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libretro: try to support different pitches
[pcsx_rearmed.git] / frontend / libretro.c
CommitLineData
38c2028e 1/*
003cfc63 2 * (C) notaz, 2012,2014,2015
38c2028e 3 *
4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
805fe9bc 8#define _GNU_SOURCE 1 // strcasestr
38c2028e 9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
74ebc05b 12#include <strings.h>
d148d265 13#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
38c2028e 17
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;
403
404 custom_map->buffer = malloc(size + 0x1000);
405 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
406
407 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
408 {
409 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
410 exit(1);
411 }
412
413 return (void *)custom_map->target_map;
414 }
415 }
416 }
417
418 return malloc(size);
419}
420
421void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
422{
423 (void)tag;
424
425 if (__ctr_svchax)
426 {
427 psx_map_t *custom_map = custom_psx_maps;
428
429 for (; custom_map->size; custom_map++)
430 {
431 if ((custom_map->target_map == (uint32_t)ptr))
432 {
433 uint32_t ptr_aligned, tmp;
434
435 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
436
437 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
438
439 free(custom_map->buffer);
440 custom_map->buffer = NULL;
441 return;
442 }
443 }
444 }
445
446 free(ptr);
447}
448#endif
449
450#ifdef VITA
451typedef struct
452{
453 void *buffer;
7a8d521f 454 size_t size;
455 enum psxMapTag tag;
00274bf7 456 int used;
7a8d521f 457} psx_map_t;
458
00274bf7 459static void *addr = NULL;
7a8d521f 460
461psx_map_t custom_psx_maps[] = {
00274bf7 462 { NULL, 0x800000, MAP_TAG_LUTS },
463 { NULL, 0x080000, MAP_TAG_OTHER },
464 { NULL, 0x010000, MAP_TAG_OTHER },
465 { NULL, 0x201000, MAP_TAG_VRAM },
466 { NULL, 0x802000, MAP_TAG_VRAM }, // enhanced renderer
467 { NULL, 0x210000, MAP_TAG_RAM },
7a8d521f 468};
469
470int init_vita_mmap()
471{
472 int n;
473 void *tmpaddr;
474 addr = malloc(64 * 1024 * 1024);
475 if (addr == NULL)
476 return -1;
00274bf7 477 tmpaddr = (void *)(((size_t)addr + 0xFFFFFF) & ~0xFFFFFF);
478 custom_psx_maps[0].buffer = tmpaddr + 0x0000000;
479 custom_psx_maps[1].buffer = tmpaddr + 0x0800000;
480 custom_psx_maps[2].buffer = tmpaddr + 0x0880000;
481 custom_psx_maps[3].buffer = tmpaddr + 0x0900000;
7a8d521f 482 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
00274bf7 483 custom_psx_maps[5].buffer = tmpaddr + 0x2000000;
7a8d521f 484#if 0
485 for(n = 0; n < 5; n++){
486 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
487 }
46aa5b98 488#endif
7a8d521f 489 return 0;
490}
491
492void deinit_vita_mmap()
493{
00274bf7 494 size_t i;
495 for (i = 0; i < sizeof(custom_psx_maps) / sizeof(custom_psx_maps[0]); i++) {
496 custom_psx_maps[i].buffer = NULL;
497 custom_psx_maps[i].used = 0;
498 }
7a8d521f 499 free(addr);
500}
501
502void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
503 enum psxMapTag tag)
504{
505 (void)is_fixed;
506 (void)addr;
507
508 psx_map_t *custom_map = custom_psx_maps;
509
510 for (; custom_map->size; custom_map++)
511 {
00274bf7 512 if (custom_map->size == size && custom_map->tag == tag && !custom_map->used)
7a8d521f 513 {
00274bf7 514 custom_map->used = 1;
7a8d521f 515 return custom_map->buffer;
516 }
517 }
518
519 return malloc(size);
38c2028e 520}
521
7a8d521f 522void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
38c2028e 523{
7a8d521f 524 (void)tag;
525
526 psx_map_t *custom_map = custom_psx_maps;
527
528 for (; custom_map->size; custom_map++)
529 {
530 if ((custom_map->buffer == ptr))
531 {
00274bf7 532 custom_map->used = 0;
7a8d521f 533 return;
534 }
535 }
536
537 free(ptr);
38c2028e 538}
7a8d521f 539#endif
38c2028e 540
cc56203b 541static void *pl_mmap(unsigned int size)
542{
7a8d521f 543 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 544}
545
546static void pl_munmap(void *ptr, unsigned int size)
547{
7a8d521f 548 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 549}
550
38c2028e 551struct rearmed_cbs pl_rearmed_cbs = {
7a8d521f 552 .pl_vout_open = vout_open,
553 .pl_vout_set_mode = vout_set_mode,
554 .pl_vout_flip = vout_flip,
555 .pl_vout_close = vout_close,
556 .mmap = pl_mmap,
557 .munmap = pl_munmap,
abf09485 558 .gpu_state_change = gpu_state_change,
7a8d521f 559 /* from psxcounters */
560 .gpu_hcnt = &hSyncCount,
561 .gpu_frame_count = &frame_counter,
38c2028e 562};
563
564void pl_frame_limit(void)
565{
7a8d521f 566 /* called once per frame, make psxCpu->Execute() above return */
da65071f 567 stop++;
38c2028e 568}
569
570void pl_timing_prepare(int is_pal)
571{
7a8d521f 572 is_pal_mode = is_pal;
38c2028e 573}
574
d71c7095 575void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 576{
7a8d521f 577 if (!rumble_cb)
578 return;
579
580 if (in_enable_vibration)
581 {
582 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
583 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
584 }
38c2028e 585}
586
d6a231b7
S		 587//Percentage distance of screen to adjust for Konami Gun
588static float KonamiGunAdjustX = 0;
589static float KonamiGunAdjustY = 0;
590
2db412ad 591void pl_gun_byte2(int port, unsigned char byte)
38c2028e 592{
d6a231b7
S		 593 int irq_count = 4;
594 float justifier_multiplier = 0;
595 int justifier_width = psx_w;
596 int justifier_height = psx_h;
597 int justifier_offscreen = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN);
598 int justifier_reload = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD);
599
600 if (justifier_width == 256)
601 justifier_multiplier = is_pal_mode ? .157086f : .158532f;
602 else if (justifier_width == 320)
603 justifier_multiplier = is_pal_mode ? .196358f : .198166f;
604 else if (justifier_width == 384)
605 justifier_multiplier = is_pal_mode ? .224409f : .226475f;
606 else if (justifier_width == 512)
607 justifier_multiplier = is_pal_mode ? .314173f : .317065f;
608 else // (justifier_width == 640)
609 justifier_multiplier = is_pal_mode ? .392717f : .396332f;
610
611 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
612 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
613
614 //Default offset of +105 for X and -12 for Y is chosen to obtain alignment in Die Hard Trilogy, which has no calibration feature
615 int gunx_scaled = ((gunx + 32767.0f) / 65534.0f + KonamiGunAdjustX) * justifier_width / justifier_multiplier + 105.0f;
616 int guny_scaled = ((guny + 32767.0f) / 65534.0f + KonamiGunAdjustY) * justifier_height - 12.0f;
617
618 if ((byte & 0x10) && !justifier_offscreen && !justifier_reload)
619 {
620 psxScheduleIrq10(irq_count, gunx_scaled, guny_scaled);
621 }
38c2028e 622}
623
624/* sound calls */
7a8d521f 625static void snd_feed(void *buf, int bytes)
38c2028e 626{
7a8d521f 627 if (audio_batch_cb != NULL)
628 audio_batch_cb(buf, bytes / 4);
38c2028e 629}
630
7a8d521f 631void out_register_libretro(struct out_driver *drv)
38c2028e 632{
7a8d521f 633 drv->name = "libretro";
634 drv->init = snd_init;
635 drv->finish = snd_finish;
636 drv->busy = snd_busy;
637 drv->feed = snd_feed;
38c2028e 638}
639
d6a231b7
S		 640#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
641#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
642#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
643#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
644#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
645#define RETRO_DEVICE_PSE_JUSTIFIER RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 1)
646#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
7a8d521f 647
648static char *get_pse_pad_label[] = {
649 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
650};
651
d6a231b7 652static const struct retro_controller_description pads[8] =
38c2028e 653{
d6a231b7
S		 654 { "standard", RETRO_DEVICE_JOYPAD },
655 { "analog", RETRO_DEVICE_PSE_ANALOG },
656 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
657 { "negcon", RETRO_DEVICE_PSE_NEGCON },
658 { "guncon", RETRO_DEVICE_PSE_GUNCON },
659 { "konami gun", RETRO_DEVICE_PSE_JUSTIFIER },
660 { "mouse", RETRO_DEVICE_PSE_MOUSE },
7a8d521f 661 { NULL, 0 },
662};
38c2028e 663
7a8d521f 664static const struct retro_controller_info ports[9] =
38c2028e 665{
7a8d521f 666 { pads, 7 },
667 { pads, 7 },
668 { pads, 7 },
669 { pads, 7 },
670 { pads, 7 },
671 { pads, 7 },
672 { pads, 7 },
673 { pads, 7 },
674 { NULL, 0 },
675};
38c2028e 676
7a8d521f 677/* libretro */
678
679static bool update_option_visibility(void)
07c13dfd 680{
7a8d521f 681 struct retro_variable var = {0};
682 struct retro_core_option_display option_display = {0};
683 bool updated = false;
684 unsigned i;
685
686 /* If frontend supports core option categories
687 * then show/hide core option entries are ignored
688 * and no options should be hidden */
689 if (libretro_supports_option_categories)
690 return false;
691
692 var.key = "pcsx_rearmed_show_input_settings";
693 var.value = NULL;
694
695 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
696 {
697 bool show_input_settings_prev =
698 show_input_settings;
699
700 show_input_settings = true;
701 if (strcmp(var.value, "disabled") == 0)
702 show_input_settings = false;
703
704 if (show_input_settings !=
705 show_input_settings_prev)
706 {
707 char input_option[][50] = {
708 "pcsx_rearmed_analog_axis_modifier",
709 "pcsx_rearmed_vibration",
710 "pcsx_rearmed_multitap",
711 "pcsx_rearmed_negcon_deadzone",
712 "pcsx_rearmed_negcon_response",
713 "pcsx_rearmed_input_sensitivity",
d6a231b7
S		 714 "pcsx_rearmed_crosshair1",
715 "pcsx_rearmed_crosshair2",
716 "pcsx_rearmed_konamigunadjustx",
717 "pcsx_rearmed_konamigunadjusty",
7a8d521f 718 "pcsx_rearmed_gunconadjustx",
719 "pcsx_rearmed_gunconadjusty",
720 "pcsx_rearmed_gunconadjustratiox",
721 "pcsx_rearmed_gunconadjustratioy"
722 };
723
724 option_display.visible = show_input_settings;
725
726 for (i = 0;
727 i < (sizeof(input_option) /
728 sizeof(input_option[0]));
729 i++)
730 {
731 option_display.key = input_option[i];
732 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
733 &option_display);
734 }
735
736 updated = true;
737 }
738 }
739#ifdef GPU_PEOPS
740 var.key = "pcsx_rearmed_show_gpu_peops_settings";
741 var.value = NULL;
742
743 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
744 {
745 bool show_advanced_gpu_peops_settings_prev =
746 show_advanced_gpu_peops_settings;
747
748 show_advanced_gpu_peops_settings = true;
749 if (strcmp(var.value, "disabled") == 0)
750 show_advanced_gpu_peops_settings = false;
751
752 if (show_advanced_gpu_peops_settings !=
753 show_advanced_gpu_peops_settings_prev)
754 {
755 unsigned i;
756 struct retro_core_option_display option_display;
757 char gpu_peops_option[][45] = {
758 "pcsx_rearmed_gpu_peops_odd_even_bit",
759 "pcsx_rearmed_gpu_peops_expand_screen_width",
760 "pcsx_rearmed_gpu_peops_ignore_brightness",
761 "pcsx_rearmed_gpu_peops_disable_coord_check",
762 "pcsx_rearmed_gpu_peops_lazy_screen_update",
763 "pcsx_rearmed_gpu_peops_repeated_triangles",
764 "pcsx_rearmed_gpu_peops_quads_with_triangles",
765 "pcsx_rearmed_gpu_peops_fake_busy_state"
766 };
767
768 option_display.visible = show_advanced_gpu_peops_settings;
769
770 for (i = 0;
771 i < (sizeof(gpu_peops_option) /
772 sizeof(gpu_peops_option[0]));
773 i++)
774 {
775 option_display.key = gpu_peops_option[i];
776 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
777 &option_display);
778 }
779
780 updated = true;
781 }
782 }
783#endif
784#ifdef GPU_UNAI
785 var.key = "pcsx_rearmed_show_gpu_unai_settings";
786 var.value = NULL;
787
788 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
789 {
790 bool show_advanced_gpu_unai_settings_prev =
791 show_advanced_gpu_unai_settings;
792
793 show_advanced_gpu_unai_settings = true;
794 if (strcmp(var.value, "disabled") == 0)
795 show_advanced_gpu_unai_settings = false;
796
797 if (show_advanced_gpu_unai_settings !=
798 show_advanced_gpu_unai_settings_prev)
799 {
800 unsigned i;
801 struct retro_core_option_display option_display;
802 char gpu_unai_option[][40] = {
803 "pcsx_rearmed_gpu_unai_blending",
804 "pcsx_rearmed_gpu_unai_lighting",
805 "pcsx_rearmed_gpu_unai_fast_lighting",
806 "pcsx_rearmed_gpu_unai_scale_hires",
807 };
808
809 option_display.visible = show_advanced_gpu_unai_settings;
810
811 for (i = 0;
812 i < (sizeof(gpu_unai_option) /
813 sizeof(gpu_unai_option[0]));
814 i++)
815 {
816 option_display.key = gpu_unai_option[i];
817 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
818 &option_display);
819 }
820
821 updated = true;
822 }
823 }
824#endif
825 return updated;
07c13dfd 826}
827
e268a47e 828void retro_set_environment(retro_environment_t cb)
829{
7a8d521f 830 bool option_categories = false;
831#ifdef USE_LIBRETRO_VFS
832 struct retro_vfs_interface_info vfs_iface_info;
7d68d030 833#endif
e268a47e 834
835 environ_cb = cb;
836
7a8d521f 837 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
838 log_cb = logging.log;
839
840 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
841
842 /* Set core options
843 * An annoyance: retro_set_environment() can be called
844 * multiple times, and depending upon the current frontend
845 * state various environment callbacks may be disabled.
846 * This means the reported 'categories_supported' status
847 * may change on subsequent iterations. We therefore have
848 * to record whether 'categories_supported' is true on any
849 * iteration, and latch the result */
850 libretro_set_core_options(environ_cb, &option_categories);
851 libretro_supports_option_categories |= option_categories;
852
853 /* If frontend supports core option categories,
854 * any show/hide core option entries are unused
855 * and should be hidden */
856 if (libretro_supports_option_categories)
857 {
858 struct retro_core_option_display option_display;
859 option_display.visible = false;
860
861 option_display.key = "pcsx_rearmed_show_input_settings";
862 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
863 &option_display);
864
865#ifdef GPU_PEOPS
866 option_display.key = "pcsx_rearmed_show_gpu_peops_settings";
867 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
868 &option_display);
869#endif
870#ifdef GPU_UNAI
871 option_display.key = "pcsx_rearmed_show_gpu_unai_settings";
872 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
873 &option_display);
874#endif
875 }
876 /* If frontend does not support core option
877 * categories, core options may be shown/hidden
878 * at runtime. In this case, register 'update
879 * display' callback, so frontend can update
880 * core options menu without calling retro_run() */
881 else
882 {
883 struct retro_core_options_update_display_callback update_display_cb;
884 update_display_cb.callback = update_option_visibility;
885
886 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK,
887 &update_display_cb);
888 }
889
890#ifdef USE_LIBRETRO_VFS
891 vfs_iface_info.required_interface_version = 1;
892 vfs_iface_info.iface = NULL;
893 if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
894 filestream_vfs_init(&vfs_iface_info);
895#endif
e268a47e 896}
897
38c2028e 898void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
899void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
900void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
901void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
902void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
903
904unsigned retro_api_version(void)
905{
7a8d521f 906 return RETRO_API_VERSION;
907}
908
909static void update_multitap(void)
910{
911 struct retro_variable var = { 0 };
912
913 multitap1 = 0;
914 multitap2 = 0;
915
916 var.value = NULL;
917 var.key = "pcsx_rearmed_multitap";
918 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
919 {
920 if (strcmp(var.value, "port 1") == 0)
921 multitap1 = 1;
922 else if (strcmp(var.value, "port 2") == 0)
923 multitap2 = 1;
924 else if (strcmp(var.value, "ports 1 and 2") == 0)
925 {
926 multitap1 = 1;
927 multitap2 = 1;
928 }
929 }
38c2028e 930}
931
932void retro_set_controller_port_device(unsigned port, unsigned device)
933{
7a8d521f 934 if (port >= PORTS_NUMBER)
935 return;
936
937 switch (device)
938 {
939 case RETRO_DEVICE_JOYPAD:
940 case RETRO_DEVICE_PSE_STANDARD:
941 in_type[port] = PSE_PAD_TYPE_STANDARD;
942 break;
943 case RETRO_DEVICE_PSE_ANALOG:
944 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
945 break;
946 case RETRO_DEVICE_PSE_DUALSHOCK:
947 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
948 break;
949 case RETRO_DEVICE_PSE_MOUSE:
950 in_type[port] = PSE_PAD_TYPE_MOUSE;
951 break;
952 case RETRO_DEVICE_PSE_NEGCON:
953 in_type[port] = PSE_PAD_TYPE_NEGCON;
954 break;
955 case RETRO_DEVICE_PSE_GUNCON:
956 in_type[port] = PSE_PAD_TYPE_GUNCON;
957 break;
d6a231b7
S		 958 case RETRO_DEVICE_PSE_JUSTIFIER:
959 in_type[port] = PSE_PAD_TYPE_GUN;
960 break;
7a8d521f 961 case RETRO_DEVICE_NONE:
962 default:
963 in_type[port] = PSE_PAD_TYPE_NONE;
964 break;
965 }
966
967 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
38c2028e 968}
969
970void retro_get_system_info(struct retro_system_info *info)
971{
7a8d521f 972#ifndef GIT_VERSION
973#define GIT_VERSION ""
974#endif
975 memset(info, 0, sizeof(*info));
976 info->library_name = "PCSX-ReARMed";
977 info->library_version = "r23l" GIT_VERSION;
0cae7d24 978 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd|iso|exe";
7a8d521f 979 info->need_fullpath = true;
38c2028e 980}
981
982void retro_get_system_av_info(struct retro_system_av_info *info)
983{
5d9e675a 984 unsigned geom_height = vout_height;
985 unsigned geom_width = vout_width;
7a8d521f 986
987 memset(info, 0, sizeof(*info));
988 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
989 info->timing.sample_rate = 44100.0;
990 info->geometry.base_width = geom_width;
991 info->geometry.base_height = geom_height;
992 info->geometry.max_width = VOUT_MAX_WIDTH;
993 info->geometry.max_height = VOUT_MAX_HEIGHT;
994 info->geometry.aspect_ratio = 4.0 / 3.0;
38c2028e 995}
996
6e921e1d 997/* savestates */
7a8d521f 998size_t retro_serialize_size(void)
999{
1000 // it's currently 4380651-4397047 bytes,
1001 // but have some reserved for future
1002 return 0x440000;
6e921e1d 1003}
1004
7a8d521f 1005struct save_fp
1006{
1007 char *buf;
1008 size_t pos;
1009 int is_write;
6e921e1d 1010};
1011
1012static void *save_open(const char *name, const char *mode)
1013{
7a8d521f 1014 struct save_fp *fp;
6e921e1d 1015
7a8d521f 1016 if (name == NULL || mode == NULL)
1017 return NULL;
6e921e1d 1018
7a8d521f 1019 fp = malloc(sizeof(*fp));
1020 if (fp == NULL)
1021 return NULL;
6e921e1d 1022
7a8d521f 1023 fp->buf = (char *)name;
1024 fp->pos = 0;
1025 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
6e921e1d 1026
7a8d521f 1027 return fp;
6e921e1d 1028}
1029
1030static int save_read(void *file, void *buf, u32 len)
1031{
7a8d521f 1032 struct save_fp *fp = file;
1033 if (fp == NULL || buf == NULL)
1034 return -1;
6e921e1d 1035
7a8d521f 1036 memcpy(buf, fp->buf + fp->pos, len);
1037 fp->pos += len;
1038 return len;
6e921e1d 1039}
1040
1041static int save_write(void *file, const void *buf, u32 len)
1042{
7a8d521f 1043 struct save_fp *fp = file;
1044 if (fp == NULL || buf == NULL)
1045 return -1;
6e921e1d 1046
7a8d521f 1047 memcpy(fp->buf + fp->pos, buf, len);
1048 fp->pos += len;
1049 return len;
6e921e1d 1050}
1051
1052static long save_seek(void *file, long offs, int whence)
1053{
7a8d521f 1054 struct save_fp *fp = file;
1055 if (fp == NULL)
1056 return -1;
6e921e1d 1057
7a8d521f 1058 switch (whence)
1059 {
1060 case SEEK_CUR:
1061 fp->pos += offs;
1062 return fp->pos;
1063 case SEEK_SET:
1064 fp->pos = offs;
1065 return fp->pos;
1066 default:
1067 return -1;
1068 }
6e921e1d 1069}
1070
1071static void save_close(void *file)
1072{
7a8d521f 1073 struct save_fp *fp = file;
1074 size_t r_size = retro_serialize_size();
1075 if (fp == NULL)
1076 return;
1077
1078 if (fp->pos > r_size)
1079 SysPrintf("ERROR: save buffer overflow detected\n");
1080 else if (fp->is_write && fp->pos < r_size)
1081 // make sure we don't save trash in leftover space
1082 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
1083 free(fp);
38c2028e 1084}
1085
1086bool retro_serialize(void *data, size_t size)
7a8d521f 1087{
6a131b03 1088 int ret;
1089 CdromFrontendId = disk_current_index;
1090 ret = SaveState(data);
7a8d521f 1091 return ret == 0 ? true : false;
38c2028e 1092}
1093
6a131b03 1094static bool disk_set_image_index(unsigned int index);
1095
38c2028e 1096bool retro_unserialize(const void *data, size_t size)
1097{
6a131b03 1098 int ret;
1099 CdromFrontendId = -1;
1100 ret = LoadState(data);
1101 if (ret)
1102 return false;
1103 if (CdromFrontendId != -1 && CdromFrontendId != disk_current_index)
1104 disk_set_image_index(CdromFrontendId);
1105 return true;
38c2028e 1106}
1107
23ea11bd 1108/* cheats */
38c2028e 1109void retro_cheat_reset(void)
1110{
7a8d521f 1111 ClearAllCheats();
38c2028e 1112}
1113
1114void retro_cheat_set(unsigned index, bool enabled, const char *code)
1115{
1e93efc0 1116 int ret = -1;
1117 char *buf;
7a8d521f 1118
1e93efc0 1119 // cheat funcs are destructive, need a copy...
1120 buf = strdup(code);
1121 if (buf == NULL)
1122 goto finish;
6e921e1d 1123
7a8d521f 1124 //Prepare buffered cheat for PCSX's AddCheat fucntion.
1125 int cursor = 0;
1126 int nonhexdec = 0;
1127 while (buf[cursor])
1128 {
1129 if (!(ISHEXDEC))
1130 {
1131 if (++nonhexdec % 2)
1132 {
1133 buf[cursor] = ' ';
1134 }
1135 else
1136 {
1137 buf[cursor] = '\n';
1138 }
1139 }
1140 cursor++;
1141 }
6e921e1d 1142
7a8d521f 1143 if (index < NumCheats)
1144 ret = EditCheat(index, "", buf);
1145 else
1146 ret = AddCheat("", buf);
6e921e1d 1147
1e93efc0 1148finish:
7a8d521f 1149 if (ret != 0)
1150 SysPrintf("Failed to set cheat %#u\n", index);
1151 else if (index < NumCheats)
1152 Cheats[index].Enabled = enabled;
1e93efc0 1153 free(buf);
38c2028e 1154}
1155
7a8d521f 1156// just in case, maybe a win-rt port in the future?
1157#ifdef _WIN32
1158#define SLASH '\\'
1159#else
1160#define SLASH '/'
1161#endif
1162
1163#ifndef PATH_MAX
1164#define PATH_MAX 4096
1165#endif
1166
23ea11bd 1167/* multidisk support */
7a8d521f 1168static unsigned int disk_initial_index;
1169static char disk_initial_path[PATH_MAX];
23ea11bd 1170static bool disk_ejected;
51ba7408 1171static unsigned int disk_count;
7a8d521f 1172static struct disks_state
1173{
1174 char *fname;
1175 char *flabel;
1176 int internal_index; // for multidisk eboots
23ea11bd 1177} disks[8];
1178
7a8d521f 1179static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
1180{
1181 const char *base = NULL;
1182
1183 if (!disk_path || (*disk_path == '\0'))
1184 return;
1185
1186 base = strrchr(disk_path, SLASH);
1187 if (!base)
1188 base = disk_path;
1189
1190 if (*base == SLASH)
1191 base++;
1192
1193 strncpy(disk_label, base, len - 1);
1194 disk_label[len - 1] = '\0';
1195
1196 char *ext = strrchr(disk_label, '.');
1197 if (ext)
1198 *ext = '\0';
1199}
1200
1201static void disk_init(void)
1202{
1203 size_t i;
1204
1205 disk_ejected = false;
1206 disk_current_index = 0;
1207 disk_count = 0;
1208
1209 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
1210 {
1211 if (disks[i].fname != NULL)
1212 {
1213 free(disks[i].fname);
1214 disks[i].fname = NULL;
1215 }
1216 if (disks[i].flabel != NULL)
1217 {
1218 free(disks[i].flabel);
1219 disks[i].flabel = NULL;
1220 }
1221 disks[i].internal_index = 0;
1222 }
1223}
1224
23ea11bd 1225static bool disk_set_eject_state(bool ejected)
1226{
7a8d521f 1227 // weird PCSX API..
1228 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
1229 LidInterrupt();
23ea11bd 1230
7a8d521f 1231 disk_ejected = ejected;
1232 return true;
23ea11bd 1233}
1234
1235static bool disk_get_eject_state(void)
1236{
7a8d521f 1237 /* can't be controlled by emulated software */
1238 return disk_ejected;
23ea11bd 1239}
1240
1241static unsigned int disk_get_image_index(void)
1242{
7a8d521f 1243 return disk_current_index;
23ea11bd 1244}
1245
1246static bool disk_set_image_index(unsigned int index)
1247{
7a8d521f 1248 if (index >= sizeof(disks) / sizeof(disks[0]))
1249 return false;
23ea11bd 1250
7a8d521f 1251 CdromId[0] = '\0';
1252 CdromLabel[0] = '\0';
23ea11bd 1253
7a8d521f 1254 if (disks[index].fname == NULL)
1255 {
1256 SysPrintf("missing disk #%u\n", index);
1257 CDR_shutdown();
23ea11bd 1258
7a8d521f 1259 // RetroArch specifies "no disk" with index == count,
1260 // so don't fail here..
1261 disk_current_index = index;
1262 return true;
1263 }
23ea11bd 1264
7a8d521f 1265 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
1266 disks[index].fname, disks[index].internal_index);
23ea11bd 1267
7a8d521f 1268 cdrIsoMultidiskSelect = disks[index].internal_index;
1269 set_cd_image(disks[index].fname);
1270 if (ReloadCdromPlugin() < 0)
1271 {
1272 SysPrintf("failed to load cdr plugin\n");
1273 return false;
1274 }
1275 if (CDR_open() < 0)
1276 {
1277 SysPrintf("failed to open cdr plugin\n");
1278 return false;
1279 }
23ea11bd 1280
7a8d521f 1281 if (!disk_ejected)
1282 {
1283 SetCdOpenCaseTime(time(NULL) + 2);
1284 LidInterrupt();
1285 }
23ea11bd 1286
7a8d521f 1287 disk_current_index = index;
1288 return true;
23ea11bd 1289}
1290
1291static unsigned int disk_get_num_images(void)
1292{
7a8d521f 1293 return disk_count;
23ea11bd 1294}
1295
1296static bool disk_replace_image_index(unsigned index,
7a8d521f 1297 const struct retro_game_info *info)
23ea11bd 1298{
7a8d521f 1299 char *old_fname = NULL;
1300 char *old_flabel = NULL;
1301 bool ret = true;
1302
1303 if (index >= sizeof(disks) / sizeof(disks[0]))
1304 return false;
1305
1306 old_fname = disks[index].fname;
1307 old_flabel = disks[index].flabel;
1308
1309 disks[index].fname = NULL;
1310 disks[index].flabel = NULL;
1311 disks[index].internal_index = 0;
1312
1313 if (info != NULL)
1314 {
1315 char disk_label[PATH_MAX];
1316 disk_label[0] = '\0';
1317
1318 disks[index].fname = strdup(info->path);
23ea11bd 1319
7a8d521f 1320 get_disk_label(disk_label, info->path, PATH_MAX);
1321 disks[index].flabel = strdup(disk_label);
23ea11bd 1322
7a8d521f 1323 if (index == disk_current_index)
1324 ret = disk_set_image_index(index);
1325 }
23ea11bd 1326
7a8d521f 1327 if (old_fname != NULL)
1328 free(old_fname);
23ea11bd 1329
7a8d521f 1330 if (old_flabel != NULL)
1331 free(old_flabel);
23ea11bd 1332
7a8d521f 1333 return ret;
23ea11bd 1334}
1335
1336static bool disk_add_image_index(void)
1337{
7a8d521f 1338 if (disk_count >= 8)
1339 return false;
51ba7408 1340
7a8d521f 1341 disk_count++;
1342 return true;
23ea11bd 1343}
1344
7a8d521f 1345static bool disk_set_initial_image(unsigned index, const char *path)
1346{
1347 if (index >= sizeof(disks) / sizeof(disks[0]))
1348 return false;
23ea11bd 1349
7a8d521f 1350 if (!path || (*path == '\0'))
1351 return false;
9fba39a9 1352
7a8d521f 1353 disk_initial_index = index;
9fba39a9 1354
7a8d521f 1355 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1356 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1357
1358 return true;
9fba39a9
T		 1359}
1360
7a8d521f 1361static bool disk_get_image_path(unsigned index, char *path, size_t len)
9fba39a9 1362{
7a8d521f 1363 const char *fname = NULL;
9fba39a9 1364
7a8d521f 1365 if (len < 1)
1366 return false;
9fba39a9 1367
7a8d521f 1368 if (index >= sizeof(disks) / sizeof(disks[0]))
1369 return false;
1370
1371 fname = disks[index].fname;
1372
1373 if (!fname || (*fname == '\0'))
1374 return false;
1375
1376 strncpy(path, fname, len - 1);
1377 path[len - 1] = '\0';
1378
1379 return true;
1380}
1381
1382static bool disk_get_image_label(unsigned index, char *label, size_t len)
1383{
1384 const char *flabel = NULL;
1385
1386 if (len < 1)
1387 return false;
1388
1389 if (index >= sizeof(disks) / sizeof(disks[0]))
1390 return false;
1391
1392 flabel = disks[index].flabel;
1393
1394 if (!flabel || (*flabel == '\0'))
1395 return false;
1396
1397 strncpy(label, flabel, len - 1);
1398 label[len - 1] = '\0';
1399
1400 return true;
1401}
1402
1403static struct retro_disk_control_callback disk_control = {
1404 .set_eject_state = disk_set_eject_state,
1405 .get_eject_state = disk_get_eject_state,
1406 .get_image_index = disk_get_image_index,
1407 .set_image_index = disk_set_image_index,
1408 .get_num_images = disk_get_num_images,
1409 .replace_image_index = disk_replace_image_index,
1410 .add_image_index = disk_add_image_index,
1411};
1412
1413static struct retro_disk_control_ext_callback disk_control_ext = {
1414 .set_eject_state = disk_set_eject_state,
1415 .get_eject_state = disk_get_eject_state,
1416 .get_image_index = disk_get_image_index,
1417 .set_image_index = disk_set_image_index,
1418 .get_num_images = disk_get_num_images,
1419 .replace_image_index = disk_replace_image_index,
1420 .add_image_index = disk_add_image_index,
1421 .set_initial_image = disk_set_initial_image,
1422 .get_image_path = disk_get_image_path,
1423 .get_image_label = disk_get_image_label,
1424};
1425
1426static char base_dir[1024];
1427
1428static bool read_m3u(const char *file)
1429{
1430 char line[1024];
1431 char name[PATH_MAX];
1432 FILE *fp = fopen(file, "r");
1433 if (!fp)
1434 return false;
1435
1436 while (fgets(line, sizeof(line), fp) && disk_count < sizeof(disks) / sizeof(disks[0]))
1437 {
1438 if (line[0] == '#')
1439 continue;
1440 char *carrige_return = strchr(line, '\r');
1441 if (carrige_return)
1442 *carrige_return = '\0';
1443 char *newline = strchr(line, '\n');
1444 if (newline)
1445 *newline = '\0';
1446
1447 if (line[0] != '\0')
1448 {
1449 char disk_label[PATH_MAX];
1450 disk_label[0] = '\0';
1451
1452 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1453 disks[disk_count].fname = strdup(name);
1454
1455 get_disk_label(disk_label, name, PATH_MAX);
1456 disks[disk_count].flabel = strdup(disk_label);
1457
1458 disk_count++;
1459 }
1460 }
1461
1462 fclose(fp);
1463 return (disk_count != 0);
1464}
1465
1466static void extract_directory(char *buf, const char *path, size_t size)
1467{
1468 char *base;
1469 strncpy(buf, path, size - 1);
1470 buf[size - 1] = '\0';
1471
1472 base = strrchr(buf, '/');
1473 if (!base)
1474 base = strrchr(buf, '\\');
1475
1476 if (base)
1477 *base = '\0';
1478 else
1479 {
9fba39a9
T		 1480 buf[0] = '.';
1481 buf[1] = '\0';
1482 }
1483}
1484
003cfc63 1485#if defined(__QNX__) || defined(_WIN32)
41294f4d 1486/* Blackberry QNX doesn't have strcasestr */
1487
1488/*
1489 * Find the first occurrence of find in s, ignore case.
1490 */
1491char *
7a8d521f 1492strcasestr(const char *s, const char *find)
1493{
1494 char c, sc;
1495 size_t len;
1496
1497 if ((c = *find++) != 0)
1498 {
1499 c = tolower((unsigned char)c);
1500 len = strlen(find);
1501 do
1502 {
1503 do
1504 {
1505 if ((sc = *s++) == 0)
1506 return (NULL);
1507 } while ((char)tolower((unsigned char)sc) != c);
1508 } while (strncasecmp(s, find, len) != 0);
1509 s--;
1510 }
1511 return ((char *)s);
41294f4d 1512}
1513#endif
1514
7a8d521f 1515static void set_retro_memmap(void)
1516{
1517#ifndef NDEBUG
1518 struct retro_memory_map retromap = { 0 };
1519 struct retro_memory_descriptor mmap = {
1520 0, psxM, 0, 0, 0, 0, 0x200000
1521 };
1522
1523 retromap.descriptors = &mmap;
1524 retromap.num_descriptors = 1;
1525
1526 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1527#endif
1528}
1529
f3746eea 1530static void show_notification(const char *msg_str,
1531 unsigned duration_ms, unsigned priority)
1532{
1533 if (msg_interface_version >= 1)
1534 {
1535 struct retro_message_ext msg = {
1536 msg_str,
1537 duration_ms,
1538 3,
1539 RETRO_LOG_WARN,
1540 RETRO_MESSAGE_TARGET_ALL,
1541 RETRO_MESSAGE_TYPE_NOTIFICATION,
1542 -1
1543 };
1544 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
1545 }
1546 else
1547 {
1548 struct retro_message msg = {
1549 msg_str,
1550 180
1551 };
1552 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
1553 }
1554}
1555
7a8d521f 1556static void retro_audio_buff_status_cb(
1557 bool active, unsigned occupancy, bool underrun_likely)
1558{
1559 retro_audio_buff_active = active;
1560 retro_audio_buff_occupancy = occupancy;
1561 retro_audio_buff_underrun = underrun_likely;
1562}
1563
1564static void retro_set_audio_buff_status_cb(void)
1565{
1566 if (frameskip_type == FRAMESKIP_NONE)
1567 {
1568 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1569 retro_audio_latency = 0;
1570 }
1571 else
1572 {
1573 bool calculate_audio_latency = true;
1574
1575 if (frameskip_type == FRAMESKIP_FIXED_INTERVAL)
1576 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1577 else
1578 {
1579 struct retro_audio_buffer_status_callback buf_status_cb;
1580 buf_status_cb.callback = retro_audio_buff_status_cb;
1581 if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
1582 &buf_status_cb))
1583 {
1584 retro_audio_buff_active = false;
1585 retro_audio_buff_occupancy = 0;
1586 retro_audio_buff_underrun = false;
1587 retro_audio_latency = 0;
1588 calculate_audio_latency = false;
1589 }
1590 }
1591
1592 if (calculate_audio_latency)
1593 {
1594 /* Frameskip is enabled - increase frontend
1595 * audio latency to minimise potential
1596 * buffer underruns */
1597 uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
1598
1599 /* Set latency to 6x current frame time... */
1600 retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
1601
1602 /* ...then round up to nearest multiple of 32 */
1603 retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
1604 }
1605 }
1606
1607 update_audio_latency = true;
1608 frameskip_counter = 0;
1609}
1610
1611static void update_variables(bool in_flight);
38c2028e 1612bool retro_load_game(const struct retro_game_info *info)
1613{
7a8d521f 1614 size_t i;
1615 unsigned int cd_index = 0;
1616 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
8cddf575 1617 bool is_exe = (strcasestr(info->path, ".exe") != NULL);
1618 int ret;
9fba39a9 1619
e3f8313f 1620 struct retro_input_descriptor desc[] = {
7a8d521f 1621#define JOYP(port) \
1622 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1623 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1624 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1625 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1626 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1627 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1628 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1629 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1630 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1631 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1632 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1633 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1634 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1635 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1636 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1637 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1638 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1639 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1640 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1641 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" }, \
1642 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER, "Gun Trigger" }, \
1643 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD, "Gun Reload" }, \
1644 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A, "Gun Aux A" }, \
d6a231b7
S		 1645 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B, "Gun Aux B" }, \
1646 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_START, "Gun Start" },
7a8d521f 1647
1648 JOYP(0)
1649 JOYP(1)
1650 JOYP(2)
1651 JOYP(3)
1652 JOYP(4)
1653 JOYP(5)
1654 JOYP(6)
1655 JOYP(7)
e3f8313f 1656
1657 { 0 },
1658 };
1659
7a8d521f 1660 frame_count = 0;
1661
e3f8313f 1662 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1663
46aa5b98 1664#ifdef FRONTEND_SUPPORTS_RGB565
7a8d521f 1665 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1666 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1667 {
1668 SysPrintf("RGB565 supported, using it\n");
1669 }
46aa5b98 1670#endif
c19aba43 1671
7a8d521f 1672 if (info == NULL || info->path == NULL)
1673 {
1674 SysPrintf("info->path required\n");
1675 return false;
1676 }
23ea11bd 1677
7a8d521f 1678 update_variables(false);
38c2028e 1679
7a8d521f 1680 if (plugins_opened)
1681 {
1682 ClosePlugins();
1683 plugins_opened = 0;
1684 }
23ea11bd 1685
7a8d521f 1686 disk_init();
9fba39a9 1687
7a8d521f 1688 extract_directory(base_dir, info->path, sizeof(base_dir));
23ea11bd 1689
7a8d521f 1690 if (is_m3u)
1691 {
1692 if (!read_m3u(info->path))
1693 {
1694 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1695 return false;
1696 }
1697 }
1698 else
1699 {
1700 char disk_label[PATH_MAX];
1701 disk_label[0] = '\0';
38c2028e 1702
7a8d521f 1703 disk_count = 1;
1704 disks[0].fname = strdup(info->path);
38c2028e 1705
7a8d521f 1706 get_disk_label(disk_label, info->path, PATH_MAX);
1707 disks[0].flabel = strdup(disk_label);
1708 }
38c2028e 1709
7a8d521f 1710 /* If this is an M3U file, attempt to set the
1711 * initial disk image */
1712 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1713 {
1714 const char *fname = disks[disk_initial_index].fname;
38c2028e 1715
7a8d521f 1716 if (fname && (*fname != '\0'))
1717 if (strcmp(disk_initial_path, fname) == 0)
1718 cd_index = disk_initial_index;
1719 }
38c2028e 1720
7a8d521f 1721 set_cd_image(disks[cd_index].fname);
1722 disk_current_index = cd_index;
38c2028e 1723
7a8d521f 1724 /* have to reload after set_cd_image for correct cdr plugin */
1725 if (LoadPlugins() == -1)
1726 {
1727 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1728 return false;
1729 }
38c2028e 1730
7a8d521f 1731 plugins_opened = 1;
1732 NetOpened = 0;
38c2028e 1733
7a8d521f 1734 if (OpenPlugins() == -1)
1735 {
1736 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1737 return false;
1738 }
23ea11bd 1739
7a8d521f 1740 /* Handle multi-disk images (i.e. PBP)
1741 * > Cannot do this until after OpenPlugins() is
1742 * called (since this sets the value of
1743 * cdrIsoMultidiskCount) */
1744 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1745 {
1746 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
38c2028e 1747
7a8d521f 1748 /* Small annoyance: We need to change the label
1749 * of disk 0, so have to clear existing entries */
1750 if (disks[0].fname != NULL)
1751 free(disks[0].fname);
1752 disks[0].fname = NULL;
38c2028e 1753
7a8d521f 1754 if (disks[0].flabel != NULL)
1755 free(disks[0].flabel);
1756 disks[0].flabel = NULL;
1757
1758 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1759 {
1760 char disk_name[PATH_MAX - 16] = { 0 };
1761 char disk_label[PATH_MAX] = { 0 };
1762
1763 disks[i].fname = strdup(info->path);
1764
1765 get_disk_label(disk_name, info->path, sizeof(disk_name));
1766 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1767 disks[i].flabel = strdup(disk_label);
1768
1769 disks[i].internal_index = i;
1770 }
1771
1772 /* This is not an M3U file, so initial disk
1773 * image has not yet been set - attempt to
1774 * do so now */
1775 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1776 {
1777 const char *fname = disks[disk_initial_index].fname;
1778
1779 if (fname && (*fname != '\0'))
1780 if (strcmp(disk_initial_path, fname) == 0)
1781 cd_index = disk_initial_index;
1782 }
1783
1784 if (cd_index > 0)
1785 {
1786 CdromId[0] = '\0';
1787 CdromLabel[0] = '\0';
1788
1789 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1790 disk_current_index = cd_index;
1791 set_cd_image(disks[cd_index].fname);
1792
1793 if (ReloadCdromPlugin() < 0)
1794 {
1795 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1796 return false;
1797 }
1798 if (CDR_open() < 0)
1799 {
1800 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1801 return false;
1802 }
1803 }
1804 }
1805
1806 /* set ports to use "standard controller" initially */
1807 for (i = 0; i < 8; ++i)
1808 in_type[i] = PSE_PAD_TYPE_STANDARD;
1809
1810 plugin_call_rearmed_cbs();
1811 /* dfinput_activate(); */
1812
8cddf575 1813 if (!is_exe && CheckCdrom() == -1)
7a8d521f 1814 {
1815 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1816 return false;
1817 }
1818
1819 SysReset();
1820
8cddf575 1821 if (is_exe)
1822 ret = Load(info->path);
1823 else
1824 ret = LoadCdrom();
1825 if (ret != 0)
7a8d521f 1826 {
8cddf575 1827 log_cb(RETRO_LOG_INFO, "could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
7a8d521f 1828 return false;
1829 }
1830 emu_on_new_cd(0);
1831
1832 set_retro_memmap();
1833 retro_set_audio_buff_status_cb();
1834
f3746eea 1835 if (check_unsatisfied_libcrypt())
1836 show_notification("LibCrypt protected game with missing SBI detected", 3000, 3);
1837
7a8d521f 1838 return true;
38c2028e 1839}
1840
1841unsigned retro_get_region(void)
1842{
7a8d521f 1843 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 1844}
1845
1846void *retro_get_memory_data(unsigned id)
1847{
7a8d521f 1848 if (id == RETRO_MEMORY_SAVE_RAM)
1849 return Mcd1Data;
1850 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1851 return psxM;
1852 else
1853 return NULL;
38c2028e 1854}
1855
1856size_t retro_get_memory_size(unsigned id)
1857{
7a8d521f 1858 if (id == RETRO_MEMORY_SAVE_RAM)
1859 return MCD_SIZE;
1860 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1861 return 0x200000;
1862 else
1863 return 0;
38c2028e 1864}
1865
1866void retro_reset(void)
1867{
7a8d521f 1868 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1869 rebootemu = 1;
1870 //SysReset();
38c2028e 1871}
1872
1873static const unsigned short retro_psx_map[] = {
7a8d521f 1874 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1875 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1876 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1877 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1878 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1879 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1880 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1881 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1882 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1883 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1884 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1885 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1886 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1887 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1888 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1889 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
38c2028e 1890};
1891#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1892
d6a231b7 1893//Percentage distance of screen to adjust for Guncon
7a8d521f 1894static int GunconAdjustX = 0;
1895static int GunconAdjustY = 0;
1896
d6a231b7 1897//Used when out by a percentage with Guncon
7a8d521f 1898static float GunconAdjustRatioX = 1;
1899static float GunconAdjustRatioY = 1;
1900
805fe9bc 1901static void update_variables(bool in_flight)
e268a47e 1902{
e268a47e 1903 struct retro_variable var;
7a8d521f 1904#ifdef GPU_PEOPS
1905 // Always enable GPU_PEOPS_OLD_FRAME_SKIP flag
1906 // (this is set in standalone, with no option
1907 // to change it)
1908 int gpu_peops_fix = GPU_PEOPS_OLD_FRAME_SKIP;
1909#endif
1910 frameskip_type_t prev_frameskip_type;
1911
1912 var.value = NULL;
1913 var.key = "pcsx_rearmed_frameskip_type";
1914
1915 prev_frameskip_type = frameskip_type;
1916 frameskip_type = FRAMESKIP_NONE;
1917 pl_rearmed_cbs.frameskip = 0;
1918
1919 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1920 {
1921 if (strcmp(var.value, "auto") == 0)
1922 frameskip_type = FRAMESKIP_AUTO;
1923 if (strcmp(var.value, "auto_threshold") == 0)
1924 frameskip_type = FRAMESKIP_AUTO_THRESHOLD;
1925 if (strcmp(var.value, "fixed_interval") == 0)
1926 frameskip_type = FRAMESKIP_FIXED_INTERVAL;
1927 }
1928
1929 if (frameskip_type != 0)
1930 pl_rearmed_cbs.frameskip = -1;
7d68d030 1931
e268a47e 1932 var.value = NULL;
7a8d521f 1933 var.key = "pcsx_rearmed_frameskip_threshold";
1934 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1935 {
1936 frameskip_threshold = strtol(var.value, NULL, 10);
1937 }
e268a47e 1938
7a8d521f 1939 var.value = NULL;
1940 var.key = "pcsx_rearmed_frameskip_interval";
1941 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1942 {
1943 frameskip_interval = strtol(var.value, NULL, 10);
1944 }
9f5a28d9 1945
1946 var.value = NULL;
4e477065 1947 var.key = "pcsx_rearmed_region";
7a8d521f 1948 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 1949 {
1950 Config.PsxAuto = 0;
7a8d521f 1951 if (strcmp(var.value, "auto") == 0)
9f5a28d9 1952 Config.PsxAuto = 1;
1953 else if (strcmp(var.value, "NTSC") == 0)
1954 Config.PsxType = 0;
1955 else if (strcmp(var.value, "PAL") == 0)
1956 Config.PsxType = 1;
1957 }
4615b075 1958
7a8d521f 1959 update_multitap();
1960
4615b075 1961 var.value = NULL;
7a8d521f 1962 var.key = "pcsx_rearmed_negcon_deadzone";
1963 negcon_deadzone = 0;
1964 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1965 {
1966 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1967 }
4615b075 1968
7a8d521f 1969 var.value = NULL;
1970 var.key = "pcsx_rearmed_negcon_response";
1971 negcon_linearity = 1;
1972 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4615b075 1973 {
7a8d521f 1974 if (strcmp(var.value, "quadratic") == 0)
1975 {
1976 negcon_linearity = 2;
1977 }
1978 else if (strcmp(var.value, "cubic") == 0)
1979 {
1980 negcon_linearity = 3;
1981 }
1982 }
1983
1984 var.value = NULL;
1985 var.key = "pcsx_rearmed_analog_axis_modifier";
1986 axis_bounds_modifier = true;
1987 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1988 {
1989 if (strcmp(var.value, "square") == 0)
1990 {
1991 axis_bounds_modifier = true;
1992 }
1993 else if (strcmp(var.value, "circle") == 0)
1994 {
1995 axis_bounds_modifier = false;
1996 }
1997 }
1998
1999 var.value = NULL;
2000 var.key = "pcsx_rearmed_vibration";
2001
2002 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2003 {
2004 if (strcmp(var.value, "disabled") == 0)
2005 in_enable_vibration = 0;
2006 else if (strcmp(var.value, "enabled") == 0)
2007 in_enable_vibration = 1;
4615b075 2008 }
2009
4e477065 2010 var.value = NULL;
7a8d521f 2011 var.key = "pcsx_rearmed_dithering";
4e477065 2012
7a8d521f 2013 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4e477065 2014 {
7a8d521f 2015 if (strcmp(var.value, "disabled") == 0)
2016 {
2017 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
2018 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
2019 pl_rearmed_cbs.gpu_unai.dithering = 0;
2020#ifdef GPU_NEON
2021 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
2022#endif
2023 }
2024 else if (strcmp(var.value, "enabled") == 0)
2025 {
2026 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2027 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
2028 pl_rearmed_cbs.gpu_unai.dithering = 1;
2029#ifdef GPU_NEON
2030 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
2031#endif
2032 }
4e477065 2033 }
2034
7a8d521f 2035#ifdef GPU_NEON
2036 var.value = NULL;
fdcde643 2037 var.key = "pcsx_rearmed_neon_interlace_enable_v2";
9f5a28d9 2038
7a8d521f 2039 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 2040 {
2041 if (strcmp(var.value, "disabled") == 0)
2042 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
2043 else if (strcmp(var.value, "enabled") == 0)
2044 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
fdcde643 2045 else // auto
2046 pl_rearmed_cbs.gpu_neon.allow_interlace = 2;
9f5a28d9 2047 }
2048
7d68d030 2049 var.value = NULL;
55e5626b 2050 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 2051
7a8d521f 2052 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
7d68d030 2053 {
2054 if (strcmp(var.value, "disabled") == 0)
2055 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
2056 else if (strcmp(var.value, "enabled") == 0)
2057 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
2058 }
354329fa 2059
2060 var.value = NULL;
55e5626b 2061 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 2062
7a8d521f 2063 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
354329fa 2064 {
2065 if (strcmp(var.value, "disabled") == 0)
2066 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
2067 else if (strcmp(var.value, "enabled") == 0)
2068 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
2069 }
094ec204 2070#endif
0e5a7b7d 2071
7a8d521f 2072 var.value = NULL;
0e5a7b7d 2073 var.key = "pcsx_rearmed_duping_enable";
2074
7a8d521f 2075 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
0e5a7b7d 2076 {
7a8d521f 2077 if (strcmp(var.value, "disabled") == 0)
0e5a7b7d 2078 duping_enable = false;
7a8d521f 2079 else if (strcmp(var.value, "enabled") == 0)
0e5a7b7d 2080 duping_enable = true;
2081 }
2082
7a8d521f 2083 var.value = NULL;
2084 var.key = "pcsx_rearmed_display_internal_fps";
2085
2086 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2087 {
2088 if (strcmp(var.value, "disabled") == 0)
2089 display_internal_fps = false;
2090 else if (strcmp(var.value, "enabled") == 0)
2091 display_internal_fps = true;
2092 }
2093
2094 //
2095 // CPU emulation related config
48f615ba 2096#ifndef DRC_DISABLE
2097 var.value = NULL;
4e477065 2098 var.key = "pcsx_rearmed_drc";
48f615ba 2099
7a8d521f 2100 if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
2101 var.value = "enabled";
2102
48f615ba 2103 {
2104 R3000Acpu *prev_cpu = psxCpu;
2105
7a8d521f 2106#ifdef _3DS
2107 if (!__ctr_svchax)
2108 Config.Cpu = CPU_INTERPRETER;
2109 else
2110#endif
1da9b9ae 2111 if (strcmp(var.value, "disabled") == 0)
48f615ba 2112 Config.Cpu = CPU_INTERPRETER;
2113 else if (strcmp(var.value, "enabled") == 0)
2114 Config.Cpu = CPU_DYNAREC;
2115
2116 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
7a8d521f 2117 if (psxCpu != prev_cpu)
2118 {
980f7a58 2119 prev_cpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
48f615ba 2120 prev_cpu->Shutdown();
2121 psxCpu->Init();
980f7a58 2122 psxCpu->Reset();
2123 psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
48f615ba 2124 }
2125 }
7a8d521f 2126#endif /* !DRC_DISABLE */
2127
2128 var.value = NULL;
2129 var.key = "pcsx_rearmed_psxclock";
2130 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2131 {
2132 int psxclock = atoi(var.value);
2133 Config.cycle_multiplier = 10000 / psxclock;
2134 }
2135
2136#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
2137 var.value = NULL;
2138 var.key = "pcsx_rearmed_nosmccheck";
2139 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2140 {
2141 if (strcmp(var.value, "enabled") == 0)
2142 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2143 else
2144 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2145 }
2146
2147 var.value = NULL;
2148 var.key = "pcsx_rearmed_gteregsunneeded";
2149 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2150 {
2151 if (strcmp(var.value, "enabled") == 0)
2152 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2153 else
2154 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2155 }
2156
2157 var.value = NULL;
2158 var.key = "pcsx_rearmed_nogteflags";
2159 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2160 {
2161 if (strcmp(var.value, "enabled") == 0)
2162 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2163 else
2164 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2165 }
2166
2167 var.value = NULL;
2168 var.key = "pcsx_rearmed_nocompathacks";
2169 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2170 {
2171 if (strcmp(var.value, "enabled") == 0)
2172 new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
2173 else
2174 new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
2175 }
2176#endif /* !DRC_DISABLE && !LIGHTREC */
2177
2178 var.value = NULL;
2179 var.key = "pcsx_rearmed_nostalls";
2180 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2181 {
2182 if (strcmp(var.value, "enabled") == 0)
2183 Config.DisableStalls = 1;
2184 else
2185 Config.DisableStalls = 0;
2186 }
2187
2188 var.value = NULL;
2189 var.key = "pcsx_rearmed_icache_emulation";
2190 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2191 {
2192 if (strcmp(var.value, "disabled") == 0)
2193 Config.icache_emulation = 0;
2194 else if (strcmp(var.value, "enabled") == 0)
2195 Config.icache_emulation = 1;
2196 }
2197
bc7c5acb 2198 var.value = NULL;
2199 var.key = "pcsx_rearmed_exception_emulation";
2200 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2201 {
2202 if (strcmp(var.value, "enabled") == 0)
2203 Config.PreciseExceptions = 1;
2204 else
2205 Config.PreciseExceptions = 0;
2206 }
2207
32631e6a 2208 psxCpu->ApplyConfig();
805fe9bc 2209
7a8d521f 2210 // end of CPU emu config
2211 //
2212
2213 var.value = NULL;
01394a7f 2214 var.key = "pcsx_rearmed_spu_reverb";
2215
7a8d521f 2216 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2217 {
7a8d521f 2218 if (strcmp(var.value, "disabled") == 0)
01394a7f 2219 spu_config.iUseReverb = false;
7a8d521f 2220 else if (strcmp(var.value, "enabled") == 0)
01394a7f 2221 spu_config.iUseReverb = true;
2222 }
2223
7a8d521f 2224 var.value = NULL;
01394a7f 2225 var.key = "pcsx_rearmed_spu_interpolation";
2226
7a8d521f 2227 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2228 {
2229 if (strcmp(var.value, "simple") == 0)
2230 spu_config.iUseInterpolation = 1;
2231 else if (strcmp(var.value, "gaussian") == 0)
2232 spu_config.iUseInterpolation = 2;
2233 else if (strcmp(var.value, "cubic") == 0)
2234 spu_config.iUseInterpolation = 3;
2235 else if (strcmp(var.value, "off") == 0)
2236 spu_config.iUseInterpolation = 0;
2237 }
2238
16809ab9 2239 var.value = NULL;
2240 var.key = "pcsx_rearmed_spu_thread";
2241 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2242 {
2243 if (strcmp(var.value, "enabled") == 0)
2244 spu_config.iUseThread = 1;
2245 else
2246 spu_config.iUseThread = 0;
2247 }
2248
9165d434 2249 if (P_HAVE_PTHREAD) {
f28d12a7
PC		 2250 var.value = NULL;
2251 var.key = "pcsx_rearmed_async_cd";
2252 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2253 {
2254 if (strcmp(var.value, "async") == 0)
2255 {
2256 Config.AsyncCD = 1;
2257 Config.CHD_Precache = 0;
2258 }
2259 else if (strcmp(var.value, "sync") == 0)
2260 {
2261 Config.AsyncCD = 0;
2262 Config.CHD_Precache = 0;
2263 }
2264 else if (strcmp(var.value, "precache") == 0)
2265 {
2266 Config.AsyncCD = 0;
2267 Config.CHD_Precache = 1;
2268 }
2269 }
7a8d521f 2270 }
7a8d521f 2271
2272 var.value = NULL;
2273 var.key = "pcsx_rearmed_noxadecoding";
2274 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2275 {
2276 if (strcmp(var.value, "disabled") == 0)
2277 Config.Xa = 1;
2278 else
2279 Config.Xa = 0;
2280 }
2281
2282 var.value = NULL;
2283 var.key = "pcsx_rearmed_nocdaudio";
2284 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2285 {
2286 if (strcmp(var.value, "disabled") == 0)
2287 Config.Cdda = 1;
2288 else
2289 Config.Cdda = 0;
2290 }
2291
8c84ba5f 2292 var.value = NULL;
2293 var.key = "pcsx_rearmed_gpu_slow_llists";
2294 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2295 {
2296 if (strcmp(var.value, "disabled") == 0)
308c6e67 2297 Config.GpuListWalking = 0;
8c84ba5f 2298 else if (strcmp(var.value, "enabled") == 0)
308c6e67 2299 Config.GpuListWalking = 1;
8c84ba5f 2300 else // auto
308c6e67 2301 Config.GpuListWalking = -1;
2302 }
2303
2304 var.value = NULL;
2305 var.key = "pcsx_rearmed_screen_centering";
2306 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2307 {
2308 if (strcmp(var.value, "game") == 0)
2309 pl_rearmed_cbs.screen_centering_type = 1;
44e76f8a 2310 else if (strcmp(var.value, "borderless") == 0)
308c6e67 2311 pl_rearmed_cbs.screen_centering_type = 2;
44e76f8a 2312 else if (strcmp(var.value, "manual") == 0)
2313 pl_rearmed_cbs.screen_centering_type = 3;
308c6e67 2314 else // auto
2315 pl_rearmed_cbs.screen_centering_type = 0;
2316 }
2317
2318 var.value = NULL;
2319 var.key = "pcsx_rearmed_screen_centering_x";
2320 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2321 {
2322 pl_rearmed_cbs.screen_centering_x = atoi(var.value);
2323 }
2324
2325 var.value = NULL;
2326 var.key = "pcsx_rearmed_screen_centering_y";
2327 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2328 {
2329 pl_rearmed_cbs.screen_centering_y = atoi(var.value);
8c84ba5f 2330 }
2331
7a8d521f 2332#ifdef THREAD_RENDERING
2333 var.key = "pcsx_rearmed_gpu_thread_rendering";
2334 var.value = NULL;
2335
2336 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2337 {
2338 if (strcmp(var.value, "disabled") == 0)
2339 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
2340 else if (strcmp(var.value, "sync") == 0)
2341 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
2342 else if (strcmp(var.value, "async") == 0)
2343 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
2344 }
2345#endif
2346
2347#ifdef GPU_PEOPS
2348 var.value = NULL;
2349 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
2350
2351 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2352 {
2353 if (strcmp(var.value, "enabled") == 0)
2354 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
2355 }
2356
2357 var.value = NULL;
2358 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
2359
2360 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2361 {
2362 if (strcmp(var.value, "enabled") == 0)
2363 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
2364 }
2365
2366 var.value = NULL;
2367 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
2368
2369 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2370 {
2371 if (strcmp(var.value, "enabled") == 0)
2372 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
2373 }
2374
2375 var.value = NULL;
2376 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
2377
2378 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2379 {
2380 if (strcmp(var.value, "enabled") == 0)
2381 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
2382 }
2383
2384 var.value = NULL;
2385 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
2386
2387 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2388 {
2389 if (strcmp(var.value, "enabled") == 0)
2390 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
2391 }
2392
2393 var.value = NULL;
2394 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
2395
2396 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2397 {
2398 if (strcmp(var.value, "enabled") == 0)
2399 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
2400 }
2401
2402 var.value = NULL;
2403 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
2404
2405 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2406 {
2407 if (strcmp(var.value, "enabled") == 0)
2408 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
2409 }
2410
2411 var.value = NULL;
2412 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
2413
2414 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2415 {
2416 if (strcmp(var.value, "enabled") == 0)
2417 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
2418 }
2419
2420 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
2421 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
2422#endif
2423
2424#ifdef GPU_UNAI
2425 /* Note: This used to be an option, but it only works
2426 * (correctly) when running high resolution games
2427 * (480i, 512i) and has been obsoleted by
2428 * pcsx_rearmed_gpu_unai_scale_hires */
2429 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2430 /* Note: This used to be an option, but it has no
2431 * discernable effect and has been obsoleted by
2432 * pcsx_rearmed_gpu_unai_scale_hires */
2433 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2434
2435 var.key = "pcsx_rearmed_gpu_unai_lighting";
2436 var.value = NULL;
2437
2438 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2439 {
2440 if (strcmp(var.value, "disabled") == 0)
2441 pl_rearmed_cbs.gpu_unai.lighting = 0;
2442 else if (strcmp(var.value, "enabled") == 0)
2443 pl_rearmed_cbs.gpu_unai.lighting = 1;
2444 }
2445
2446 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2447 var.value = NULL;
2448
2449 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2450 {
2451 if (strcmp(var.value, "disabled") == 0)
2452 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2453 else if (strcmp(var.value, "enabled") == 0)
2454 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2455 }
2456
2457 var.key = "pcsx_rearmed_gpu_unai_blending";
2458 var.value = NULL;
2459
2460 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2461 {
2462 if (strcmp(var.value, "disabled") == 0)
2463 pl_rearmed_cbs.gpu_unai.blending = 0;
2464 else if (strcmp(var.value, "enabled") == 0)
2465 pl_rearmed_cbs.gpu_unai.blending = 1;
2466 }
2467
2468 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2469 var.value = NULL;
2470
2471 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2472 {
2473 if (strcmp(var.value, "disabled") == 0)
2474 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2475 else if (strcmp(var.value, "enabled") == 0)
2476 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2477 }
2478#endif // GPU_UNAI
2479
d6a231b7
S		 2480 var.value = NULL;
2481 var.key = "pcsx_rearmed_crosshair1";
2482
2483 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2484 {
2485 if (strcmp(var.value, "disabled") == 0)
2486 in_enable_crosshair[0] = 0;
2487 else if (strcmp(var.value, "blue") == 0)
2488 in_enable_crosshair[0] = 0x1F;
2489 else if (strcmp(var.value, "green") == 0)
2490 in_enable_crosshair[0] = 0x7E0;
2491 else if (strcmp(var.value, "red") == 0)
2492 in_enable_crosshair[0] = 0xF800;
2493 else if (strcmp(var.value, "white") == 0)
2494 in_enable_crosshair[0] = 0xFFFF;
2495 }
2496
2497 var.value = NULL;
2498 var.key = "pcsx_rearmed_crosshair2";
2499
2500 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2501 {
2502 if (strcmp(var.value, "disabled") == 0)
2503 in_enable_crosshair[1] = 0;
2504 else if (strcmp(var.value, "blue") == 0)
2505 in_enable_crosshair[1] = 0x1F;
2506 else if (strcmp(var.value, "green") == 0)
2507 in_enable_crosshair[1] = 0x7E0;
2508 else if (strcmp(var.value, "red") == 0)
2509 in_enable_crosshair[1] = 0xF800;
2510 else if (strcmp(var.value, "white") == 0)
2511 in_enable_crosshair[1] = 0xFFFF;
2512 }
2513
7a8d521f 2514 //This adjustment process gives the user the ability to manually align the mouse up better
2515 //with where the shots are in the emulator.
2516
d6a231b7
S		 2517 var.value = NULL;
2518 var.key = "pcsx_rearmed_konamigunadjustx";
2519
2520 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2521 {
2522 KonamiGunAdjustX = atof(var.value) / 100.0f;
2523 }
2524
2525 var.value = NULL;
2526 var.key = "pcsx_rearmed_konamigunadjusty";
2527
2528 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2529 {
2530 KonamiGunAdjustY = atof(var.value) / 100.0f;
2531 }
2532
7a8d521f 2533 var.value = NULL;
2534 var.key = "pcsx_rearmed_gunconadjustx";
2535
2536 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2537 {
2538 GunconAdjustX = atoi(var.value);
2539 }
2540
2541 var.value = NULL;
2542 var.key = "pcsx_rearmed_gunconadjusty";
2543
2544 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2545 {
2546 GunconAdjustY = atoi(var.value);
2547 }
2548
2549 var.value = NULL;
2550 var.key = "pcsx_rearmed_gunconadjustratiox";
2551
2552 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2553 {
2554 GunconAdjustRatioX = atof(var.value);
2555 }
2556
2557 var.value = NULL;
2558 var.key = "pcsx_rearmed_gunconadjustratioy";
2559
2560 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2561 {
2562 GunconAdjustRatioY = atof(var.value);
2563 }
2564
2565 var.value = NULL;
2566 var.key = "pcsx_rearmed_input_sensitivity";
2567 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2568 {
2569 mouse_sensitivity = atof(var.value);
2570 }
2571
2572 if (in_flight)
2573 {
32ab9e53
TJ		 2574 // inform core things about possible config changes
2575 plugin_call_rearmed_cbs();
805fe9bc 2576
7a8d521f 2577 if (GPU_open != NULL && GPU_close != NULL)
2578 {
32ab9e53
TJ		 2579 GPU_close();
2580 GPU_open(&gpuDisp, "PCSX", NULL);
2581 }
805fe9bc 2582
7a8d521f 2583 /* Reinitialise frameskipping, if required */
2584 if (((frameskip_type != prev_frameskip_type)))
2585 retro_set_audio_buff_status_cb();
2586
2587 /* dfinput_activate(); */
32ab9e53 2588 }
7a8d521f 2589 else
2590 {
2591 //not yet running
2592
2593 //bootlogo display hack
2594 if (found_bios)
2595 {
2596 var.value = NULL;
2597 var.key = "pcsx_rearmed_show_bios_bootlogo";
2598 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2599 {
2600 Config.SlowBoot = 0;
2601 rebootemu = 0;
2602 if (strcmp(var.value, "enabled") == 0)
2603 {
2604 Config.SlowBoot = 1;
2605 rebootemu = 1;
2606 }
2607 }
2608 }
2609 }
2610
2611 update_option_visibility();
e268a47e 2612}
2613
7a8d521f 2614// Taken from beetle-psx-libretro
2615static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
38c2028e 2616{
7a8d521f 2617 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2618 // feature (or pre-date it) so we need to handle this in a graceful way.
2619
2620 // First, try and get an analog value using the new libretro API constant
2621 uint16_t button = input_state_cb(player_index,
2622 RETRO_DEVICE_ANALOG,
2623 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2624 id);
2625 button = MIN(button / 128, 255);
38c2028e 2626
7a8d521f 2627 if (button == 0)
2628 {
2629 // If we got exactly zero, we're either not pressing the button, or the front-end
2630 // is not reporting analog values. We need to do a second check using the classic
2631 // digital API method, to at least get some response - better than nothing.
e268a47e 2632
7a8d521f 2633 // NOTE: If we're really just not holding the button, we're still going to get zero.
e268a47e 2634
7a8d521f 2635 button = (ret & (1 << id)) ? 255 : 0;
2636 }
38c2028e 2637
7a8d521f 2638 return button;
2639}
4615b075 2640
7a8d521f 2641unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2642{
2643 float modifier_axis_range = 0;
2644
2645 if (is_square)
2646 {
2647 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2648 if (modifier_axis_range < 0)
2649 {
2650 modifier_axis_range = 0;
2651 }
2652 else if (modifier_axis_range > 255)
2653 {
2654 modifier_axis_range = 255;
2655 }
2656 }
2657 else
2658 {
2659 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2660 }
38c2028e 2661
7a8d521f 2662 return modifier_axis_range;
38c2028e 2663}
2664
7a8d521f 2665static void update_input_guncon(int port, int ret)
74ebc05b 2666{
7a8d521f 2667 //ToDo:
7a8d521f 2668 //Separate pointer and lightgun control types
2669
2670 //Mouse range is -32767 -> 32767
2671 //1% is about 655
2672 //Use the left analog stick field to store the absolute coordinates
2db412ad 2673
2674 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
2675 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
2676
2677 //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
2678 //Offscreen value is chosen to be well out of range of any possible scaling done via core options
7a8d521f 2679 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))
2680 {
f6eb0b1c 2681 in_analog_left[port][0] = 65536;
2682 in_analog_left[port][1] = 65536;
7a8d521f 2683 }
2684 else
2685 {
f6eb0b1c 2686 in_analog_left[port][0] = ((gunx * GunconAdjustRatioX) + (GunconAdjustX * 655)) / 64 + 512;
2687 in_analog_left[port][1] = ((guny * GunconAdjustRatioY) + (GunconAdjustY * 655)) / 64 + 512;
7a8d521f 2688 }
2689
2690 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
74ebc05b 2691
7a8d521f 2692 // Trigger
2693 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))
2694 in_keystate[port] |= (1 << DKEY_CIRCLE);
74ebc05b 2695
7a8d521f 2696 // A
2697 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
2698 in_keystate[port] |= (1 << DKEY_START);
74ebc05b 2699
7a8d521f 2700 // B
2701 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B))
2702 in_keystate[port] |= (1 << DKEY_CROSS);
2703
2704}
74ebc05b 2705
d6a231b7
S		 2706static void update_input_justifier(int port, int ret)
2707{
2708 //ToDo:
2709 //Separate pointer and lightgun control types
2710
2711 //RetroArch lightgun range is -32767 -> 32767 on both axes (positive Y is down)
2712
2713 //JUSTIFIER has 3 controls, Trigger,Special,Start which equal Square,Cross,Start
2714
2715 // Trigger
2716 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))
2717 in_keystate[port] |= (1 << DKEY_SQUARE);
2718
2719 // Special
2720 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
2721 in_keystate[port] |= (1 << DKEY_CROSS);
2722
2723 // Start
2724 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_START))
2725 in_keystate[port] |= (1 << DKEY_START);
2726
2727}
2728
7a8d521f 2729static void update_input_negcon(int port, int ret)
2730{
2731 int lsx;
2732 int rsy;
2733 int negcon_i_rs;
2734 int negcon_ii_rs;
2735 float negcon_twist_amplitude;
2736
2737 // Query digital inputs
2738 //
2739 // > Pad-Up
2740 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2741 in_keystate[port] |= (1 << DKEY_UP);
2742 // > Pad-Right
2743 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2744 in_keystate[port] |= (1 << DKEY_RIGHT);
2745 // > Pad-Down
2746 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2747 in_keystate[port] |= (1 << DKEY_DOWN);
2748 // > Pad-Left
2749 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2750 in_keystate[port] |= (1 << DKEY_LEFT);
2751 // > Start
2752 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2753 in_keystate[port] |= (1 << DKEY_START);
2754 // > neGcon A
2755 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2756 in_keystate[port] |= (1 << DKEY_CIRCLE);
2757 // > neGcon B
2758 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2759 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2760 // > neGcon R shoulder (digital)
2761 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2762 in_keystate[port] |= (1 << DKEY_R1);
2763 // Query analog inputs
2764 //
2765 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2766 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2767 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2768 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2769 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2770 // So we just have to map in_analog_left/right to more
2771 // appropriate inputs...
2772 //
2773 // > NeGcon twist
2774 // >> Get raw analog stick value and account for deadzone
2775 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2776 if (lsx > negcon_deadzone)
2777 lsx = lsx - negcon_deadzone;
2778 else if (lsx < -negcon_deadzone)
2779 lsx = lsx + negcon_deadzone;
2780 else
2781 lsx = 0;
2782 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2783 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2784 if (negcon_linearity == 2)
2785 {
2786 if (negcon_twist_amplitude < 0.0)
2787 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2788 else
2789 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2790 }
2791 else if (negcon_linearity == 3)
2792 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2793 // >> Convert to final 'in_analog' integer value [0,255]
2794 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2795 // > NeGcon I + II
2796 // >> Handle right analog stick vertical axis mapping...
2797 // - Up (-Y) == accelerate == neGcon I
2798 // - Down (+Y) == brake == neGcon II
2799 negcon_i_rs = 0;
2800 negcon_ii_rs = 0;
2801 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2802 if (rsy >= 0)
2803 {
2804 // Account for deadzone
2805 // (Note: have never encountered a gamepad with significant differences
2806 // in deadzone between left/right analog sticks, so use the regular 'twist'
2807 // deadzone here)
2808 if (rsy > negcon_deadzone)
2809 rsy = rsy - negcon_deadzone;
2810 else
2811 rsy = 0;
2812 // Convert to 'in_analog' integer value [0,255]
2813 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2814 }
2815 else
2816 {
2817 if (rsy < -negcon_deadzone)
2818 rsy = -1 * (rsy + negcon_deadzone);
2819 else
2820 rsy = 0;
2821 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2822 }
2823 // >> NeGcon I
2824 in_analog_right[port][1] = MAX(
2825 MAX(
2826 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2827 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2828 negcon_i_rs);
2829 // >> NeGcon II
2830 in_analog_left[port][0] = MAX(
2831 MAX(
2832 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2833 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2834 negcon_ii_rs);
2835 // > NeGcon L
2836 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2837}
2838
2839static void update_input_mouse(int port, int ret)
2840{
2841 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2842 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2843
2844 int x = (int)roundf(raw_x * mouse_sensitivity);
2845 int y = (int)roundf(raw_y * mouse_sensitivity);
2846
2847 if (x > 127) x = 127;
2848 else if (x < -128) x = -128;
2849
2850 if (y > 127) y = 127;
2851 else if (y < -128) y = -128;
2852
2853 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2854 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2855
2856 /* left mouse button state */
2857 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2858 in_keystate[port] |= 1 << 11;
2859
2860 /* right mouse button state */
2861 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2862 in_keystate[port] |= 1 << 10;
74ebc05b 2863}
2864
7a8d521f 2865static void update_input(void)
2866{
2867 // reset all keystate, query libretro for keystate
2868 int i;
2869 int j;
2870
2871 for (i = 0; i < PORTS_NUMBER; i++)
2872 {
2873 int16_t ret = 0;
2874 int type = in_type[i];
2875
2876 in_keystate[i] = 0;
2877
2878 if (type == PSE_PAD_TYPE_NONE)
2879 continue;
2880
2881 if (libretro_supports_bitmasks)
2882 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2883 else
2884 {
2885 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2886 {
2887 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2888 ret |= (1 << j);
2889 }
2890 }
2891
2892 switch (type)
2893 {
2894 case PSE_PAD_TYPE_GUNCON:
2895 update_input_guncon(i, ret);
2896 break;
d6a231b7
S		 2897 case PSE_PAD_TYPE_GUN:
2898 update_input_justifier(i, ret);
2899 break;
7a8d521f 2900 case PSE_PAD_TYPE_NEGCON:
2901 update_input_negcon(i, ret);
2902 break;
2903 case PSE_PAD_TYPE_MOUSE:
2904 update_input_mouse(i, ret);
2905 break;
2906 default:
2907 // Query digital inputs
2908 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2909 if (ret & (1 << j))
2910 in_keystate[i] |= retro_psx_map[j];
2911
2912 // Query analog inputs
2913 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2914 {
2915 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);
2916 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);
2917 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);
2918 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);
2919 }
2920 }
2921 }
2922}
2923
2924static void print_internal_fps(void)
2925{
2926 if (display_internal_fps)
2927 {
2928 frame_count++;
2929
2930 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2931 {
2932 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2933 char str[64];
2934 const char *strc = (const char *)str;
2935
2936 str[0] = '\0';
2937
2938 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2939
2940 pl_rearmed_cbs.flip_cnt = 0;
2941
2942 if (msg_interface_version >= 1)
2943 {
2944 struct retro_message_ext msg = {
2945 strc,
2946 3000,
2947 1,
2948 RETRO_LOG_INFO,
2949 RETRO_MESSAGE_TARGET_OSD,
2950 RETRO_MESSAGE_TYPE_STATUS,
2951 -1
2952 };
2953 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2954 }
2955 else
2956 {
2957 struct retro_message msg = {
2958 strc,
2959 180
2960 };
2961 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2962 }
2963 }
2964 }
2965 else
2966 frame_count = 0;
2967}
2968
2969void retro_run(void)
2970{
2971 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2972 if (rebootemu != 0)
2973 {
2974 rebootemu = 0;
2975 SysReset();
d512faf7 2976 if (Config.HLE)
2977 LoadCdrom();
7a8d521f 2978 }
2979
5d9e675a 2980 set_vout_fb();
7a8d521f 2981 print_internal_fps();
2982
2983 /* Check whether current frame should
2984 * be skipped */
2985 pl_rearmed_cbs.fskip_force = 0;
2986 pl_rearmed_cbs.fskip_dirty = 0;
2987
2988 if (frameskip_type != FRAMESKIP_NONE)
2989 {
2990 bool skip_frame = false;
2991
2992 switch (frameskip_type)
2993 {
2994 case FRAMESKIP_AUTO:
2995 skip_frame = retro_audio_buff_active && retro_audio_buff_underrun;
2996 break;
2997 case FRAMESKIP_AUTO_THRESHOLD:
2998 skip_frame = retro_audio_buff_active && (retro_audio_buff_occupancy < frameskip_threshold);
2999 break;
3000 case FRAMESKIP_FIXED_INTERVAL:
3001 skip_frame = true;
3002 break;
3003 default:
3004 break;
3005 }
3006
3007 if (skip_frame && frameskip_counter < frameskip_interval)
3008 pl_rearmed_cbs.fskip_force = 1;
3009 }
3010
3011 /* If frameskip/timing settings have changed,
3012 * update frontend audio latency
3013 * > Can do this before or after the frameskip
3014 * check, but doing it after means we at least
3015 * retain the current frame's audio output */
3016 if (update_audio_latency)
3017 {
3018 environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
3019 &retro_audio_latency);
3020 update_audio_latency = false;
3021 }
3022
3023 input_poll_cb();
3024
3025 update_input();
3026
3027 bool updated = false;
3028 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
3029 update_variables(true);
3030
3031 stop = 0;
3032 psxCpu->Execute();
3033
3034 if (pl_rearmed_cbs.fskip_dirty == 1) {
3035 if (frameskip_counter < frameskip_interval)
3036 frameskip_counter++;
3037 else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
3038 frameskip_counter = 0;
3039 }
3040
3041 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
5d9e675a 3042 vout_width, vout_height, vout_pitch * 2);
7a8d521f 3043 vout_fb_dirty = 0;
7a8d521f 3044}
3045
4a1d78d4 3046static bool try_use_bios(const char *path, bool preferred_only)
7a8d521f 3047{
3048 long size;
3049 const char *name;
3050 FILE *fp = fopen(path, "rb");
3051 if (fp == NULL)
3052 return false;
3053
3054 fseek(fp, 0, SEEK_END);
3055 size = ftell(fp);
3056 fclose(fp);
3057
7a8d521f 3058 name = strrchr(path, SLASH);
3059 if (name++ == NULL)
3060 name = path;
4a1d78d4 3061
3062 if (preferred_only && size != 512 * 1024)
3063 return false;
3064 if (size != 512 * 1024 && size != 4 * 1024 * 1024)
3065 return false;
3066 if (strstr(name, "unirom"))
3067 return false;
3068 // jp bios have an addidional region check
3069 if (preferred_only && (strcasestr(name, "00.") || strcasestr(name, "j.bin")))
3070 return false;
3071
7a8d521f 3072 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
3073 return true;
3074}
3075
3076#ifndef VITA
74ebc05b 3077#include <sys/types.h>
3078#include <dirent.h>
3079
3080static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
3081{
4a1d78d4 3082 static const char *substr_pref[] = { "scph", "ps" };
3083 static const char *substr_alt[] = { "scph", "ps", "openbios" };
7a8d521f 3084 DIR *dir;
3085 struct dirent *ent;
3086 bool ret = false;
378428ac 3087 size_t i;
74ebc05b 3088
7a8d521f 3089 dir = opendir(dirpath);
3090 if (dir == NULL)
3091 return false;
74ebc05b 3092
4a1d78d4 3093 // try to find a "better" bios
3094 while ((ent = readdir(dir)))
7a8d521f 3095 {
4a1d78d4 3096 for (i = 0; i < sizeof(substr_pref) / sizeof(substr_pref[0]); i++)
378428ac 3097 {
4a1d78d4 3098 const char *substr = substr_pref[i];
3099 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
378428ac 3100 continue;
4a1d78d4 3101 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
3102 ret = try_use_bios(path, true);
3103 if (ret)
3104 goto finish;
3105 }
3106 }
378428ac 3107
4a1d78d4 3108 // another pass to look for anything fitting, even ps2 bios
3109 rewinddir(dir);
3110 while ((ent = readdir(dir)))
3111 {
3112 for (i = 0; i < sizeof(substr_alt) / sizeof(substr_alt[0]); i++)
3113 {
3114 const char *substr = substr_alt[i];
3115 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
3116 continue;
378428ac 3117 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
4a1d78d4 3118 ret = try_use_bios(path, false);
378428ac 3119 if (ret)
4a1d78d4 3120 goto finish;
378428ac 3121 }
7a8d521f 3122 }
4a1d78d4 3123
3124
3125finish:
7a8d521f 3126 closedir(dir);
3127 return ret;
74ebc05b 3128}
3129#else
3130#define find_any_bios(...) false
3131#endif
3132
11813b9d 3133static void check_system_specs(void)
3134{
3135 unsigned level = 6;
3136 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
3137}
3138
7a8d521f 3139static int init_memcards(void)
3140{
3141 int ret = 0;
3142 const char *dir;
3143 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
3144 static const char CARD2_FILE[] = "pcsx-card2.mcd";
3145
3146 // Memcard2 will be handled and is re-enabled if needed using core
3147 // operations.
3148 // Memcard1 is handled by libretro, doing this will set core to
3149 // skip file io operations for memcard1 like SaveMcd
3150 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
3151 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
3152 init_memcard(Mcd1Data);
3153 // Memcard 2 is managed by the emulator on the filesystem,
3154 // There is no need to initialize Mcd2Data like Mcd1Data.
3155
3156 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
3157 {
3158 SysPrintf("Memcard 2: %s\n", var.value);
3159 if (memcmp(var.value, "enabled", 7) == 0)
3160 {
3161 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
3162 {
3163 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
3164 {
3165 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
3166 ret = -1;
3167 }
3168 else
3169 {
3170 McdDisable[1] = 0;
3171 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
3172 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
3173 }
3174 }
3175 else
3176 {
3177 SysPrintf("Could not get save directory! Could not create memcard 2.");
3178 ret = -1;
3179 }
3180 }
3181 }
3182 return ret;
3183}
3184
3185static void loadPSXBios(void)
3186{
3187 const char *dir;
3188 char path[PATH_MAX];
3189 unsigned useHLE = 0;
3190
3191 const char *bios[] = {
3192 "PSXONPSP660", "psxonpsp660",
3193 "SCPH101", "scph101",
3194 "SCPH5501", "scph5501",
3195 "SCPH7001", "scph7001",
3196 "SCPH1001", "scph1001"
3197 };
3198
3199 struct retro_variable var = {
3200 .key = "pcsx_rearmed_bios",
3201 .value = NULL
3202 };
3203
3204 found_bios = 0;
3205
3206 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
3207 {
3208 if (!strcmp(var.value, "HLE"))
3209 useHLE = 1;
3210 }
3211
3212 if (!useHLE)
3213 {
3214 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
3215 {
3216 unsigned i;
3217 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
3218
3219 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
3220 {
3221 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
4a1d78d4 3222 found_bios = try_use_bios(path, true);
7a8d521f 3223 if (found_bios)
3224 break;
3225 }
3226
3227 if (!found_bios)
3228 found_bios = find_any_bios(dir, path, sizeof(path));
3229 }
3230 if (found_bios)
3231 {
3232 SysPrintf("found BIOS file: %s\n", Config.Bios);
3233 }
3234 }
3235
3236 if (!found_bios)
3237 {
3238 const char *msg_str;
f3746eea 3239 unsigned duration;
7a8d521f 3240 if (useHLE)
3241 {
f3746eea 3242 msg_str = "BIOS set to \'hle\'";
7a8d521f 3243 SysPrintf("Using HLE BIOS.\n");
f3746eea 3244 // shorter as the user probably intentionally wants to use HLE
3245 duration = 700;
7a8d521f 3246 }
3247 else
3248 {
3249 msg_str = "No PlayStation BIOS file found - add for better compatibility";
3250 SysPrintf("No BIOS files found.\n");
f3746eea 3251 duration = 3000;
7a8d521f 3252 }
f3746eea 3253 show_notification(msg_str, duration, 2);
7a8d521f 3254 }
3255}
3256
38c2028e 3257void retro_init(void)
3258{
7a8d521f 3259 unsigned dci_version = 0;
3260 struct retro_rumble_interface rumble;
3261 int ret;
38c2028e 3262
7a8d521f 3263 msg_interface_version = 0;
3264 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
3265
3266#if defined(__MACH__) && !defined(TVOS)
3267 // magic sauce to make the dynarec work on iOS
3268 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
d148d265 3269#endif
3270
7a8d521f 3271#ifdef _3DS
3272 psxMapHook = pl_3ds_mmap;
3273 psxUnmapHook = pl_3ds_munmap;
3274#endif
3275#ifdef VITA
3276 if (init_vita_mmap() < 0)
3277 abort();
3278 psxMapHook = pl_vita_mmap;
3279 psxUnmapHook = pl_vita_munmap;
3280#endif
3281 ret = emu_core_preinit();
3282#ifdef _3DS
3283 /* emu_core_preinit sets the cpu to dynarec */
3284 if (!__ctr_svchax)
3285 Config.Cpu = CPU_INTERPRETER;
3286#endif
3287 ret |= init_memcards();
38c2028e 3288
7a8d521f 3289 ret |= emu_core_init();
3290 if (ret != 0)
3291 {
3292 SysPrintf("PCSX init failed.\n");
3293 exit(1);
3294 }
3295
3296#ifdef _3DS
3297 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
9165d434 3298#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
7a8d521f 3299 if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
3300 vout_buf = (void *) 0;
29122437 3301#else
7a8d521f 3302 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437 3303#endif
38c2028e 3304
7a8d521f 3305 vout_buf_ptr = vout_buf;
3306
3307 loadPSXBios();
3308
3309 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
3310
3311 disk_initial_index = 0;
3312 disk_initial_path[0] = '\0';
3313 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
3314 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
3315 else
3316 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
3317
3318 rumble_cb = NULL;
3319 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
3320 rumble_cb = rumble.set_rumble_state;
3321
3322 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
3323 * we have to do this because cache misses and some IO penalties
3324 * are not emulated. Warning: changing this may break compatibility. */
3325 Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
3326#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
3327 Config.cycle_multiplier = 200;
5ca2ec64 3328#endif
7a8d521f 3329 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
3330 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
5ca2ec64 3331
7a8d521f 3332 SaveFuncs.open = save_open;
3333 SaveFuncs.read = save_read;
3334 SaveFuncs.write = save_write;
3335 SaveFuncs.seek = save_seek;
3336 SaveFuncs.close = save_close;
6e921e1d 3337
7a8d521f 3338 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
3339 libretro_supports_bitmasks = true;
e268a47e 3340
7a8d521f 3341 check_system_specs();
38c2028e 3342}
3343
3344void retro_deinit(void)
3345{
7a8d521f 3346 if (plugins_opened)
3347 {
3348 ClosePlugins();
3349 plugins_opened = 0;
3350 }
3351 SysClose();
3352#ifdef _3DS
3353 linearFree(vout_buf);
3354#else
3355 free(vout_buf);
3356#endif
3357 vout_buf = NULL;
3358
3359#ifdef VITA
3360 deinit_vita_mmap();
3361#endif
3362 libretro_supports_bitmasks = false;
3363 libretro_supports_option_categories = false;
3364
3365 show_input_settings = true;
3366#ifdef GPU_PEOPS
3367 show_advanced_gpu_peops_settings = true;
3368#endif
3369#ifdef GPU_UNAI
3370 show_advanced_gpu_unai_settings = true;
3371#endif
3372
3373 /* Have to reset disks struct, otherwise
3374 * fnames/flabels will leak memory */
3375 disk_init();
3376 frameskip_type = FRAMESKIP_NONE;
3377 frameskip_threshold = 0;
3378 frameskip_interval = 0;
3379 frameskip_counter = 0;
3380 retro_audio_buff_active = false;
3381 retro_audio_buff_occupancy = 0;
3382 retro_audio_buff_underrun = false;
3383 retro_audio_latency = 0;
3384 update_audio_latency = false;
3385}
3386
3387#ifdef VITA
3388#include <psp2/kernel/threadmgr.h>
3389int usleep(unsigned long us)
3390{
3391 sceKernelDelayThread(us);
3392}
3393#endif
3394
3395void SysPrintf(const char *fmt, ...)
3396{
3397 va_list list;
3398 char msg[512];
3399
3400 va_start(list, fmt);
3401 vsprintf(msg, fmt, list);
3402 va_end(list);
3403
3404 if (log_cb)
3405 log_cb(RETRO_LOG_INFO, "%s", msg);
3406}
3407
3408/* Prints debug-level logs */
3409void SysDLog(const char *fmt, ...)
3410{
3411 va_list list;
3412 char msg[512];
3413
3414 va_start(list, fmt);
3415 vsprintf(msg, fmt, list);
3416 va_end(list);
3417
3418 if (log_cb)
3419 log_cb(RETRO_LOG_DEBUG, "%s", msg);
38c2028e 3420}
378428ac 3421
3422// vim:sw=3:ts=3:expandtab
ARM optimized PCSX fork