
360 }
361 }
362
fa56d360 363out:
46aa5b98 364#ifndef FRONTEND_SUPPORTS_RGB565
5d9e675a 365 convert(vout_buf_ptr, vout_pitch * vout_height * 2);
7a8d521f 366#endif
367 vout_fb_dirty = 1;
368 pl_rearmed_cbs.flip_cnt++;
369}
370
371#ifdef _3DS
372typedef struct
373{
374 void *buffer;
375 uint32_t target_map;
376 size_t size;
377 enum psxMapTag tag;
378} psx_map_t;
379
380psx_map_t custom_psx_maps[] = {
381 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
382 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
383 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
384 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
00274bf7 385 { NULL, 0x12000000, 0x201000, MAP_TAG_VRAM }, // 0x00000000
7a8d521f 386};
387
388void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
389 enum psxMapTag tag)
390{
391 (void)is_fixed;
392 (void)addr;
393
394 if (__ctr_svchax)
395 {
396 psx_map_t *custom_map = custom_psx_maps;
397
398 for (; custom_map->size; custom_map++)
399 {
400 if ((custom_map->size == size) && (custom_map->tag == tag))
401 {
402 uint32_t ptr_aligned, tmp;
91da8e32 403 void *ret;
7a8d521f 404
405 custom_map->buffer = malloc(size + 0x1000);
406 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
407
408 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
409 {
410 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
411 exit(1);
412 }
413
91da8e32 414 ret = (void *)custom_map->target_map;
415 memset(ret, 0, size);
416 return ret;
7a8d521f 417 }
418 }
419 }
420
91da8e32 421 return calloc(size, 1);
7a8d521f 422}
423
424void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
425{
426 (void)tag;
427
428 if (__ctr_svchax)
429 {
430 psx_map_t *custom_map = custom_psx_maps;
431
432 for (; custom_map->size; custom_map++)
433 {
434 if ((custom_map->target_map == (uint32_t)ptr))
435 {
436 uint32_t ptr_aligned, tmp;
437
438 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
439
440 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
441
442 free(custom_map->buffer);
443 custom_map->buffer = NULL;
444 return;
445 }
446 }
447 }
448
449 free(ptr);
450}
451#endif
452
453#ifdef VITA
454typedef struct
455{
456 void *buffer;
7a8d521f 457 size_t size;
458 enum psxMapTag tag;
00274bf7 459 int used;
7a8d521f 460} psx_map_t;
461
00274bf7 462static void *addr = NULL;
7a8d521f 463
464psx_map_t custom_psx_maps[] = {
00274bf7 465 { NULL, 0x800000, MAP_TAG_LUTS },
466 { NULL, 0x080000, MAP_TAG_OTHER },
467 { NULL, 0x010000, MAP_TAG_OTHER },
468 { NULL, 0x201000, MAP_TAG_VRAM },
469 { NULL, 0x802000, MAP_TAG_VRAM }, // enhanced renderer
470 { NULL, 0x210000, MAP_TAG_RAM },
7a8d521f 471};
472
473int init_vita_mmap()
474{
475 int n;
476 void *tmpaddr;
477 addr = malloc(64 * 1024 * 1024);
478 if (addr == NULL)
479 return -1;
00274bf7 480 tmpaddr = (void *)(((size_t)addr + 0xFFFFFF) & ~0xFFFFFF);
481 custom_psx_maps[0].buffer = tmpaddr + 0x0000000;
482 custom_psx_maps[1].buffer = tmpaddr + 0x0800000;
483 custom_psx_maps[2].buffer = tmpaddr + 0x0880000;
484 custom_psx_maps[3].buffer = tmpaddr + 0x0900000;
7a8d521f 485 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
00274bf7 486 custom_psx_maps[5].buffer = tmpaddr + 0x2000000;
91da8e32 487 memset(tmpaddr, 0, 0x2210000);
7a8d521f 488#if 0
489 for(n = 0; n < 5; n++){
490 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
491 }
46aa5b98 492#endif
7a8d521f 493 return 0;
494}
495
496void deinit_vita_mmap()
497{
00274bf7 498 size_t i;
499 for (i = 0; i < sizeof(custom_psx_maps) / sizeof(custom_psx_maps[0]); i++) {
500 custom_psx_maps[i].buffer = NULL;
501 custom_psx_maps[i].used = 0;
502 }
7a8d521f 503 free(addr);
504}
505
506void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
507 enum psxMapTag tag)
508{
509 (void)is_fixed;
510 (void)addr;
511
512 psx_map_t *custom_map = custom_psx_maps;
513
514 for (; custom_map->size; custom_map++)
515 {
00274bf7 516 if (custom_map->size == size && custom_map->tag == tag && !custom_map->used)
7a8d521f 517 {
00274bf7 518 custom_map->used = 1;
7a8d521f 519 return custom_map->buffer;
520 }
521 }
522
91da8e32 523 return calloc(size, 1);
38c2028e 524}
525
7a8d521f 526void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
38c2028e 527{
7a8d521f 528 (void)tag;
529
530 psx_map_t *custom_map = custom_psx_maps;
531
532 for (; custom_map->size; custom_map++)
533 {
534 if ((custom_map->buffer == ptr))
535 {
00274bf7 536 custom_map->used = 0;
7a8d521f 537 return;
538 }
539 }
540
541 free(ptr);
38c2028e 542}
7a8d521f 543#endif
38c2028e 544
cc56203b 545static void *pl_mmap(unsigned int size)
546{
7a8d521f 547 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 548}
549
550static void pl_munmap(void *ptr, unsigned int size)
551{
7a8d521f 552 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 553}
554
38c2028e 555struct rearmed_cbs pl_rearmed_cbs = {
7a8d521f 556 .pl_vout_open = vout_open,
557 .pl_vout_set_mode = vout_set_mode,
558 .pl_vout_flip = vout_flip,
559 .pl_vout_close = vout_close,
560 .mmap = pl_mmap,
561 .munmap = pl_munmap,
abf09485 562 .gpu_state_change = gpu_state_change,
7a8d521f 563 /* from psxcounters */
564 .gpu_hcnt = &hSyncCount,
565 .gpu_frame_count = &frame_counter,
38c2028e 566};
567
568void pl_frame_limit(void)
569{
7a8d521f 570 /* called once per frame, make psxCpu->Execute() above return */
da65071f 571 stop++;
38c2028e 572}
573
574void pl_timing_prepare(int is_pal)
575{
7a8d521f 576 is_pal_mode = is_pal;
38c2028e 577}
578
d71c7095 579void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 580{
7a8d521f 581 if (!rumble_cb)
582 return;
583
584 if (in_enable_vibration)
585 {
586 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
587 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
588 }
38c2028e 589}
590
d6a231b7
S		 591//Percentage distance of screen to adjust for Konami Gun
592static float KonamiGunAdjustX = 0;
593static float KonamiGunAdjustY = 0;
594
2db412ad 595void pl_gun_byte2(int port, unsigned char byte)
38c2028e 596{
d6a231b7
S		 597 int irq_count = 4;
598 float justifier_multiplier = 0;
599 int justifier_width = psx_w;
600 int justifier_height = psx_h;
601 int justifier_offscreen = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN);
602 int justifier_reload = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD);
603
604 if (justifier_width == 256)
605 justifier_multiplier = is_pal_mode ? .157086f : .158532f;
606 else if (justifier_width == 320)
607 justifier_multiplier = is_pal_mode ? .196358f : .198166f;
608 else if (justifier_width == 384)
609 justifier_multiplier = is_pal_mode ? .224409f : .226475f;
610 else if (justifier_width == 512)
611 justifier_multiplier = is_pal_mode ? .314173f : .317065f;
612 else // (justifier_width == 640)
613 justifier_multiplier = is_pal_mode ? .392717f : .396332f;
614
615 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
616 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
617
618 //Default offset of +105 for X and -12 for Y is chosen to obtain alignment in Die Hard Trilogy, which has no calibration feature
619 int gunx_scaled = ((gunx + 32767.0f) / 65534.0f + KonamiGunAdjustX) * justifier_width / justifier_multiplier + 105.0f;
620 int guny_scaled = ((guny + 32767.0f) / 65534.0f + KonamiGunAdjustY) * justifier_height - 12.0f;
621
622 if ((byte & 0x10) && !justifier_offscreen && !justifier_reload)
623 {
624 psxScheduleIrq10(irq_count, gunx_scaled, guny_scaled);
625 }
38c2028e 626}
627
628/* sound calls */
7a8d521f 629static void snd_feed(void *buf, int bytes)
38c2028e 630{
7a8d521f 631 if (audio_batch_cb != NULL)
632 audio_batch_cb(buf, bytes / 4);
38c2028e 633}
634
7a8d521f 635void out_register_libretro(struct out_driver *drv)
38c2028e 636{
7a8d521f 637 drv->name = "libretro";
638 drv->init = snd_init;
639 drv->finish = snd_finish;
640 drv->busy = snd_busy;
641 drv->feed = snd_feed;
38c2028e 642}
643
d6a231b7
S		 644#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
645#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
646#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
647#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
648#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
649#define RETRO_DEVICE_PSE_JUSTIFIER RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 1)
650#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
7a8d521f 651
652static char *get_pse_pad_label[] = {
653 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
654};
655
d6a231b7 656static const struct retro_controller_description pads[8] =
38c2028e 657{
d6a231b7
S		 658 { "standard", RETRO_DEVICE_JOYPAD },
659 { "analog", RETRO_DEVICE_PSE_ANALOG },
660 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
661 { "negcon", RETRO_DEVICE_PSE_NEGCON },
662 { "guncon", RETRO_DEVICE_PSE_GUNCON },
663 { "konami gun", RETRO_DEVICE_PSE_JUSTIFIER },
664 { "mouse", RETRO_DEVICE_PSE_MOUSE },
7a8d521f 665 { NULL, 0 },
666};
38c2028e 667
7a8d521f 668static const struct retro_controller_info ports[9] =
38c2028e 669{
7a8d521f 670 { pads, 7 },
671 { pads, 7 },
672 { pads, 7 },
673 { pads, 7 },
674 { pads, 7 },
675 { pads, 7 },
676 { pads, 7 },
677 { pads, 7 },
678 { NULL, 0 },
679};
38c2028e 680
7a8d521f 681/* libretro */
682
683static bool update_option_visibility(void)
07c13dfd 684{
7a8d521f 685 struct retro_variable var = {0};
686 struct retro_core_option_display option_display = {0};
687 bool updated = false;
688 unsigned i;
689
690 /* If frontend supports core option categories
691 * then show/hide core option entries are ignored
692 * and no options should be hidden */
693 if (libretro_supports_option_categories)
694 return false;
695
696 var.key = "pcsx_rearmed_show_input_settings";
697 var.value = NULL;
698
699 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
700 {
701 bool show_input_settings_prev =
702 show_input_settings;
703
704 show_input_settings = true;
705 if (strcmp(var.value, "disabled") == 0)
706 show_input_settings = false;
707
708 if (show_input_settings !=
709 show_input_settings_prev)
710 {
711 char input_option[][50] = {
712 "pcsx_rearmed_analog_axis_modifier",
713 "pcsx_rearmed_vibration",
714 "pcsx_rearmed_multitap",
715 "pcsx_rearmed_negcon_deadzone",
716 "pcsx_rearmed_negcon_response",
717 "pcsx_rearmed_input_sensitivity",
d6a231b7
S		 718 "pcsx_rearmed_crosshair1",
719 "pcsx_rearmed_crosshair2",
720 "pcsx_rearmed_konamigunadjustx",
721 "pcsx_rearmed_konamigunadjusty",
7a8d521f 722 "pcsx_rearmed_gunconadjustx",
723 "pcsx_rearmed_gunconadjusty",
724 "pcsx_rearmed_gunconadjustratiox",
725 "pcsx_rearmed_gunconadjustratioy"
726 };
727
728 option_display.visible = show_input_settings;
729
730 for (i = 0;
731 i < (sizeof(input_option) /
732 sizeof(input_option[0]));
733 i++)
734 {
735 option_display.key = input_option[i];
736 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
737 &option_display);
738 }
739
740 updated = true;
741 }
742 }
743#ifdef GPU_PEOPS
744 var.key = "pcsx_rearmed_show_gpu_peops_settings";
745 var.value = NULL;
746
747 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
748 {
749 bool show_advanced_gpu_peops_settings_prev =
750 show_advanced_gpu_peops_settings;
751
752 show_advanced_gpu_peops_settings = true;
753 if (strcmp(var.value, "disabled") == 0)
754 show_advanced_gpu_peops_settings = false;
755
756 if (show_advanced_gpu_peops_settings !=
757 show_advanced_gpu_peops_settings_prev)
758 {
759 unsigned i;
760 struct retro_core_option_display option_display;
761 char gpu_peops_option[][45] = {
762 "pcsx_rearmed_gpu_peops_odd_even_bit",
763 "pcsx_rearmed_gpu_peops_expand_screen_width",
764 "pcsx_rearmed_gpu_peops_ignore_brightness",
765 "pcsx_rearmed_gpu_peops_disable_coord_check",
766 "pcsx_rearmed_gpu_peops_lazy_screen_update",
767 "pcsx_rearmed_gpu_peops_repeated_triangles",
768 "pcsx_rearmed_gpu_peops_quads_with_triangles",
769 "pcsx_rearmed_gpu_peops_fake_busy_state"
770 };
771
772 option_display.visible = show_advanced_gpu_peops_settings;
773
774 for (i = 0;
775 i < (sizeof(gpu_peops_option) /
776 sizeof(gpu_peops_option[0]));
777 i++)
778 {
779 option_display.key = gpu_peops_option[i];
780 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
781 &option_display);
782 }
783
784 updated = true;
785 }
786 }
787#endif
788#ifdef GPU_UNAI
789 var.key = "pcsx_rearmed_show_gpu_unai_settings";
790 var.value = NULL;
791
792 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
793 {
794 bool show_advanced_gpu_unai_settings_prev =
795 show_advanced_gpu_unai_settings;
796
797 show_advanced_gpu_unai_settings = true;
798 if (strcmp(var.value, "disabled") == 0)
799 show_advanced_gpu_unai_settings = false;
800
801 if (show_advanced_gpu_unai_settings !=
802 show_advanced_gpu_unai_settings_prev)
803 {
804 unsigned i;
805 struct retro_core_option_display option_display;
806 char gpu_unai_option[][40] = {
807 "pcsx_rearmed_gpu_unai_blending",
808 "pcsx_rearmed_gpu_unai_lighting",
809 "pcsx_rearmed_gpu_unai_fast_lighting",
810 "pcsx_rearmed_gpu_unai_scale_hires",
811 };
812
813 option_display.visible = show_advanced_gpu_unai_settings;
814
815 for (i = 0;
816 i < (sizeof(gpu_unai_option) /
817 sizeof(gpu_unai_option[0]));
818 i++)
819 {
820 option_display.key = gpu_unai_option[i];
821 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
822 &option_display);
823 }
824
825 updated = true;
826 }
827 }
828#endif
829 return updated;
07c13dfd 830}
831
e268a47e 832void retro_set_environment(retro_environment_t cb)
833{
7a8d521f 834 bool option_categories = false;
835#ifdef USE_LIBRETRO_VFS
836 struct retro_vfs_interface_info vfs_iface_info;
7d68d030 837#endif
e268a47e 838
839 environ_cb = cb;
840
7a8d521f 841 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
842 log_cb = logging.log;
843
844 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
845
846 /* Set core options
847 * An annoyance: retro_set_environment() can be called
848 * multiple times, and depending upon the current frontend
849 * state various environment callbacks may be disabled.
850 * This means the reported 'categories_supported' status
851 * may change on subsequent iterations. We therefore have
852 * to record whether 'categories_supported' is true on any
853 * iteration, and latch the result */
854 libretro_set_core_options(environ_cb, &option_categories);
855 libretro_supports_option_categories |= option_categories;
856
857 /* If frontend supports core option categories,
858 * any show/hide core option entries are unused
859 * and should be hidden */
860 if (libretro_supports_option_categories)
861 {
862 struct retro_core_option_display option_display;
863 option_display.visible = false;
864
865 option_display.key = "pcsx_rearmed_show_input_settings";
866 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
867 &option_display);
868
869#ifdef GPU_PEOPS
870 option_display.key = "pcsx_rearmed_show_gpu_peops_settings";
871 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
872 &option_display);
873#endif
874#ifdef GPU_UNAI
875 option_display.key = "pcsx_rearmed_show_gpu_unai_settings";
876 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
877 &option_display);
878#endif
879 }
880 /* If frontend does not support core option
881 * categories, core options may be shown/hidden
882 * at runtime. In this case, register 'update
883 * display' callback, so frontend can update
884 * core options menu without calling retro_run() */
885 else
886 {
887 struct retro_core_options_update_display_callback update_display_cb;
888 update_display_cb.callback = update_option_visibility;
889
890 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK,
891 &update_display_cb);
892 }
893
894#ifdef USE_LIBRETRO_VFS
895 vfs_iface_info.required_interface_version = 1;
896 vfs_iface_info.iface = NULL;
897 if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
898 filestream_vfs_init(&vfs_iface_info);
899#endif
e268a47e 900}
901
38c2028e 902void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
903void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
904void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
905void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
906void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
907
908unsigned retro_api_version(void)
909{
7a8d521f 910 return RETRO_API_VERSION;
911}
912
913static void update_multitap(void)
914{
915 struct retro_variable var = { 0 };
916
917 multitap1 = 0;
918 multitap2 = 0;
919
920 var.value = NULL;
921 var.key = "pcsx_rearmed_multitap";
922 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
923 {
924 if (strcmp(var.value, "port 1") == 0)
925 multitap1 = 1;
926 else if (strcmp(var.value, "port 2") == 0)
927 multitap2 = 1;
928 else if (strcmp(var.value, "ports 1 and 2") == 0)
929 {
930 multitap1 = 1;
931 multitap2 = 1;
932 }
933 }
38c2028e 934}
935
936void retro_set_controller_port_device(unsigned port, unsigned device)
937{
7a8d521f 938 if (port >= PORTS_NUMBER)
939 return;
940
941 switch (device)
942 {
943 case RETRO_DEVICE_JOYPAD:
944 case RETRO_DEVICE_PSE_STANDARD:
945 in_type[port] = PSE_PAD_TYPE_STANDARD;
946 break;
947 case RETRO_DEVICE_PSE_ANALOG:
948 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
949 break;
950 case RETRO_DEVICE_PSE_DUALSHOCK:
951 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
952 break;
953 case RETRO_DEVICE_PSE_MOUSE:
954 in_type[port] = PSE_PAD_TYPE_MOUSE;
955 break;
956 case RETRO_DEVICE_PSE_NEGCON:
957 in_type[port] = PSE_PAD_TYPE_NEGCON;
958 break;
959 case RETRO_DEVICE_PSE_GUNCON:
960 in_type[port] = PSE_PAD_TYPE_GUNCON;
961 break;
d6a231b7
S		 962 case RETRO_DEVICE_PSE_JUSTIFIER:
963 in_type[port] = PSE_PAD_TYPE_GUN;
964 break;
7a8d521f 965 case RETRO_DEVICE_NONE:
966 default:
967 in_type[port] = PSE_PAD_TYPE_NONE;
968 break;
969 }
970
971 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
38c2028e 972}
973
974void retro_get_system_info(struct retro_system_info *info)
975{
7a8d521f 976#ifndef GIT_VERSION
977#define GIT_VERSION ""
978#endif
979 memset(info, 0, sizeof(*info));
980 info->library_name = "PCSX-ReARMed";
981 info->library_version = "r23l" GIT_VERSION;
0cae7d24 982 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd|iso|exe";
7a8d521f 983 info->need_fullpath = true;
38c2028e 984}
985
986void retro_get_system_av_info(struct retro_system_av_info *info)
987{
5d9e675a 988 unsigned geom_height = vout_height;
989 unsigned geom_width = vout_width;
7a8d521f 990
991 memset(info, 0, sizeof(*info));
992 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
993 info->timing.sample_rate = 44100.0;
994 info->geometry.base_width = geom_width;
995 info->geometry.base_height = geom_height;
996 info->geometry.max_width = VOUT_MAX_WIDTH;
997 info->geometry.max_height = VOUT_MAX_HEIGHT;
998 info->geometry.aspect_ratio = 4.0 / 3.0;
38c2028e 999}
1000
6e921e1d 1001/* savestates */
7a8d521f 1002size_t retro_serialize_size(void)
1003{
1004 // it's currently 4380651-4397047 bytes,
1005 // but have some reserved for future
1006 return 0x440000;
6e921e1d 1007}
1008
7a8d521f 1009struct save_fp
1010{
1011 char *buf;
1012 size_t pos;
1013 int is_write;
6e921e1d 1014};
1015
1016static void *save_open(const char *name, const char *mode)
1017{
7a8d521f 1018 struct save_fp *fp;
6e921e1d 1019
7a8d521f 1020 if (name == NULL || mode == NULL)
1021 return NULL;
6e921e1d 1022
7a8d521f 1023 fp = malloc(sizeof(*fp));
1024 if (fp == NULL)
1025 return NULL;
6e921e1d 1026
7a8d521f 1027 fp->buf = (char *)name;
1028 fp->pos = 0;
1029 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
6e921e1d 1030
7a8d521f 1031 return fp;
6e921e1d 1032}
1033
1034static int save_read(void *file, void *buf, u32 len)
1035{
7a8d521f 1036 struct save_fp *fp = file;
1037 if (fp == NULL || buf == NULL)
1038 return -1;
6e921e1d 1039
7a8d521f 1040 memcpy(buf, fp->buf + fp->pos, len);
1041 fp->pos += len;
1042 return len;
6e921e1d 1043}
1044
1045static int save_write(void *file, const void *buf, u32 len)
1046{
7a8d521f 1047 struct save_fp *fp = file;
1048 if (fp == NULL || buf == NULL)
1049 return -1;
6e921e1d 1050
7a8d521f 1051 memcpy(fp->buf + fp->pos, buf, len);
1052 fp->pos += len;
1053 return len;
6e921e1d 1054}
1055
1056static long save_seek(void *file, long offs, int whence)
1057{
7a8d521f 1058 struct save_fp *fp = file;
1059 if (fp == NULL)
1060 return -1;
6e921e1d 1061
7a8d521f 1062 switch (whence)
1063 {
1064 case SEEK_CUR:
1065 fp->pos += offs;
1066 return fp->pos;
1067 case SEEK_SET:
1068 fp->pos = offs;
1069 return fp->pos;
1070 default:
1071 return -1;
1072 }
6e921e1d 1073}
1074
1075static void save_close(void *file)
1076{
7a8d521f 1077 struct save_fp *fp = file;
1078 size_t r_size = retro_serialize_size();
1079 if (fp == NULL)
1080 return;
1081
1082 if (fp->pos > r_size)
1083 SysPrintf("ERROR: save buffer overflow detected\n");
1084 else if (fp->is_write && fp->pos < r_size)
1085 // make sure we don't save trash in leftover space
1086 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
1087 free(fp);
38c2028e 1088}
1089
1090bool retro_serialize(void *data, size_t size)
7a8d521f 1091{
6a131b03 1092 int ret;
1093 CdromFrontendId = disk_current_index;
1094 ret = SaveState(data);
7a8d521f 1095 return ret == 0 ? true : false;
38c2028e 1096}
1097
6a131b03 1098static bool disk_set_image_index(unsigned int index);
1099
38c2028e 1100bool retro_unserialize(const void *data, size_t size)
1101{
6a131b03 1102 int ret;
1103 CdromFrontendId = -1;
1104 ret = LoadState(data);
1105 if (ret)
1106 return false;
1107 if (CdromFrontendId != -1 && CdromFrontendId != disk_current_index)
1108 disk_set_image_index(CdromFrontendId);
1109 return true;
38c2028e 1110}
1111
23ea11bd 1112/* cheats */
38c2028e 1113void retro_cheat_reset(void)
1114{
7a8d521f 1115 ClearAllCheats();
38c2028e 1116}
1117
1118void retro_cheat_set(unsigned index, bool enabled, const char *code)
1119{
1e93efc0 1120 int ret = -1;
1121 char *buf;
7a8d521f 1122
1e93efc0 1123 // cheat funcs are destructive, need a copy...
1124 buf = strdup(code);
1125 if (buf == NULL)
1126 goto finish;
6e921e1d 1127
7a8d521f 1128 //Prepare buffered cheat for PCSX's AddCheat fucntion.
1129 int cursor = 0;
1130 int nonhexdec = 0;
1131 while (buf[cursor])
1132 {
1133 if (!(ISHEXDEC))
1134 {
1135 if (++nonhexdec % 2)
1136 {
1137 buf[cursor] = ' ';
1138 }
1139 else
1140 {
1141 buf[cursor] = '\n';
1142 }
1143 }
1144 cursor++;
1145 }
6e921e1d 1146
7a8d521f 1147 if (index < NumCheats)
1148 ret = EditCheat(index, "", buf);
1149 else
1150 ret = AddCheat("", buf);
6e921e1d 1151
1e93efc0 1152finish:
7a8d521f 1153 if (ret != 0)
1154 SysPrintf("Failed to set cheat %#u\n", index);
1155 else if (index < NumCheats)
1156 Cheats[index].Enabled = enabled;
1e93efc0 1157 free(buf);
38c2028e 1158}
1159
7a8d521f 1160// just in case, maybe a win-rt port in the future?
1161#ifdef _WIN32
1162#define SLASH '\\'
1163#else
1164#define SLASH '/'
1165#endif
1166
1167#ifndef PATH_MAX
1168#define PATH_MAX 4096
1169#endif
1170
23ea11bd 1171/* multidisk support */
7a8d521f 1172static unsigned int disk_initial_index;
1173static char disk_initial_path[PATH_MAX];
23ea11bd 1174static bool disk_ejected;
51ba7408 1175static unsigned int disk_count;
7a8d521f 1176static struct disks_state
1177{
1178 char *fname;
1179 char *flabel;
1180 int internal_index; // for multidisk eboots
23ea11bd 1181} disks[8];
1182
7a8d521f 1183static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
1184{
1185 const char *base = NULL;
1186
1187 if (!disk_path || (*disk_path == '\0'))
1188 return;
1189
1190 base = strrchr(disk_path, SLASH);
1191 if (!base)
1192 base = disk_path;
1193
1194 if (*base == SLASH)
1195 base++;
1196
1197 strncpy(disk_label, base, len - 1);
1198 disk_label[len - 1] = '\0';
1199
1200 char *ext = strrchr(disk_label, '.');
1201 if (ext)
1202 *ext = '\0';
1203}
1204
1205static void disk_init(void)
1206{
1207 size_t i;
1208
1209 disk_ejected = false;
1210 disk_current_index = 0;
1211 disk_count = 0;
1212
1213 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
1214 {
1215 if (disks[i].fname != NULL)
1216 {
1217 free(disks[i].fname);
1218 disks[i].fname = NULL;
1219 }
1220 if (disks[i].flabel != NULL)
1221 {
1222 free(disks[i].flabel);
1223 disks[i].flabel = NULL;
1224 }
1225 disks[i].internal_index = 0;
1226 }
1227}
1228
23ea11bd 1229static bool disk_set_eject_state(bool ejected)
1230{
7a8d521f 1231 // weird PCSX API..
1232 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
1233 LidInterrupt();
23ea11bd 1234
7a8d521f 1235 disk_ejected = ejected;
1236 return true;
23ea11bd 1237}
1238
1239static bool disk_get_eject_state(void)
1240{
7a8d521f 1241 /* can't be controlled by emulated software */
1242 return disk_ejected;
23ea11bd 1243}
1244
1245static unsigned int disk_get_image_index(void)
1246{
7a8d521f 1247 return disk_current_index;
23ea11bd 1248}
1249
1250static bool disk_set_image_index(unsigned int index)
1251{
7a8d521f 1252 if (index >= sizeof(disks) / sizeof(disks[0]))
1253 return false;
23ea11bd 1254
7a8d521f 1255 CdromId[0] = '\0';
1256 CdromLabel[0] = '\0';
23ea11bd 1257
7a8d521f 1258 if (disks[index].fname == NULL)
1259 {
1260 SysPrintf("missing disk #%u\n", index);
1261 CDR_shutdown();
23ea11bd 1262
7a8d521f 1263 // RetroArch specifies "no disk" with index == count,
1264 // so don't fail here..
1265 disk_current_index = index;
1266 return true;
1267 }
23ea11bd 1268
7a8d521f 1269 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
1270 disks[index].fname, disks[index].internal_index);
23ea11bd 1271
7a8d521f 1272 cdrIsoMultidiskSelect = disks[index].internal_index;
1273 set_cd_image(disks[index].fname);
1274 if (ReloadCdromPlugin() < 0)
1275 {
1276 SysPrintf("failed to load cdr plugin\n");
1277 return false;
1278 }
1279 if (CDR_open() < 0)
1280 {
1281 SysPrintf("failed to open cdr plugin\n");
1282 return false;
1283 }
23ea11bd 1284
7a8d521f 1285 if (!disk_ejected)
1286 {
1287 SetCdOpenCaseTime(time(NULL) + 2);
1288 LidInterrupt();
1289 }
23ea11bd 1290
7a8d521f 1291 disk_current_index = index;
1292 return true;
23ea11bd 1293}
1294
1295static unsigned int disk_get_num_images(void)
1296{
7a8d521f 1297 return disk_count;
23ea11bd 1298}
1299
1300static bool disk_replace_image_index(unsigned index,
7a8d521f 1301 const struct retro_game_info *info)
23ea11bd 1302{
7a8d521f 1303 char *old_fname = NULL;
1304 char *old_flabel = NULL;
1305 bool ret = true;
1306
1307 if (index >= sizeof(disks) / sizeof(disks[0]))
1308 return false;
1309
1310 old_fname = disks[index].fname;
1311 old_flabel = disks[index].flabel;
1312
1313 disks[index].fname = NULL;
1314 disks[index].flabel = NULL;
1315 disks[index].internal_index = 0;
1316
1317 if (info != NULL)
1318 {
1319 char disk_label[PATH_MAX];
1320 disk_label[0] = '\0';
1321
1322 disks[index].fname = strdup(info->path);
23ea11bd 1323
7a8d521f 1324 get_disk_label(disk_label, info->path, PATH_MAX);
1325 disks[index].flabel = strdup(disk_label);
23ea11bd 1326
7a8d521f 1327 if (index == disk_current_index)
1328 ret = disk_set_image_index(index);
1329 }
23ea11bd 1330
7a8d521f 1331 if (old_fname != NULL)
1332 free(old_fname);
23ea11bd 1333
7a8d521f 1334 if (old_flabel != NULL)
1335 free(old_flabel);
23ea11bd 1336
7a8d521f 1337 return ret;
23ea11bd 1338}
1339
1340static bool disk_add_image_index(void)
1341{
7a8d521f 1342 if (disk_count >= 8)
1343 return false;
51ba7408 1344
7a8d521f 1345 disk_count++;
1346 return true;
23ea11bd 1347}
1348
7a8d521f 1349static bool disk_set_initial_image(unsigned index, const char *path)
1350{
1351 if (index >= sizeof(disks) / sizeof(disks[0]))
1352 return false;
23ea11bd 1353
7a8d521f 1354 if (!path || (*path == '\0'))
1355 return false;
9fba39a9 1356
7a8d521f 1357 disk_initial_index = index;
9fba39a9 1358
7a8d521f 1359 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1360 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1361
1362 return true;
9fba39a9
T		 1363}
1364
7a8d521f 1365static bool disk_get_image_path(unsigned index, char *path, size_t len)
9fba39a9 1366{
7a8d521f 1367 const char *fname = NULL;
9fba39a9 1368
7a8d521f 1369 if (len < 1)
1370 return false;
9fba39a9 1371
7a8d521f 1372 if (index >= sizeof(disks) / sizeof(disks[0]))
1373 return false;
1374
1375 fname = disks[index].fname;
1376
1377 if (!fname || (*fname == '\0'))
1378 return false;
1379
1380 strncpy(path, fname, len - 1);
1381 path[len - 1] = '\0';
1382
1383 return true;
1384}
1385
1386static bool disk_get_image_label(unsigned index, char *label, size_t len)
1387{
1388 const char *flabel = NULL;
1389
1390 if (len < 1)
1391 return false;
1392
1393 if (index >= sizeof(disks) / sizeof(disks[0]))
1394 return false;
1395
1396 flabel = disks[index].flabel;
1397
1398 if (!flabel || (*flabel == '\0'))
1399 return false;
1400
1401 strncpy(label, flabel, len - 1);
1402 label[len - 1] = '\0';
1403
1404 return true;
1405}
1406
1407static struct retro_disk_control_callback disk_control = {
1408 .set_eject_state = disk_set_eject_state,
1409 .get_eject_state = disk_get_eject_state,
1410 .get_image_index = disk_get_image_index,
1411 .set_image_index = disk_set_image_index,
1412 .get_num_images = disk_get_num_images,
1413 .replace_image_index = disk_replace_image_index,
1414 .add_image_index = disk_add_image_index,
1415};
1416
1417static struct retro_disk_control_ext_callback disk_control_ext = {
1418 .set_eject_state = disk_set_eject_state,
1419 .get_eject_state = disk_get_eject_state,
1420 .get_image_index = disk_get_image_index,
1421 .set_image_index = disk_set_image_index,
1422 .get_num_images = disk_get_num_images,
1423 .replace_image_index = disk_replace_image_index,
1424 .add_image_index = disk_add_image_index,
1425 .set_initial_image = disk_set_initial_image,
1426 .get_image_path = disk_get_image_path,
1427 .get_image_label = disk_get_image_label,
1428};
1429
1430static char base_dir[1024];
1431
1432static bool read_m3u(const char *file)
1433{
1434 char line[1024];
1435 char name[PATH_MAX];
1436 FILE *fp = fopen(file, "r");
1437 if (!fp)
1438 return false;
1439
1440 while (fgets(line, sizeof(line), fp) && disk_count < sizeof(disks) / sizeof(disks[0]))
1441 {
1442 if (line[0] == '#')
1443 continue;
1444 char *carrige_return = strchr(line, '\r');
1445 if (carrige_return)
1446 *carrige_return = '\0';
1447 char *newline = strchr(line, '\n');
1448 if (newline)
1449 *newline = '\0';
1450
1451 if (line[0] != '\0')
1452 {
1453 char disk_label[PATH_MAX];
1454 disk_label[0] = '\0';
1455
1456 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1457 disks[disk_count].fname = strdup(name);
1458
1459 get_disk_label(disk_label, name, PATH_MAX);
1460 disks[disk_count].flabel = strdup(disk_label);
1461
1462 disk_count++;
1463 }
1464 }
1465
1466 fclose(fp);
1467 return (disk_count != 0);
1468}
1469
1470static void extract_directory(char *buf, const char *path, size_t size)
1471{
1472 char *base;
1473 strncpy(buf, path, size - 1);
1474 buf[size - 1] = '\0';
1475
1476 base = strrchr(buf, '/');
1477 if (!base)
1478 base = strrchr(buf, '\\');
1479
1480 if (base)
1481 *base = '\0';
1482 else
1483 {
9fba39a9
T		 1484 buf[0] = '.';
1485 buf[1] = '\0';
1486 }
1487}
1488
003cfc63 1489#if defined(__QNX__) || defined(_WIN32)
41294f4d 1490/* Blackberry QNX doesn't have strcasestr */
1491
1492/*
1493 * Find the first occurrence of find in s, ignore case.
1494 */
1495char *
7a8d521f 1496strcasestr(const char *s, const char *find)
1497{
1498 char c, sc;
1499 size_t len;
1500
1501 if ((c = *find++) != 0)
1502 {
1503 c = tolower((unsigned char)c);
1504 len = strlen(find);
1505 do
1506 {
1507 do
1508 {
1509 if ((sc = *s++) == 0)
1510 return (NULL);
1511 } while ((char)tolower((unsigned char)sc) != c);
1512 } while (strncasecmp(s, find, len) != 0);
1513 s--;
1514 }
1515 return ((char *)s);
41294f4d 1516}
1517#endif
1518
7a8d521f 1519static void set_retro_memmap(void)
1520{
1521#ifndef NDEBUG
1522 struct retro_memory_map retromap = { 0 };
1523 struct retro_memory_descriptor mmap = {
1524 0, psxM, 0, 0, 0, 0, 0x200000
1525 };
1526
1527 retromap.descriptors = &mmap;
1528 retromap.num_descriptors = 1;
1529
1530 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1531#endif
1532}
1533
f3746eea 1534static void show_notification(const char *msg_str,
1535 unsigned duration_ms, unsigned priority)
1536{
1537 if (msg_interface_version >= 1)
1538 {
1539 struct retro_message_ext msg = {
1540 msg_str,
1541 duration_ms,
1542 3,
1543 RETRO_LOG_WARN,
1544 RETRO_MESSAGE_TARGET_ALL,
1545 RETRO_MESSAGE_TYPE_NOTIFICATION,
1546 -1
1547 };
1548 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
1549 }
1550 else
1551 {
1552 struct retro_message msg = {
1553 msg_str,
1554 180
1555 };
1556 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
1557 }
1558}
1559
7a8d521f 1560static void retro_audio_buff_status_cb(
1561 bool active, unsigned occupancy, bool underrun_likely)
1562{
1563 retro_audio_buff_active = active;
1564 retro_audio_buff_occupancy = occupancy;
1565 retro_audio_buff_underrun = underrun_likely;
1566}
1567
1568static void retro_set_audio_buff_status_cb(void)
1569{
1570 if (frameskip_type == FRAMESKIP_NONE)
1571 {
1572 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1573 retro_audio_latency = 0;
1574 }
1575 else
1576 {
1577 bool calculate_audio_latency = true;
1578
1579 if (frameskip_type == FRAMESKIP_FIXED_INTERVAL)
1580 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1581 else
1582 {
1583 struct retro_audio_buffer_status_callback buf_status_cb;
1584 buf_status_cb.callback = retro_audio_buff_status_cb;
1585 if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
1586 &buf_status_cb))
1587 {
1588 retro_audio_buff_active = false;
1589 retro_audio_buff_occupancy = 0;
1590 retro_audio_buff_underrun = false;
1591 retro_audio_latency = 0;
1592 calculate_audio_latency = false;
1593 }
1594 }
1595
1596 if (calculate_audio_latency)
1597 {
1598 /* Frameskip is enabled - increase frontend
1599 * audio latency to minimise potential
1600 * buffer underruns */
1601 uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
1602
1603 /* Set latency to 6x current frame time... */
1604 retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
1605
1606 /* ...then round up to nearest multiple of 32 */
1607 retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
1608 }
1609 }
1610
1611 update_audio_latency = true;
1612 frameskip_counter = 0;
1613}
1614
1615static void update_variables(bool in_flight);
38c2028e 1616bool retro_load_game(const struct retro_game_info *info)
1617{
7a8d521f 1618 size_t i;
1619 unsigned int cd_index = 0;
1620 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
8cddf575 1621 bool is_exe = (strcasestr(info->path, ".exe") != NULL);
1622 int ret;
9fba39a9 1623
e3f8313f 1624 struct retro_input_descriptor desc[] = {
7a8d521f 1625#define JOYP(port) \
1626 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1627 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1628 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1629 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1630 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1631 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1632 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1633 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1634 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1635 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1636 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1637 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1638 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1639 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1640 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1641 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1642 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1643 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1644 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1645 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" }, \
1646 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER, "Gun Trigger" }, \
1647 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD, "Gun Reload" }, \
1648 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A, "Gun Aux A" }, \
d6a231b7
S		 1649 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B, "Gun Aux B" }, \
1650 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_START, "Gun Start" },
7a8d521f 1651
1652 JOYP(0)
1653 JOYP(1)
1654 JOYP(2)
1655 JOYP(3)
1656 JOYP(4)
1657 JOYP(5)
1658 JOYP(6)
1659 JOYP(7)
e3f8313f 1660
1661 { 0 },
1662 };
1663
7a8d521f 1664 frame_count = 0;
1665
e3f8313f 1666 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1667
46aa5b98 1668#ifdef FRONTEND_SUPPORTS_RGB565
7a8d521f 1669 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1670 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1671 {
1672 SysPrintf("RGB565 supported, using it\n");
1673 }
46aa5b98 1674#endif
c19aba43 1675
7a8d521f 1676 if (info == NULL || info->path == NULL)
1677 {
1678 SysPrintf("info->path required\n");
1679 return false;
1680 }
23ea11bd 1681
7a8d521f 1682 update_variables(false);
38c2028e 1683
7a8d521f 1684 if (plugins_opened)
1685 {
1686 ClosePlugins();
1687 plugins_opened = 0;
1688 }
23ea11bd 1689
7a8d521f 1690 disk_init();
9fba39a9 1691
7a8d521f 1692 extract_directory(base_dir, info->path, sizeof(base_dir));
23ea11bd 1693
7a8d521f 1694 if (is_m3u)
1695 {
1696 if (!read_m3u(info->path))
1697 {
1698 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1699 return false;
1700 }
1701 }
1702 else
1703 {
1704 char disk_label[PATH_MAX];
1705 disk_label[0] = '\0';
38c2028e 1706
7a8d521f 1707 disk_count = 1;
1708 disks[0].fname = strdup(info->path);
38c2028e 1709
7a8d521f 1710 get_disk_label(disk_label, info->path, PATH_MAX);
1711 disks[0].flabel = strdup(disk_label);
1712 }
38c2028e 1713
7a8d521f 1714 /* If this is an M3U file, attempt to set the
1715 * initial disk image */
1716 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1717 {
1718 const char *fname = disks[disk_initial_index].fname;
38c2028e 1719
7a8d521f 1720 if (fname && (*fname != '\0'))
1721 if (strcmp(disk_initial_path, fname) == 0)
1722 cd_index = disk_initial_index;
1723 }
38c2028e 1724
7a8d521f 1725 set_cd_image(disks[cd_index].fname);
1726 disk_current_index = cd_index;
38c2028e 1727
7a8d521f 1728 /* have to reload after set_cd_image for correct cdr plugin */
1729 if (LoadPlugins() == -1)
1730 {
1731 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1732 return false;
1733 }
38c2028e 1734
7a8d521f 1735 plugins_opened = 1;
1736 NetOpened = 0;
38c2028e 1737
7a8d521f 1738 if (OpenPlugins() == -1)
1739 {
1740 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1741 return false;
1742 }
23ea11bd 1743
7a8d521f 1744 /* Handle multi-disk images (i.e. PBP)
1745 * > Cannot do this until after OpenPlugins() is
1746 * called (since this sets the value of
1747 * cdrIsoMultidiskCount) */
1748 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1749 {
1750 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
38c2028e 1751
7a8d521f 1752 /* Small annoyance: We need to change the label
1753 * of disk 0, so have to clear existing entries */
1754 if (disks[0].fname != NULL)
1755 free(disks[0].fname);
1756 disks[0].fname = NULL;
38c2028e 1757
7a8d521f 1758 if (disks[0].flabel != NULL)
1759 free(disks[0].flabel);
1760 disks[0].flabel = NULL;
1761
1762 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1763 {
1764 char disk_name[PATH_MAX - 16] = { 0 };
1765 char disk_label[PATH_MAX] = { 0 };
1766
1767 disks[i].fname = strdup(info->path);
1768
1769 get_disk_label(disk_name, info->path, sizeof(disk_name));
1770 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1771 disks[i].flabel = strdup(disk_label);
1772
1773 disks[i].internal_index = i;
1774 }
1775
1776 /* This is not an M3U file, so initial disk
1777 * image has not yet been set - attempt to
1778 * do so now */
1779 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1780 {
1781 const char *fname = disks[disk_initial_index].fname;
1782
1783 if (fname && (*fname != '\0'))
1784 if (strcmp(disk_initial_path, fname) == 0)
1785 cd_index = disk_initial_index;
1786 }
1787
1788 if (cd_index > 0)
1789 {
1790 CdromId[0] = '\0';
1791 CdromLabel[0] = '\0';
1792
1793 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1794 disk_current_index = cd_index;
1795 set_cd_image(disks[cd_index].fname);
1796
1797 if (ReloadCdromPlugin() < 0)
1798 {
1799 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1800 return false;
1801 }
1802 if (CDR_open() < 0)
1803 {
1804 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1805 return false;
1806 }
1807 }
1808 }
1809
1810 /* set ports to use "standard controller" initially */
1811 for (i = 0; i < 8; ++i)
1812 in_type[i] = PSE_PAD_TYPE_STANDARD;
1813
1814 plugin_call_rearmed_cbs();
1815 /* dfinput_activate(); */
1816
8cddf575 1817 if (!is_exe && CheckCdrom() == -1)
7a8d521f 1818 {
1819 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1820 return false;
1821 }
1822
1823 SysReset();
1824
8cddf575 1825 if (is_exe)
1826 ret = Load(info->path);
1827 else
1828 ret = LoadCdrom();
1829 if (ret != 0)
7a8d521f 1830 {
8cddf575 1831 log_cb(RETRO_LOG_INFO, "could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
7a8d521f 1832 return false;
1833 }
1834 emu_on_new_cd(0);
1835
1836 set_retro_memmap();
1837 retro_set_audio_buff_status_cb();
1838
f3746eea 1839 if (check_unsatisfied_libcrypt())
1840 show_notification("LibCrypt protected game with missing SBI detected", 3000, 3);
1841
7a8d521f 1842 return true;
38c2028e 1843}
1844
1845unsigned retro_get_region(void)
1846{
7a8d521f 1847 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 1848}
1849
1850void *retro_get_memory_data(unsigned id)
1851{
7a8d521f 1852 if (id == RETRO_MEMORY_SAVE_RAM)
1853 return Mcd1Data;
1854 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1855 return psxM;
1856 else
1857 return NULL;
38c2028e 1858}
1859
1860size_t retro_get_memory_size(unsigned id)
1861{
7a8d521f 1862 if (id == RETRO_MEMORY_SAVE_RAM)
1863 return MCD_SIZE;
1864 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1865 return 0x200000;
1866 else
1867 return 0;
38c2028e 1868}
1869
1870void retro_reset(void)
1871{
7a8d521f 1872 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1873 rebootemu = 1;
1874 //SysReset();
38c2028e 1875}
1876
1877static const unsigned short retro_psx_map[] = {
7a8d521f 1878 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1879 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1880 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1881 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1882 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1883 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1884 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1885 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1886 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1887 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1888 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1889 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1890 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1891 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1892 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1893 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
38c2028e 1894};
1895#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1896
d6a231b7 1897//Percentage distance of screen to adjust for Guncon
7a8d521f 1898static int GunconAdjustX = 0;
1899static int GunconAdjustY = 0;
1900
d6a231b7 1901//Used when out by a percentage with Guncon
7a8d521f 1902static float GunconAdjustRatioX = 1;
1903static float GunconAdjustRatioY = 1;
1904
805fe9bc 1905static void update_variables(bool in_flight)
e268a47e 1906{
e268a47e 1907 struct retro_variable var;
7a8d521f 1908#ifdef GPU_PEOPS
1909 // Always enable GPU_PEOPS_OLD_FRAME_SKIP flag
1910 // (this is set in standalone, with no option
1911 // to change it)
1912 int gpu_peops_fix = GPU_PEOPS_OLD_FRAME_SKIP;
1913#endif
1914 frameskip_type_t prev_frameskip_type;
1915
1916 var.value = NULL;
1917 var.key = "pcsx_rearmed_frameskip_type";
1918
1919 prev_frameskip_type = frameskip_type;
1920 frameskip_type = FRAMESKIP_NONE;
1921 pl_rearmed_cbs.frameskip = 0;
1922
1923 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1924 {
1925 if (strcmp(var.value, "auto") == 0)
1926 frameskip_type = FRAMESKIP_AUTO;
1927 if (strcmp(var.value, "auto_threshold") == 0)
1928 frameskip_type = FRAMESKIP_AUTO_THRESHOLD;
1929 if (strcmp(var.value, "fixed_interval") == 0)
1930 frameskip_type = FRAMESKIP_FIXED_INTERVAL;
1931 }
1932
1933 if (frameskip_type != 0)
1934 pl_rearmed_cbs.frameskip = -1;
7d68d030 1935
e268a47e 1936 var.value = NULL;
7a8d521f 1937 var.key = "pcsx_rearmed_frameskip_threshold";
1938 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1939 {
1940 frameskip_threshold = strtol(var.value, NULL, 10);
1941 }
e268a47e 1942
7a8d521f 1943 var.value = NULL;
1944 var.key = "pcsx_rearmed_frameskip_interval";
1945 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1946 {
1947 frameskip_interval = strtol(var.value, NULL, 10);
1948 }
9f5a28d9 1949
1950 var.value = NULL;
4e477065 1951 var.key = "pcsx_rearmed_region";
7a8d521f 1952 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 1953 {
1954 Config.PsxAuto = 0;
7a8d521f 1955 if (strcmp(var.value, "auto") == 0)
9f5a28d9 1956 Config.PsxAuto = 1;
1957 else if (strcmp(var.value, "NTSC") == 0)
1958 Config.PsxType = 0;
1959 else if (strcmp(var.value, "PAL") == 0)
1960 Config.PsxType = 1;
1961 }
4615b075 1962
7a8d521f 1963 update_multitap();
1964
4615b075 1965 var.value = NULL;
7a8d521f 1966 var.key = "pcsx_rearmed_negcon_deadzone";
1967 negcon_deadzone = 0;
1968 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1969 {
1970 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1971 }
4615b075 1972
7a8d521f 1973 var.value = NULL;
1974 var.key = "pcsx_rearmed_negcon_response";
1975 negcon_linearity = 1;
1976 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4615b075 1977 {
7a8d521f 1978 if (strcmp(var.value, "quadratic") == 0)
1979 {
1980 negcon_linearity = 2;
1981 }
1982 else if (strcmp(var.value, "cubic") == 0)
1983 {
1984 negcon_linearity = 3;
1985 }
1986 }
1987
1988 var.value = NULL;
1989 var.key = "pcsx_rearmed_analog_axis_modifier";
1990 axis_bounds_modifier = true;
1991 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1992 {
1993 if (strcmp(var.value, "square") == 0)
1994 {
1995 axis_bounds_modifier = true;
1996 }
1997 else if (strcmp(var.value, "circle") == 0)
1998 {
1999 axis_bounds_modifier = false;
2000 }
2001 }
2002
2003 var.value = NULL;
2004 var.key = "pcsx_rearmed_vibration";
2005
2006 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2007 {
2008 if (strcmp(var.value, "disabled") == 0)
2009 in_enable_vibration = 0;
2010 else if (strcmp(var.value, "enabled") == 0)
2011 in_enable_vibration = 1;
4615b075 2012 }
2013
4e477065 2014 var.value = NULL;
7a8d521f 2015 var.key = "pcsx_rearmed_dithering";
4e477065 2016
7a8d521f 2017 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4e477065 2018 {
7a8d521f 2019 if (strcmp(var.value, "disabled") == 0)
2020 {
2021 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
2022 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
2023 pl_rearmed_cbs.gpu_unai.dithering = 0;
2024#ifdef GPU_NEON
2025 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
2026#endif
2027 }
2028 else if (strcmp(var.value, "enabled") == 0)
2029 {
2030 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2031 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
2032 pl_rearmed_cbs.gpu_unai.dithering = 1;
2033#ifdef GPU_NEON
2034 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
2035#endif
2036 }
4e477065 2037 }
2038
7a8d521f 2039#ifdef GPU_NEON
2040 var.value = NULL;
fdcde643 2041 var.key = "pcsx_rearmed_neon_interlace_enable_v2";
9f5a28d9 2042
7a8d521f 2043 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 2044 {
2045 if (strcmp(var.value, "disabled") == 0)
2046 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
2047 else if (strcmp(var.value, "enabled") == 0)
2048 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
fdcde643 2049 else // auto
2050 pl_rearmed_cbs.gpu_neon.allow_interlace = 2;
9f5a28d9 2051 }
2052
7d68d030 2053 var.value = NULL;
55e5626b 2054 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 2055
7a8d521f 2056 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
7d68d030 2057 {
2058 if (strcmp(var.value, "disabled") == 0)
2059 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
2060 else if (strcmp(var.value, "enabled") == 0)
2061 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
2062 }
354329fa 2063
2064 var.value = NULL;
55e5626b 2065 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 2066
7a8d521f 2067 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
354329fa 2068 {
2069 if (strcmp(var.value, "disabled") == 0)
2070 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
2071 else if (strcmp(var.value, "enabled") == 0)
2072 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
2073 }
094ec204 2074#endif
0e5a7b7d 2075
7a8d521f 2076 var.value = NULL;
0e5a7b7d 2077 var.key = "pcsx_rearmed_duping_enable";
2078
7a8d521f 2079 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
0e5a7b7d 2080 {
7a8d521f 2081 if (strcmp(var.value, "disabled") == 0)
0e5a7b7d 2082 duping_enable = false;
7a8d521f 2083 else if (strcmp(var.value, "enabled") == 0)
0e5a7b7d 2084 duping_enable = true;
2085 }
2086
7a8d521f 2087 var.value = NULL;
2088 var.key = "pcsx_rearmed_display_internal_fps";
2089
2090 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2091 {
2092 if (strcmp(var.value, "disabled") == 0)
2093 display_internal_fps = false;
2094 else if (strcmp(var.value, "enabled") == 0)
2095 display_internal_fps = true;
2096 }
2097
2098 //
2099 // CPU emulation related config
48f615ba 2100#ifndef DRC_DISABLE
2101 var.value = NULL;
4e477065 2102 var.key = "pcsx_rearmed_drc";
48f615ba 2103
7a8d521f 2104 if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
2105 var.value = "enabled";
2106
48f615ba 2107 {
2108 R3000Acpu *prev_cpu = psxCpu;
2109
7a8d521f 2110#ifdef _3DS
2111 if (!__ctr_svchax)
2112 Config.Cpu = CPU_INTERPRETER;
2113 else
2114#endif
1da9b9ae 2115 if (strcmp(var.value, "disabled") == 0)
48f615ba 2116 Config.Cpu = CPU_INTERPRETER;
2117 else if (strcmp(var.value, "enabled") == 0)
2118 Config.Cpu = CPU_DYNAREC;
2119
2120 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
7a8d521f 2121 if (psxCpu != prev_cpu)
2122 {
980f7a58 2123 prev_cpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
48f615ba 2124 prev_cpu->Shutdown();
2125 psxCpu->Init();
980f7a58 2126 psxCpu->Reset();
2127 psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
48f615ba 2128 }
2129 }
7a8d521f 2130#endif /* !DRC_DISABLE */
2131
2132 var.value = NULL;
2133 var.key = "pcsx_rearmed_psxclock";
2134 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2135 {
2136 int psxclock = atoi(var.value);
2137 Config.cycle_multiplier = 10000 / psxclock;
2138 }
2139
2140#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
2141 var.value = NULL;
2142 var.key = "pcsx_rearmed_nosmccheck";
2143 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2144 {
2145 if (strcmp(var.value, "enabled") == 0)
2146 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2147 else
2148 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2149 }
2150
2151 var.value = NULL;
2152 var.key = "pcsx_rearmed_gteregsunneeded";
2153 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2154 {
2155 if (strcmp(var.value, "enabled") == 0)
2156 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2157 else
2158 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2159 }
2160
2161 var.value = NULL;
2162 var.key = "pcsx_rearmed_nogteflags";
2163 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2164 {
2165 if (strcmp(var.value, "enabled") == 0)
2166 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2167 else
2168 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2169 }
2170
2171 var.value = NULL;
2172 var.key = "pcsx_rearmed_nocompathacks";
2173 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2174 {
2175 if (strcmp(var.value, "enabled") == 0)
2176 new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
2177 else
2178 new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
2179 }
2180#endif /* !DRC_DISABLE && !LIGHTREC */
2181
2182 var.value = NULL;
2183 var.key = "pcsx_rearmed_nostalls";
2184 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2185 {
2186 if (strcmp(var.value, "enabled") == 0)
2187 Config.DisableStalls = 1;
2188 else
2189 Config.DisableStalls = 0;
2190 }
2191
2192 var.value = NULL;
2193 var.key = "pcsx_rearmed_icache_emulation";
2194 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2195 {
2196 if (strcmp(var.value, "disabled") == 0)
2197 Config.icache_emulation = 0;
2198 else if (strcmp(var.value, "enabled") == 0)
2199 Config.icache_emulation = 1;
2200 }
2201
bc7c5acb 2202 var.value = NULL;
2203 var.key = "pcsx_rearmed_exception_emulation";
2204 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2205 {
2206 if (strcmp(var.value, "enabled") == 0)
2207 Config.PreciseExceptions = 1;
2208 else
2209 Config.PreciseExceptions = 0;
2210 }
2211
32631e6a 2212 psxCpu->ApplyConfig();
805fe9bc 2213
7a8d521f 2214 // end of CPU emu config
2215 //
2216
2217 var.value = NULL;
01394a7f 2218 var.key = "pcsx_rearmed_spu_reverb";
2219
7a8d521f 2220 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2221 {
7a8d521f 2222 if (strcmp(var.value, "disabled") == 0)
01394a7f 2223 spu_config.iUseReverb = false;
7a8d521f 2224 else if (strcmp(var.value, "enabled") == 0)
01394a7f 2225 spu_config.iUseReverb = true;
2226 }
2227
7a8d521f 2228 var.value = NULL;
01394a7f 2229 var.key = "pcsx_rearmed_spu_interpolation";
2230
7a8d521f 2231 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2232 {
2233 if (strcmp(var.value, "simple") == 0)
2234 spu_config.iUseInterpolation = 1;
2235 else if (strcmp(var.value, "gaussian") == 0)
2236 spu_config.iUseInterpolation = 2;
2237 else if (strcmp(var.value, "cubic") == 0)
2238 spu_config.iUseInterpolation = 3;
2239 else if (strcmp(var.value, "off") == 0)
2240 spu_config.iUseInterpolation = 0;
2241 }
2242
efbe0f77 2243#if P_HAVE_PTHREAD
16809ab9 2244 var.value = NULL;
2245 var.key = "pcsx_rearmed_spu_thread";
2246 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2247 {
2248 if (strcmp(var.value, "enabled") == 0)
2249 spu_config.iUseThread = 1;
2250 else
2251 spu_config.iUseThread = 0;
2252 }
efbe0f77 2253#endif
16809ab9 2254
606bece1 2255#if 0 // currently disabled, see USE_READ_THREAD in libpcsxcore/cdriso.c
9165d434 2256 if (P_HAVE_PTHREAD) {
f28d12a7
PC		 2257 var.value = NULL;
2258 var.key = "pcsx_rearmed_async_cd";
2259 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2260 {
2261 if (strcmp(var.value, "async") == 0)
2262 {
2263 Config.AsyncCD = 1;
2264 Config.CHD_Precache = 0;
2265 }
2266 else if (strcmp(var.value, "sync") == 0)
2267 {
2268 Config.AsyncCD = 0;
2269 Config.CHD_Precache = 0;
2270 }
2271 else if (strcmp(var.value, "precache") == 0)
2272 {
2273 Config.AsyncCD = 0;
2274 Config.CHD_Precache = 1;
2275 }
2276 }
7a8d521f 2277 }
606bece1 2278#endif
7a8d521f 2279
2280 var.value = NULL;
2281 var.key = "pcsx_rearmed_noxadecoding";
2282 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2283 {
2284 if (strcmp(var.value, "disabled") == 0)
2285 Config.Xa = 1;
2286 else
2287 Config.Xa = 0;
2288 }
2289
2290 var.value = NULL;
2291 var.key = "pcsx_rearmed_nocdaudio";
2292 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2293 {
2294 if (strcmp(var.value, "disabled") == 0)
2295 Config.Cdda = 1;
2296 else
2297 Config.Cdda = 0;
2298 }
2299
8c84ba5f 2300 var.value = NULL;
2301 var.key = "pcsx_rearmed_gpu_slow_llists";
2302 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2303 {
2304 if (strcmp(var.value, "disabled") == 0)
308c6e67 2305 Config.GpuListWalking = 0;
8c84ba5f 2306 else if (strcmp(var.value, "enabled") == 0)
308c6e67 2307 Config.GpuListWalking = 1;
8c84ba5f 2308 else // auto
308c6e67 2309 Config.GpuListWalking = -1;
2310 }
2311
2312 var.value = NULL;
2313 var.key = "pcsx_rearmed_screen_centering";
2314 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2315 {
2316 if (strcmp(var.value, "game") == 0)
2317 pl_rearmed_cbs.screen_centering_type = 1;
44e76f8a 2318 else if (strcmp(var.value, "borderless") == 0)
308c6e67 2319 pl_rearmed_cbs.screen_centering_type = 2;
44e76f8a 2320 else if (strcmp(var.value, "manual") == 0)
2321 pl_rearmed_cbs.screen_centering_type = 3;
308c6e67 2322 else // auto
2323 pl_rearmed_cbs.screen_centering_type = 0;
2324 }
2325
2326 var.value = NULL;
2327 var.key = "pcsx_rearmed_screen_centering_x";
2328 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2329 {
2330 pl_rearmed_cbs.screen_centering_x = atoi(var.value);
2331 }
2332
2333 var.value = NULL;
2334 var.key = "pcsx_rearmed_screen_centering_y";
2335 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2336 {
2337 pl_rearmed_cbs.screen_centering_y = atoi(var.value);
8c84ba5f 2338 }
2339
7a8d521f 2340#ifdef THREAD_RENDERING
2341 var.key = "pcsx_rearmed_gpu_thread_rendering";
2342 var.value = NULL;
2343
2344 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2345 {
2346 if (strcmp(var.value, "disabled") == 0)
2347 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
2348 else if (strcmp(var.value, "sync") == 0)
2349 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
2350 else if (strcmp(var.value, "async") == 0)
2351 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
2352 }
2353#endif
2354
2355#ifdef GPU_PEOPS
2356 var.value = NULL;
2357 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
2358
2359 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2360 {
2361 if (strcmp(var.value, "enabled") == 0)
2362 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
2363 }
2364
2365 var.value = NULL;
2366 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
2367
2368 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2369 {
2370 if (strcmp(var.value, "enabled") == 0)
2371 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
2372 }
2373
2374 var.value = NULL;
2375 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
2376
2377 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2378 {
2379 if (strcmp(var.value, "enabled") == 0)
2380 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
2381 }
2382
2383 var.value = NULL;
2384 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
2385
2386 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2387 {
2388 if (strcmp(var.value, "enabled") == 0)
2389 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
2390 }
2391
2392 var.value = NULL;
2393 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
2394
2395 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2396 {
2397 if (strcmp(var.value, "enabled") == 0)
2398 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
2399 }
2400
2401 var.value = NULL;
2402 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
2403
2404 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2405 {
2406 if (strcmp(var.value, "enabled") == 0)
2407 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
2408 }
2409
2410 var.value = NULL;
2411 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
2412
2413 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2414 {
2415 if (strcmp(var.value, "enabled") == 0)
2416 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
2417 }
2418
2419 var.value = NULL;
2420 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
2421
2422 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2423 {
2424 if (strcmp(var.value, "enabled") == 0)
2425 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
2426 }
2427
2428 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
2429 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
2430#endif
2431
2432#ifdef GPU_UNAI
2433 /* Note: This used to be an option, but it only works
2434 * (correctly) when running high resolution games
2435 * (480i, 512i) and has been obsoleted by
2436 * pcsx_rearmed_gpu_unai_scale_hires */
2437 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2438 /* Note: This used to be an option, but it has no
2439 * discernable effect and has been obsoleted by
2440 * pcsx_rearmed_gpu_unai_scale_hires */
2441 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2442
2443 var.key = "pcsx_rearmed_gpu_unai_lighting";
2444 var.value = NULL;
2445
2446 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2447 {
2448 if (strcmp(var.value, "disabled") == 0)
2449 pl_rearmed_cbs.gpu_unai.lighting = 0;
2450 else if (strcmp(var.value, "enabled") == 0)
2451 pl_rearmed_cbs.gpu_unai.lighting = 1;
2452 }
2453
2454 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2455 var.value = NULL;
2456
2457 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2458 {
2459 if (strcmp(var.value, "disabled") == 0)
2460 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2461 else if (strcmp(var.value, "enabled") == 0)
2462 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2463 }
2464
2465 var.key = "pcsx_rearmed_gpu_unai_blending";
2466 var.value = NULL;
2467
2468 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2469 {
2470 if (strcmp(var.value, "disabled") == 0)
2471 pl_rearmed_cbs.gpu_unai.blending = 0;
2472 else if (strcmp(var.value, "enabled") == 0)
2473 pl_rearmed_cbs.gpu_unai.blending = 1;
2474 }
2475
2476 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2477 var.value = NULL;
2478
2479 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2480 {
2481 if (strcmp(var.value, "disabled") == 0)
2482 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2483 else if (strcmp(var.value, "enabled") == 0)
2484 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2485 }
2486#endif // GPU_UNAI
2487
d6a231b7
S		 2488 var.value = NULL;
2489 var.key = "pcsx_rearmed_crosshair1";
2490
2491 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2492 {
2493 if (strcmp(var.value, "disabled") == 0)
2494 in_enable_crosshair[0] = 0;
2495 else if (strcmp(var.value, "blue") == 0)
2496 in_enable_crosshair[0] = 0x1F;
2497 else if (strcmp(var.value, "green") == 0)
2498 in_enable_crosshair[0] = 0x7E0;
2499 else if (strcmp(var.value, "red") == 0)
2500 in_enable_crosshair[0] = 0xF800;
2501 else if (strcmp(var.value, "white") == 0)
2502 in_enable_crosshair[0] = 0xFFFF;
2503 }
2504
2505 var.value = NULL;
2506 var.key = "pcsx_rearmed_crosshair2";
2507
2508 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2509 {
2510 if (strcmp(var.value, "disabled") == 0)
2511 in_enable_crosshair[1] = 0;
2512 else if (strcmp(var.value, "blue") == 0)
2513 in_enable_crosshair[1] = 0x1F;
2514 else if (strcmp(var.value, "green") == 0)
2515 in_enable_crosshair[1] = 0x7E0;
2516 else if (strcmp(var.value, "red") == 0)
2517 in_enable_crosshair[1] = 0xF800;
2518 else if (strcmp(var.value, "white") == 0)
2519 in_enable_crosshair[1] = 0xFFFF;
2520 }
2521
7a8d521f 2522 //This adjustment process gives the user the ability to manually align the mouse up better
2523 //with where the shots are in the emulator.
2524
d6a231b7
S		 2525 var.value = NULL;
2526 var.key = "pcsx_rearmed_konamigunadjustx";
2527
2528 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2529 {
2530 KonamiGunAdjustX = atof(var.value) / 100.0f;
2531 }
2532
2533 var.value = NULL;
2534 var.key = "pcsx_rearmed_konamigunadjusty";
2535
2536 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2537 {
2538 KonamiGunAdjustY = atof(var.value) / 100.0f;
2539 }
2540
7a8d521f 2541 var.value = NULL;
2542 var.key = "pcsx_rearmed_gunconadjustx";
2543
2544 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2545 {
2546 GunconAdjustX = atoi(var.value);
2547 }
2548
2549 var.value = NULL;
2550 var.key = "pcsx_rearmed_gunconadjusty";
2551
2552 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2553 {
2554 GunconAdjustY = atoi(var.value);
2555 }
2556
2557 var.value = NULL;
2558 var.key = "pcsx_rearmed_gunconadjustratiox";
2559
2560 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2561 {
2562 GunconAdjustRatioX = atof(var.value);
2563 }
2564
2565 var.value = NULL;
2566 var.key = "pcsx_rearmed_gunconadjustratioy";
2567
2568 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2569 {
2570 GunconAdjustRatioY = atof(var.value);
2571 }
2572
2573 var.value = NULL;
2574 var.key = "pcsx_rearmed_input_sensitivity";
2575 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2576 {
2577 mouse_sensitivity = atof(var.value);
2578 }
2579
606bece1 2580 if (found_bios)
2581 {
2582 var.value = NULL;
2583 var.key = "pcsx_rearmed_show_bios_bootlogo";
2584 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2585 {
2586 Config.SlowBoot = 0;
2587 if (strcmp(var.value, "enabled") == 0)
2588 Config.SlowBoot = 1;
2589 }
2590 }
2591
7a8d521f 2592 if (in_flight)
2593 {
32ab9e53
TJ		 2594 // inform core things about possible config changes
2595 plugin_call_rearmed_cbs();
805fe9bc 2596
7a8d521f 2597 if (GPU_open != NULL && GPU_close != NULL)
2598 {
32ab9e53
TJ		 2599 GPU_close();
2600 GPU_open(&gpuDisp, "PCSX", NULL);
2601 }
805fe9bc 2602
7a8d521f 2603 /* Reinitialise frameskipping, if required */
2604 if (((frameskip_type != prev_frameskip_type)))
2605 retro_set_audio_buff_status_cb();
2606
2607 /* dfinput_activate(); */
32ab9e53 2608 }
7a8d521f 2609
2610 update_option_visibility();
e268a47e 2611}
2612
7a8d521f 2613// Taken from beetle-psx-libretro
2614static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
38c2028e 2615{
7a8d521f 2616 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2617 // feature (or pre-date it) so we need to handle this in a graceful way.
2618
2619 // First, try and get an analog value using the new libretro API constant
2620 uint16_t button = input_state_cb(player_index,
2621 RETRO_DEVICE_ANALOG,
2622 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2623 id);
2624 button = MIN(button / 128, 255);
38c2028e 2625
7a8d521f 2626 if (button == 0)
2627 {
2628 // If we got exactly zero, we're either not pressing the button, or the front-end
2629 // is not reporting analog values. We need to do a second check using the classic
2630 // digital API method, to at least get some response - better than nothing.
e268a47e 2631
7a8d521f 2632 // NOTE: If we're really just not holding the button, we're still going to get zero.
e268a47e 2633
7a8d521f 2634 button = (ret & (1 << id)) ? 255 : 0;
2635 }
38c2028e 2636
7a8d521f 2637 return button;
2638}
4615b075 2639
7a8d521f 2640unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2641{
2642 float modifier_axis_range = 0;
2643
2644 if (is_square)
2645 {
2646 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2647 if (modifier_axis_range < 0)
2648 {
2649 modifier_axis_range = 0;
2650 }
2651 else if (modifier_axis_range > 255)
2652 {
2653 modifier_axis_range = 255;
2654 }
2655 }
2656 else
2657 {
2658 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2659 }
38c2028e 2660
7a8d521f 2661 return modifier_axis_range;
38c2028e 2662}
2663
7a8d521f 2664static void update_input_guncon(int port, int ret)
74ebc05b 2665{
7a8d521f 2666 //ToDo:
7a8d521f 2667 //Separate pointer and lightgun control types
2668
2669 //Mouse range is -32767 -> 32767
2670 //1% is about 655
2671 //Use the left analog stick field to store the absolute coordinates
2db412ad 2672
2673 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
2674 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
2675
2676 //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
2677 //Offscreen value is chosen to be well out of range of any possible scaling done via core options
7a8d521f 2678 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
2679 {
f6eb0b1c 2680 in_analog_left[port][0] = 65536;
2681 in_analog_left[port][1] = 65536;
7a8d521f 2682 }
2683 else
2684 {
f6eb0b1c 2685 in_analog_left[port][0] = ((gunx * GunconAdjustRatioX) + (GunconAdjustX * 655)) / 64 + 512;
2686 in_analog_left[port][1] = ((guny * GunconAdjustRatioY) + (GunconAdjustY * 655)) / 64 + 512;
7a8d521f 2687 }
2688
2689 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
74ebc05b 2690
7a8d521f 2691 // Trigger
2692 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
2693 in_keystate[port] |= (1 << DKEY_CIRCLE);
74ebc05b 2694
7a8d521f 2695 // A
2696 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
2697 in_keystate[port] |= (1 << DKEY_START);
74ebc05b 2698
7a8d521f 2699 // B
2700 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B))
2701 in_keystate[port] |= (1 << DKEY_CROSS);
2702
2703}
74ebc05b 2704
d6a231b7
S		 2705static void update_input_justifier(int port, int ret)
2706{
2707 //ToDo:
2708 //Separate pointer and lightgun control types
2709
2710 //RetroArch lightgun range is -32767 -> 32767 on both axes (positive Y is down)
2711
2712 //JUSTIFIER has 3 controls, Trigger,Special,Start which equal Square,Cross,Start
2713
2714 // Trigger
2715 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
2716 in_keystate[port] |= (1 << DKEY_SQUARE);
2717
2718 // Special
2719 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
2720 in_keystate[port] |= (1 << DKEY_CROSS);
2721
2722 // Start
2723 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_START))
2724 in_keystate[port] |= (1 << DKEY_START);
2725
2726}
2727
7a8d521f 2728static void update_input_negcon(int port, int ret)
2729{
2730 int lsx;
2731 int rsy;
2732 int negcon_i_rs;
2733 int negcon_ii_rs;
2734 float negcon_twist_amplitude;
2735
2736 // Query digital inputs
2737 //
2738 // > Pad-Up
2739 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2740 in_keystate[port] |= (1 << DKEY_UP);
2741 // > Pad-Right
2742 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2743 in_keystate[port] |= (1 << DKEY_RIGHT);
2744 // > Pad-Down
2745 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2746 in_keystate[port] |= (1 << DKEY_DOWN);
2747 // > Pad-Left
2748 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2749 in_keystate[port] |= (1 << DKEY_LEFT);
2750 // > Start
2751 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2752 in_keystate[port] |= (1 << DKEY_START);
2753 // > neGcon A
2754 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2755 in_keystate[port] |= (1 << DKEY_CIRCLE);
2756 // > neGcon B
2757 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2758 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2759 // > neGcon R shoulder (digital)
2760 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2761 in_keystate[port] |= (1 << DKEY_R1);
2762 // Query analog inputs
2763 //
2764 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2765 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2766 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2767 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2768 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2769 // So we just have to map in_analog_left/right to more
2770 // appropriate inputs...
2771 //
2772 // > NeGcon twist
2773 // >> Get raw analog stick value and account for deadzone
2774 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2775 if (lsx > negcon_deadzone)
2776 lsx = lsx - negcon_deadzone;
2777 else if (lsx < -negcon_deadzone)
2778 lsx = lsx + negcon_deadzone;
2779 else
2780 lsx = 0;
2781 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2782 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2783 if (negcon_linearity == 2)
2784 {
2785 if (negcon_twist_amplitude < 0.0)
2786 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2787 else
2788 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2789 }
2790 else if (negcon_linearity == 3)
2791 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2792 // >> Convert to final 'in_analog' integer value [0,255]
2793 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2794 // > NeGcon I + II
2795 // >> Handle right analog stick vertical axis mapping...
2796 // - Up (-Y) == accelerate == neGcon I
2797 // - Down (+Y) == brake == neGcon II
2798 negcon_i_rs = 0;
2799 negcon_ii_rs = 0;
2800 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2801 if (rsy >= 0)
2802 {
2803 // Account for deadzone
2804 // (Note: have never encountered a gamepad with significant differences
2805 // in deadzone between left/right analog sticks, so use the regular 'twist'
2806 // deadzone here)
2807 if (rsy > negcon_deadzone)
2808 rsy = rsy - negcon_deadzone;
2809 else
2810 rsy = 0;
2811 // Convert to 'in_analog' integer value [0,255]
2812 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2813 }
2814 else
2815 {
2816 if (rsy < -negcon_deadzone)
2817 rsy = -1 * (rsy + negcon_deadzone);
2818 else
2819 rsy = 0;
2820 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2821 }
2822 // >> NeGcon I
2823 in_analog_right[port][1] = MAX(
2824 MAX(
2825 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2826 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2827 negcon_i_rs);
2828 // >> NeGcon II
2829 in_analog_left[port][0] = MAX(
2830 MAX(
2831 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2832 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2833 negcon_ii_rs);
2834 // > NeGcon L
2835 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2836}
2837
2838static void update_input_mouse(int port, int ret)
2839{
2840 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2841 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2842
2843 int x = (int)roundf(raw_x * mouse_sensitivity);
2844 int y = (int)roundf(raw_y * mouse_sensitivity);
2845
2846 if (x > 127) x = 127;
2847 else if (x < -128) x = -128;
2848
2849 if (y > 127) y = 127;
2850 else if (y < -128) y = -128;
2851
2852 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2853 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2854
2855 /* left mouse button state */
2856 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2857 in_keystate[port] |= 1 << 11;
2858
2859 /* right mouse button state */
2860 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2861 in_keystate[port] |= 1 << 10;
74ebc05b 2862}
2863
7a8d521f 2864static void update_input(void)
2865{
2866 // reset all keystate, query libretro for keystate
2867 int i;
2868 int j;
2869
2870 for (i = 0; i < PORTS_NUMBER; i++)
2871 {
2872 int16_t ret = 0;
2873 int type = in_type[i];
2874
2875 in_keystate[i] = 0;
2876
2877 if (type == PSE_PAD_TYPE_NONE)
2878 continue;
2879
2880 if (libretro_supports_bitmasks)
2881 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2882 else
2883 {
2884 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2885 {
2886 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2887 ret |= (1 << j);
2888 }
2889 }
2890
2891 switch (type)
2892 {
2893 case PSE_PAD_TYPE_GUNCON:
2894 update_input_guncon(i, ret);
2895 break;
d6a231b7
S		 2896 case PSE_PAD_TYPE_GUN:
2897 update_input_justifier(i, ret);
2898 break;
7a8d521f 2899 case PSE_PAD_TYPE_NEGCON:
2900 update_input_negcon(i, ret);
2901 break;
2902 case PSE_PAD_TYPE_MOUSE:
2903 update_input_mouse(i, ret);
2904 break;
2905 default:
2906 // Query digital inputs
2907 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2908 if (ret & (1 << j))
2909 in_keystate[i] |= retro_psx_map[j];
2910
2911 // Query analog inputs
2912 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2913 {
2914 in_analog_left[i][0] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X), axis_bounds_modifier);
2915 in_analog_left[i][1] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y), axis_bounds_modifier);
2916 in_analog_right[i][0] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X), axis_bounds_modifier);
2917 in_analog_right[i][1] = axis_range_modifier(input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y), axis_bounds_modifier);
2918 }
2919 }
2920 }
2921}
2922
2923static void print_internal_fps(void)
2924{
2925 if (display_internal_fps)
2926 {
2927 frame_count++;
2928
2929 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2930 {
2931 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2932 char str[64];
2933 const char *strc = (const char *)str;
2934
2935 str[0] = '\0';
2936
2937 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2938
2939 pl_rearmed_cbs.flip_cnt = 0;
2940
2941 if (msg_interface_version >= 1)
2942 {
2943 struct retro_message_ext msg = {
2944 strc,
2945 3000,
2946 1,
2947 RETRO_LOG_INFO,
2948 RETRO_MESSAGE_TARGET_OSD,
2949 RETRO_MESSAGE_TYPE_STATUS,
2950 -1
2951 };
2952 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2953 }
2954 else
2955 {
2956 struct retro_message msg = {
2957 strc,
2958 180
2959 };
2960 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2961 }
2962 }
2963 }
2964 else
2965 frame_count = 0;
2966}
2967
2968void retro_run(void)
2969{
2970 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2971 if (rebootemu != 0)
2972 {
2973 rebootemu = 0;
2974 SysReset();
d512faf7 2975 if (Config.HLE)
2976 LoadCdrom();
7a8d521f 2977 }
2978
5d9e675a 2979 set_vout_fb();
7a8d521f 2980 print_internal_fps();
2981
2982 /* Check whether current frame should
2983 * be skipped */
2984 pl_rearmed_cbs.fskip_force = 0;
2985 pl_rearmed_cbs.fskip_dirty = 0;
2986
2987 if (frameskip_type != FRAMESKIP_NONE)
2988 {
2989 bool skip_frame = false;
2990
2991 switch (frameskip_type)
2992 {
2993 case FRAMESKIP_AUTO:
2994 skip_frame = retro_audio_buff_active && retro_audio_buff_underrun;
2995 break;
2996 case FRAMESKIP_AUTO_THRESHOLD:
2997 skip_frame = retro_audio_buff_active && (retro_audio_buff_occupancy < frameskip_threshold);
2998 break;
2999 case FRAMESKIP_FIXED_INTERVAL:
3000 skip_frame = true;
3001 break;
3002 default:
3003 break;
3004 }
3005
3006 if (skip_frame && frameskip_counter < frameskip_interval)
3007 pl_rearmed_cbs.fskip_force = 1;
3008 }
3009
3010 /* If frameskip/timing settings have changed,
3011 * update frontend audio latency
3012 * > Can do this before or after the frameskip
3013 * check, but doing it after means we at least
3014 * retain the current frame's audio output */
3015 if (update_audio_latency)
3016 {
3017 environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
3018 &retro_audio_latency);
3019 update_audio_latency = false;
3020 }
3021
3022 input_poll_cb();
3023
3024 update_input();
3025
3026 bool updated = false;
3027 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
3028 update_variables(true);
3029
3030 stop = 0;
3031 psxCpu->Execute();
3032
3033 if (pl_rearmed_cbs.fskip_dirty == 1) {
3034 if (frameskip_counter < frameskip_interval)
3035 frameskip_counter++;
3036 else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
3037 frameskip_counter = 0;
3038 }
3039
3040 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
5d9e675a 3041 vout_width, vout_height, vout_pitch * 2);
7a8d521f 3042 vout_fb_dirty = 0;
7a8d521f 3043}
3044
4a1d78d4 3045static bool try_use_bios(const char *path, bool preferred_only)
7a8d521f 3046{
3047 long size;
3048 const char *name;
3049 FILE *fp = fopen(path, "rb");
3050 if (fp == NULL)
3051 return false;
3052
3053 fseek(fp, 0, SEEK_END);
3054 size = ftell(fp);
3055 fclose(fp);
3056
7a8d521f 3057 name = strrchr(path, SLASH);
3058 if (name++ == NULL)
3059 name = path;
4a1d78d4 3060
3061 if (preferred_only && size != 512 * 1024)
3062 return false;
3063 if (size != 512 * 1024 && size != 4 * 1024 * 1024)
3064 return false;
3065 if (strstr(name, "unirom"))
3066 return false;
3067 // jp bios have an addidional region check
3068 if (preferred_only && (strcasestr(name, "00.") || strcasestr(name, "j.bin")))
3069 return false;
3070
7a8d521f 3071 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
3072 return true;
3073}
3074
3075#ifndef VITA
74ebc05b 3076#include <sys/types.h>
3077#include <dirent.h>
3078
3079static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
3080{
4a1d78d4 3081 static const char *substr_pref[] = { "scph", "ps" };
3082 static const char *substr_alt[] = { "scph", "ps", "openbios" };
7a8d521f 3083 DIR *dir;
3084 struct dirent *ent;
3085 bool ret = false;
378428ac 3086 size_t i;
74ebc05b 3087
7a8d521f 3088 dir = opendir(dirpath);
3089 if (dir == NULL)
3090 return false;
74ebc05b 3091
4a1d78d4 3092 // try to find a "better" bios
3093 while ((ent = readdir(dir)))
7a8d521f 3094 {
4a1d78d4 3095 for (i = 0; i < sizeof(substr_pref) / sizeof(substr_pref[0]); i++)
378428ac 3096 {
4a1d78d4 3097 const char *substr = substr_pref[i];
3098 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
378428ac 3099 continue;
4a1d78d4 3100 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
3101 ret = try_use_bios(path, true);
3102 if (ret)
3103 goto finish;
3104 }
3105 }
378428ac 3106
4a1d78d4 3107 // another pass to look for anything fitting, even ps2 bios
3108 rewinddir(dir);
3109 while ((ent = readdir(dir)))
3110 {
3111 for (i = 0; i < sizeof(substr_alt) / sizeof(substr_alt[0]); i++)
3112 {
3113 const char *substr = substr_alt[i];
3114 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
3115 continue;
378428ac 3116 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
4a1d78d4 3117 ret = try_use_bios(path, false);
378428ac 3118 if (ret)
4a1d78d4 3119 goto finish;
378428ac 3120 }
7a8d521f 3121 }
4a1d78d4 3122
3123
3124finish:
7a8d521f 3125 closedir(dir);
3126 return ret;
74ebc05b 3127}
3128#else
3129#define find_any_bios(...) false
3130#endif
3131
11813b9d 3132static void check_system_specs(void)
3133{
3134 unsigned level = 6;
3135 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
3136}
3137
7a8d521f 3138static int init_memcards(void)
3139{
3140 int ret = 0;
3141 const char *dir;
3142 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
3143 static const char CARD2_FILE[] = "pcsx-card2.mcd";
3144
3145 // Memcard2 will be handled and is re-enabled if needed using core
3146 // operations.
3147 // Memcard1 is handled by libretro, doing this will set core to
3148 // skip file io operations for memcard1 like SaveMcd
3149 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
3150 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
3151 init_memcard(Mcd1Data);
3152 // Memcard 2 is managed by the emulator on the filesystem,
3153 // There is no need to initialize Mcd2Data like Mcd1Data.
3154
3155 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
3156 {
3157 SysPrintf("Memcard 2: %s\n", var.value);
3158 if (memcmp(var.value, "enabled", 7) == 0)
3159 {
3160 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
3161 {
3162 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
3163 {
3164 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
3165 ret = -1;
3166 }
3167 else
3168 {
3169 McdDisable[1] = 0;
3170 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
3171 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
3172 }
3173 }
3174 else
3175 {
3176 SysPrintf("Could not get save directory! Could not create memcard 2.");
3177 ret = -1;
3178 }
3179 }
3180 }
3181 return ret;
3182}
3183
3184static void loadPSXBios(void)
3185{
3186 const char *dir;
3187 char path[PATH_MAX];
3188 unsigned useHLE = 0;
3189
3190 const char *bios[] = {
3191 "PSXONPSP660", "psxonpsp660",
3192 "SCPH101", "scph101",
3193 "SCPH5501", "scph5501",
3194 "SCPH7001", "scph7001",
3195 "SCPH1001", "scph1001"
3196 };
3197
3198 struct retro_variable var = {
3199 .key = "pcsx_rearmed_bios",
3200 .value = NULL
3201 };
3202
3203 found_bios = 0;
3204
3205 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
3206 {
3207 if (!strcmp(var.value, "HLE"))
3208 useHLE = 1;
3209 }
3210
3211 if (!useHLE)
3212 {
3213 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
3214 {
3215 unsigned i;
3216 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
3217
3218 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
3219 {
3220 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
4a1d78d4 3221 found_bios = try_use_bios(path, true);
7a8d521f 3222 if (found_bios)
3223 break;
3224 }
3225
3226 if (!found_bios)
3227 found_bios = find_any_bios(dir, path, sizeof(path));
3228 }
3229 if (found_bios)
3230 {
3231 SysPrintf("found BIOS file: %s\n", Config.Bios);
3232 }
3233 }
3234
3235 if (!found_bios)
3236 {
3237 const char *msg_str;
f3746eea 3238 unsigned duration;
7a8d521f 3239 if (useHLE)
3240 {
f3746eea 3241 msg_str = "BIOS set to \'hle\'";
7a8d521f 3242 SysPrintf("Using HLE BIOS.\n");
f3746eea 3243 // shorter as the user probably intentionally wants to use HLE
3244 duration = 700;
7a8d521f 3245 }
3246 else
3247 {
3248 msg_str = "No PlayStation BIOS file found - add for better compatibility";
3249 SysPrintf("No BIOS files found.\n");
f3746eea 3250 duration = 3000;
7a8d521f 3251 }
f3746eea 3252 show_notification(msg_str, duration, 2);
7a8d521f 3253 }
3254}
3255
38c2028e 3256void retro_init(void)
3257{
7a8d521f 3258 unsigned dci_version = 0;
3259 struct retro_rumble_interface rumble;
3260 int ret;
38c2028e 3261
7a8d521f 3262 msg_interface_version = 0;
3263 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
3264
3265#if defined(__MACH__) && !defined(TVOS)
3266 // magic sauce to make the dynarec work on iOS
3267 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
d148d265 3268#endif
3269
7a8d521f 3270#ifdef _3DS
3271 psxMapHook = pl_3ds_mmap;
3272 psxUnmapHook = pl_3ds_munmap;
3273#endif
3274#ifdef VITA
3275 if (init_vita_mmap() < 0)
3276 abort();
3277 psxMapHook = pl_vita_mmap;
3278 psxUnmapHook = pl_vita_munmap;
3279#endif
3280 ret = emu_core_preinit();
3281#ifdef _3DS
3282 /* emu_core_preinit sets the cpu to dynarec */
3283 if (!__ctr_svchax)
3284 Config.Cpu = CPU_INTERPRETER;
3285#endif
3286 ret |= init_memcards();
38c2028e 3287
7a8d521f 3288 ret |= emu_core_init();
3289 if (ret != 0)
3290 {
3291 SysPrintf("PCSX init failed.\n");
3292 exit(1);
3293 }
3294
3295#ifdef _3DS
3296 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
9165d434 3297#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
7a8d521f 3298 if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
3299 vout_buf = (void *) 0;
91da8e32 3300 else
3301 memset(vout_buf, 0, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437 3302#else
91da8e32 3303 vout_buf = calloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT, 2);
29122437 3304#endif
38c2028e 3305
7a8d521f 3306 vout_buf_ptr = vout_buf;
3307
3308 loadPSXBios();
3309
3310 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
3311
3312 disk_initial_index = 0;
3313 disk_initial_path[0] = '\0';
3314 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
3315 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
3316 else
3317 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
3318
3319 rumble_cb = NULL;
3320 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
3321 rumble_cb = rumble.set_rumble_state;
3322
3323 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
3324 * we have to do this because cache misses and some IO penalties
3325 * are not emulated. Warning: changing this may break compatibility. */
3326 Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
3327#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
3328 Config.cycle_multiplier = 200;
5ca2ec64 3329#endif
7a8d521f 3330 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
3331 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
5ca2ec64 3332
7a8d521f 3333 SaveFuncs.open = save_open;
3334 SaveFuncs.read = save_read;
3335 SaveFuncs.write = save_write;
3336 SaveFuncs.seek = save_seek;
3337 SaveFuncs.close = save_close;
6e921e1d 3338
7a8d521f 3339 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
3340 libretro_supports_bitmasks = true;
e268a47e 3341
7a8d521f 3342 check_system_specs();
38c2028e 3343}
3344
3345void retro_deinit(void)
3346{
7a8d521f 3347 if (plugins_opened)
3348 {
3349 ClosePlugins();
3350 plugins_opened = 0;
3351 }
3352 SysClose();
3353#ifdef _3DS
3354 linearFree(vout_buf);
3355#else
3356 free(vout_buf);
3357#endif
3358 vout_buf = NULL;
3359
3360#ifdef VITA
3361 deinit_vita_mmap();
3362#endif
3363 libretro_supports_bitmasks = false;
3364 libretro_supports_option_categories = false;
3365
3366 show_input_settings = true;
3367#ifdef GPU_PEOPS
3368 show_advanced_gpu_peops_settings = true;
3369#endif
3370#ifdef GPU_UNAI
3371 show_advanced_gpu_unai_settings = true;
3372#endif
3373
3374 /* Have to reset disks struct, otherwise
3375 * fnames/flabels will leak memory */
3376 disk_init();
3377 frameskip_type = FRAMESKIP_NONE;
3378 frameskip_threshold = 0;
3379 frameskip_interval = 0;
3380 frameskip_counter = 0;
3381 retro_audio_buff_active = false;
3382 retro_audio_buff_occupancy = 0;
3383 retro_audio_buff_underrun = false;
3384 retro_audio_latency = 0;
3385 update_audio_latency = false;
3386}
3387
3388#ifdef VITA
3389#include <psp2/kernel/threadmgr.h>
3390int usleep(unsigned long us)
3391{
3392 sceKernelDelayThread(us);
3393}
3394#endif
3395
3396void SysPrintf(const char *fmt, ...)
3397{
3398 va_list list;
3399 char msg[512];
3400
3401 va_start(list, fmt);
3402 vsprintf(msg, fmt, list);
3403 va_end(list);
3404
3405 if (log_cb)
3406 log_cb(RETRO_LOG_INFO, "%s", msg);
3407}
3408
3409/* Prints debug-level logs */
3410void SysDLog(const char *fmt, ...)
3411{
3412 va_list list;
3413 char msg[512];
3414
3415 va_start(list, fmt);
3416 vsprintf(msg, fmt, list);
3417 va_end(list);
3418
3419 if (log_cb)
3420 log_cb(RETRO_LOG_DEBUG, "%s", msg);
38c2028e 3421}
378428ac 3422
3423// vim:sw=3:ts=3:expandtab
ARM optimized PCSX fork