physical cdrom readahead
[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
e0216409 18#include "retro_miscellaneous.h"
7a8d521f 19#ifdef SWITCH
20#include <switch.h>
21#endif
22
38c2028e 23#include "../libpcsxcore/misc.h"
24#include "../libpcsxcore/psxcounters.h"
87e5b45f 25#include "../libpcsxcore/psxmem_map.h"
38c2028e 26#include "../libpcsxcore/new_dynarec/new_dynarec.h"
23ea11bd 27#include "../libpcsxcore/cdrom.h"
28#include "../libpcsxcore/cdriso.h"
6e921e1d 29#include "../libpcsxcore/cheat.h"
7a8d521f 30#include "../libpcsxcore/r3000a.h"
abf09485 31#include "../libpcsxcore/gpu.h"
f3746eea 32#include "../libpcsxcore/database.h"
07c13dfd 33#include "../plugins/dfsound/out.h"
01394a7f 34#include "../plugins/dfsound/spu_config.h"
c82f907a 35#include "cspace.h"
38c2028e 36#include "main.h"
7a8d521f 37#include "menu.h"
38c2028e 38#include "plugin.h"
39#include "plugin_lib.h"
8f2bb0cb 40#include "arm_features.h"
38c2028e 41#include "revision.h"
7a8d521f 42
43#include <libretro.h>
44#include "libretro_core_options.h"
45
46#ifdef USE_LIBRETRO_VFS
47#include <streams/file_stream_transforms.h>
48#endif
49
50#ifdef _3DS
51#include "3ds/3ds_utils.h"
52#endif
53
54#define PORTS_NUMBER 8
55
56#ifndef MIN
57#define MIN(a, b) ((a) < (b) ? (a) : (b))
58#endif
59
60#ifndef MAX
61#define MAX(a, b) ((a) > (b) ? (a) : (b))
62#endif
63
64#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
65
66#define INTERNAL_FPS_SAMPLE_PERIOD 64
67
68//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
69static int rebootemu = 0;
38c2028e 70
71static retro_video_refresh_t video_cb;
72static retro_input_poll_t input_poll_cb;
73static retro_input_state_t input_state_cb;
74static retro_environment_t environ_cb;
75static retro_audio_sample_batch_t audio_batch_cb;
7a8d521f 76static retro_set_rumble_state_t rumble_cb;
77static struct retro_log_callback logging;
78static retro_log_printf_t log_cb;
79
0709d254 80#define LogWarn(fmt, ...) do { \
81 if (log_cb) log_cb(RETRO_LOG_WARN, fmt, ##__VA_ARGS__); \
82} while (0)
83#define LogErr(fmt, ...) do { \
84 if (log_cb) log_cb(RETRO_LOG_ERROR, fmt, ##__VA_ARGS__); \
85} while (0)
86
7a8d521f 87static unsigned msg_interface_version = 0;
38c2028e 88
89static void *vout_buf;
7a8d521f 90static void *vout_buf_ptr;
5d9e675a 91static int vout_width = 256, vout_height = 240, vout_pitch = 256;
308c6e67 92static int vout_fb_dirty;
f6eb0b1c 93static int psx_w, psx_h;
1a6164a1 94static bool vout_can_dupe;
7a8d521f 95static bool found_bios;
96static bool display_internal_fps = false;
97static unsigned frame_count = 0;
98static bool libretro_supports_bitmasks = false;
99static bool libretro_supports_option_categories = false;
100static bool show_input_settings = true;
101#ifdef GPU_PEOPS
102static bool show_advanced_gpu_peops_settings = true;
103#endif
104#ifdef GPU_UNAI
105static bool show_advanced_gpu_unai_settings = true;
106#endif
107static float mouse_sensitivity = 1.0f;
6a131b03 108static unsigned int disk_current_index;
7a8d521f 109
110typedef enum
111{
112 FRAMESKIP_NONE = 0,
113 FRAMESKIP_AUTO,
114 FRAMESKIP_AUTO_THRESHOLD,
115 FRAMESKIP_FIXED_INTERVAL
116} frameskip_type_t;
117
118static unsigned frameskip_type = FRAMESKIP_NONE;
119static unsigned frameskip_threshold = 0;
120static unsigned frameskip_interval = 0;
121static unsigned frameskip_counter = 0;
122
123static int retro_audio_buff_active = false;
124static unsigned retro_audio_buff_occupancy = 0;
125static int retro_audio_buff_underrun = false;
126
127static unsigned retro_audio_latency = 0;
128static int update_audio_latency = false;
129
130static unsigned previous_width = 0;
131static unsigned previous_height = 0;
70d56ca3 132
38c2028e 133static int plugins_opened;
17f84149 134static int is_pal_mode;
38c2028e 135
f9f60dae
TK
136/* memory card data */
137extern char Mcd1Data[MCD_SIZE];
7a8d521f 138extern char Mcd2Data[MCD_SIZE];
f9f60dae 139extern char McdDisable[2];
38c2028e 140
141/* PCSX ReARMed core calls and stuff */
7a8d521f 142int in_type[8] = {
143 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
144 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
145 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
146 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE
147};
148int in_analog_left[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
149int in_analog_right[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
150unsigned short in_keystate[PORTS_NUMBER];
151int in_mouse[8][2];
152int multitap1 = 0;
153int multitap2 = 0;
4e477065 154int in_enable_vibration = 1;
e5241564 155static int in_enable_crosshair[2] = { 0, 0 };
a3d87cd7 156static int in_dualshock_analog_combo = 0;
157static bool in_dualshock_toggling = false;
38c2028e 158
7a8d521f 159// NegCon adjustment parameters
160// > The NegCon 'twist' action is somewhat awkward when mapped
161// to a standard analog stick -> user should be able to tweak
162// response/deadzone for comfort
163// > When response is linear, 'additional' deadzone (set here)
164// may be left at zero, since this is normally handled via in-game
165// options menus
166// > When response is non-linear, deadzone should be set to match the
167// controller being used (otherwise precision may be lost)
168// > negcon_linearity:
169// - 1: Response is linear - recommended when using racing wheel
170// peripherals, not recommended for standard gamepads
171// - 2: Response is quadratic - optimal setting for gamepads
172// - 3: Response is cubic - enables precise fine control, but
173// difficult to use...
174#define NEGCON_RANGE 0x7FFF
175static int negcon_deadzone = 0;
176static int negcon_linearity = 1;
177
178static bool axis_bounds_modifier;
179
805fe9bc 180/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
7a8d521f 181#define VOUT_MAX_WIDTH 1024
805fe9bc 182#define VOUT_MAX_HEIGHT 512
183
7a8d521f 184//Dummy functions
185bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) { return false; }
186void retro_unload_game(void) {}
187static int vout_open(void) { return 0; }
188static void vout_close(void) {}
189static int snd_init(void) { return 0; }
190static void snd_finish(void) {}
191static int snd_busy(void) { return 0; }
192
193#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
194#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
195#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
196#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
197#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
198#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
199#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
200#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
201#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
202
7df396ea
TK
203static void init_memcard(char *mcd_data)
204{
7a8d521f 205 unsigned off = 0;
206 unsigned i;
7df396ea 207
7a8d521f 208 memset(mcd_data, 0, MCD_SIZE);
7df396ea 209
7a8d521f 210 mcd_data[off++] = 'M';
211 mcd_data[off++] = 'C';
212 off += 0x7d;
213 mcd_data[off++] = 0x0e;
7df396ea 214
7a8d521f 215 for (i = 0; i < 15; i++)
216 {
217 mcd_data[off++] = 0xa0;
218 off += 0x07;
219 mcd_data[off++] = 0xff;
220 mcd_data[off++] = 0xff;
221 off += 0x75;
222 mcd_data[off++] = 0xa0;
223 }
7df396ea 224
7a8d521f 225 for (i = 0; i < 20; i++)
226 {
227 mcd_data[off++] = 0xff;
228 mcd_data[off++] = 0xff;
229 mcd_data[off++] = 0xff;
230 mcd_data[off++] = 0xff;
231 off += 0x04;
232 mcd_data[off++] = 0xff;
233 mcd_data[off++] = 0xff;
234 off += 0x76;
235 }
7df396ea
TK
236}
237
7a8d521f 238static void set_vout_fb()
38c2028e 239{
7a8d521f 240 struct retro_framebuffer fb = { 0 };
241
242 fb.width = vout_width;
243 fb.height = vout_height;
244 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
245
5d9e675a 246 vout_pitch = vout_width;
3e82ffc4 247 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb)
248 && fb.format == RETRO_PIXEL_FORMAT_RGB565
61a1bbbb 249 && vout_can_dupe)
3e82ffc4 250 {
5d9e675a 251 vout_buf_ptr = fb.data;
252 if (fb.pitch / 2 != vout_pitch && fb.pitch != vout_width * 2)
0709d254 253 LogWarn("got unusual pitch %zd for resolution %dx%d\n", fb.pitch, vout_width, vout_height);
5d9e675a 254 vout_pitch = fb.pitch / 2;
255 }
7a8d521f 256 else
257 vout_buf_ptr = vout_buf;
38c2028e 258}
259
e4c83ca6 260static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
38c2028e 261{
7a8d521f 262 vout_width = w;
263 vout_height = h;
f6eb0b1c 264 psx_w = raw_w;
265 psx_h = raw_h;
7a8d521f 266
267 if (previous_width != vout_width || previous_height != vout_height)
268 {
269 previous_width = vout_width;
270 previous_height = vout_height;
271
272 struct retro_system_av_info info;
273 retro_get_system_av_info(&info);
274 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
275 }
276
277 set_vout_fb();
38c2028e 278}
279
cc4f9b70 280#ifndef FRONTEND_SUPPORTS_RGB565
9c59f120 281static void convert(void *buf, size_t bytes)
38c2028e 282{
7a8d521f 283 unsigned int i, v, *p = buf;
38c2028e 284
7a8d521f 285 for (i = 0; i < bytes / 4; i++)
286 {
287 v = p[i];
288 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
289 }
38c2028e 290}
46aa5b98 291#endif
38c2028e 292
d6a231b7
S
293// Function to add crosshairs
294static 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) {
295 for (port = 0; port < 2; port++) {
296 // Draw the horizontal line of the crosshair
297 for (int i = pos_y - thickness / 2; i <= pos_y + thickness / 2; i++) {
298 for (int j = pos_x - size_x / 2; j <= pos_x + size_x / 2; j++) {
299 if ((i + vout_height) >= 0 && (i + vout_height) < bufferStride && j >= 0 && j < bufferStride && in_enable_crosshair[port] > 0)
300 buffer[i * bufferStride + j] = crosshair_color;
301 }
302 }
303
304 // Draw the vertical line of the crosshair
305 for (int i = pos_x - thickness / 2; i <= pos_x + thickness / 2; i++) {
306 for (int j = pos_y - size_y / 2; j <= pos_y + size_y / 2; j++) {
307 if (i >= 0 && i < bufferStride && (j + vout_height) >= 0 && (j + vout_height) < bufferStride && in_enable_crosshair[port] > 0)
308 buffer[j * bufferStride + i] = crosshair_color;
309 }
310 }
311 }
312}
313
314struct CrosshairInfo {
315 int pos_x, pos_y, thickness, size_x, size_y;
316};
317
318// Calculate size and position of crosshairs
319static void CrosshairDimensions(int port, struct CrosshairInfo *info) {
320 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
321 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
322 if (gunx == 32767) // Prevent crosshairs from wrapping around right side of screen to left
323 info->pos_x = (gunx + 32767.0f) * vout_width / 65534.0f - 0.5f;
324 else
325 info->pos_x = (gunx + 32767.0f) * vout_width / 65534.0f;
326 info->pos_y = (guny + 32767.0f) * vout_height / 65534.0f - vout_height;
327 info->thickness = pl_rearmed_cbs.gpu_neon.enhancement_enable ? 4 : 2;
328 info->size_x = psx_w * (pl_rearmed_cbs.gpu_neon.enhancement_enable ? 2 : 1) / 40.0f;
329 info->size_y = psx_h * (pl_rearmed_cbs.gpu_neon.enhancement_enable ? 2 : 1) * (4.0f / 3.0f) / 40.0f;
330}
331
308c6e67 332static void vout_flip(const void *vram, int stride, int bgr24,
333 int x, int y, int w, int h, int dims_changed)
38c2028e 334{
7a8d521f 335 unsigned short *dest = vout_buf_ptr;
336 const unsigned short *src = vram;
5d9e675a 337 int dstride = vout_pitch, h1 = h;
d6a231b7 338 int port = 0;
7a8d521f 339
d6a231b7 340 if (vram == NULL || dims_changed || (in_enable_crosshair[0] + in_enable_crosshair[1]) > 0)
7a8d521f 341 {
308c6e67 342 memset(vout_buf_ptr, 0, dstride * vout_height * 2);
7a8d521f 343 // blanking
308c6e67 344 if (vram == NULL)
345 goto out;
7a8d521f 346 }
347
308c6e67 348 dest += x + y * dstride;
7a8d521f 349
350 if (bgr24)
351 {
352 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
353 for (; h1-- > 0; dest += dstride, src += stride)
354 {
355 bgr888_to_rgb565(dest, src, w * 3);
356 }
357 }
358 else
359 {
360 for (; h1-- > 0; dest += dstride, src += stride)
361 {
362 bgr555_to_rgb565(dest, src, w * 2);
363 }
364 }
38c2028e 365
d6a231b7
S
366 for (port = 0; port < 2; port++) {
367 if (in_enable_crosshair[port] > 0 && (in_type[port] == PSE_PAD_TYPE_GUNCON || in_type[port] == PSE_PAD_TYPE_GUN))
368 {
369 struct CrosshairInfo crosshairInfo;
370 CrosshairDimensions(port, &crosshairInfo);
371 addCrosshair(port, in_enable_crosshair[port], dest, dstride, crosshairInfo.pos_x, crosshairInfo.pos_y, crosshairInfo.thickness, crosshairInfo.size_x, crosshairInfo.size_y);
372 }
373 }
374
fa56d360 375out:
46aa5b98 376#ifndef FRONTEND_SUPPORTS_RGB565
5d9e675a 377 convert(vout_buf_ptr, vout_pitch * vout_height * 2);
7a8d521f 378#endif
379 vout_fb_dirty = 1;
380 pl_rearmed_cbs.flip_cnt++;
381}
382
383#ifdef _3DS
384typedef struct
385{
386 void *buffer;
387 uint32_t target_map;
388 size_t size;
389 enum psxMapTag tag;
390} psx_map_t;
391
392psx_map_t custom_psx_maps[] = {
393 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
394 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
395 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
396 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
00274bf7 397 { NULL, 0x12000000, 0x201000, MAP_TAG_VRAM }, // 0x00000000
7a8d521f 398};
399
400void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
401 enum psxMapTag tag)
402{
403 (void)is_fixed;
404 (void)addr;
405
406 if (__ctr_svchax)
407 {
408 psx_map_t *custom_map = custom_psx_maps;
409
410 for (; custom_map->size; custom_map++)
411 {
412 if ((custom_map->size == size) && (custom_map->tag == tag))
413 {
414 uint32_t ptr_aligned, tmp;
91da8e32 415 void *ret;
7a8d521f 416
417 custom_map->buffer = malloc(size + 0x1000);
418 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
419
420 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
421 {
0709d254 422 LogErr("could not map memory @0x%08X\n", custom_map->target_map);
7a8d521f 423 exit(1);
424 }
425
91da8e32 426 ret = (void *)custom_map->target_map;
427 memset(ret, 0, size);
428 return ret;
7a8d521f 429 }
430 }
431 }
432
91da8e32 433 return calloc(size, 1);
7a8d521f 434}
435
436void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
437{
438 (void)tag;
439
440 if (__ctr_svchax)
441 {
442 psx_map_t *custom_map = custom_psx_maps;
443
444 for (; custom_map->size; custom_map++)
445 {
446 if ((custom_map->target_map == (uint32_t)ptr))
447 {
448 uint32_t ptr_aligned, tmp;
449
450 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
451
452 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
453
454 free(custom_map->buffer);
455 custom_map->buffer = NULL;
456 return;
457 }
458 }
459 }
460
461 free(ptr);
462}
463#endif
464
465#ifdef VITA
466typedef struct
467{
468 void *buffer;
7a8d521f 469 size_t size;
470 enum psxMapTag tag;
00274bf7 471 int used;
7a8d521f 472} psx_map_t;
473
00274bf7 474static void *addr = NULL;
7a8d521f 475
476psx_map_t custom_psx_maps[] = {
00274bf7 477 { NULL, 0x800000, MAP_TAG_LUTS },
478 { NULL, 0x080000, MAP_TAG_OTHER },
479 { NULL, 0x010000, MAP_TAG_OTHER },
480 { NULL, 0x201000, MAP_TAG_VRAM },
481 { NULL, 0x802000, MAP_TAG_VRAM }, // enhanced renderer
482 { NULL, 0x210000, MAP_TAG_RAM },
7a8d521f 483};
484
485int init_vita_mmap()
486{
487 int n;
488 void *tmpaddr;
489 addr = malloc(64 * 1024 * 1024);
490 if (addr == NULL)
491 return -1;
00274bf7 492 tmpaddr = (void *)(((size_t)addr + 0xFFFFFF) & ~0xFFFFFF);
493 custom_psx_maps[0].buffer = tmpaddr + 0x0000000;
494 custom_psx_maps[1].buffer = tmpaddr + 0x0800000;
495 custom_psx_maps[2].buffer = tmpaddr + 0x0880000;
496 custom_psx_maps[3].buffer = tmpaddr + 0x0900000;
7a8d521f 497 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
00274bf7 498 custom_psx_maps[5].buffer = tmpaddr + 0x2000000;
91da8e32 499 memset(tmpaddr, 0, 0x2210000);
7a8d521f 500#if 0
501 for(n = 0; n < 5; n++){
502 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
503 }
46aa5b98 504#endif
7a8d521f 505 return 0;
506}
507
508void deinit_vita_mmap()
509{
00274bf7 510 size_t i;
511 for (i = 0; i < sizeof(custom_psx_maps) / sizeof(custom_psx_maps[0]); i++) {
512 custom_psx_maps[i].buffer = NULL;
513 custom_psx_maps[i].used = 0;
514 }
7a8d521f 515 free(addr);
516}
517
518void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
519 enum psxMapTag tag)
520{
521 (void)is_fixed;
522 (void)addr;
523
524 psx_map_t *custom_map = custom_psx_maps;
525
526 for (; custom_map->size; custom_map++)
527 {
00274bf7 528 if (custom_map->size == size && custom_map->tag == tag && !custom_map->used)
7a8d521f 529 {
00274bf7 530 custom_map->used = 1;
7a8d521f 531 return custom_map->buffer;
532 }
533 }
534
91da8e32 535 return calloc(size, 1);
38c2028e 536}
537
7a8d521f 538void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
38c2028e 539{
7a8d521f 540 (void)tag;
541
542 psx_map_t *custom_map = custom_psx_maps;
543
544 for (; custom_map->size; custom_map++)
545 {
546 if ((custom_map->buffer == ptr))
547 {
00274bf7 548 custom_map->used = 0;
7a8d521f 549 return;
550 }
551 }
552
553 free(ptr);
38c2028e 554}
7a8d521f 555#endif
38c2028e 556
cc56203b 557static void *pl_mmap(unsigned int size)
558{
7a8d521f 559 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 560}
561
562static void pl_munmap(void *ptr, unsigned int size)
563{
7a8d521f 564 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 565}
566
38c2028e 567struct rearmed_cbs pl_rearmed_cbs = {
7a8d521f 568 .pl_vout_open = vout_open,
569 .pl_vout_set_mode = vout_set_mode,
570 .pl_vout_flip = vout_flip,
571 .pl_vout_close = vout_close,
572 .mmap = pl_mmap,
573 .munmap = pl_munmap,
abf09485 574 .gpu_state_change = gpu_state_change,
7a8d521f 575 /* from psxcounters */
576 .gpu_hcnt = &hSyncCount,
577 .gpu_frame_count = &frame_counter,
38c2028e 578};
579
580void pl_frame_limit(void)
581{
7a8d521f 582 /* called once per frame, make psxCpu->Execute() above return */
da65071f 583 stop++;
38c2028e 584}
585
586void pl_timing_prepare(int is_pal)
587{
7a8d521f 588 is_pal_mode = is_pal;
38c2028e 589}
590
d71c7095 591void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 592{
7a8d521f 593 if (!rumble_cb)
594 return;
595
596 if (in_enable_vibration)
597 {
598 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
599 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
600 }
38c2028e 601}
602
d6a231b7
S
603//Percentage distance of screen to adjust for Konami Gun
604static float KonamiGunAdjustX = 0;
605static float KonamiGunAdjustY = 0;
606
2db412ad 607void pl_gun_byte2(int port, unsigned char byte)
38c2028e 608{
d6a231b7
S
609 int irq_count = 4;
610 float justifier_multiplier = 0;
611 int justifier_width = psx_w;
612 int justifier_height = psx_h;
613 int justifier_offscreen = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN);
614 int justifier_reload = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD);
615
616 if (justifier_width == 256)
617 justifier_multiplier = is_pal_mode ? .157086f : .158532f;
618 else if (justifier_width == 320)
619 justifier_multiplier = is_pal_mode ? .196358f : .198166f;
620 else if (justifier_width == 384)
621 justifier_multiplier = is_pal_mode ? .224409f : .226475f;
622 else if (justifier_width == 512)
623 justifier_multiplier = is_pal_mode ? .314173f : .317065f;
624 else // (justifier_width == 640)
625 justifier_multiplier = is_pal_mode ? .392717f : .396332f;
626
627 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
628 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
629
630 //Default offset of +105 for X and -12 for Y is chosen to obtain alignment in Die Hard Trilogy, which has no calibration feature
631 int gunx_scaled = ((gunx + 32767.0f) / 65534.0f + KonamiGunAdjustX) * justifier_width / justifier_multiplier + 105.0f;
632 int guny_scaled = ((guny + 32767.0f) / 65534.0f + KonamiGunAdjustY) * justifier_height - 12.0f;
633
634 if ((byte & 0x10) && !justifier_offscreen && !justifier_reload)
635 {
636 psxScheduleIrq10(irq_count, gunx_scaled, guny_scaled);
637 }
38c2028e 638}
639
640/* sound calls */
7a8d521f 641static void snd_feed(void *buf, int bytes)
38c2028e 642{
7a8d521f 643 if (audio_batch_cb != NULL)
644 audio_batch_cb(buf, bytes / 4);
38c2028e 645}
646
7a8d521f 647void out_register_libretro(struct out_driver *drv)
38c2028e 648{
7a8d521f 649 drv->name = "libretro";
650 drv->init = snd_init;
651 drv->finish = snd_finish;
652 drv->busy = snd_busy;
653 drv->feed = snd_feed;
38c2028e 654}
655
d6a231b7
S
656#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
657#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
658#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
659#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
660#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
661#define RETRO_DEVICE_PSE_JUSTIFIER RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 1)
662#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
7a8d521f 663
664static char *get_pse_pad_label[] = {
665 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
666};
667
d6a231b7 668static const struct retro_controller_description pads[8] =
38c2028e 669{
d6a231b7
S
670 { "standard", RETRO_DEVICE_JOYPAD },
671 { "analog", RETRO_DEVICE_PSE_ANALOG },
672 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
673 { "negcon", RETRO_DEVICE_PSE_NEGCON },
674 { "guncon", RETRO_DEVICE_PSE_GUNCON },
675 { "konami gun", RETRO_DEVICE_PSE_JUSTIFIER },
676 { "mouse", RETRO_DEVICE_PSE_MOUSE },
7a8d521f 677 { NULL, 0 },
678};
38c2028e 679
7a8d521f 680static const struct retro_controller_info ports[9] =
38c2028e 681{
7a8d521f 682 { pads, 7 },
683 { pads, 7 },
684 { pads, 7 },
685 { pads, 7 },
686 { pads, 7 },
687 { pads, 7 },
688 { pads, 7 },
689 { pads, 7 },
690 { NULL, 0 },
691};
38c2028e 692
7a8d521f 693/* libretro */
694
695static bool update_option_visibility(void)
07c13dfd 696{
7a8d521f 697 struct retro_variable var = {0};
698 struct retro_core_option_display option_display = {0};
699 bool updated = false;
700 unsigned i;
701
702 /* If frontend supports core option categories
703 * then show/hide core option entries are ignored
704 * and no options should be hidden */
705 if (libretro_supports_option_categories)
706 return false;
707
708 var.key = "pcsx_rearmed_show_input_settings";
709 var.value = NULL;
710
711 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
712 {
713 bool show_input_settings_prev =
714 show_input_settings;
715
716 show_input_settings = true;
717 if (strcmp(var.value, "disabled") == 0)
718 show_input_settings = false;
719
720 if (show_input_settings !=
721 show_input_settings_prev)
722 {
723 char input_option[][50] = {
724 "pcsx_rearmed_analog_axis_modifier",
725 "pcsx_rearmed_vibration",
726 "pcsx_rearmed_multitap",
727 "pcsx_rearmed_negcon_deadzone",
728 "pcsx_rearmed_negcon_response",
729 "pcsx_rearmed_input_sensitivity",
d6a231b7
S
730 "pcsx_rearmed_crosshair1",
731 "pcsx_rearmed_crosshair2",
732 "pcsx_rearmed_konamigunadjustx",
733 "pcsx_rearmed_konamigunadjusty",
7a8d521f 734 "pcsx_rearmed_gunconadjustx",
735 "pcsx_rearmed_gunconadjusty",
736 "pcsx_rearmed_gunconadjustratiox",
737 "pcsx_rearmed_gunconadjustratioy"
738 };
739
740 option_display.visible = show_input_settings;
741
742 for (i = 0;
743 i < (sizeof(input_option) /
744 sizeof(input_option[0]));
745 i++)
746 {
747 option_display.key = input_option[i];
748 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
749 &option_display);
750 }
751
752 updated = true;
753 }
754 }
755#ifdef GPU_PEOPS
756 var.key = "pcsx_rearmed_show_gpu_peops_settings";
757 var.value = NULL;
758
759 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
760 {
761 bool show_advanced_gpu_peops_settings_prev =
762 show_advanced_gpu_peops_settings;
763
764 show_advanced_gpu_peops_settings = true;
765 if (strcmp(var.value, "disabled") == 0)
766 show_advanced_gpu_peops_settings = false;
767
768 if (show_advanced_gpu_peops_settings !=
769 show_advanced_gpu_peops_settings_prev)
770 {
771 unsigned i;
772 struct retro_core_option_display option_display;
773 char gpu_peops_option[][45] = {
774 "pcsx_rearmed_gpu_peops_odd_even_bit",
775 "pcsx_rearmed_gpu_peops_expand_screen_width",
776 "pcsx_rearmed_gpu_peops_ignore_brightness",
777 "pcsx_rearmed_gpu_peops_disable_coord_check",
778 "pcsx_rearmed_gpu_peops_lazy_screen_update",
779 "pcsx_rearmed_gpu_peops_repeated_triangles",
780 "pcsx_rearmed_gpu_peops_quads_with_triangles",
781 "pcsx_rearmed_gpu_peops_fake_busy_state"
782 };
783
784 option_display.visible = show_advanced_gpu_peops_settings;
785
786 for (i = 0;
787 i < (sizeof(gpu_peops_option) /
788 sizeof(gpu_peops_option[0]));
789 i++)
790 {
791 option_display.key = gpu_peops_option[i];
792 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
793 &option_display);
794 }
795
796 updated = true;
797 }
798 }
799#endif
800#ifdef GPU_UNAI
801 var.key = "pcsx_rearmed_show_gpu_unai_settings";
802 var.value = NULL;
803
804 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
805 {
806 bool show_advanced_gpu_unai_settings_prev =
807 show_advanced_gpu_unai_settings;
808
809 show_advanced_gpu_unai_settings = true;
810 if (strcmp(var.value, "disabled") == 0)
811 show_advanced_gpu_unai_settings = false;
812
813 if (show_advanced_gpu_unai_settings !=
814 show_advanced_gpu_unai_settings_prev)
815 {
816 unsigned i;
817 struct retro_core_option_display option_display;
818 char gpu_unai_option[][40] = {
819 "pcsx_rearmed_gpu_unai_blending",
820 "pcsx_rearmed_gpu_unai_lighting",
821 "pcsx_rearmed_gpu_unai_fast_lighting",
822 "pcsx_rearmed_gpu_unai_scale_hires",
823 };
824
825 option_display.visible = show_advanced_gpu_unai_settings;
826
827 for (i = 0;
828 i < (sizeof(gpu_unai_option) /
829 sizeof(gpu_unai_option[0]));
830 i++)
831 {
832 option_display.key = gpu_unai_option[i];
833 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
834 &option_display);
835 }
836
837 updated = true;
838 }
839 }
840#endif
841 return updated;
07c13dfd 842}
843
e268a47e 844void retro_set_environment(retro_environment_t cb)
845{
7a8d521f 846 bool option_categories = false;
847#ifdef USE_LIBRETRO_VFS
848 struct retro_vfs_interface_info vfs_iface_info;
7d68d030 849#endif
e268a47e 850
851 environ_cb = cb;
852
7a8d521f 853 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
854 log_cb = logging.log;
855
856 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
857
858 /* Set core options
859 * An annoyance: retro_set_environment() can be called
860 * multiple times, and depending upon the current frontend
861 * state various environment callbacks may be disabled.
862 * This means the reported 'categories_supported' status
863 * may change on subsequent iterations. We therefore have
864 * to record whether 'categories_supported' is true on any
865 * iteration, and latch the result */
866 libretro_set_core_options(environ_cb, &option_categories);
867 libretro_supports_option_categories |= option_categories;
868
869 /* If frontend supports core option categories,
870 * any show/hide core option entries are unused
871 * and should be hidden */
872 if (libretro_supports_option_categories)
873 {
874 struct retro_core_option_display option_display;
875 option_display.visible = false;
876
877 option_display.key = "pcsx_rearmed_show_input_settings";
878 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
879 &option_display);
880
881#ifdef GPU_PEOPS
882 option_display.key = "pcsx_rearmed_show_gpu_peops_settings";
883 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
884 &option_display);
885#endif
886#ifdef GPU_UNAI
887 option_display.key = "pcsx_rearmed_show_gpu_unai_settings";
888 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
889 &option_display);
890#endif
891 }
892 /* If frontend does not support core option
893 * categories, core options may be shown/hidden
894 * at runtime. In this case, register 'update
895 * display' callback, so frontend can update
896 * core options menu without calling retro_run() */
897 else
898 {
899 struct retro_core_options_update_display_callback update_display_cb;
900 update_display_cb.callback = update_option_visibility;
901
902 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK,
903 &update_display_cb);
904 }
905
906#ifdef USE_LIBRETRO_VFS
907 vfs_iface_info.required_interface_version = 1;
908 vfs_iface_info.iface = NULL;
909 if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
910 filestream_vfs_init(&vfs_iface_info);
911#endif
e268a47e 912}
913
38c2028e 914void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
915void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
916void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
917void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
918void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
919
920unsigned retro_api_version(void)
921{
7a8d521f 922 return RETRO_API_VERSION;
923}
924
925static void update_multitap(void)
926{
927 struct retro_variable var = { 0 };
928
929 multitap1 = 0;
930 multitap2 = 0;
931
932 var.value = NULL;
933 var.key = "pcsx_rearmed_multitap";
934 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
935 {
936 if (strcmp(var.value, "port 1") == 0)
937 multitap1 = 1;
938 else if (strcmp(var.value, "port 2") == 0)
939 multitap2 = 1;
940 else if (strcmp(var.value, "ports 1 and 2") == 0)
941 {
942 multitap1 = 1;
943 multitap2 = 1;
944 }
945 }
38c2028e 946}
947
948void retro_set_controller_port_device(unsigned port, unsigned device)
949{
7a8d521f 950 if (port >= PORTS_NUMBER)
951 return;
952
953 switch (device)
954 {
955 case RETRO_DEVICE_JOYPAD:
956 case RETRO_DEVICE_PSE_STANDARD:
957 in_type[port] = PSE_PAD_TYPE_STANDARD;
958 break;
959 case RETRO_DEVICE_PSE_ANALOG:
960 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
961 break;
962 case RETRO_DEVICE_PSE_DUALSHOCK:
963 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
964 break;
965 case RETRO_DEVICE_PSE_MOUSE:
966 in_type[port] = PSE_PAD_TYPE_MOUSE;
967 break;
968 case RETRO_DEVICE_PSE_NEGCON:
969 in_type[port] = PSE_PAD_TYPE_NEGCON;
970 break;
971 case RETRO_DEVICE_PSE_GUNCON:
972 in_type[port] = PSE_PAD_TYPE_GUNCON;
973 break;
d6a231b7
S
974 case RETRO_DEVICE_PSE_JUSTIFIER:
975 in_type[port] = PSE_PAD_TYPE_GUN;
976 break;
7a8d521f 977 case RETRO_DEVICE_NONE:
978 default:
979 in_type[port] = PSE_PAD_TYPE_NONE;
980 break;
981 }
982
983 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
38c2028e 984}
985
986void retro_get_system_info(struct retro_system_info *info)
987{
7a8d521f 988#ifndef GIT_VERSION
989#define GIT_VERSION ""
990#endif
991 memset(info, 0, sizeof(*info));
992 info->library_name = "PCSX-ReARMed";
46d596bb 993 info->library_version = "r24l" GIT_VERSION;
0cae7d24 994 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd|iso|exe";
7a8d521f 995 info->need_fullpath = true;
38c2028e 996}
997
998void retro_get_system_av_info(struct retro_system_av_info *info)
999{
5d9e675a 1000 unsigned geom_height = vout_height;
1001 unsigned geom_width = vout_width;
7a8d521f 1002
1003 memset(info, 0, sizeof(*info));
1004 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
1005 info->timing.sample_rate = 44100.0;
1006 info->geometry.base_width = geom_width;
1007 info->geometry.base_height = geom_height;
1008 info->geometry.max_width = VOUT_MAX_WIDTH;
1009 info->geometry.max_height = VOUT_MAX_HEIGHT;
1010 info->geometry.aspect_ratio = 4.0 / 3.0;
38c2028e 1011}
1012
6e921e1d 1013/* savestates */
7a8d521f 1014size_t retro_serialize_size(void)
1015{
1016 // it's currently 4380651-4397047 bytes,
1017 // but have some reserved for future
1018 return 0x440000;
6e921e1d 1019}
1020
7a8d521f 1021struct save_fp
1022{
1023 char *buf;
1024 size_t pos;
1025 int is_write;
6e921e1d 1026};
1027
1028static void *save_open(const char *name, const char *mode)
1029{
7a8d521f 1030 struct save_fp *fp;
6e921e1d 1031
7a8d521f 1032 if (name == NULL || mode == NULL)
1033 return NULL;
6e921e1d 1034
7a8d521f 1035 fp = malloc(sizeof(*fp));
1036 if (fp == NULL)
1037 return NULL;
6e921e1d 1038
7a8d521f 1039 fp->buf = (char *)name;
1040 fp->pos = 0;
1041 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
6e921e1d 1042
7a8d521f 1043 return fp;
6e921e1d 1044}
1045
1046static int save_read(void *file, void *buf, u32 len)
1047{
7a8d521f 1048 struct save_fp *fp = file;
1049 if (fp == NULL || buf == NULL)
1050 return -1;
6e921e1d 1051
7a8d521f 1052 memcpy(buf, fp->buf + fp->pos, len);
1053 fp->pos += len;
1054 return len;
6e921e1d 1055}
1056
1057static int save_write(void *file, const void *buf, u32 len)
1058{
7a8d521f 1059 struct save_fp *fp = file;
1060 if (fp == NULL || buf == NULL)
1061 return -1;
6e921e1d 1062
7a8d521f 1063 memcpy(fp->buf + fp->pos, buf, len);
1064 fp->pos += len;
1065 return len;
6e921e1d 1066}
1067
1068static long save_seek(void *file, long offs, int whence)
1069{
7a8d521f 1070 struct save_fp *fp = file;
1071 if (fp == NULL)
1072 return -1;
6e921e1d 1073
7a8d521f 1074 switch (whence)
1075 {
1076 case SEEK_CUR:
1077 fp->pos += offs;
1078 return fp->pos;
1079 case SEEK_SET:
1080 fp->pos = offs;
1081 return fp->pos;
1082 default:
1083 return -1;
1084 }
6e921e1d 1085}
1086
1087static void save_close(void *file)
1088{
7a8d521f 1089 struct save_fp *fp = file;
1090 size_t r_size = retro_serialize_size();
1091 if (fp == NULL)
1092 return;
1093
1094 if (fp->pos > r_size)
0709d254 1095 LogErr("ERROR: save buffer overflow detected\n");
7a8d521f 1096 else if (fp->is_write && fp->pos < r_size)
1097 // make sure we don't save trash in leftover space
1098 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
1099 free(fp);
38c2028e 1100}
1101
1102bool retro_serialize(void *data, size_t size)
7a8d521f 1103{
6a131b03 1104 int ret;
1105 CdromFrontendId = disk_current_index;
1106 ret = SaveState(data);
7a8d521f 1107 return ret == 0 ? true : false;
38c2028e 1108}
1109
6a131b03 1110static bool disk_set_image_index(unsigned int index);
1111
38c2028e 1112bool retro_unserialize(const void *data, size_t size)
1113{
6a131b03 1114 int ret;
1115 CdromFrontendId = -1;
1116 ret = LoadState(data);
1117 if (ret)
1118 return false;
1119 if (CdromFrontendId != -1 && CdromFrontendId != disk_current_index)
1120 disk_set_image_index(CdromFrontendId);
1121 return true;
38c2028e 1122}
1123
23ea11bd 1124/* cheats */
38c2028e 1125void retro_cheat_reset(void)
1126{
7a8d521f 1127 ClearAllCheats();
38c2028e 1128}
1129
1130void retro_cheat_set(unsigned index, bool enabled, const char *code)
1131{
1e93efc0 1132 int ret = -1;
1133 char *buf;
7a8d521f 1134
1e93efc0 1135 // cheat funcs are destructive, need a copy...
1136 buf = strdup(code);
1137 if (buf == NULL)
1138 goto finish;
6e921e1d 1139
7a8d521f 1140 //Prepare buffered cheat for PCSX's AddCheat fucntion.
1141 int cursor = 0;
1142 int nonhexdec = 0;
1143 while (buf[cursor])
1144 {
1145 if (!(ISHEXDEC))
1146 {
1147 if (++nonhexdec % 2)
1148 {
1149 buf[cursor] = ' ';
1150 }
1151 else
1152 {
1153 buf[cursor] = '\n';
1154 }
1155 }
1156 cursor++;
1157 }
6e921e1d 1158
7a8d521f 1159 if (index < NumCheats)
1160 ret = EditCheat(index, "", buf);
1161 else
1162 ret = AddCheat("", buf);
6e921e1d 1163
1e93efc0 1164finish:
7a8d521f 1165 if (ret != 0)
0709d254 1166 LogErr("Failed to set cheat %#u\n", index);
7a8d521f 1167 else if (index < NumCheats)
1168 Cheats[index].Enabled = enabled;
1e93efc0 1169 free(buf);
38c2028e 1170}
1171
7a8d521f 1172// just in case, maybe a win-rt port in the future?
1173#ifdef _WIN32
1174#define SLASH '\\'
1175#else
1176#define SLASH '/'
1177#endif
1178
1179#ifndef PATH_MAX
1180#define PATH_MAX 4096
1181#endif
1182
23ea11bd 1183/* multidisk support */
7a8d521f 1184static unsigned int disk_initial_index;
1185static char disk_initial_path[PATH_MAX];
23ea11bd 1186static bool disk_ejected;
51ba7408 1187static unsigned int disk_count;
7a8d521f 1188static struct disks_state
1189{
1190 char *fname;
1191 char *flabel;
1192 int internal_index; // for multidisk eboots
23ea11bd 1193} disks[8];
1194
7a8d521f 1195static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
1196{
1197 const char *base = NULL;
1198
1199 if (!disk_path || (*disk_path == '\0'))
1200 return;
1201
1202 base = strrchr(disk_path, SLASH);
1203 if (!base)
1204 base = disk_path;
1205
1206 if (*base == SLASH)
1207 base++;
1208
1209 strncpy(disk_label, base, len - 1);
1210 disk_label[len - 1] = '\0';
1211
1212 char *ext = strrchr(disk_label, '.');
1213 if (ext)
1214 *ext = '\0';
1215}
1216
1217static void disk_init(void)
1218{
1219 size_t i;
1220
1221 disk_ejected = false;
1222 disk_current_index = 0;
1223 disk_count = 0;
1224
1225 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
1226 {
1227 if (disks[i].fname != NULL)
1228 {
1229 free(disks[i].fname);
1230 disks[i].fname = NULL;
1231 }
1232 if (disks[i].flabel != NULL)
1233 {
1234 free(disks[i].flabel);
1235 disks[i].flabel = NULL;
1236 }
1237 disks[i].internal_index = 0;
1238 }
1239}
1240
e0216409 1241#ifdef HAVE_CDROM
1242static long CALLBACK rcdrom_open(void);
1243static long CALLBACK rcdrom_close(void);
1244#endif
1245
23ea11bd 1246static bool disk_set_eject_state(bool ejected)
1247{
7a8d521f 1248 // weird PCSX API..
1249 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
1250 LidInterrupt();
23ea11bd 1251
e0216409 1252#ifdef HAVE_CDROM
1253 if (CDR_open == rcdrom_open) {
1254 // likely the real cd was also changed - rescan
1255 rcdrom_close();
1256 if (!ejected)
1257 rcdrom_open();
1258 }
1259#endif
7a8d521f 1260 disk_ejected = ejected;
1261 return true;
23ea11bd 1262}
1263
1264static bool disk_get_eject_state(void)
1265{
7a8d521f 1266 /* can't be controlled by emulated software */
1267 return disk_ejected;
23ea11bd 1268}
1269
1270static unsigned int disk_get_image_index(void)
1271{
7a8d521f 1272 return disk_current_index;
23ea11bd 1273}
1274
1275static bool disk_set_image_index(unsigned int index)
1276{
7a8d521f 1277 if (index >= sizeof(disks) / sizeof(disks[0]))
1278 return false;
23ea11bd 1279
7a8d521f 1280 CdromId[0] = '\0';
1281 CdromLabel[0] = '\0';
23ea11bd 1282
7a8d521f 1283 if (disks[index].fname == NULL)
1284 {
0709d254 1285 LogErr("missing disk #%u\n", index);
7a8d521f 1286 CDR_shutdown();
23ea11bd 1287
7a8d521f 1288 // RetroArch specifies "no disk" with index == count,
1289 // so don't fail here..
1290 disk_current_index = index;
1291 return true;
1292 }
23ea11bd 1293
0709d254 1294 LogErr("switching to disk %u: \"%s\" #%d\n", index,
7a8d521f 1295 disks[index].fname, disks[index].internal_index);
23ea11bd 1296
7a8d521f 1297 cdrIsoMultidiskSelect = disks[index].internal_index;
1298 set_cd_image(disks[index].fname);
1299 if (ReloadCdromPlugin() < 0)
1300 {
0709d254 1301 LogErr("failed to load cdr plugin\n");
7a8d521f 1302 return false;
1303 }
1304 if (CDR_open() < 0)
1305 {
0709d254 1306 LogErr("failed to open cdr plugin\n");
7a8d521f 1307 return false;
1308 }
23ea11bd 1309
7a8d521f 1310 if (!disk_ejected)
1311 {
e0216409 1312 disk_set_eject_state(disk_ejected);
7a8d521f 1313 }
23ea11bd 1314
7a8d521f 1315 disk_current_index = index;
1316 return true;
23ea11bd 1317}
1318
1319static unsigned int disk_get_num_images(void)
1320{
7a8d521f 1321 return disk_count;
23ea11bd 1322}
1323
1324static bool disk_replace_image_index(unsigned index,
7a8d521f 1325 const struct retro_game_info *info)
23ea11bd 1326{
7a8d521f 1327 char *old_fname = NULL;
1328 char *old_flabel = NULL;
1329 bool ret = true;
1330
1331 if (index >= sizeof(disks) / sizeof(disks[0]))
1332 return false;
1333
1334 old_fname = disks[index].fname;
1335 old_flabel = disks[index].flabel;
1336
1337 disks[index].fname = NULL;
1338 disks[index].flabel = NULL;
1339 disks[index].internal_index = 0;
1340
1341 if (info != NULL)
1342 {
1343 char disk_label[PATH_MAX];
1344 disk_label[0] = '\0';
1345
1346 disks[index].fname = strdup(info->path);
23ea11bd 1347
7a8d521f 1348 get_disk_label(disk_label, info->path, PATH_MAX);
1349 disks[index].flabel = strdup(disk_label);
23ea11bd 1350
7a8d521f 1351 if (index == disk_current_index)
1352 ret = disk_set_image_index(index);
1353 }
23ea11bd 1354
7a8d521f 1355 if (old_fname != NULL)
1356 free(old_fname);
23ea11bd 1357
7a8d521f 1358 if (old_flabel != NULL)
1359 free(old_flabel);
23ea11bd 1360
7a8d521f 1361 return ret;
23ea11bd 1362}
1363
1364static bool disk_add_image_index(void)
1365{
7a8d521f 1366 if (disk_count >= 8)
1367 return false;
51ba7408 1368
7a8d521f 1369 disk_count++;
1370 return true;
23ea11bd 1371}
1372
7a8d521f 1373static bool disk_set_initial_image(unsigned index, const char *path)
1374{
1375 if (index >= sizeof(disks) / sizeof(disks[0]))
1376 return false;
23ea11bd 1377
7a8d521f 1378 if (!path || (*path == '\0'))
1379 return false;
9fba39a9 1380
7a8d521f 1381 disk_initial_index = index;
9fba39a9 1382
7a8d521f 1383 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1384 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1385
1386 return true;
9fba39a9
T
1387}
1388
7a8d521f 1389static bool disk_get_image_path(unsigned index, char *path, size_t len)
9fba39a9 1390{
7a8d521f 1391 const char *fname = NULL;
9fba39a9 1392
7a8d521f 1393 if (len < 1)
1394 return false;
9fba39a9 1395
7a8d521f 1396 if (index >= sizeof(disks) / sizeof(disks[0]))
1397 return false;
1398
1399 fname = disks[index].fname;
1400
1401 if (!fname || (*fname == '\0'))
1402 return false;
1403
1404 strncpy(path, fname, len - 1);
1405 path[len - 1] = '\0';
1406
1407 return true;
1408}
1409
1410static bool disk_get_image_label(unsigned index, char *label, size_t len)
1411{
1412 const char *flabel = NULL;
1413
1414 if (len < 1)
1415 return false;
1416
1417 if (index >= sizeof(disks) / sizeof(disks[0]))
1418 return false;
1419
1420 flabel = disks[index].flabel;
1421
1422 if (!flabel || (*flabel == '\0'))
1423 return false;
1424
1425 strncpy(label, flabel, len - 1);
1426 label[len - 1] = '\0';
1427
1428 return true;
1429}
1430
1431static struct retro_disk_control_callback disk_control = {
1432 .set_eject_state = disk_set_eject_state,
1433 .get_eject_state = disk_get_eject_state,
1434 .get_image_index = disk_get_image_index,
1435 .set_image_index = disk_set_image_index,
1436 .get_num_images = disk_get_num_images,
1437 .replace_image_index = disk_replace_image_index,
1438 .add_image_index = disk_add_image_index,
1439};
1440
1441static struct retro_disk_control_ext_callback disk_control_ext = {
1442 .set_eject_state = disk_set_eject_state,
1443 .get_eject_state = disk_get_eject_state,
1444 .get_image_index = disk_get_image_index,
1445 .set_image_index = disk_set_image_index,
1446 .get_num_images = disk_get_num_images,
1447 .replace_image_index = disk_replace_image_index,
1448 .add_image_index = disk_add_image_index,
1449 .set_initial_image = disk_set_initial_image,
1450 .get_image_path = disk_get_image_path,
1451 .get_image_label = disk_get_image_label,
1452};
1453
1454static char base_dir[1024];
1455
1456static bool read_m3u(const char *file)
1457{
1458 char line[1024];
1459 char name[PATH_MAX];
1460 FILE *fp = fopen(file, "r");
1461 if (!fp)
1462 return false;
1463
1464 while (fgets(line, sizeof(line), fp) && disk_count < sizeof(disks) / sizeof(disks[0]))
1465 {
1466 if (line[0] == '#')
1467 continue;
1468 char *carrige_return = strchr(line, '\r');
1469 if (carrige_return)
1470 *carrige_return = '\0';
1471 char *newline = strchr(line, '\n');
1472 if (newline)
1473 *newline = '\0';
1474
1475 if (line[0] != '\0')
1476 {
1477 char disk_label[PATH_MAX];
1478 disk_label[0] = '\0';
1479
1480 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1481 disks[disk_count].fname = strdup(name);
1482
1483 get_disk_label(disk_label, name, PATH_MAX);
1484 disks[disk_count].flabel = strdup(disk_label);
1485
1486 disk_count++;
1487 }
1488 }
1489
1490 fclose(fp);
1491 return (disk_count != 0);
1492}
1493
1494static void extract_directory(char *buf, const char *path, size_t size)
1495{
1496 char *base;
1497 strncpy(buf, path, size - 1);
1498 buf[size - 1] = '\0';
1499
1500 base = strrchr(buf, '/');
1501 if (!base)
1502 base = strrchr(buf, '\\');
1503
1504 if (base)
1505 *base = '\0';
1506 else
1507 {
9fba39a9
T
1508 buf[0] = '.';
1509 buf[1] = '\0';
1510 }
1511}
1512
835c219c 1513// raw cdrom support
1514#ifdef HAVE_CDROM
1515#include "vfs/vfs_implementation.h"
1516#include "vfs/vfs_implementation_cdrom.h"
e0216409 1517#include "libretro-cdrom.h"
1518#include "rthreads/rthreads.h"
1519#include "retro_timers.h"
1520struct cached_buf {
1521 unsigned char buf[2352];
1522 unsigned int lba;
1523};
1524static struct {
1525 libretro_vfs_implementation_file *h;
1526 sthread_t *thread;
1527 slock_t *read_lock;
1528 slock_t *buf_lock;
1529 scond_t *cond;
1530 struct cached_buf *buf;
1531 unsigned int buf_cnt, thread_exit, do_prefetch;
1532 unsigned int total_lba, prefetch_lba;
1533} rcdrom;
1534
1535static void lbacache_do(unsigned int lba)
1536{
1537 unsigned char m, s, f, buf[2352];
1538 unsigned int i = lba % rcdrom.buf_cnt;
1539 int ret;
1540
1541 cdrom_lba_to_msf(lba + 150, &m, &s, &f);
1542 slock_lock(rcdrom.read_lock);
1543 ret = cdrom_read_sector(rcdrom.h, lba, buf);
1544 slock_lock(rcdrom.buf_lock);
1545 slock_unlock(rcdrom.read_lock);
1546 //printf("%d:%02d:%02d m%d f%d\n", m, s, f, buf[12+3], ((buf[12+4+2] >> 5) & 1) + 1);
1547 if (ret) {
1548 rcdrom.do_prefetch = 0;
1549 slock_unlock(rcdrom.buf_lock);
1550 LogErr("cdrom_read_sector failed for lba %d\n", ret, lba);
1551 return;
1552 }
1553
1554 if (lba != rcdrom.buf[i].lba) {
1555 memcpy(rcdrom.buf[i].buf, buf, sizeof(rcdrom.buf[i].buf));
1556 rcdrom.buf[i].lba = lba;
1557 }
1558 slock_unlock(rcdrom.buf_lock);
1559 retro_sleep(0); // why does the main thread stall without this?
1560}
1561
1562static int lbacache_get(unsigned int lba, void *buf)
1563{
1564 unsigned int i;
1565 int ret = 0;
1566
1567 i = lba % rcdrom.buf_cnt;
1568 slock_lock(rcdrom.buf_lock);
1569 if (lba == rcdrom.buf[i].lba) {
1570 memcpy(buf, rcdrom.buf[i].buf, 2352);
1571 ret = 1;
1572 }
1573 slock_unlock(rcdrom.buf_lock);
1574 return ret;
1575}
1576
1577static void rcdrom_prefetch_thread(void *unused)
1578{
1579 unsigned int buf_cnt, lba, lba_to;
1580
1581 slock_lock(rcdrom.buf_lock);
1582 while (!rcdrom.thread_exit)
1583 {
1584#ifdef __GNUC__
1585 __asm__ __volatile__("":::"memory"); // barrier
1586#endif
1587 if (!rcdrom.do_prefetch)
1588 scond_wait(rcdrom.cond, rcdrom.buf_lock);
1589 if (!rcdrom.do_prefetch || !rcdrom.h || rcdrom.thread_exit)
1590 continue;
1591
1592 buf_cnt = rcdrom.buf_cnt;
1593 lba = rcdrom.prefetch_lba;
1594 lba_to = lba + buf_cnt;
1595 if (lba_to > rcdrom.total_lba)
1596 lba_to = rcdrom.total_lba;
1597 for (; lba < lba_to; lba++) {
1598 if (lba != rcdrom.buf[lba % buf_cnt].lba)
1599 break;
1600 }
1601 if (lba == lba_to) {
1602 // caching complete
1603 rcdrom.do_prefetch = 0;
1604 continue;
1605 }
1606
1607 slock_unlock(rcdrom.buf_lock);
1608 lbacache_do(lba);
1609 slock_lock(rcdrom.buf_lock);
1610 }
1611 slock_unlock(rcdrom.buf_lock);
1612}
1613
1614static void rcdrom_stop_thread(void)
1615{
1616 rcdrom.thread_exit = 1;
1617 if (rcdrom.buf_lock) {
1618 slock_lock(rcdrom.buf_lock);
1619 rcdrom.do_prefetch = 0;
1620 if (rcdrom.cond)
1621 scond_signal(rcdrom.cond);
1622 slock_unlock(rcdrom.buf_lock);
1623 }
1624 if (rcdrom.thread) {
1625 sthread_join(rcdrom.thread);
1626 rcdrom.thread = NULL;
1627 }
1628 if (rcdrom.cond) { scond_free(rcdrom.cond); rcdrom.cond = NULL; }
1629 if (rcdrom.buf_lock) { slock_free(rcdrom.buf_lock); rcdrom.buf_lock = NULL; }
1630 if (rcdrom.read_lock) { slock_free(rcdrom.read_lock); rcdrom.read_lock = NULL; }
1631 free(rcdrom.buf);
1632 rcdrom.buf = NULL;
1633}
1634
1635// the thread is optional, if anything fails we can do direct reads
1636static void rcdrom_start_thread(void)
1637{
1638 rcdrom_stop_thread();
1639 rcdrom.thread_exit = rcdrom.prefetch_lba = rcdrom.do_prefetch = 0;
1640 if (rcdrom.buf_cnt == 0)
1641 return;
1642 rcdrom.buf = calloc(rcdrom.buf_cnt, sizeof(rcdrom.buf[0]));
1643 rcdrom.buf_lock = slock_new();
1644 rcdrom.read_lock = slock_new();
1645 rcdrom.cond = scond_new();
1646 if (rcdrom.buf && rcdrom.buf_lock && rcdrom.read_lock && rcdrom.cond) {
1647 rcdrom.thread = sthread_create(rcdrom_prefetch_thread, NULL);
1648 rcdrom.buf[0].lba = ~0;
1649 }
1650 if (!rcdrom.thread) {
1651 LogErr("cdrom precache thread init failed.\n");
1652 rcdrom_stop_thread();
1653 }
1654}
835c219c 1655
1656static long CALLBACK rcdrom_open(void)
1657{
e0216409 1658 const char *name = GetIsoFile();
1659 //printf("%s %s\n", __func__, name);
1660 rcdrom.h = retro_vfs_file_open_impl(name, RETRO_VFS_FILE_ACCESS_READ,
835c219c 1661 RETRO_VFS_FILE_ACCESS_HINT_NONE);
e0216409 1662 if (rcdrom.h) {
1663 int ret = cdrom_set_read_speed_x(rcdrom.h, 4);
1664 if (ret) LogErr("CD speed set failed\n");
1665 const cdrom_toc_t *toc = retro_vfs_file_get_cdrom_toc();
1666 const cdrom_track_t *last = &toc->track[toc->num_tracks - 1];
1667 unsigned int lba = cdrom_msf_to_lba(last->min, last->sec, last->frame) - 150;
1668 rcdrom.total_lba = lba + last->track_size;
1669 //cdrom_get_current_config_random_readable(rcdrom.h);
1670 //cdrom_get_current_config_multiread(rcdrom.h);
1671 //cdrom_get_current_config_cdread(rcdrom.h);
1672 //cdrom_get_current_config_profiles(rcdrom.h);
1673 rcdrom_start_thread();
1674 return 0;
1675 }
1676 LogErr("retro_vfs_file_open failed for '%s'\n", name);
1677 return -1;
835c219c 1678}
1679
1680static long CALLBACK rcdrom_close(void)
1681{
1682 //printf("%s\n", __func__);
e0216409 1683 if (rcdrom.h) {
1684 rcdrom_stop_thread();
1685 retro_vfs_file_close_impl(rcdrom.h);
1686 rcdrom.h = NULL;
835c219c 1687 }
1688 return 0;
1689}
1690
1691static long CALLBACK rcdrom_getTN(unsigned char *tn)
1692{
1693 const cdrom_toc_t *toc = retro_vfs_file_get_cdrom_toc();
1694 tn[0] = 1;
1695 tn[1] = toc->num_tracks;
1696 //printf("%s -> %d %d\n", __func__, tn[0], tn[1]);
1697 return 0;
1698}
1699
1700static long CALLBACK rcdrom_getTD(unsigned char track, unsigned char *rt)
1701{
1702 const cdrom_toc_t *toc = retro_vfs_file_get_cdrom_toc();
1703 rt[0] = 0, rt[1] = 2, rt[2] = 0;
1704 if (track == 0) {
e0216409 1705 cdrom_lba_to_msf(rcdrom.total_lba + 150, &rt[2], &rt[1], &rt[0]);
835c219c 1706 }
1707 else if (track <= toc->num_tracks) {
1708 int i = track - 1;
1709 rt[2] = toc->track[i].min;
1710 rt[1] = toc->track[i].sec;
1711 rt[0] = toc->track[i].frame;
1712 }
1713 //printf("%s %d -> %d:%02d:%02d\n", __func__, track, rt[2], rt[1], rt[0]);
1714 return 0;
1715}
1716
e0216409 1717static long CALLBACK rcdrom_prefetch(unsigned char m, unsigned char s, unsigned char f)
1718{
1719 unsigned int lba = cdrom_msf_to_lba(m, s, f) - 150;
1720 if (rcdrom.cond && rcdrom.h) {
1721 rcdrom.prefetch_lba = lba;
1722 rcdrom.do_prefetch = 1;
1723 scond_signal(rcdrom.cond);
1724 }
1725 if (rcdrom.buf) {
1726 unsigned int c = rcdrom.buf_cnt;
1727 if (c)
1728 return rcdrom.buf[lba % c].lba == lba;
1729 }
1730 return 1;
1731}
1732
1733static int rcdrom_read_msf(unsigned char m, unsigned char s, unsigned char f,
1734 void *buf, const char *func)
1735{
1736 unsigned int lba = cdrom_msf_to_lba(m, s, f) - 150;
1737 int hit = 0, ret = -1;
1738 if (rcdrom.buf_lock)
1739 hit = lbacache_get(lba, buf);
1740 if (!hit && rcdrom.read_lock) {
1741 // maybe still prefetching
1742 slock_lock(rcdrom.read_lock);
1743 slock_unlock(rcdrom.read_lock);
1744 hit = lbacache_get(lba, buf);
1745 if (hit)
1746 hit = 2;
1747 }
1748 if (!hit) {
1749 slock_t *lock = rcdrom.read_lock;
1750 rcdrom.do_prefetch = 0;
1751 if (lock)
1752 slock_lock(lock);
1753 if (rcdrom.h)
1754 ret = cdrom_read_sector(rcdrom.h, lba, buf);
1755 if (lock)
1756 slock_unlock(lock);
1757 }
1758 else
1759 ret = 0;
1760 //printf("%s %d:%02d:%02d -> %d hit %d\n", func, m, s, f, ret, hit);
1761 return ret;
1762}
1763
835c219c 1764static boolean CALLBACK rcdrom_readTrack(unsigned char *time)
1765{
e0216409 1766 unsigned char m = btoi(time[0]), s = btoi(time[1]), f = btoi(time[2]);
1767 return !rcdrom_read_msf(m, s, f, ISOgetBuffer() - 12, __func__);
1768}
1769
1770static long CALLBACK rcdrom_readCDDA(unsigned char m, unsigned char s, unsigned char f,
1771 unsigned char *buffer)
1772{
1773 return rcdrom_read_msf(m, s, f, buffer, __func__);
835c219c 1774}
1775
1776static unsigned char * CALLBACK rcdrom_getBuffer(void)
1777{
1778 //printf("%s\n", __func__);
1779 return ISOgetBuffer();
1780}
1781
1782static unsigned char * CALLBACK rcdrom_getBufferSub(int sector)
1783{
1784 //printf("%s %d %d\n", __func__, sector, rcdrom_h->cdrom.last_frame_lba);
1785 return NULL;
1786}
1787
1788static long CALLBACK rcdrom_getStatus(struct CdrStat *stat)
1789{
1790 const cdrom_toc_t *toc = retro_vfs_file_get_cdrom_toc();
1791 //printf("%s %p\n", __func__, stat);
1792 CDR__getStatus(stat);
1793 stat->Type = toc->track[0].audio ? 2 : 1;
1794 return 0;
1795}
835c219c 1796#endif // HAVE_CDROM
1797
003cfc63 1798#if defined(__QNX__) || defined(_WIN32)
41294f4d 1799/* Blackberry QNX doesn't have strcasestr */
1800
1801/*
1802 * Find the first occurrence of find in s, ignore case.
1803 */
1804char *
7a8d521f 1805strcasestr(const char *s, const char *find)
1806{
1807 char c, sc;
1808 size_t len;
1809
1810 if ((c = *find++) != 0)
1811 {
1812 c = tolower((unsigned char)c);
1813 len = strlen(find);
1814 do
1815 {
1816 do
1817 {
1818 if ((sc = *s++) == 0)
1819 return (NULL);
1820 } while ((char)tolower((unsigned char)sc) != c);
1821 } while (strncasecmp(s, find, len) != 0);
1822 s--;
1823 }
1824 return ((char *)s);
41294f4d 1825}
1826#endif
1827
7a8d521f 1828static void set_retro_memmap(void)
1829{
1830#ifndef NDEBUG
1831 struct retro_memory_map retromap = { 0 };
1832 struct retro_memory_descriptor mmap = {
1833 0, psxM, 0, 0, 0, 0, 0x200000
1834 };
1835
1836 retromap.descriptors = &mmap;
1837 retromap.num_descriptors = 1;
1838
1839 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1840#endif
1841}
1842
f3746eea 1843static void show_notification(const char *msg_str,
1844 unsigned duration_ms, unsigned priority)
1845{
1846 if (msg_interface_version >= 1)
1847 {
1848 struct retro_message_ext msg = {
1849 msg_str,
1850 duration_ms,
1851 3,
1852 RETRO_LOG_WARN,
1853 RETRO_MESSAGE_TARGET_ALL,
1854 RETRO_MESSAGE_TYPE_NOTIFICATION,
1855 -1
1856 };
1857 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
1858 }
1859 else
1860 {
1861 struct retro_message msg = {
1862 msg_str,
1863 180
1864 };
1865 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
1866 }
1867}
1868
7a8d521f 1869static void retro_audio_buff_status_cb(
1870 bool active, unsigned occupancy, bool underrun_likely)
1871{
1872 retro_audio_buff_active = active;
1873 retro_audio_buff_occupancy = occupancy;
1874 retro_audio_buff_underrun = underrun_likely;
1875}
1876
1877static void retro_set_audio_buff_status_cb(void)
1878{
1879 if (frameskip_type == FRAMESKIP_NONE)
1880 {
1881 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1882 retro_audio_latency = 0;
1883 }
1884 else
1885 {
1886 bool calculate_audio_latency = true;
1887
1888 if (frameskip_type == FRAMESKIP_FIXED_INTERVAL)
1889 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1890 else
1891 {
1892 struct retro_audio_buffer_status_callback buf_status_cb;
1893 buf_status_cb.callback = retro_audio_buff_status_cb;
1894 if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
1895 &buf_status_cb))
1896 {
1897 retro_audio_buff_active = false;
1898 retro_audio_buff_occupancy = 0;
1899 retro_audio_buff_underrun = false;
1900 retro_audio_latency = 0;
1901 calculate_audio_latency = false;
1902 }
1903 }
1904
1905 if (calculate_audio_latency)
1906 {
1907 /* Frameskip is enabled - increase frontend
1908 * audio latency to minimise potential
1909 * buffer underruns */
1910 uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
1911
1912 /* Set latency to 6x current frame time... */
1913 retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
1914
1915 /* ...then round up to nearest multiple of 32 */
1916 retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
1917 }
1918 }
1919
1920 update_audio_latency = true;
1921 frameskip_counter = 0;
1922}
1923
1924static void update_variables(bool in_flight);
38c2028e 1925bool retro_load_game(const struct retro_game_info *info)
1926{
7a8d521f 1927 size_t i;
1928 unsigned int cd_index = 0;
1929 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
8cddf575 1930 bool is_exe = (strcasestr(info->path, ".exe") != NULL);
1931 int ret;
9fba39a9 1932
e3f8313f 1933 struct retro_input_descriptor desc[] = {
7a8d521f 1934#define JOYP(port) \
1935 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1936 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1937 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1938 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1939 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1940 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1941 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1942 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1943 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1944 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1945 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1946 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1947 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1948 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1949 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1950 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1951 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1952 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1953 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1954 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" }, \
1955 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER, "Gun Trigger" }, \
1956 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD, "Gun Reload" }, \
1957 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A, "Gun Aux A" }, \
d6a231b7
S
1958 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B, "Gun Aux B" }, \
1959 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_START, "Gun Start" },
7a8d521f 1960
1961 JOYP(0)
1962 JOYP(1)
1963 JOYP(2)
1964 JOYP(3)
1965 JOYP(4)
1966 JOYP(5)
1967 JOYP(6)
1968 JOYP(7)
e3f8313f 1969
1970 { 0 },
1971 };
1972
7a8d521f 1973 frame_count = 0;
1974
e3f8313f 1975 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1976
46aa5b98 1977#ifdef FRONTEND_SUPPORTS_RGB565
7a8d521f 1978 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1979 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1980 {
1981 SysPrintf("RGB565 supported, using it\n");
1982 }
46aa5b98 1983#endif
c19aba43 1984
7a8d521f 1985 if (info == NULL || info->path == NULL)
1986 {
0709d254 1987 LogErr("info->path required\n");
7a8d521f 1988 return false;
1989 }
23ea11bd 1990
7a8d521f 1991 update_variables(false);
38c2028e 1992
7a8d521f 1993 if (plugins_opened)
1994 {
1995 ClosePlugins();
1996 plugins_opened = 0;
1997 }
23ea11bd 1998
7a8d521f 1999 disk_init();
9fba39a9 2000
7a8d521f 2001 extract_directory(base_dir, info->path, sizeof(base_dir));
23ea11bd 2002
7a8d521f 2003 if (is_m3u)
2004 {
2005 if (!read_m3u(info->path))
2006 {
0709d254 2007 LogErr("failed to read m3u file\n");
7a8d521f 2008 return false;
2009 }
2010 }
2011 else
2012 {
2013 char disk_label[PATH_MAX];
2014 disk_label[0] = '\0';
38c2028e 2015
7a8d521f 2016 disk_count = 1;
2017 disks[0].fname = strdup(info->path);
38c2028e 2018
7a8d521f 2019 get_disk_label(disk_label, info->path, PATH_MAX);
2020 disks[0].flabel = strdup(disk_label);
2021 }
38c2028e 2022
7a8d521f 2023 /* If this is an M3U file, attempt to set the
2024 * initial disk image */
2025 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
2026 {
2027 const char *fname = disks[disk_initial_index].fname;
38c2028e 2028
7a8d521f 2029 if (fname && (*fname != '\0'))
2030 if (strcmp(disk_initial_path, fname) == 0)
2031 cd_index = disk_initial_index;
2032 }
38c2028e 2033
7a8d521f 2034 set_cd_image(disks[cd_index].fname);
2035 disk_current_index = cd_index;
38c2028e 2036
7a8d521f 2037 /* have to reload after set_cd_image for correct cdr plugin */
2038 if (LoadPlugins() == -1)
2039 {
0709d254 2040 LogErr("failed to load plugins\n");
7a8d521f 2041 return false;
2042 }
835c219c 2043 if (!strncmp(info->path, "cdrom:", 6))
2044 {
2045#ifdef HAVE_CDROM
2046 CDR_open = rcdrom_open;
2047 CDR_close = rcdrom_close;
2048 CDR_getTN = rcdrom_getTN;
2049 CDR_getTD = rcdrom_getTD;
2050 CDR_readTrack = rcdrom_readTrack;
2051 CDR_getBuffer = rcdrom_getBuffer;
2052 CDR_getBufferSub = rcdrom_getBufferSub;
2053 CDR_getStatus = rcdrom_getStatus;
2054 CDR_readCDDA = rcdrom_readCDDA;
e0216409 2055 CDR_prefetch = rcdrom_prefetch;
2056#elif !defined(USE_LIBRETRO_VFS)
835c219c 2057 ReleasePlugins();
2058 LogErr("%s\n", "Physical CD-ROM support is not compiled in.");
2059 show_notification("Physical CD-ROM support is not compiled in.", 6000, 3);
2060 return false;
2061#endif
2062 }
38c2028e 2063
7a8d521f 2064 plugins_opened = 1;
2065 NetOpened = 0;
38c2028e 2066
7a8d521f 2067 if (OpenPlugins() == -1)
2068 {
0709d254 2069 LogErr("failed to open plugins\n");
7a8d521f 2070 return false;
2071 }
23ea11bd 2072
7a8d521f 2073 /* Handle multi-disk images (i.e. PBP)
2074 * > Cannot do this until after OpenPlugins() is
2075 * called (since this sets the value of
2076 * cdrIsoMultidiskCount) */
2077 if (!is_m3u && (cdrIsoMultidiskCount > 1))
2078 {
2079 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
38c2028e 2080
7a8d521f 2081 /* Small annoyance: We need to change the label
2082 * of disk 0, so have to clear existing entries */
2083 if (disks[0].fname != NULL)
2084 free(disks[0].fname);
2085 disks[0].fname = NULL;
38c2028e 2086
7a8d521f 2087 if (disks[0].flabel != NULL)
2088 free(disks[0].flabel);
2089 disks[0].flabel = NULL;
2090
2091 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
2092 {
2093 char disk_name[PATH_MAX - 16] = { 0 };
2094 char disk_label[PATH_MAX] = { 0 };
2095
2096 disks[i].fname = strdup(info->path);
2097
2098 get_disk_label(disk_name, info->path, sizeof(disk_name));
2099 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
2100 disks[i].flabel = strdup(disk_label);
2101
2102 disks[i].internal_index = i;
2103 }
2104
2105 /* This is not an M3U file, so initial disk
2106 * image has not yet been set - attempt to
2107 * do so now */
2108 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
2109 {
2110 const char *fname = disks[disk_initial_index].fname;
2111
2112 if (fname && (*fname != '\0'))
2113 if (strcmp(disk_initial_path, fname) == 0)
2114 cd_index = disk_initial_index;
2115 }
2116
2117 if (cd_index > 0)
2118 {
2119 CdromId[0] = '\0';
2120 CdromLabel[0] = '\0';
2121
2122 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
2123 disk_current_index = cd_index;
2124 set_cd_image(disks[cd_index].fname);
2125
2126 if (ReloadCdromPlugin() < 0)
2127 {
0709d254 2128 LogErr("failed to reload cdr plugins\n");
7a8d521f 2129 return false;
2130 }
2131 if (CDR_open() < 0)
2132 {
0709d254 2133 LogErr("failed to open cdr plugin\n");
7a8d521f 2134 return false;
2135 }
2136 }
2137 }
2138
2139 /* set ports to use "standard controller" initially */
2140 for (i = 0; i < 8; ++i)
2141 in_type[i] = PSE_PAD_TYPE_STANDARD;
2142
2143 plugin_call_rearmed_cbs();
2144 /* dfinput_activate(); */
2145
8cddf575 2146 if (!is_exe && CheckCdrom() == -1)
7a8d521f 2147 {
0709d254 2148 LogErr("unsupported/invalid CD image: %s\n", info->path);
7a8d521f 2149 return false;
2150 }
2151
2152 SysReset();
2153
8cddf575 2154 if (is_exe)
2155 ret = Load(info->path);
2156 else
2157 ret = LoadCdrom();
2158 if (ret != 0)
7a8d521f 2159 {
0709d254 2160 LogErr("could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
7a8d521f 2161 return false;
2162 }
2163 emu_on_new_cd(0);
2164
2165 set_retro_memmap();
2166 retro_set_audio_buff_status_cb();
2167
f3746eea 2168 if (check_unsatisfied_libcrypt())
2169 show_notification("LibCrypt protected game with missing SBI detected", 3000, 3);
2170
7a8d521f 2171 return true;
38c2028e 2172}
2173
2174unsigned retro_get_region(void)
2175{
7a8d521f 2176 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 2177}
2178
2179void *retro_get_memory_data(unsigned id)
2180{
7a8d521f 2181 if (id == RETRO_MEMORY_SAVE_RAM)
2182 return Mcd1Data;
2183 else if (id == RETRO_MEMORY_SYSTEM_RAM)
2184 return psxM;
2185 else
2186 return NULL;
38c2028e 2187}
2188
2189size_t retro_get_memory_size(unsigned id)
2190{
7a8d521f 2191 if (id == RETRO_MEMORY_SAVE_RAM)
2192 return MCD_SIZE;
2193 else if (id == RETRO_MEMORY_SYSTEM_RAM)
2194 return 0x200000;
2195 else
2196 return 0;
38c2028e 2197}
2198
2199void retro_reset(void)
2200{
7a8d521f 2201 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
2202 rebootemu = 1;
2203 //SysReset();
38c2028e 2204}
2205
2206static const unsigned short retro_psx_map[] = {
7a8d521f 2207 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
2208 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
2209 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
2210 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
2211 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
2212 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
2213 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
2214 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
2215 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
2216 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
2217 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
2218 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
2219 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
2220 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
2221 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
2222 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
38c2028e 2223};
2224#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
2225
d6a231b7 2226//Percentage distance of screen to adjust for Guncon
7a8d521f 2227static int GunconAdjustX = 0;
2228static int GunconAdjustY = 0;
2229
d6a231b7 2230//Used when out by a percentage with Guncon
7a8d521f 2231static float GunconAdjustRatioX = 1;
2232static float GunconAdjustRatioY = 1;
2233
805fe9bc 2234static void update_variables(bool in_flight)
e268a47e 2235{
e268a47e 2236 struct retro_variable var;
7a8d521f 2237#ifdef GPU_PEOPS
2238 // Always enable GPU_PEOPS_OLD_FRAME_SKIP flag
2239 // (this is set in standalone, with no option
2240 // to change it)
2241 int gpu_peops_fix = GPU_PEOPS_OLD_FRAME_SKIP;
2242#endif
2243 frameskip_type_t prev_frameskip_type;
2244
2245 var.value = NULL;
2246 var.key = "pcsx_rearmed_frameskip_type";
2247
2248 prev_frameskip_type = frameskip_type;
2249 frameskip_type = FRAMESKIP_NONE;
2250 pl_rearmed_cbs.frameskip = 0;
2251
2252 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2253 {
2254 if (strcmp(var.value, "auto") == 0)
2255 frameskip_type = FRAMESKIP_AUTO;
2256 if (strcmp(var.value, "auto_threshold") == 0)
2257 frameskip_type = FRAMESKIP_AUTO_THRESHOLD;
2258 if (strcmp(var.value, "fixed_interval") == 0)
2259 frameskip_type = FRAMESKIP_FIXED_INTERVAL;
2260 }
2261
2262 if (frameskip_type != 0)
2263 pl_rearmed_cbs.frameskip = -1;
7d68d030 2264
e268a47e 2265 var.value = NULL;
7a8d521f 2266 var.key = "pcsx_rearmed_frameskip_threshold";
2267 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2268 {
2269 frameskip_threshold = strtol(var.value, NULL, 10);
2270 }
e268a47e 2271
7a8d521f 2272 var.value = NULL;
2273 var.key = "pcsx_rearmed_frameskip_interval";
2274 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2275 {
2276 frameskip_interval = strtol(var.value, NULL, 10);
2277 }
9f5a28d9 2278
2279 var.value = NULL;
4e477065 2280 var.key = "pcsx_rearmed_region";
7a8d521f 2281 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 2282 {
2283 Config.PsxAuto = 0;
7a8d521f 2284 if (strcmp(var.value, "auto") == 0)
9f5a28d9 2285 Config.PsxAuto = 1;
2286 else if (strcmp(var.value, "NTSC") == 0)
2287 Config.PsxType = 0;
2288 else if (strcmp(var.value, "PAL") == 0)
2289 Config.PsxType = 1;
2290 }
4615b075 2291
7a8d521f 2292 update_multitap();
2293
4615b075 2294 var.value = NULL;
7a8d521f 2295 var.key = "pcsx_rearmed_negcon_deadzone";
2296 negcon_deadzone = 0;
2297 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2298 {
2299 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
2300 }
4615b075 2301
7a8d521f 2302 var.value = NULL;
2303 var.key = "pcsx_rearmed_negcon_response";
2304 negcon_linearity = 1;
2305 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4615b075 2306 {
7a8d521f 2307 if (strcmp(var.value, "quadratic") == 0)
2308 {
2309 negcon_linearity = 2;
2310 }
2311 else if (strcmp(var.value, "cubic") == 0)
2312 {
2313 negcon_linearity = 3;
2314 }
2315 }
2316
2317 var.value = NULL;
2318 var.key = "pcsx_rearmed_analog_axis_modifier";
2319 axis_bounds_modifier = true;
2320 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2321 {
2322 if (strcmp(var.value, "square") == 0)
2323 {
2324 axis_bounds_modifier = true;
2325 }
2326 else if (strcmp(var.value, "circle") == 0)
2327 {
2328 axis_bounds_modifier = false;
2329 }
2330 }
2331
2332 var.value = NULL;
2333 var.key = "pcsx_rearmed_vibration";
2334
2335 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2336 {
2337 if (strcmp(var.value, "disabled") == 0)
2338 in_enable_vibration = 0;
2339 else if (strcmp(var.value, "enabled") == 0)
2340 in_enable_vibration = 1;
4615b075 2341 }
2342
e5241564 2343 var.value = NULL;
a3d87cd7 2344 var.key = "pcsx_rearmed_analog_combo";
e5241564 2345
2346 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2347 {
a3d87cd7 2348 if (strcmp(var.value, "l1+r1+select") == 0)
2349 in_dualshock_analog_combo = (1 << RETRO_DEVICE_ID_JOYPAD_L) |
2350 (1 << RETRO_DEVICE_ID_JOYPAD_R) | (1 << RETRO_DEVICE_ID_JOYPAD_SELECT);
2351 else if (strcmp(var.value, "l1+r1+start") == 0)
2352 in_dualshock_analog_combo = (1 << RETRO_DEVICE_ID_JOYPAD_L) |
2353 (1 << RETRO_DEVICE_ID_JOYPAD_R) | (1 << RETRO_DEVICE_ID_JOYPAD_START);
2354 else if (strcmp(var.value, "l1+r1+l3") == 0)
2355 in_dualshock_analog_combo = (1 << RETRO_DEVICE_ID_JOYPAD_L) |
2356 (1 << RETRO_DEVICE_ID_JOYPAD_R) | (1 << RETRO_DEVICE_ID_JOYPAD_L3);
2357 else if (strcmp(var.value, "l1+r1+r3") == 0)
2358 in_dualshock_analog_combo = (1 << RETRO_DEVICE_ID_JOYPAD_L) |
2359 (1 << RETRO_DEVICE_ID_JOYPAD_R) | (1 << RETRO_DEVICE_ID_JOYPAD_R3);
2360 else if (strcmp(var.value, "l3+r3") == 0)
2361 in_dualshock_analog_combo = (1 << RETRO_DEVICE_ID_JOYPAD_L3) |
2362 (1 << RETRO_DEVICE_ID_JOYPAD_R3);
2363 else
2364 in_dualshock_analog_combo = 0;
e5241564 2365 }
2366
4e477065 2367 var.value = NULL;
7a8d521f 2368 var.key = "pcsx_rearmed_dithering";
4e477065 2369
7a8d521f 2370 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4e477065 2371 {
7a8d521f 2372 if (strcmp(var.value, "disabled") == 0)
2373 {
2374 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
2375 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
2376 pl_rearmed_cbs.gpu_unai.dithering = 0;
2377#ifdef GPU_NEON
2378 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
2379#endif
2380 }
2381 else if (strcmp(var.value, "enabled") == 0)
2382 {
2383 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
2384 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
2385 pl_rearmed_cbs.gpu_unai.dithering = 1;
2386#ifdef GPU_NEON
2387 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
2388#endif
2389 }
4e477065 2390 }
2391
7a8d521f 2392#ifdef GPU_NEON
2393 var.value = NULL;
fdcde643 2394 var.key = "pcsx_rearmed_neon_interlace_enable_v2";
9f5a28d9 2395
7a8d521f 2396 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 2397 {
2398 if (strcmp(var.value, "disabled") == 0)
2399 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
2400 else if (strcmp(var.value, "enabled") == 0)
2401 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
fdcde643 2402 else // auto
2403 pl_rearmed_cbs.gpu_neon.allow_interlace = 2;
9f5a28d9 2404 }
2405
7d68d030 2406 var.value = NULL;
55e5626b 2407 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 2408
7a8d521f 2409 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
7d68d030 2410 {
2411 if (strcmp(var.value, "disabled") == 0)
2412 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
2413 else if (strcmp(var.value, "enabled") == 0)
2414 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
2415 }
354329fa 2416
2417 var.value = NULL;
55e5626b 2418 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 2419
7a8d521f 2420 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
354329fa 2421 {
6ab6ab97 2422 if (strcmp(var.value, "enabled") == 0)
354329fa 2423 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
6ab6ab97 2424 else
2425 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
2426 }
2427
2428 var.value = NULL;
2429 var.key = "pcsx_rearmed_neon_enhancement_tex_adj";
2430
2431 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2432 {
2433 if (strcmp(var.value, "enabled") == 0)
2434 pl_rearmed_cbs.gpu_neon.enhancement_tex_adj = 1;
2435 else
2436 pl_rearmed_cbs.gpu_neon.enhancement_tex_adj = 0;
354329fa 2437 }
094ec204 2438#endif
0e5a7b7d 2439
7a8d521f 2440 var.value = NULL;
2441 var.key = "pcsx_rearmed_display_internal_fps";
2442
2443 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2444 {
2445 if (strcmp(var.value, "disabled") == 0)
2446 display_internal_fps = false;
2447 else if (strcmp(var.value, "enabled") == 0)
2448 display_internal_fps = true;
2449 }
2450
e0216409 2451#ifdef HAVE_CDROM
2452 var.value = NULL;
2453 var.key = "pcsx_rearmed_phys_cd_readahead";
2454 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2455 {
2456 long newval = strtol(var.value, NULL, 10);
2457 bool changed = rcdrom.buf_cnt != newval;
2458 if (rcdrom.h && changed)
2459 rcdrom_stop_thread();
2460 rcdrom.buf_cnt = newval;
2461 if (rcdrom.h && changed) {
2462 rcdrom_start_thread();
2463 if (rcdrom.cond && rcdrom.prefetch_lba) {
2464 rcdrom.do_prefetch = 1;
2465 scond_signal(rcdrom.cond);
2466 }
2467 }
2468 }
2469#endif
2470
7a8d521f 2471 //
2472 // CPU emulation related config
48f615ba 2473#ifndef DRC_DISABLE
2474 var.value = NULL;
4e477065 2475 var.key = "pcsx_rearmed_drc";
48f615ba 2476
7a8d521f 2477 if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
2478 var.value = "enabled";
2479
48f615ba 2480 {
2481 R3000Acpu *prev_cpu = psxCpu;
2482
7a8d521f 2483#ifdef _3DS
2484 if (!__ctr_svchax)
2485 Config.Cpu = CPU_INTERPRETER;
2486 else
2487#endif
1da9b9ae 2488 if (strcmp(var.value, "disabled") == 0)
48f615ba 2489 Config.Cpu = CPU_INTERPRETER;
2490 else if (strcmp(var.value, "enabled") == 0)
2491 Config.Cpu = CPU_DYNAREC;
2492
2493 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
7a8d521f 2494 if (psxCpu != prev_cpu)
2495 {
980f7a58 2496 prev_cpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
48f615ba 2497 prev_cpu->Shutdown();
2498 psxCpu->Init();
980f7a58 2499 psxCpu->Reset();
2500 psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
48f615ba 2501 }
2502 }
7a8d521f 2503#endif /* !DRC_DISABLE */
2504
2505 var.value = NULL;
2506 var.key = "pcsx_rearmed_psxclock";
2507 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2508 {
2509 int psxclock = atoi(var.value);
2510 Config.cycle_multiplier = 10000 / psxclock;
2511 }
2512
2513#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
2514 var.value = NULL;
2515 var.key = "pcsx_rearmed_nosmccheck";
2516 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2517 {
2518 if (strcmp(var.value, "enabled") == 0)
2519 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2520 else
2521 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2522 }
2523
2524 var.value = NULL;
2525 var.key = "pcsx_rearmed_gteregsunneeded";
2526 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2527 {
2528 if (strcmp(var.value, "enabled") == 0)
2529 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2530 else
2531 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2532 }
2533
2534 var.value = NULL;
2535 var.key = "pcsx_rearmed_nogteflags";
2536 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2537 {
2538 if (strcmp(var.value, "enabled") == 0)
2539 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2540 else
2541 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2542 }
2543
2544 var.value = NULL;
2545 var.key = "pcsx_rearmed_nocompathacks";
2546 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2547 {
2548 if (strcmp(var.value, "enabled") == 0)
2549 new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
2550 else
2551 new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
2552 }
2553#endif /* !DRC_DISABLE && !LIGHTREC */
2554
2555 var.value = NULL;
2556 var.key = "pcsx_rearmed_nostalls";
2557 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2558 {
2559 if (strcmp(var.value, "enabled") == 0)
2560 Config.DisableStalls = 1;
2561 else
2562 Config.DisableStalls = 0;
2563 }
2564
2565 var.value = NULL;
2566 var.key = "pcsx_rearmed_icache_emulation";
2567 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2568 {
2569 if (strcmp(var.value, "disabled") == 0)
2570 Config.icache_emulation = 0;
2571 else if (strcmp(var.value, "enabled") == 0)
2572 Config.icache_emulation = 1;
2573 }
2574
bc7c5acb 2575 var.value = NULL;
2576 var.key = "pcsx_rearmed_exception_emulation";
2577 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2578 {
2579 if (strcmp(var.value, "enabled") == 0)
2580 Config.PreciseExceptions = 1;
2581 else
2582 Config.PreciseExceptions = 0;
2583 }
2584
32631e6a 2585 psxCpu->ApplyConfig();
805fe9bc 2586
7a8d521f 2587 // end of CPU emu config
2588 //
2589
2590 var.value = NULL;
01394a7f 2591 var.key = "pcsx_rearmed_spu_reverb";
2592
7a8d521f 2593 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2594 {
7a8d521f 2595 if (strcmp(var.value, "disabled") == 0)
01394a7f 2596 spu_config.iUseReverb = false;
7a8d521f 2597 else if (strcmp(var.value, "enabled") == 0)
01394a7f 2598 spu_config.iUseReverb = true;
2599 }
2600
7a8d521f 2601 var.value = NULL;
01394a7f 2602 var.key = "pcsx_rearmed_spu_interpolation";
2603
7a8d521f 2604 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2605 {
2606 if (strcmp(var.value, "simple") == 0)
2607 spu_config.iUseInterpolation = 1;
2608 else if (strcmp(var.value, "gaussian") == 0)
2609 spu_config.iUseInterpolation = 2;
2610 else if (strcmp(var.value, "cubic") == 0)
2611 spu_config.iUseInterpolation = 3;
2612 else if (strcmp(var.value, "off") == 0)
2613 spu_config.iUseInterpolation = 0;
2614 }
2615
efbe0f77 2616#if P_HAVE_PTHREAD
16809ab9 2617 var.value = NULL;
2618 var.key = "pcsx_rearmed_spu_thread";
2619 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2620 {
2621 if (strcmp(var.value, "enabled") == 0)
2622 spu_config.iUseThread = 1;
2623 else
2624 spu_config.iUseThread = 0;
2625 }
efbe0f77 2626#endif
16809ab9 2627
606bece1 2628#if 0 // currently disabled, see USE_READ_THREAD in libpcsxcore/cdriso.c
9165d434 2629 if (P_HAVE_PTHREAD) {
f28d12a7
PC
2630 var.value = NULL;
2631 var.key = "pcsx_rearmed_async_cd";
2632 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2633 {
2634 if (strcmp(var.value, "async") == 0)
2635 {
2636 Config.AsyncCD = 1;
2637 Config.CHD_Precache = 0;
2638 }
2639 else if (strcmp(var.value, "sync") == 0)
2640 {
2641 Config.AsyncCD = 0;
2642 Config.CHD_Precache = 0;
2643 }
2644 else if (strcmp(var.value, "precache") == 0)
2645 {
2646 Config.AsyncCD = 0;
2647 Config.CHD_Precache = 1;
2648 }
2649 }
7a8d521f 2650 }
606bece1 2651#endif
7a8d521f 2652
2653 var.value = NULL;
2654 var.key = "pcsx_rearmed_noxadecoding";
2655 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2656 {
2657 if (strcmp(var.value, "disabled") == 0)
2658 Config.Xa = 1;
2659 else
2660 Config.Xa = 0;
2661 }
2662
2663 var.value = NULL;
2664 var.key = "pcsx_rearmed_nocdaudio";
2665 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2666 {
2667 if (strcmp(var.value, "disabled") == 0)
2668 Config.Cdda = 1;
2669 else
2670 Config.Cdda = 0;
2671 }
2672
8c84ba5f 2673 var.value = NULL;
2674 var.key = "pcsx_rearmed_gpu_slow_llists";
2675 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2676 {
2677 if (strcmp(var.value, "disabled") == 0)
308c6e67 2678 Config.GpuListWalking = 0;
8c84ba5f 2679 else if (strcmp(var.value, "enabled") == 0)
308c6e67 2680 Config.GpuListWalking = 1;
8c84ba5f 2681 else // auto
308c6e67 2682 Config.GpuListWalking = -1;
2683 }
2684
2685 var.value = NULL;
2686 var.key = "pcsx_rearmed_screen_centering";
2687 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2688 {
2689 if (strcmp(var.value, "game") == 0)
2690 pl_rearmed_cbs.screen_centering_type = 1;
44e76f8a 2691 else if (strcmp(var.value, "borderless") == 0)
308c6e67 2692 pl_rearmed_cbs.screen_centering_type = 2;
44e76f8a 2693 else if (strcmp(var.value, "manual") == 0)
2694 pl_rearmed_cbs.screen_centering_type = 3;
308c6e67 2695 else // auto
2696 pl_rearmed_cbs.screen_centering_type = 0;
2697 }
2698
2699 var.value = NULL;
2700 var.key = "pcsx_rearmed_screen_centering_x";
2701 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2702 {
2703 pl_rearmed_cbs.screen_centering_x = atoi(var.value);
2704 }
2705
2706 var.value = NULL;
2707 var.key = "pcsx_rearmed_screen_centering_y";
2708 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2709 {
2710 pl_rearmed_cbs.screen_centering_y = atoi(var.value);
8c84ba5f 2711 }
2712
7a8d521f 2713#ifdef THREAD_RENDERING
2714 var.key = "pcsx_rearmed_gpu_thread_rendering";
2715 var.value = NULL;
2716
2717 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2718 {
2719 if (strcmp(var.value, "disabled") == 0)
2720 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
2721 else if (strcmp(var.value, "sync") == 0)
2722 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
2723 else if (strcmp(var.value, "async") == 0)
2724 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
2725 }
2726#endif
2727
2728#ifdef GPU_PEOPS
2729 var.value = NULL;
2730 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
2731
2732 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2733 {
2734 if (strcmp(var.value, "enabled") == 0)
2735 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
2736 }
2737
2738 var.value = NULL;
2739 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
2740
2741 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2742 {
2743 if (strcmp(var.value, "enabled") == 0)
2744 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
2745 }
2746
2747 var.value = NULL;
2748 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
2749
2750 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2751 {
2752 if (strcmp(var.value, "enabled") == 0)
2753 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
2754 }
2755
2756 var.value = NULL;
2757 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
2758
2759 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2760 {
2761 if (strcmp(var.value, "enabled") == 0)
2762 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
2763 }
2764
2765 var.value = NULL;
2766 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
2767
2768 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2769 {
2770 if (strcmp(var.value, "enabled") == 0)
2771 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
2772 }
2773
2774 var.value = NULL;
2775 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
2776
2777 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2778 {
2779 if (strcmp(var.value, "enabled") == 0)
2780 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
2781 }
2782
2783 var.value = NULL;
2784 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
2785
2786 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2787 {
2788 if (strcmp(var.value, "enabled") == 0)
2789 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
2790 }
2791
2792 var.value = NULL;
2793 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
2794
2795 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2796 {
2797 if (strcmp(var.value, "enabled") == 0)
2798 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
2799 }
2800
2801 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
2802 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
2803#endif
2804
2805#ifdef GPU_UNAI
2806 /* Note: This used to be an option, but it only works
2807 * (correctly) when running high resolution games
2808 * (480i, 512i) and has been obsoleted by
2809 * pcsx_rearmed_gpu_unai_scale_hires */
2810 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2811 /* Note: This used to be an option, but it has no
2812 * discernable effect and has been obsoleted by
2813 * pcsx_rearmed_gpu_unai_scale_hires */
2814 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2815
2816 var.key = "pcsx_rearmed_gpu_unai_lighting";
2817 var.value = NULL;
2818
2819 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2820 {
2821 if (strcmp(var.value, "disabled") == 0)
2822 pl_rearmed_cbs.gpu_unai.lighting = 0;
2823 else if (strcmp(var.value, "enabled") == 0)
2824 pl_rearmed_cbs.gpu_unai.lighting = 1;
2825 }
2826
2827 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2828 var.value = NULL;
2829
2830 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2831 {
2832 if (strcmp(var.value, "disabled") == 0)
2833 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2834 else if (strcmp(var.value, "enabled") == 0)
2835 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2836 }
2837
2838 var.key = "pcsx_rearmed_gpu_unai_blending";
2839 var.value = NULL;
2840
2841 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2842 {
2843 if (strcmp(var.value, "disabled") == 0)
2844 pl_rearmed_cbs.gpu_unai.blending = 0;
2845 else if (strcmp(var.value, "enabled") == 0)
2846 pl_rearmed_cbs.gpu_unai.blending = 1;
2847 }
2848
2849 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2850 var.value = NULL;
2851
2852 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2853 {
2854 if (strcmp(var.value, "disabled") == 0)
2855 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2856 else if (strcmp(var.value, "enabled") == 0)
2857 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2858 }
2859#endif // GPU_UNAI
2860
d6a231b7
S
2861 var.value = NULL;
2862 var.key = "pcsx_rearmed_crosshair1";
2863
2864 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2865 {
2866 if (strcmp(var.value, "disabled") == 0)
2867 in_enable_crosshair[0] = 0;
2868 else if (strcmp(var.value, "blue") == 0)
2869 in_enable_crosshair[0] = 0x1F;
2870 else if (strcmp(var.value, "green") == 0)
2871 in_enable_crosshair[0] = 0x7E0;
2872 else if (strcmp(var.value, "red") == 0)
2873 in_enable_crosshair[0] = 0xF800;
2874 else if (strcmp(var.value, "white") == 0)
2875 in_enable_crosshair[0] = 0xFFFF;
2876 }
2877
2878 var.value = NULL;
2879 var.key = "pcsx_rearmed_crosshair2";
2880
2881 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2882 {
2883 if (strcmp(var.value, "disabled") == 0)
2884 in_enable_crosshair[1] = 0;
2885 else if (strcmp(var.value, "blue") == 0)
2886 in_enable_crosshair[1] = 0x1F;
2887 else if (strcmp(var.value, "green") == 0)
2888 in_enable_crosshair[1] = 0x7E0;
2889 else if (strcmp(var.value, "red") == 0)
2890 in_enable_crosshair[1] = 0xF800;
2891 else if (strcmp(var.value, "white") == 0)
2892 in_enable_crosshair[1] = 0xFFFF;
2893 }
2894
7a8d521f 2895 //This adjustment process gives the user the ability to manually align the mouse up better
2896 //with where the shots are in the emulator.
2897
d6a231b7
S
2898 var.value = NULL;
2899 var.key = "pcsx_rearmed_konamigunadjustx";
2900
2901 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2902 {
2903 KonamiGunAdjustX = atof(var.value) / 100.0f;
2904 }
2905
2906 var.value = NULL;
2907 var.key = "pcsx_rearmed_konamigunadjusty";
2908
2909 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2910 {
2911 KonamiGunAdjustY = atof(var.value) / 100.0f;
2912 }
2913
7a8d521f 2914 var.value = NULL;
2915 var.key = "pcsx_rearmed_gunconadjustx";
2916
2917 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2918 {
2919 GunconAdjustX = atoi(var.value);
2920 }
2921
2922 var.value = NULL;
2923 var.key = "pcsx_rearmed_gunconadjusty";
2924
2925 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2926 {
2927 GunconAdjustY = atoi(var.value);
2928 }
2929
2930 var.value = NULL;
2931 var.key = "pcsx_rearmed_gunconadjustratiox";
2932
2933 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2934 {
2935 GunconAdjustRatioX = atof(var.value);
2936 }
2937
2938 var.value = NULL;
2939 var.key = "pcsx_rearmed_gunconadjustratioy";
2940
2941 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2942 {
2943 GunconAdjustRatioY = atof(var.value);
2944 }
2945
2946 var.value = NULL;
2947 var.key = "pcsx_rearmed_input_sensitivity";
2948 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2949 {
2950 mouse_sensitivity = atof(var.value);
2951 }
2952
606bece1 2953 if (found_bios)
2954 {
2955 var.value = NULL;
2956 var.key = "pcsx_rearmed_show_bios_bootlogo";
2957 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2958 {
2959 Config.SlowBoot = 0;
2960 if (strcmp(var.value, "enabled") == 0)
2961 Config.SlowBoot = 1;
2962 }
2963 }
2964
7a8d521f 2965 if (in_flight)
2966 {
32ab9e53
TJ
2967 // inform core things about possible config changes
2968 plugin_call_rearmed_cbs();
805fe9bc 2969
7a8d521f 2970 if (GPU_open != NULL && GPU_close != NULL)
2971 {
32ab9e53
TJ
2972 GPU_close();
2973 GPU_open(&gpuDisp, "PCSX", NULL);
2974 }
805fe9bc 2975
7a8d521f 2976 /* Reinitialise frameskipping, if required */
2977 if (((frameskip_type != prev_frameskip_type)))
2978 retro_set_audio_buff_status_cb();
2979
2980 /* dfinput_activate(); */
32ab9e53 2981 }
7a8d521f 2982
2983 update_option_visibility();
e268a47e 2984}
2985
7a8d521f 2986// Taken from beetle-psx-libretro
2987static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
38c2028e 2988{
7a8d521f 2989 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2990 // feature (or pre-date it) so we need to handle this in a graceful way.
2991
2992 // First, try and get an analog value using the new libretro API constant
2993 uint16_t button = input_state_cb(player_index,
2994 RETRO_DEVICE_ANALOG,
2995 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2996 id);
2997 button = MIN(button / 128, 255);
38c2028e 2998
7a8d521f 2999 if (button == 0)
3000 {
3001 // If we got exactly zero, we're either not pressing the button, or the front-end
3002 // is not reporting analog values. We need to do a second check using the classic
3003 // digital API method, to at least get some response - better than nothing.
e268a47e 3004
7a8d521f 3005 // NOTE: If we're really just not holding the button, we're still going to get zero.
e268a47e 3006
7a8d521f 3007 button = (ret & (1 << id)) ? 255 : 0;
3008 }
38c2028e 3009
7a8d521f 3010 return button;
3011}
4615b075 3012
7a8d521f 3013unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
3014{
3015 float modifier_axis_range = 0;
3016
3017 if (is_square)
3018 {
3019 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
3020 if (modifier_axis_range < 0)
3021 {
3022 modifier_axis_range = 0;
3023 }
3024 else if (modifier_axis_range > 255)
3025 {
3026 modifier_axis_range = 255;
3027 }
3028 }
3029 else
3030 {
3031 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
3032 }
38c2028e 3033
7a8d521f 3034 return modifier_axis_range;
38c2028e 3035}
3036
7a8d521f 3037static void update_input_guncon(int port, int ret)
74ebc05b 3038{
7a8d521f 3039 //ToDo:
7a8d521f 3040 //Separate pointer and lightgun control types
3041
3042 //Mouse range is -32767 -> 32767
3043 //1% is about 655
3044 //Use the left analog stick field to store the absolute coordinates
2db412ad 3045
3046 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
3047 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
3048
3049 //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
3050 //Offscreen value is chosen to be well out of range of any possible scaling done via core options
7a8d521f 3051 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))
3052 {
f6eb0b1c 3053 in_analog_left[port][0] = 65536;
3054 in_analog_left[port][1] = 65536;
7a8d521f 3055 }
3056 else
3057 {
f6eb0b1c 3058 in_analog_left[port][0] = ((gunx * GunconAdjustRatioX) + (GunconAdjustX * 655)) / 64 + 512;
3059 in_analog_left[port][1] = ((guny * GunconAdjustRatioY) + (GunconAdjustY * 655)) / 64 + 512;
7a8d521f 3060 }
3061
3062 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
74ebc05b 3063
7a8d521f 3064 // Trigger
3065 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))
3066 in_keystate[port] |= (1 << DKEY_CIRCLE);
74ebc05b 3067
7a8d521f 3068 // A
3069 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
3070 in_keystate[port] |= (1 << DKEY_START);
74ebc05b 3071
7a8d521f 3072 // B
3073 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B))
3074 in_keystate[port] |= (1 << DKEY_CROSS);
3075
3076}
74ebc05b 3077
d6a231b7
S
3078static void update_input_justifier(int port, int ret)
3079{
3080 //ToDo:
3081 //Separate pointer and lightgun control types
3082
3083 //RetroArch lightgun range is -32767 -> 32767 on both axes (positive Y is down)
3084
3085 //JUSTIFIER has 3 controls, Trigger,Special,Start which equal Square,Cross,Start
3086
3087 // Trigger
3088 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))
3089 in_keystate[port] |= (1 << DKEY_SQUARE);
3090
3091 // Special
3092 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
3093 in_keystate[port] |= (1 << DKEY_CROSS);
3094
3095 // Start
3096 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_START))
3097 in_keystate[port] |= (1 << DKEY_START);
3098
3099}
3100
7a8d521f 3101static void update_input_negcon(int port, int ret)
3102{
3103 int lsx;
3104 int rsy;
3105 int negcon_i_rs;
3106 int negcon_ii_rs;
3107 float negcon_twist_amplitude;
3108
3109 // Query digital inputs
3110 //
3111 // > Pad-Up
3112 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
3113 in_keystate[port] |= (1 << DKEY_UP);
3114 // > Pad-Right
3115 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
3116 in_keystate[port] |= (1 << DKEY_RIGHT);
3117 // > Pad-Down
3118 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
3119 in_keystate[port] |= (1 << DKEY_DOWN);
3120 // > Pad-Left
3121 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
3122 in_keystate[port] |= (1 << DKEY_LEFT);
3123 // > Start
3124 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
3125 in_keystate[port] |= (1 << DKEY_START);
3126 // > neGcon A
3127 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
3128 in_keystate[port] |= (1 << DKEY_CIRCLE);
3129 // > neGcon B
3130 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
3131 in_keystate[port] |= (1 << DKEY_TRIANGLE);
3132 // > neGcon R shoulder (digital)
3133 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
3134 in_keystate[port] |= (1 << DKEY_R1);
3135 // Query analog inputs
3136 //
3137 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
3138 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
3139 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
3140 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
3141 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
3142 // So we just have to map in_analog_left/right to more
3143 // appropriate inputs...
3144 //
3145 // > NeGcon twist
3146 // >> Get raw analog stick value and account for deadzone
3147 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
3148 if (lsx > negcon_deadzone)
3149 lsx = lsx - negcon_deadzone;
3150 else if (lsx < -negcon_deadzone)
3151 lsx = lsx + negcon_deadzone;
3152 else
3153 lsx = 0;
3154 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
3155 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
3156 if (negcon_linearity == 2)
3157 {
3158 if (negcon_twist_amplitude < 0.0)
3159 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
3160 else
3161 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
3162 }
3163 else if (negcon_linearity == 3)
3164 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
3165 // >> Convert to final 'in_analog' integer value [0,255]
3166 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
3167 // > NeGcon I + II
3168 // >> Handle right analog stick vertical axis mapping...
3169 // - Up (-Y) == accelerate == neGcon I
3170 // - Down (+Y) == brake == neGcon II
3171 negcon_i_rs = 0;
3172 negcon_ii_rs = 0;
3173 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
3174 if (rsy >= 0)
3175 {
3176 // Account for deadzone
3177 // (Note: have never encountered a gamepad with significant differences
3178 // in deadzone between left/right analog sticks, so use the regular 'twist'
3179 // deadzone here)
3180 if (rsy > negcon_deadzone)
3181 rsy = rsy - negcon_deadzone;
3182 else
3183 rsy = 0;
3184 // Convert to 'in_analog' integer value [0,255]
3185 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
3186 }
3187 else
3188 {
3189 if (rsy < -negcon_deadzone)
3190 rsy = -1 * (rsy + negcon_deadzone);
3191 else
3192 rsy = 0;
3193 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
3194 }
3195 // >> NeGcon I
3196 in_analog_right[port][1] = MAX(
3197 MAX(
3198 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
3199 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
3200 negcon_i_rs);
3201 // >> NeGcon II
3202 in_analog_left[port][0] = MAX(
3203 MAX(
3204 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
3205 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
3206 negcon_ii_rs);
3207 // > NeGcon L
3208 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
3209}
3210
3211static void update_input_mouse(int port, int ret)
3212{
3213 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
3214 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
3215
3216 int x = (int)roundf(raw_x * mouse_sensitivity);
3217 int y = (int)roundf(raw_y * mouse_sensitivity);
3218
3219 if (x > 127) x = 127;
3220 else if (x < -128) x = -128;
3221
3222 if (y > 127) y = 127;
3223 else if (y < -128) y = -128;
3224
3225 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
3226 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
3227
3228 /* left mouse button state */
3229 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
3230 in_keystate[port] |= 1 << 11;
3231
3232 /* right mouse button state */
3233 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
3234 in_keystate[port] |= 1 << 10;
74ebc05b 3235}
3236
7a8d521f 3237static void update_input(void)
3238{
7a8d521f 3239 int i;
3240 int j;
3241
e5241564 3242 // reset all keystate, query libretro for keystate
7a8d521f 3243 for (i = 0; i < PORTS_NUMBER; i++)
3244 {
a3d87cd7 3245 int32_t ret = 0;
7a8d521f 3246 int type = in_type[i];
3247
3248 in_keystate[i] = 0;
3249
3250 if (type == PSE_PAD_TYPE_NONE)
3251 continue;
3252
3253 if (libretro_supports_bitmasks)
a3d87cd7 3254 {
7a8d521f 3255 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
a3d87cd7 3256 // undo int16 sign extension (why input_state_cb returns int16 in the first place?)
3257 ret &= (1 << (RETRO_DEVICE_ID_JOYPAD_R3 + 1)) - 1;
3258 }
7a8d521f 3259 else
3260 {
3261 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
3262 {
3263 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
3264 ret |= (1 << j);
3265 }
3266 }
3267
3268 switch (type)
3269 {
3270 case PSE_PAD_TYPE_GUNCON:
3271 update_input_guncon(i, ret);
3272 break;
d6a231b7
S
3273 case PSE_PAD_TYPE_GUN:
3274 update_input_justifier(i, ret);
3275 break;
7a8d521f 3276 case PSE_PAD_TYPE_NEGCON:
3277 update_input_negcon(i, ret);
3278 break;
3279 case PSE_PAD_TYPE_MOUSE:
3280 update_input_mouse(i, ret);
3281 break;
3282 default:
e5241564 3283 // dualshock ANALOG toggle?
a3d87cd7 3284 if (type == PSE_PAD_TYPE_ANALOGPAD && in_dualshock_analog_combo != 0
3285 && ret == in_dualshock_analog_combo)
e5241564 3286 {
3287 if (!in_dualshock_toggling)
3288 {
3289 int state = padToggleAnalog(i);
3290 char msg[32];
3291 snprintf(msg, sizeof(msg), "ANALOG %s", state ? "ON" : "OFF");
3292 show_notification(msg, 800, 1);
3293 in_dualshock_toggling = true;
3294 }
3295 return;
3296 }
3297 in_dualshock_toggling = false;
3298
3299 // Set digital inputs
7a8d521f 3300 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
3301 if (ret & (1 << j))
3302 in_keystate[i] |= retro_psx_map[j];
3303
3304 // Query analog inputs
3305 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
3306 {
3307 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);
3308 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);
3309 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);
3310 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);
3311 }
3312 }
3313 }
3314}
3315
3316static void print_internal_fps(void)
3317{
3318 if (display_internal_fps)
3319 {
3320 frame_count++;
3321
3322 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
3323 {
3324 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
3325 char str[64];
3326 const char *strc = (const char *)str;
3327
3328 str[0] = '\0';
3329
3330 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
3331
3332 pl_rearmed_cbs.flip_cnt = 0;
3333
3334 if (msg_interface_version >= 1)
3335 {
3336 struct retro_message_ext msg = {
3337 strc,
3338 3000,
3339 1,
3340 RETRO_LOG_INFO,
3341 RETRO_MESSAGE_TARGET_OSD,
3342 RETRO_MESSAGE_TYPE_STATUS,
3343 -1
3344 };
3345 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
3346 }
3347 else
3348 {
3349 struct retro_message msg = {
3350 strc,
3351 180
3352 };
3353 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
3354 }
3355 }
3356 }
3357 else
3358 frame_count = 0;
3359}
3360
3361void retro_run(void)
3362{
3363 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
3364 if (rebootemu != 0)
3365 {
3366 rebootemu = 0;
3367 SysReset();
d512faf7 3368 if (Config.HLE)
3369 LoadCdrom();
7a8d521f 3370 }
3371
5d9e675a 3372 set_vout_fb();
7a8d521f 3373 print_internal_fps();
3374
3375 /* Check whether current frame should
3376 * be skipped */
3377 pl_rearmed_cbs.fskip_force = 0;
3378 pl_rearmed_cbs.fskip_dirty = 0;
3379
3380 if (frameskip_type != FRAMESKIP_NONE)
3381 {
3382 bool skip_frame = false;
3383
3384 switch (frameskip_type)
3385 {
3386 case FRAMESKIP_AUTO:
3387 skip_frame = retro_audio_buff_active && retro_audio_buff_underrun;
3388 break;
3389 case FRAMESKIP_AUTO_THRESHOLD:
3390 skip_frame = retro_audio_buff_active && (retro_audio_buff_occupancy < frameskip_threshold);
3391 break;
3392 case FRAMESKIP_FIXED_INTERVAL:
3393 skip_frame = true;
3394 break;
3395 default:
3396 break;
3397 }
3398
3399 if (skip_frame && frameskip_counter < frameskip_interval)
3400 pl_rearmed_cbs.fskip_force = 1;
3401 }
3402
3403 /* If frameskip/timing settings have changed,
3404 * update frontend audio latency
3405 * > Can do this before or after the frameskip
3406 * check, but doing it after means we at least
3407 * retain the current frame's audio output */
3408 if (update_audio_latency)
3409 {
3410 environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
3411 &retro_audio_latency);
3412 update_audio_latency = false;
3413 }
3414
3415 input_poll_cb();
3416
3417 update_input();
3418
3419 bool updated = false;
3420 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
3421 update_variables(true);
3422
3423 stop = 0;
3424 psxCpu->Execute();
3425
3426 if (pl_rearmed_cbs.fskip_dirty == 1) {
3427 if (frameskip_counter < frameskip_interval)
3428 frameskip_counter++;
3429 else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
3430 frameskip_counter = 0;
3431 }
3432
61a1bbbb 3433 video_cb((vout_fb_dirty || !vout_can_dupe) ? vout_buf_ptr : NULL,
5d9e675a 3434 vout_width, vout_height, vout_pitch * 2);
7a8d521f 3435 vout_fb_dirty = 0;
7a8d521f 3436}
3437
4a1d78d4 3438static bool try_use_bios(const char *path, bool preferred_only)
7a8d521f 3439{
3440 long size;
3441 const char *name;
3442 FILE *fp = fopen(path, "rb");
3443 if (fp == NULL)
3444 return false;
3445
3446 fseek(fp, 0, SEEK_END);
3447 size = ftell(fp);
3448 fclose(fp);
3449
7a8d521f 3450 name = strrchr(path, SLASH);
3451 if (name++ == NULL)
3452 name = path;
4a1d78d4 3453
3454 if (preferred_only && size != 512 * 1024)
3455 return false;
3456 if (size != 512 * 1024 && size != 4 * 1024 * 1024)
3457 return false;
3458 if (strstr(name, "unirom"))
3459 return false;
3460 // jp bios have an addidional region check
3461 if (preferred_only && (strcasestr(name, "00.") || strcasestr(name, "j.bin")))
3462 return false;
3463
7a8d521f 3464 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
3465 return true;
3466}
3467
3468#ifndef VITA
74ebc05b 3469#include <sys/types.h>
3470#include <dirent.h>
3471
3472static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
3473{
4a1d78d4 3474 static const char *substr_pref[] = { "scph", "ps" };
3475 static const char *substr_alt[] = { "scph", "ps", "openbios" };
7a8d521f 3476 DIR *dir;
3477 struct dirent *ent;
3478 bool ret = false;
378428ac 3479 size_t i;
74ebc05b 3480
7a8d521f 3481 dir = opendir(dirpath);
3482 if (dir == NULL)
3483 return false;
74ebc05b 3484
4a1d78d4 3485 // try to find a "better" bios
3486 while ((ent = readdir(dir)))
7a8d521f 3487 {
4a1d78d4 3488 for (i = 0; i < sizeof(substr_pref) / sizeof(substr_pref[0]); i++)
378428ac 3489 {
4a1d78d4 3490 const char *substr = substr_pref[i];
3491 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
378428ac 3492 continue;
4a1d78d4 3493 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
3494 ret = try_use_bios(path, true);
3495 if (ret)
3496 goto finish;
3497 }
3498 }
378428ac 3499
4a1d78d4 3500 // another pass to look for anything fitting, even ps2 bios
3501 rewinddir(dir);
3502 while ((ent = readdir(dir)))
3503 {
3504 for (i = 0; i < sizeof(substr_alt) / sizeof(substr_alt[0]); i++)
3505 {
3506 const char *substr = substr_alt[i];
3507 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
3508 continue;
378428ac 3509 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
4a1d78d4 3510 ret = try_use_bios(path, false);
378428ac 3511 if (ret)
4a1d78d4 3512 goto finish;
378428ac 3513 }
7a8d521f 3514 }
4a1d78d4 3515
3516
3517finish:
7a8d521f 3518 closedir(dir);
3519 return ret;
74ebc05b 3520}
3521#else
3522#define find_any_bios(...) false
3523#endif
3524
11813b9d 3525static void check_system_specs(void)
3526{
3527 unsigned level = 6;
3528 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
3529}
3530
7a8d521f 3531static int init_memcards(void)
3532{
3533 int ret = 0;
3534 const char *dir;
3535 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
3536 static const char CARD2_FILE[] = "pcsx-card2.mcd";
3537
3538 // Memcard2 will be handled and is re-enabled if needed using core
3539 // operations.
3540 // Memcard1 is handled by libretro, doing this will set core to
3541 // skip file io operations for memcard1 like SaveMcd
3542 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
3543 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
3544 init_memcard(Mcd1Data);
3545 // Memcard 2 is managed by the emulator on the filesystem,
3546 // There is no need to initialize Mcd2Data like Mcd1Data.
3547
3548 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
3549 {
3550 SysPrintf("Memcard 2: %s\n", var.value);
3551 if (memcmp(var.value, "enabled", 7) == 0)
3552 {
3553 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
3554 {
3555 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
3556 {
0709d254 3557 LogErr("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
7a8d521f 3558 ret = -1;
3559 }
3560 else
3561 {
3562 McdDisable[1] = 0;
3563 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
3564 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
3565 }
3566 }
3567 else
3568 {
0709d254 3569 LogErr("Could not get save directory! Could not create memcard 2.");
7a8d521f 3570 ret = -1;
3571 }
3572 }
3573 }
3574 return ret;
3575}
3576
3577static void loadPSXBios(void)
3578{
3579 const char *dir;
3580 char path[PATH_MAX];
3581 unsigned useHLE = 0;
3582
3583 const char *bios[] = {
3584 "PSXONPSP660", "psxonpsp660",
3585 "SCPH101", "scph101",
3586 "SCPH5501", "scph5501",
3587 "SCPH7001", "scph7001",
3588 "SCPH1001", "scph1001"
3589 };
3590
3591 struct retro_variable var = {
3592 .key = "pcsx_rearmed_bios",
3593 .value = NULL
3594 };
3595
3596 found_bios = 0;
3597
3598 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
3599 {
3600 if (!strcmp(var.value, "HLE"))
3601 useHLE = 1;
3602 }
3603
3604 if (!useHLE)
3605 {
3606 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
3607 {
3608 unsigned i;
3609 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
3610
3611 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
3612 {
3613 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
4a1d78d4 3614 found_bios = try_use_bios(path, true);
7a8d521f 3615 if (found_bios)
3616 break;
3617 }
3618
3619 if (!found_bios)
3620 found_bios = find_any_bios(dir, path, sizeof(path));
3621 }
3622 if (found_bios)
3623 {
3624 SysPrintf("found BIOS file: %s\n", Config.Bios);
3625 }
3626 }
3627
3628 if (!found_bios)
3629 {
3630 const char *msg_str;
f3746eea 3631 unsigned duration;
7a8d521f 3632 if (useHLE)
3633 {
f3746eea 3634 msg_str = "BIOS set to \'hle\'";
7a8d521f 3635 SysPrintf("Using HLE BIOS.\n");
f3746eea 3636 // shorter as the user probably intentionally wants to use HLE
3637 duration = 700;
7a8d521f 3638 }
3639 else
3640 {
3641 msg_str = "No PlayStation BIOS file found - add for better compatibility";
3642 SysPrintf("No BIOS files found.\n");
f3746eea 3643 duration = 3000;
7a8d521f 3644 }
f3746eea 3645 show_notification(msg_str, duration, 2);
7a8d521f 3646 }
3647}
3648
38c2028e 3649void retro_init(void)
3650{
7a8d521f 3651 unsigned dci_version = 0;
3652 struct retro_rumble_interface rumble;
3653 int ret;
38c2028e 3654
7a8d521f 3655 msg_interface_version = 0;
3656 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
3657
3658#if defined(__MACH__) && !defined(TVOS)
3659 // magic sauce to make the dynarec work on iOS
3660 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
d148d265 3661#endif
3662
7a8d521f 3663#ifdef _3DS
3664 psxMapHook = pl_3ds_mmap;
3665 psxUnmapHook = pl_3ds_munmap;
3666#endif
3667#ifdef VITA
3668 if (init_vita_mmap() < 0)
3669 abort();
3670 psxMapHook = pl_vita_mmap;
3671 psxUnmapHook = pl_vita_munmap;
3672#endif
3673 ret = emu_core_preinit();
3674#ifdef _3DS
3675 /* emu_core_preinit sets the cpu to dynarec */
3676 if (!__ctr_svchax)
3677 Config.Cpu = CPU_INTERPRETER;
3678#endif
3679 ret |= init_memcards();
38c2028e 3680
7a8d521f 3681 ret |= emu_core_init();
3682 if (ret != 0)
3683 {
0709d254 3684 LogErr("PCSX init failed.\n");
7a8d521f 3685 exit(1);
3686 }
3687
3688#ifdef _3DS
3689 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
9165d434 3690#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
7a8d521f 3691 if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
3692 vout_buf = (void *) 0;
91da8e32 3693 else
3694 memset(vout_buf, 0, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437 3695#else
91da8e32 3696 vout_buf = calloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT, 2);
29122437 3697#endif
38c2028e 3698
7a8d521f 3699 vout_buf_ptr = vout_buf;
3700
3701 loadPSXBios();
3702
3703 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
0709d254 3704 if (!vout_can_dupe)
3705 LogWarn("CAN_DUPE reports false\n");
7a8d521f 3706
3707 disk_initial_index = 0;
3708 disk_initial_path[0] = '\0';
3709 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
3710 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
3711 else
3712 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
3713
3714 rumble_cb = NULL;
3715 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
3716 rumble_cb = rumble.set_rumble_state;
3717
3718 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
3719 * we have to do this because cache misses and some IO penalties
3720 * are not emulated. Warning: changing this may break compatibility. */
3721 Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
3722#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
3723 Config.cycle_multiplier = 200;
5ca2ec64 3724#endif
7a8d521f 3725 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
3726 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
5ca2ec64 3727
7a8d521f 3728 SaveFuncs.open = save_open;
3729 SaveFuncs.read = save_read;
3730 SaveFuncs.write = save_write;
3731 SaveFuncs.seek = save_seek;
3732 SaveFuncs.close = save_close;
6e921e1d 3733
7a8d521f 3734 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
3735 libretro_supports_bitmasks = true;
e268a47e 3736
7a8d521f 3737 check_system_specs();
38c2028e 3738}
3739
3740void retro_deinit(void)
3741{
7a8d521f 3742 if (plugins_opened)
3743 {
3744 ClosePlugins();
3745 plugins_opened = 0;
3746 }
3747 SysClose();
3748#ifdef _3DS
3749 linearFree(vout_buf);
3750#else
3751 free(vout_buf);
3752#endif
3753 vout_buf = NULL;
3754
3755#ifdef VITA
3756 deinit_vita_mmap();
3757#endif
3758 libretro_supports_bitmasks = false;
3759 libretro_supports_option_categories = false;
3760
3761 show_input_settings = true;
3762#ifdef GPU_PEOPS
3763 show_advanced_gpu_peops_settings = true;
3764#endif
3765#ifdef GPU_UNAI
3766 show_advanced_gpu_unai_settings = true;
3767#endif
3768
3769 /* Have to reset disks struct, otherwise
3770 * fnames/flabels will leak memory */
3771 disk_init();
3772 frameskip_type = FRAMESKIP_NONE;
3773 frameskip_threshold = 0;
3774 frameskip_interval = 0;
3775 frameskip_counter = 0;
3776 retro_audio_buff_active = false;
3777 retro_audio_buff_occupancy = 0;
3778 retro_audio_buff_underrun = false;
3779 retro_audio_latency = 0;
3780 update_audio_latency = false;
3781}
3782
3783#ifdef VITA
3784#include <psp2/kernel/threadmgr.h>
3785int usleep(unsigned long us)
3786{
3787 sceKernelDelayThread(us);
3788}
3789#endif
3790
3791void SysPrintf(const char *fmt, ...)
3792{
3793 va_list list;
3794 char msg[512];
3795
3796 va_start(list, fmt);
3797 vsprintf(msg, fmt, list);
3798 va_end(list);
3799
3800 if (log_cb)
3801 log_cb(RETRO_LOG_INFO, "%s", msg);
3802}
3803
3804/* Prints debug-level logs */
3805void SysDLog(const char *fmt, ...)
3806{
3807 va_list list;
3808 char msg[512];
3809
3810 va_start(list, fmt);
3811 vsprintf(msg, fmt, list);
3812 va_end(list);
3813
3814 if (log_cb)
3815 log_cb(RETRO_LOG_DEBUG, "%s", msg);
38c2028e 3816}
378428ac 3817
3818// vim:sw=3:ts=3:expandtab