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[pcsx_rearmed.git] / frontend / libretro.c
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38c2028e 1/*
003cfc63 2 * (C) notaz, 2012,2014,2015
38c2028e 3 *
4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
805fe9bc 8#define _GNU_SOURCE 1 // strcasestr
38c2028e 9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
74ebc05b 12#include <strings.h>
d148d265 13#ifdef __MACH__
14#include <unistd.h>
15#include <sys/syscall.h>
16#endif
38c2028e 17
7a8d521f 18#ifdef SWITCH
19#include <switch.h>
20#endif
21
38c2028e 22#include "../libpcsxcore/misc.h"
23#include "../libpcsxcore/psxcounters.h"
87e5b45f 24#include "../libpcsxcore/psxmem_map.h"
38c2028e 25#include "../libpcsxcore/new_dynarec/new_dynarec.h"
23ea11bd 26#include "../libpcsxcore/cdrom.h"
27#include "../libpcsxcore/cdriso.h"
6e921e1d 28#include "../libpcsxcore/cheat.h"
7a8d521f 29#include "../libpcsxcore/r3000a.h"
abf09485 30#include "../libpcsxcore/gpu.h"
07c13dfd 31#include "../plugins/dfsound/out.h"
01394a7f 32#include "../plugins/dfsound/spu_config.h"
c82f907a 33#include "cspace.h"
38c2028e 34#include "main.h"
7a8d521f 35#include "menu.h"
38c2028e 36#include "plugin.h"
37#include "plugin_lib.h"
8f2bb0cb 38#include "arm_features.h"
38c2028e 39#include "revision.h"
7a8d521f 40
41#include <libretro.h>
42#include "libretro_core_options.h"
43
44#ifdef USE_LIBRETRO_VFS
45#include <streams/file_stream_transforms.h>
46#endif
47
48#ifdef _3DS
49#include "3ds/3ds_utils.h"
50#endif
51
52#define PORTS_NUMBER 8
53
54#ifndef MIN
55#define MIN(a, b) ((a) < (b) ? (a) : (b))
56#endif
57
58#ifndef MAX
59#define MAX(a, b) ((a) > (b) ? (a) : (b))
60#endif
61
62#define ISHEXDEC ((buf[cursor] >= '0') && (buf[cursor] <= '9')) || ((buf[cursor] >= 'a') && (buf[cursor] <= 'f')) || ((buf[cursor] >= 'A') && (buf[cursor] <= 'F'))
63
64#define INTERNAL_FPS_SAMPLE_PERIOD 64
65
66//hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
67static int rebootemu = 0;
38c2028e 68
69static retro_video_refresh_t video_cb;
70static retro_input_poll_t input_poll_cb;
71static retro_input_state_t input_state_cb;
72static retro_environment_t environ_cb;
73static retro_audio_sample_batch_t audio_batch_cb;
7a8d521f 74static retro_set_rumble_state_t rumble_cb;
75static struct retro_log_callback logging;
76static retro_log_printf_t log_cb;
77
78static unsigned msg_interface_version = 0;
38c2028e 79
80static void *vout_buf;
7a8d521f 81static void *vout_buf_ptr;
70d56ca3 82static int vout_width, vout_height;
308c6e67 83static int vout_fb_dirty;
f6eb0b1c 84static int psx_w, psx_h;
1a6164a1 85static bool vout_can_dupe;
0e5a7b7d 86static bool duping_enable;
7a8d521f 87static bool found_bios;
88static bool display_internal_fps = false;
89static unsigned frame_count = 0;
90static bool libretro_supports_bitmasks = false;
91static bool libretro_supports_option_categories = false;
92static bool show_input_settings = true;
93#ifdef GPU_PEOPS
94static bool show_advanced_gpu_peops_settings = true;
95#endif
96#ifdef GPU_UNAI
97static bool show_advanced_gpu_unai_settings = true;
98#endif
99static float mouse_sensitivity = 1.0f;
100
101typedef enum
102{
103 FRAMESKIP_NONE = 0,
104 FRAMESKIP_AUTO,
105 FRAMESKIP_AUTO_THRESHOLD,
106 FRAMESKIP_FIXED_INTERVAL
107} frameskip_type_t;
108
109static unsigned frameskip_type = FRAMESKIP_NONE;
110static unsigned frameskip_threshold = 0;
111static unsigned frameskip_interval = 0;
112static unsigned frameskip_counter = 0;
113
114static int retro_audio_buff_active = false;
115static unsigned retro_audio_buff_occupancy = 0;
116static int retro_audio_buff_underrun = false;
117
118static unsigned retro_audio_latency = 0;
119static int update_audio_latency = false;
120
121static unsigned previous_width = 0;
122static unsigned previous_height = 0;
70d56ca3 123
38c2028e 124static int plugins_opened;
17f84149 125static int is_pal_mode;
38c2028e 126
f9f60dae
TK		 127/* memory card data */
128extern char Mcd1Data[MCD_SIZE];
7a8d521f 129extern char Mcd2Data[MCD_SIZE];
f9f60dae 130extern char McdDisable[2];
38c2028e 131
132/* PCSX ReARMed core calls and stuff */
7a8d521f 133int in_type[8] = {
134 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
135 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
136 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE,
137 PSE_PAD_TYPE_NONE, PSE_PAD_TYPE_NONE
138};
139int in_analog_left[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
140int in_analog_right[8][2] = { { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 }, { 127, 127 } };
141unsigned short in_keystate[PORTS_NUMBER];
142int in_mouse[8][2];
143int multitap1 = 0;
144int multitap2 = 0;
4e477065 145int in_enable_vibration = 1;
d6a231b7 146int in_enable_crosshair[2] = { 0, 0 };
38c2028e 147
7a8d521f 148// NegCon adjustment parameters
149// > The NegCon 'twist' action is somewhat awkward when mapped
150// to a standard analog stick -> user should be able to tweak
151// response/deadzone for comfort
152// > When response is linear, 'additional' deadzone (set here)
153// may be left at zero, since this is normally handled via in-game
154// options menus
155// > When response is non-linear, deadzone should be set to match the
156// controller being used (otherwise precision may be lost)
157// > negcon_linearity:
158// - 1: Response is linear - recommended when using racing wheel
159// peripherals, not recommended for standard gamepads
160// - 2: Response is quadratic - optimal setting for gamepads
161// - 3: Response is cubic - enables precise fine control, but
162// difficult to use...
163#define NEGCON_RANGE 0x7FFF
164static int negcon_deadzone = 0;
165static int negcon_linearity = 1;
166
167static bool axis_bounds_modifier;
168
805fe9bc 169/* PSX max resolution is 640x512, but with enhancement it's 1024x512 */
7a8d521f 170#define VOUT_MAX_WIDTH 1024
805fe9bc 171#define VOUT_MAX_HEIGHT 512
172
7a8d521f 173//Dummy functions
174bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) { return false; }
175void retro_unload_game(void) {}
176static int vout_open(void) { return 0; }
177static void vout_close(void) {}
178static int snd_init(void) { return 0; }
179static void snd_finish(void) {}
180static int snd_busy(void) { return 0; }
181
182#define GPU_PEOPS_ODD_EVEN_BIT (1 << 0)
183#define GPU_PEOPS_EXPAND_SCREEN_WIDTH (1 << 1)
184#define GPU_PEOPS_IGNORE_BRIGHTNESS (1 << 2)
185#define GPU_PEOPS_DISABLE_COORD_CHECK (1 << 3)
186#define GPU_PEOPS_LAZY_SCREEN_UPDATE (1 << 6)
187#define GPU_PEOPS_OLD_FRAME_SKIP (1 << 7)
188#define GPU_PEOPS_REPEATED_TRIANGLES (1 << 8)
189#define GPU_PEOPS_QUADS_WITH_TRIANGLES (1 << 9)
190#define GPU_PEOPS_FAKE_BUSY_STATE (1 << 10)
191
7df396ea
TK		 192static void init_memcard(char *mcd_data)
193{
7a8d521f 194 unsigned off = 0;
195 unsigned i;
7df396ea 196
7a8d521f 197 memset(mcd_data, 0, MCD_SIZE);
7df396ea 198
7a8d521f 199 mcd_data[off++] = 'M';
200 mcd_data[off++] = 'C';
201 off += 0x7d;
202 mcd_data[off++] = 0x0e;
7df396ea 203
7a8d521f 204 for (i = 0; i < 15; i++)
205 {
206 mcd_data[off++] = 0xa0;
207 off += 0x07;
208 mcd_data[off++] = 0xff;
209 mcd_data[off++] = 0xff;
210 off += 0x75;
211 mcd_data[off++] = 0xa0;
212 }
7df396ea 213
7a8d521f 214 for (i = 0; i < 20; i++)
215 {
216 mcd_data[off++] = 0xff;
217 mcd_data[off++] = 0xff;
218 mcd_data[off++] = 0xff;
219 mcd_data[off++] = 0xff;
220 off += 0x04;
221 mcd_data[off++] = 0xff;
222 mcd_data[off++] = 0xff;
223 off += 0x76;
224 }
7df396ea
TK		 225}
226
7a8d521f 227static void set_vout_fb()
38c2028e 228{
7a8d521f 229 struct retro_framebuffer fb = { 0 };
230
231 fb.width = vout_width;
232 fb.height = vout_height;
233 fb.access_flags = RETRO_MEMORY_ACCESS_WRITE;
234
235 if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565)
236 vout_buf_ptr = (uint16_t *)fb.data;
237 else
238 vout_buf_ptr = vout_buf;
38c2028e 239}
240
e4c83ca6 241static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
38c2028e 242{
7a8d521f 243 vout_width = w;
244 vout_height = h;
f6eb0b1c 245 psx_w = raw_w;
246 psx_h = raw_h;
7a8d521f 247
248 if (previous_width != vout_width || previous_height != vout_height)
249 {
250 previous_width = vout_width;
251 previous_height = vout_height;
252
253 struct retro_system_av_info info;
254 retro_get_system_av_info(&info);
255 environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
256 }
257
258 set_vout_fb();
38c2028e 259}
260
cc4f9b70 261#ifndef FRONTEND_SUPPORTS_RGB565
9c59f120 262static void convert(void *buf, size_t bytes)
38c2028e 263{
7a8d521f 264 unsigned int i, v, *p = buf;
38c2028e 265
7a8d521f 266 for (i = 0; i < bytes / 4; i++)
267 {
268 v = p[i];
269 p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
270 }
38c2028e 271}
46aa5b98 272#endif
38c2028e 273
d6a231b7
S		 274// Function to add crosshairs
275static 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) {
276 for (port = 0; port < 2; port++) {
277 // Draw the horizontal line of the crosshair
278 for (int i = pos_y - thickness / 2; i <= pos_y + thickness / 2; i++) {
279 for (int j = pos_x - size_x / 2; j <= pos_x + size_x / 2; j++) {
280 if ((i + vout_height) >= 0 && (i + vout_height) < bufferStride && j >= 0 && j < bufferStride && in_enable_crosshair[port] > 0)
281 buffer[i * bufferStride + j] = crosshair_color;
282 }
283 }
284
285 // Draw the vertical line of the crosshair
286 for (int i = pos_x - thickness / 2; i <= pos_x + thickness / 2; i++) {
287 for (int j = pos_y - size_y / 2; j <= pos_y + size_y / 2; j++) {
288 if (i >= 0 && i < bufferStride && (j + vout_height) >= 0 && (j + vout_height) < bufferStride && in_enable_crosshair[port] > 0)
289 buffer[j * bufferStride + i] = crosshair_color;
290 }
291 }
292 }
293}
294
295struct CrosshairInfo {
296 int pos_x, pos_y, thickness, size_x, size_y;
297};
298
299// Calculate size and position of crosshairs
300static void CrosshairDimensions(int port, struct CrosshairInfo *info) {
301 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
302 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
303 if (gunx == 32767) // Prevent crosshairs from wrapping around right side of screen to left
304 info->pos_x = (gunx + 32767.0f) * vout_width / 65534.0f - 0.5f;
305 else
306 info->pos_x = (gunx + 32767.0f) * vout_width / 65534.0f;
307 info->pos_y = (guny + 32767.0f) * vout_height / 65534.0f - vout_height;
308 info->thickness = pl_rearmed_cbs.gpu_neon.enhancement_enable ? 4 : 2;
309 info->size_x = psx_w * (pl_rearmed_cbs.gpu_neon.enhancement_enable ? 2 : 1) / 40.0f;
310 info->size_y = psx_h * (pl_rearmed_cbs.gpu_neon.enhancement_enable ? 2 : 1) * (4.0f / 3.0f) / 40.0f;
311}
312
308c6e67 313static void vout_flip(const void *vram, int stride, int bgr24,
314 int x, int y, int w, int h, int dims_changed)
38c2028e 315{
7a8d521f 316 unsigned short *dest = vout_buf_ptr;
317 const unsigned short *src = vram;
318 int dstride = vout_width, h1 = h;
d6a231b7 319 int port = 0;
7a8d521f 320
d6a231b7 321 if (vram == NULL || dims_changed || (in_enable_crosshair[0] + in_enable_crosshair[1]) > 0)
7a8d521f 322 {
308c6e67 323 memset(vout_buf_ptr, 0, dstride * vout_height * 2);
7a8d521f 324 // blanking
308c6e67 325 if (vram == NULL)
326 goto out;
7a8d521f 327 }
328
308c6e67 329 dest += x + y * dstride;
7a8d521f 330
331 if (bgr24)
332 {
333 // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
334 for (; h1-- > 0; dest += dstride, src += stride)
335 {
336 bgr888_to_rgb565(dest, src, w * 3);
337 }
338 }
339 else
340 {
341 for (; h1-- > 0; dest += dstride, src += stride)
342 {
343 bgr555_to_rgb565(dest, src, w * 2);
344 }
345 }
38c2028e 346
d6a231b7
S		 347 for (port = 0; port < 2; port++) {
348 if (in_enable_crosshair[port] > 0 && (in_type[port] == PSE_PAD_TYPE_GUNCON || in_type[port] == PSE_PAD_TYPE_GUN))
349 {
350 struct CrosshairInfo crosshairInfo;
351 CrosshairDimensions(port, &crosshairInfo);
352 addCrosshair(port, in_enable_crosshair[port], dest, dstride, crosshairInfo.pos_x, crosshairInfo.pos_y, crosshairInfo.thickness, crosshairInfo.size_x, crosshairInfo.size_y);
353 }
354 }
355
fa56d360 356out:
46aa5b98 357#ifndef FRONTEND_SUPPORTS_RGB565
7a8d521f 358 convert(vout_buf_ptr, vout_width * vout_height * 2);
359#endif
360 vout_fb_dirty = 1;
361 pl_rearmed_cbs.flip_cnt++;
362}
363
364#ifdef _3DS
365typedef struct
366{
367 void *buffer;
368 uint32_t target_map;
369 size_t size;
370 enum psxMapTag tag;
371} psx_map_t;
372
373psx_map_t custom_psx_maps[] = {
374 { NULL, 0x13000000, 0x210000, MAP_TAG_RAM }, // 0x80000000
375 { NULL, 0x12800000, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
376 { NULL, 0x12c00000, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
377 { NULL, 0x11000000, 0x800000, MAP_TAG_LUTS }, // 0x08000000
378 { NULL, 0x12000000, 0x200000, MAP_TAG_VRAM }, // 0x00000000
379};
380
381void *pl_3ds_mmap(unsigned long addr, size_t size, int is_fixed,
382 enum psxMapTag tag)
383{
384 (void)is_fixed;
385 (void)addr;
386
387 if (__ctr_svchax)
388 {
389 psx_map_t *custom_map = custom_psx_maps;
390
391 for (; custom_map->size; custom_map++)
392 {
393 if ((custom_map->size == size) && (custom_map->tag == tag))
394 {
395 uint32_t ptr_aligned, tmp;
396
397 custom_map->buffer = malloc(size + 0x1000);
398 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
399
400 if (svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_MAP, 0x3) < 0)
401 {
402 SysPrintf("could not map memory @0x%08X\n", custom_map->target_map);
403 exit(1);
404 }
405
406 return (void *)custom_map->target_map;
407 }
408 }
409 }
410
411 return malloc(size);
412}
413
414void pl_3ds_munmap(void *ptr, size_t size, enum psxMapTag tag)
415{
416 (void)tag;
417
418 if (__ctr_svchax)
419 {
420 psx_map_t *custom_map = custom_psx_maps;
421
422 for (; custom_map->size; custom_map++)
423 {
424 if ((custom_map->target_map == (uint32_t)ptr))
425 {
426 uint32_t ptr_aligned, tmp;
427
428 ptr_aligned = (((u32)custom_map->buffer) + 0xFFF) & ~0xFFF;
429
430 svcControlMemory(&tmp, (void *)custom_map->target_map, (void *)ptr_aligned, size, MEMOP_UNMAP, 0x3);
431
432 free(custom_map->buffer);
433 custom_map->buffer = NULL;
434 return;
435 }
436 }
437 }
438
439 free(ptr);
440}
441#endif
442
443#ifdef VITA
444typedef struct
445{
446 void *buffer;
447 uint32_t target_map;
448 size_t size;
449 enum psxMapTag tag;
450} psx_map_t;
451
452void *addr = NULL;
453
454psx_map_t custom_psx_maps[] = {
455 { NULL, NULL, 0x210000, MAP_TAG_RAM }, // 0x80000000
456 { NULL, NULL, 0x010000, MAP_TAG_OTHER }, // 0x1f800000
457 { NULL, NULL, 0x080000, MAP_TAG_OTHER }, // 0x1fc00000
458 { NULL, NULL, 0x800000, MAP_TAG_LUTS }, // 0x08000000
459 { NULL, NULL, 0x200000, MAP_TAG_VRAM }, // 0x00000000
460};
461
462int init_vita_mmap()
463{
464 int n;
465 void *tmpaddr;
466 addr = malloc(64 * 1024 * 1024);
467 if (addr == NULL)
468 return -1;
469 tmpaddr = ((u32)(addr + 0xFFFFFF)) & ~0xFFFFFF;
470 custom_psx_maps[0].buffer = tmpaddr + 0x2000000;
471 custom_psx_maps[1].buffer = tmpaddr + 0x1800000;
472 custom_psx_maps[2].buffer = tmpaddr + 0x1c00000;
473 custom_psx_maps[3].buffer = tmpaddr + 0x0000000;
474 custom_psx_maps[4].buffer = tmpaddr + 0x1000000;
475#if 0
476 for(n = 0; n < 5; n++){
477 sceClibPrintf("addr reserved %x\n",custom_psx_maps[n].buffer);
478 }
46aa5b98 479#endif
7a8d521f 480 return 0;
481}
482
483void deinit_vita_mmap()
484{
485 free(addr);
486}
487
488void *pl_vita_mmap(unsigned long addr, size_t size, int is_fixed,
489 enum psxMapTag tag)
490{
491 (void)is_fixed;
492 (void)addr;
493
494 psx_map_t *custom_map = custom_psx_maps;
495
496 for (; custom_map->size; custom_map++)
497 {
498 if ((custom_map->size == size) && (custom_map->tag == tag))
499 {
500 return custom_map->buffer;
501 }
502 }
503
504 return malloc(size);
38c2028e 505}
506
7a8d521f 507void pl_vita_munmap(void *ptr, size_t size, enum psxMapTag tag)
38c2028e 508{
7a8d521f 509 (void)tag;
510
511 psx_map_t *custom_map = custom_psx_maps;
512
513 for (; custom_map->size; custom_map++)
514 {
515 if ((custom_map->buffer == ptr))
516 {
517 return;
518 }
519 }
520
521 free(ptr);
38c2028e 522}
7a8d521f 523#endif
38c2028e 524
cc56203b 525static void *pl_mmap(unsigned int size)
526{
7a8d521f 527 return psxMap(0, size, 0, MAP_TAG_VRAM);
cc56203b 528}
529
530static void pl_munmap(void *ptr, unsigned int size)
531{
7a8d521f 532 psxUnmap(ptr, size, MAP_TAG_VRAM);
cc56203b 533}
534
38c2028e 535struct rearmed_cbs pl_rearmed_cbs = {
7a8d521f 536 .pl_vout_open = vout_open,
537 .pl_vout_set_mode = vout_set_mode,
538 .pl_vout_flip = vout_flip,
539 .pl_vout_close = vout_close,
540 .mmap = pl_mmap,
541 .munmap = pl_munmap,
abf09485 542 .gpu_state_change = gpu_state_change,
7a8d521f 543 /* from psxcounters */
544 .gpu_hcnt = &hSyncCount,
545 .gpu_frame_count = &frame_counter,
38c2028e 546};
547
548void pl_frame_limit(void)
549{
7a8d521f 550 /* called once per frame, make psxCpu->Execute() above return */
da65071f 551 stop++;
38c2028e 552}
553
554void pl_timing_prepare(int is_pal)
555{
7a8d521f 556 is_pal_mode = is_pal;
38c2028e 557}
558
d71c7095 559void plat_trigger_vibrate(int pad, int low, int high)
38c2028e 560{
7a8d521f 561 if (!rumble_cb)
562 return;
563
564 if (in_enable_vibration)
565 {
566 rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
567 rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
568 }
38c2028e 569}
570
d6a231b7
S		 571//Percentage distance of screen to adjust for Konami Gun
572static float KonamiGunAdjustX = 0;
573static float KonamiGunAdjustY = 0;
574
2db412ad 575void pl_gun_byte2(int port, unsigned char byte)
38c2028e 576{
d6a231b7
S		 577 int irq_count = 4;
578 float justifier_multiplier = 0;
579 int justifier_width = psx_w;
580 int justifier_height = psx_h;
581 int justifier_offscreen = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN);
582 int justifier_reload = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD);
583
584 if (justifier_width == 256)
585 justifier_multiplier = is_pal_mode ? .157086f : .158532f;
586 else if (justifier_width == 320)
587 justifier_multiplier = is_pal_mode ? .196358f : .198166f;
588 else if (justifier_width == 384)
589 justifier_multiplier = is_pal_mode ? .224409f : .226475f;
590 else if (justifier_width == 512)
591 justifier_multiplier = is_pal_mode ? .314173f : .317065f;
592 else // (justifier_width == 640)
593 justifier_multiplier = is_pal_mode ? .392717f : .396332f;
594
595 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
596 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
597
598 //Default offset of +105 for X and -12 for Y is chosen to obtain alignment in Die Hard Trilogy, which has no calibration feature
599 int gunx_scaled = ((gunx + 32767.0f) / 65534.0f + KonamiGunAdjustX) * justifier_width / justifier_multiplier + 105.0f;
600 int guny_scaled = ((guny + 32767.0f) / 65534.0f + KonamiGunAdjustY) * justifier_height - 12.0f;
601
602 if ((byte & 0x10) && !justifier_offscreen && !justifier_reload)
603 {
604 psxScheduleIrq10(irq_count, gunx_scaled, guny_scaled);
605 }
38c2028e 606}
607
608/* sound calls */
7a8d521f 609static void snd_feed(void *buf, int bytes)
38c2028e 610{
7a8d521f 611 if (audio_batch_cb != NULL)
612 audio_batch_cb(buf, bytes / 4);
38c2028e 613}
614
7a8d521f 615void out_register_libretro(struct out_driver *drv)
38c2028e 616{
7a8d521f 617 drv->name = "libretro";
618 drv->init = snd_init;
619 drv->finish = snd_finish;
620 drv->busy = snd_busy;
621 drv->feed = snd_feed;
38c2028e 622}
623
d6a231b7
S		 624#define RETRO_DEVICE_PSE_STANDARD RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0)
625#define RETRO_DEVICE_PSE_ANALOG RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 0)
626#define RETRO_DEVICE_PSE_DUALSHOCK RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 1)
627#define RETRO_DEVICE_PSE_NEGCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_ANALOG, 2)
628#define RETRO_DEVICE_PSE_GUNCON RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 0)
629#define RETRO_DEVICE_PSE_JUSTIFIER RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 1)
630#define RETRO_DEVICE_PSE_MOUSE RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_MOUSE, 0)
7a8d521f 631
632static char *get_pse_pad_label[] = {
633 "none", "mouse", "negcon", "konami gun", "standard", "analog", "guncon", "dualshock"
634};
635
d6a231b7 636static const struct retro_controller_description pads[8] =
38c2028e 637{
d6a231b7
S		 638 { "standard", RETRO_DEVICE_JOYPAD },
639 { "analog", RETRO_DEVICE_PSE_ANALOG },
640 { "dualshock", RETRO_DEVICE_PSE_DUALSHOCK },
641 { "negcon", RETRO_DEVICE_PSE_NEGCON },
642 { "guncon", RETRO_DEVICE_PSE_GUNCON },
643 { "konami gun", RETRO_DEVICE_PSE_JUSTIFIER },
644 { "mouse", RETRO_DEVICE_PSE_MOUSE },
7a8d521f 645 { NULL, 0 },
646};
38c2028e 647
7a8d521f 648static const struct retro_controller_info ports[9] =
38c2028e 649{
7a8d521f 650 { pads, 7 },
651 { pads, 7 },
652 { pads, 7 },
653 { pads, 7 },
654 { pads, 7 },
655 { pads, 7 },
656 { pads, 7 },
657 { pads, 7 },
658 { NULL, 0 },
659};
38c2028e 660
7a8d521f 661/* libretro */
662
663static bool update_option_visibility(void)
07c13dfd 664{
7a8d521f 665 struct retro_variable var = {0};
666 struct retro_core_option_display option_display = {0};
667 bool updated = false;
668 unsigned i;
669
670 /* If frontend supports core option categories
671 * then show/hide core option entries are ignored
672 * and no options should be hidden */
673 if (libretro_supports_option_categories)
674 return false;
675
676 var.key = "pcsx_rearmed_show_input_settings";
677 var.value = NULL;
678
679 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
680 {
681 bool show_input_settings_prev =
682 show_input_settings;
683
684 show_input_settings = true;
685 if (strcmp(var.value, "disabled") == 0)
686 show_input_settings = false;
687
688 if (show_input_settings !=
689 show_input_settings_prev)
690 {
691 char input_option[][50] = {
692 "pcsx_rearmed_analog_axis_modifier",
693 "pcsx_rearmed_vibration",
694 "pcsx_rearmed_multitap",
695 "pcsx_rearmed_negcon_deadzone",
696 "pcsx_rearmed_negcon_response",
697 "pcsx_rearmed_input_sensitivity",
d6a231b7
S		 698 "pcsx_rearmed_crosshair1",
699 "pcsx_rearmed_crosshair2",
700 "pcsx_rearmed_konamigunadjustx",
701 "pcsx_rearmed_konamigunadjusty",
7a8d521f 702 "pcsx_rearmed_gunconadjustx",
703 "pcsx_rearmed_gunconadjusty",
704 "pcsx_rearmed_gunconadjustratiox",
705 "pcsx_rearmed_gunconadjustratioy"
706 };
707
708 option_display.visible = show_input_settings;
709
710 for (i = 0;
711 i < (sizeof(input_option) /
712 sizeof(input_option[0]));
713 i++)
714 {
715 option_display.key = input_option[i];
716 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
717 &option_display);
718 }
719
720 updated = true;
721 }
722 }
723#ifdef GPU_PEOPS
724 var.key = "pcsx_rearmed_show_gpu_peops_settings";
725 var.value = NULL;
726
727 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
728 {
729 bool show_advanced_gpu_peops_settings_prev =
730 show_advanced_gpu_peops_settings;
731
732 show_advanced_gpu_peops_settings = true;
733 if (strcmp(var.value, "disabled") == 0)
734 show_advanced_gpu_peops_settings = false;
735
736 if (show_advanced_gpu_peops_settings !=
737 show_advanced_gpu_peops_settings_prev)
738 {
739 unsigned i;
740 struct retro_core_option_display option_display;
741 char gpu_peops_option[][45] = {
742 "pcsx_rearmed_gpu_peops_odd_even_bit",
743 "pcsx_rearmed_gpu_peops_expand_screen_width",
744 "pcsx_rearmed_gpu_peops_ignore_brightness",
745 "pcsx_rearmed_gpu_peops_disable_coord_check",
746 "pcsx_rearmed_gpu_peops_lazy_screen_update",
747 "pcsx_rearmed_gpu_peops_repeated_triangles",
748 "pcsx_rearmed_gpu_peops_quads_with_triangles",
749 "pcsx_rearmed_gpu_peops_fake_busy_state"
750 };
751
752 option_display.visible = show_advanced_gpu_peops_settings;
753
754 for (i = 0;
755 i < (sizeof(gpu_peops_option) /
756 sizeof(gpu_peops_option[0]));
757 i++)
758 {
759 option_display.key = gpu_peops_option[i];
760 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
761 &option_display);
762 }
763
764 updated = true;
765 }
766 }
767#endif
768#ifdef GPU_UNAI
769 var.key = "pcsx_rearmed_show_gpu_unai_settings";
770 var.value = NULL;
771
772 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
773 {
774 bool show_advanced_gpu_unai_settings_prev =
775 show_advanced_gpu_unai_settings;
776
777 show_advanced_gpu_unai_settings = true;
778 if (strcmp(var.value, "disabled") == 0)
779 show_advanced_gpu_unai_settings = false;
780
781 if (show_advanced_gpu_unai_settings !=
782 show_advanced_gpu_unai_settings_prev)
783 {
784 unsigned i;
785 struct retro_core_option_display option_display;
786 char gpu_unai_option[][40] = {
787 "pcsx_rearmed_gpu_unai_blending",
788 "pcsx_rearmed_gpu_unai_lighting",
789 "pcsx_rearmed_gpu_unai_fast_lighting",
790 "pcsx_rearmed_gpu_unai_scale_hires",
791 };
792
793 option_display.visible = show_advanced_gpu_unai_settings;
794
795 for (i = 0;
796 i < (sizeof(gpu_unai_option) /
797 sizeof(gpu_unai_option[0]));
798 i++)
799 {
800 option_display.key = gpu_unai_option[i];
801 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
802 &option_display);
803 }
804
805 updated = true;
806 }
807 }
808#endif
809 return updated;
07c13dfd 810}
811
e268a47e 812void retro_set_environment(retro_environment_t cb)
813{
7a8d521f 814 bool option_categories = false;
815#ifdef USE_LIBRETRO_VFS
816 struct retro_vfs_interface_info vfs_iface_info;
7d68d030 817#endif
e268a47e 818
819 environ_cb = cb;
820
7a8d521f 821 if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
822 log_cb = logging.log;
823
824 environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
825
826 /* Set core options
827 * An annoyance: retro_set_environment() can be called
828 * multiple times, and depending upon the current frontend
829 * state various environment callbacks may be disabled.
830 * This means the reported 'categories_supported' status
831 * may change on subsequent iterations. We therefore have
832 * to record whether 'categories_supported' is true on any
833 * iteration, and latch the result */
834 libretro_set_core_options(environ_cb, &option_categories);
835 libretro_supports_option_categories |= option_categories;
836
837 /* If frontend supports core option categories,
838 * any show/hide core option entries are unused
839 * and should be hidden */
840 if (libretro_supports_option_categories)
841 {
842 struct retro_core_option_display option_display;
843 option_display.visible = false;
844
845 option_display.key = "pcsx_rearmed_show_input_settings";
846 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
847 &option_display);
848
849#ifdef GPU_PEOPS
850 option_display.key = "pcsx_rearmed_show_gpu_peops_settings";
851 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
852 &option_display);
853#endif
854#ifdef GPU_UNAI
855 option_display.key = "pcsx_rearmed_show_gpu_unai_settings";
856 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY,
857 &option_display);
858#endif
859 }
860 /* If frontend does not support core option
861 * categories, core options may be shown/hidden
862 * at runtime. In this case, register 'update
863 * display' callback, so frontend can update
864 * core options menu without calling retro_run() */
865 else
866 {
867 struct retro_core_options_update_display_callback update_display_cb;
868 update_display_cb.callback = update_option_visibility;
869
870 environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK,
871 &update_display_cb);
872 }
873
874#ifdef USE_LIBRETRO_VFS
875 vfs_iface_info.required_interface_version = 1;
876 vfs_iface_info.iface = NULL;
877 if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
878 filestream_vfs_init(&vfs_iface_info);
879#endif
e268a47e 880}
881
38c2028e 882void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
883void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
884void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
885void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
886void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
887
888unsigned retro_api_version(void)
889{
7a8d521f 890 return RETRO_API_VERSION;
891}
892
893static void update_multitap(void)
894{
895 struct retro_variable var = { 0 };
896
897 multitap1 = 0;
898 multitap2 = 0;
899
900 var.value = NULL;
901 var.key = "pcsx_rearmed_multitap";
902 if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
903 {
904 if (strcmp(var.value, "port 1") == 0)
905 multitap1 = 1;
906 else if (strcmp(var.value, "port 2") == 0)
907 multitap2 = 1;
908 else if (strcmp(var.value, "ports 1 and 2") == 0)
909 {
910 multitap1 = 1;
911 multitap2 = 1;
912 }
913 }
38c2028e 914}
915
916void retro_set_controller_port_device(unsigned port, unsigned device)
917{
7a8d521f 918 if (port >= PORTS_NUMBER)
919 return;
920
921 switch (device)
922 {
923 case RETRO_DEVICE_JOYPAD:
924 case RETRO_DEVICE_PSE_STANDARD:
925 in_type[port] = PSE_PAD_TYPE_STANDARD;
926 break;
927 case RETRO_DEVICE_PSE_ANALOG:
928 in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
929 break;
930 case RETRO_DEVICE_PSE_DUALSHOCK:
931 in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
932 break;
933 case RETRO_DEVICE_PSE_MOUSE:
934 in_type[port] = PSE_PAD_TYPE_MOUSE;
935 break;
936 case RETRO_DEVICE_PSE_NEGCON:
937 in_type[port] = PSE_PAD_TYPE_NEGCON;
938 break;
939 case RETRO_DEVICE_PSE_GUNCON:
940 in_type[port] = PSE_PAD_TYPE_GUNCON;
941 break;
d6a231b7
S		 942 case RETRO_DEVICE_PSE_JUSTIFIER:
943 in_type[port] = PSE_PAD_TYPE_GUN;
944 break;
7a8d521f 945 case RETRO_DEVICE_NONE:
946 default:
947 in_type[port] = PSE_PAD_TYPE_NONE;
948 break;
949 }
950
951 SysPrintf("port: %u device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
38c2028e 952}
953
954void retro_get_system_info(struct retro_system_info *info)
955{
7a8d521f 956#ifndef GIT_VERSION
957#define GIT_VERSION ""
958#endif
959 memset(info, 0, sizeof(*info));
960 info->library_name = "PCSX-ReARMed";
961 info->library_version = "r23l" GIT_VERSION;
0cae7d24 962 info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd|iso|exe";
7a8d521f 963 info->need_fullpath = true;
38c2028e 964}
965
966void retro_get_system_av_info(struct retro_system_av_info *info)
967{
7a8d521f 968 unsigned geom_height = vout_height > 0 ? vout_height : 240;
969 unsigned geom_width = vout_width > 0 ? vout_width : 320;
970
971 memset(info, 0, sizeof(*info));
972 info->timing.fps = is_pal_mode ? 50.0 : 60.0;
973 info->timing.sample_rate = 44100.0;
974 info->geometry.base_width = geom_width;
975 info->geometry.base_height = geom_height;
976 info->geometry.max_width = VOUT_MAX_WIDTH;
977 info->geometry.max_height = VOUT_MAX_HEIGHT;
978 info->geometry.aspect_ratio = 4.0 / 3.0;
38c2028e 979}
980
6e921e1d 981/* savestates */
7a8d521f 982size_t retro_serialize_size(void)
983{
984 // it's currently 4380651-4397047 bytes,
985 // but have some reserved for future
986 return 0x440000;
6e921e1d 987}
988
7a8d521f 989struct save_fp
990{
991 char *buf;
992 size_t pos;
993 int is_write;
6e921e1d 994};
995
996static void *save_open(const char *name, const char *mode)
997{
7a8d521f 998 struct save_fp *fp;
6e921e1d 999
7a8d521f 1000 if (name == NULL || mode == NULL)
1001 return NULL;
6e921e1d 1002
7a8d521f 1003 fp = malloc(sizeof(*fp));
1004 if (fp == NULL)
1005 return NULL;
6e921e1d 1006
7a8d521f 1007 fp->buf = (char *)name;
1008 fp->pos = 0;
1009 fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
6e921e1d 1010
7a8d521f 1011 return fp;
6e921e1d 1012}
1013
1014static int save_read(void *file, void *buf, u32 len)
1015{
7a8d521f 1016 struct save_fp *fp = file;
1017 if (fp == NULL || buf == NULL)
1018 return -1;
6e921e1d 1019
7a8d521f 1020 memcpy(buf, fp->buf + fp->pos, len);
1021 fp->pos += len;
1022 return len;
6e921e1d 1023}
1024
1025static int save_write(void *file, const void *buf, u32 len)
1026{
7a8d521f 1027 struct save_fp *fp = file;
1028 if (fp == NULL || buf == NULL)
1029 return -1;
6e921e1d 1030
7a8d521f 1031 memcpy(fp->buf + fp->pos, buf, len);
1032 fp->pos += len;
1033 return len;
6e921e1d 1034}
1035
1036static long save_seek(void *file, long offs, int whence)
1037{
7a8d521f 1038 struct save_fp *fp = file;
1039 if (fp == NULL)
1040 return -1;
6e921e1d 1041
7a8d521f 1042 switch (whence)
1043 {
1044 case SEEK_CUR:
1045 fp->pos += offs;
1046 return fp->pos;
1047 case SEEK_SET:
1048 fp->pos = offs;
1049 return fp->pos;
1050 default:
1051 return -1;
1052 }
6e921e1d 1053}
1054
1055static void save_close(void *file)
1056{
7a8d521f 1057 struct save_fp *fp = file;
1058 size_t r_size = retro_serialize_size();
1059 if (fp == NULL)
1060 return;
1061
1062 if (fp->pos > r_size)
1063 SysPrintf("ERROR: save buffer overflow detected\n");
1064 else if (fp->is_write && fp->pos < r_size)
1065 // make sure we don't save trash in leftover space
1066 memset(fp->buf + fp->pos, 0, r_size - fp->pos);
1067 free(fp);
38c2028e 1068}
1069
1070bool retro_serialize(void *data, size_t size)
7a8d521f 1071{
1072 int ret = SaveState(data);
1073 return ret == 0 ? true : false;
38c2028e 1074}
1075
1076bool retro_unserialize(const void *data, size_t size)
1077{
7a8d521f 1078 int ret = LoadState(data);
1079 return ret == 0 ? true : false;
38c2028e 1080}
1081
23ea11bd 1082/* cheats */
38c2028e 1083void retro_cheat_reset(void)
1084{
7a8d521f 1085 ClearAllCheats();
38c2028e 1086}
1087
1088void retro_cheat_set(unsigned index, bool enabled, const char *code)
1089{
1e93efc0 1090 int ret = -1;
1091 char *buf;
7a8d521f 1092
1e93efc0 1093 // cheat funcs are destructive, need a copy...
1094 buf = strdup(code);
1095 if (buf == NULL)
1096 goto finish;
6e921e1d 1097
7a8d521f 1098 //Prepare buffered cheat for PCSX's AddCheat fucntion.
1099 int cursor = 0;
1100 int nonhexdec = 0;
1101 while (buf[cursor])
1102 {
1103 if (!(ISHEXDEC))
1104 {
1105 if (++nonhexdec % 2)
1106 {
1107 buf[cursor] = ' ';
1108 }
1109 else
1110 {
1111 buf[cursor] = '\n';
1112 }
1113 }
1114 cursor++;
1115 }
6e921e1d 1116
7a8d521f 1117 if (index < NumCheats)
1118 ret = EditCheat(index, "", buf);
1119 else
1120 ret = AddCheat("", buf);
6e921e1d 1121
1e93efc0 1122finish:
7a8d521f 1123 if (ret != 0)
1124 SysPrintf("Failed to set cheat %#u\n", index);
1125 else if (index < NumCheats)
1126 Cheats[index].Enabled = enabled;
1e93efc0 1127 free(buf);
38c2028e 1128}
1129
7a8d521f 1130// just in case, maybe a win-rt port in the future?
1131#ifdef _WIN32
1132#define SLASH '\\'
1133#else
1134#define SLASH '/'
1135#endif
1136
1137#ifndef PATH_MAX
1138#define PATH_MAX 4096
1139#endif
1140
23ea11bd 1141/* multidisk support */
7a8d521f 1142static unsigned int disk_initial_index;
1143static char disk_initial_path[PATH_MAX];
23ea11bd 1144static bool disk_ejected;
1145static unsigned int disk_current_index;
51ba7408 1146static unsigned int disk_count;
7a8d521f 1147static struct disks_state
1148{
1149 char *fname;
1150 char *flabel;
1151 int internal_index; // for multidisk eboots
23ea11bd 1152} disks[8];
1153
7a8d521f 1154static void get_disk_label(char *disk_label, const char *disk_path, size_t len)
1155{
1156 const char *base = NULL;
1157
1158 if (!disk_path || (*disk_path == '\0'))
1159 return;
1160
1161 base = strrchr(disk_path, SLASH);
1162 if (!base)
1163 base = disk_path;
1164
1165 if (*base == SLASH)
1166 base++;
1167
1168 strncpy(disk_label, base, len - 1);
1169 disk_label[len - 1] = '\0';
1170
1171 char *ext = strrchr(disk_label, '.');
1172 if (ext)
1173 *ext = '\0';
1174}
1175
1176static void disk_init(void)
1177{
1178 size_t i;
1179
1180 disk_ejected = false;
1181 disk_current_index = 0;
1182 disk_count = 0;
1183
1184 for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++)
1185 {
1186 if (disks[i].fname != NULL)
1187 {
1188 free(disks[i].fname);
1189 disks[i].fname = NULL;
1190 }
1191 if (disks[i].flabel != NULL)
1192 {
1193 free(disks[i].flabel);
1194 disks[i].flabel = NULL;
1195 }
1196 disks[i].internal_index = 0;
1197 }
1198}
1199
23ea11bd 1200static bool disk_set_eject_state(bool ejected)
1201{
7a8d521f 1202 // weird PCSX API..
1203 SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
1204 LidInterrupt();
23ea11bd 1205
7a8d521f 1206 disk_ejected = ejected;
1207 return true;
23ea11bd 1208}
1209
1210static bool disk_get_eject_state(void)
1211{
7a8d521f 1212 /* can't be controlled by emulated software */
1213 return disk_ejected;
23ea11bd 1214}
1215
1216static unsigned int disk_get_image_index(void)
1217{
7a8d521f 1218 return disk_current_index;
23ea11bd 1219}
1220
1221static bool disk_set_image_index(unsigned int index)
1222{
7a8d521f 1223 if (index >= sizeof(disks) / sizeof(disks[0]))
1224 return false;
23ea11bd 1225
7a8d521f 1226 CdromId[0] = '\0';
1227 CdromLabel[0] = '\0';
23ea11bd 1228
7a8d521f 1229 if (disks[index].fname == NULL)
1230 {
1231 SysPrintf("missing disk #%u\n", index);
1232 CDR_shutdown();
23ea11bd 1233
7a8d521f 1234 // RetroArch specifies "no disk" with index == count,
1235 // so don't fail here..
1236 disk_current_index = index;
1237 return true;
1238 }
23ea11bd 1239
7a8d521f 1240 SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
1241 disks[index].fname, disks[index].internal_index);
23ea11bd 1242
7a8d521f 1243 cdrIsoMultidiskSelect = disks[index].internal_index;
1244 set_cd_image(disks[index].fname);
1245 if (ReloadCdromPlugin() < 0)
1246 {
1247 SysPrintf("failed to load cdr plugin\n");
1248 return false;
1249 }
1250 if (CDR_open() < 0)
1251 {
1252 SysPrintf("failed to open cdr plugin\n");
1253 return false;
1254 }
23ea11bd 1255
7a8d521f 1256 if (!disk_ejected)
1257 {
1258 SetCdOpenCaseTime(time(NULL) + 2);
1259 LidInterrupt();
1260 }
23ea11bd 1261
7a8d521f 1262 disk_current_index = index;
1263 return true;
23ea11bd 1264}
1265
1266static unsigned int disk_get_num_images(void)
1267{
7a8d521f 1268 return disk_count;
23ea11bd 1269}
1270
1271static bool disk_replace_image_index(unsigned index,
7a8d521f 1272 const struct retro_game_info *info)
23ea11bd 1273{
7a8d521f 1274 char *old_fname = NULL;
1275 char *old_flabel = NULL;
1276 bool ret = true;
1277
1278 if (index >= sizeof(disks) / sizeof(disks[0]))
1279 return false;
1280
1281 old_fname = disks[index].fname;
1282 old_flabel = disks[index].flabel;
1283
1284 disks[index].fname = NULL;
1285 disks[index].flabel = NULL;
1286 disks[index].internal_index = 0;
1287
1288 if (info != NULL)
1289 {
1290 char disk_label[PATH_MAX];
1291 disk_label[0] = '\0';
1292
1293 disks[index].fname = strdup(info->path);
23ea11bd 1294
7a8d521f 1295 get_disk_label(disk_label, info->path, PATH_MAX);
1296 disks[index].flabel = strdup(disk_label);
23ea11bd 1297
7a8d521f 1298 if (index == disk_current_index)
1299 ret = disk_set_image_index(index);
1300 }
23ea11bd 1301
7a8d521f 1302 if (old_fname != NULL)
1303 free(old_fname);
23ea11bd 1304
7a8d521f 1305 if (old_flabel != NULL)
1306 free(old_flabel);
23ea11bd 1307
7a8d521f 1308 return ret;
23ea11bd 1309}
1310
1311static bool disk_add_image_index(void)
1312{
7a8d521f 1313 if (disk_count >= 8)
1314 return false;
51ba7408 1315
7a8d521f 1316 disk_count++;
1317 return true;
23ea11bd 1318}
1319
7a8d521f 1320static bool disk_set_initial_image(unsigned index, const char *path)
1321{
1322 if (index >= sizeof(disks) / sizeof(disks[0]))
1323 return false;
23ea11bd 1324
7a8d521f 1325 if (!path || (*path == '\0'))
1326 return false;
9fba39a9 1327
7a8d521f 1328 disk_initial_index = index;
9fba39a9 1329
7a8d521f 1330 strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1);
1331 disk_initial_path[sizeof(disk_initial_path) - 1] = '\0';
1332
1333 return true;
9fba39a9
T		 1334}
1335
7a8d521f 1336static bool disk_get_image_path(unsigned index, char *path, size_t len)
9fba39a9 1337{
7a8d521f 1338 const char *fname = NULL;
9fba39a9 1339
7a8d521f 1340 if (len < 1)
1341 return false;
9fba39a9 1342
7a8d521f 1343 if (index >= sizeof(disks) / sizeof(disks[0]))
1344 return false;
1345
1346 fname = disks[index].fname;
1347
1348 if (!fname || (*fname == '\0'))
1349 return false;
1350
1351 strncpy(path, fname, len - 1);
1352 path[len - 1] = '\0';
1353
1354 return true;
1355}
1356
1357static bool disk_get_image_label(unsigned index, char *label, size_t len)
1358{
1359 const char *flabel = NULL;
1360
1361 if (len < 1)
1362 return false;
1363
1364 if (index >= sizeof(disks) / sizeof(disks[0]))
1365 return false;
1366
1367 flabel = disks[index].flabel;
1368
1369 if (!flabel || (*flabel == '\0'))
1370 return false;
1371
1372 strncpy(label, flabel, len - 1);
1373 label[len - 1] = '\0';
1374
1375 return true;
1376}
1377
1378static struct retro_disk_control_callback disk_control = {
1379 .set_eject_state = disk_set_eject_state,
1380 .get_eject_state = disk_get_eject_state,
1381 .get_image_index = disk_get_image_index,
1382 .set_image_index = disk_set_image_index,
1383 .get_num_images = disk_get_num_images,
1384 .replace_image_index = disk_replace_image_index,
1385 .add_image_index = disk_add_image_index,
1386};
1387
1388static struct retro_disk_control_ext_callback disk_control_ext = {
1389 .set_eject_state = disk_set_eject_state,
1390 .get_eject_state = disk_get_eject_state,
1391 .get_image_index = disk_get_image_index,
1392 .set_image_index = disk_set_image_index,
1393 .get_num_images = disk_get_num_images,
1394 .replace_image_index = disk_replace_image_index,
1395 .add_image_index = disk_add_image_index,
1396 .set_initial_image = disk_set_initial_image,
1397 .get_image_path = disk_get_image_path,
1398 .get_image_label = disk_get_image_label,
1399};
1400
1401static char base_dir[1024];
1402
1403static bool read_m3u(const char *file)
1404{
1405 char line[1024];
1406 char name[PATH_MAX];
1407 FILE *fp = fopen(file, "r");
1408 if (!fp)
1409 return false;
1410
1411 while (fgets(line, sizeof(line), fp) && disk_count < sizeof(disks) / sizeof(disks[0]))
1412 {
1413 if (line[0] == '#')
1414 continue;
1415 char *carrige_return = strchr(line, '\r');
1416 if (carrige_return)
1417 *carrige_return = '\0';
1418 char *newline = strchr(line, '\n');
1419 if (newline)
1420 *newline = '\0';
1421
1422 if (line[0] != '\0')
1423 {
1424 char disk_label[PATH_MAX];
1425 disk_label[0] = '\0';
1426
1427 snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
1428 disks[disk_count].fname = strdup(name);
1429
1430 get_disk_label(disk_label, name, PATH_MAX);
1431 disks[disk_count].flabel = strdup(disk_label);
1432
1433 disk_count++;
1434 }
1435 }
1436
1437 fclose(fp);
1438 return (disk_count != 0);
1439}
1440
1441static void extract_directory(char *buf, const char *path, size_t size)
1442{
1443 char *base;
1444 strncpy(buf, path, size - 1);
1445 buf[size - 1] = '\0';
1446
1447 base = strrchr(buf, '/');
1448 if (!base)
1449 base = strrchr(buf, '\\');
1450
1451 if (base)
1452 *base = '\0';
1453 else
1454 {
9fba39a9
T		 1455 buf[0] = '.';
1456 buf[1] = '\0';
1457 }
1458}
1459
003cfc63 1460#if defined(__QNX__) || defined(_WIN32)
41294f4d 1461/* Blackberry QNX doesn't have strcasestr */
1462
1463/*
1464 * Find the first occurrence of find in s, ignore case.
1465 */
1466char *
7a8d521f 1467strcasestr(const char *s, const char *find)
1468{
1469 char c, sc;
1470 size_t len;
1471
1472 if ((c = *find++) != 0)
1473 {
1474 c = tolower((unsigned char)c);
1475 len = strlen(find);
1476 do
1477 {
1478 do
1479 {
1480 if ((sc = *s++) == 0)
1481 return (NULL);
1482 } while ((char)tolower((unsigned char)sc) != c);
1483 } while (strncasecmp(s, find, len) != 0);
1484 s--;
1485 }
1486 return ((char *)s);
41294f4d 1487}
1488#endif
1489
7a8d521f 1490static void set_retro_memmap(void)
1491{
1492#ifndef NDEBUG
1493 struct retro_memory_map retromap = { 0 };
1494 struct retro_memory_descriptor mmap = {
1495 0, psxM, 0, 0, 0, 0, 0x200000
1496 };
1497
1498 retromap.descriptors = &mmap;
1499 retromap.num_descriptors = 1;
1500
1501 environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
1502#endif
1503}
1504
1505static void retro_audio_buff_status_cb(
1506 bool active, unsigned occupancy, bool underrun_likely)
1507{
1508 retro_audio_buff_active = active;
1509 retro_audio_buff_occupancy = occupancy;
1510 retro_audio_buff_underrun = underrun_likely;
1511}
1512
1513static void retro_set_audio_buff_status_cb(void)
1514{
1515 if (frameskip_type == FRAMESKIP_NONE)
1516 {
1517 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1518 retro_audio_latency = 0;
1519 }
1520 else
1521 {
1522 bool calculate_audio_latency = true;
1523
1524 if (frameskip_type == FRAMESKIP_FIXED_INTERVAL)
1525 environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
1526 else
1527 {
1528 struct retro_audio_buffer_status_callback buf_status_cb;
1529 buf_status_cb.callback = retro_audio_buff_status_cb;
1530 if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
1531 &buf_status_cb))
1532 {
1533 retro_audio_buff_active = false;
1534 retro_audio_buff_occupancy = 0;
1535 retro_audio_buff_underrun = false;
1536 retro_audio_latency = 0;
1537 calculate_audio_latency = false;
1538 }
1539 }
1540
1541 if (calculate_audio_latency)
1542 {
1543 /* Frameskip is enabled - increase frontend
1544 * audio latency to minimise potential
1545 * buffer underruns */
1546 uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
1547
1548 /* Set latency to 6x current frame time... */
1549 retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
1550
1551 /* ...then round up to nearest multiple of 32 */
1552 retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
1553 }
1554 }
1555
1556 update_audio_latency = true;
1557 frameskip_counter = 0;
1558}
1559
1560static void update_variables(bool in_flight);
38c2028e 1561bool retro_load_game(const struct retro_game_info *info)
1562{
7a8d521f 1563 size_t i;
1564 unsigned int cd_index = 0;
1565 bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
8cddf575 1566 bool is_exe = (strcasestr(info->path, ".exe") != NULL);
1567 int ret;
9fba39a9 1568
e3f8313f 1569 struct retro_input_descriptor desc[] = {
7a8d521f 1570#define JOYP(port) \
1571 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
1572 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
1573 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
1574 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
1575 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" }, \
1576 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" }, \
1577 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" }, \
1578 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" }, \
1579 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L1" }, \
1580 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "L2" }, \
1581 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L3, "L3" }, \
1582 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R1" }, \
1583 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "R2" }, \
1584 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R3, "R3" }, \
1585 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, \
1586 { port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
1587 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Left Analog X" }, \
1588 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Left Analog Y" }, \
1589 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X, "Right Analog X" }, \
1590 { port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y, "Right Analog Y" }, \
1591 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_TRIGGER, "Gun Trigger" }, \
1592 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD, "Gun Reload" }, \
1593 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A, "Gun Aux A" }, \
d6a231b7
S		 1594 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B, "Gun Aux B" }, \
1595 { port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_START, "Gun Start" },
7a8d521f 1596
1597 JOYP(0)
1598 JOYP(1)
1599 JOYP(2)
1600 JOYP(3)
1601 JOYP(4)
1602 JOYP(5)
1603 JOYP(6)
1604 JOYP(7)
e3f8313f 1605
1606 { 0 },
1607 };
1608
7a8d521f 1609 frame_count = 0;
1610
e3f8313f 1611 environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
1612
46aa5b98 1613#ifdef FRONTEND_SUPPORTS_RGB565
7a8d521f 1614 enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
1615 if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
1616 {
1617 SysPrintf("RGB565 supported, using it\n");
1618 }
46aa5b98 1619#endif
c19aba43 1620
7a8d521f 1621 if (info == NULL || info->path == NULL)
1622 {
1623 SysPrintf("info->path required\n");
1624 return false;
1625 }
23ea11bd 1626
7a8d521f 1627 update_variables(false);
38c2028e 1628
7a8d521f 1629 if (plugins_opened)
1630 {
1631 ClosePlugins();
1632 plugins_opened = 0;
1633 }
23ea11bd 1634
7a8d521f 1635 disk_init();
9fba39a9 1636
7a8d521f 1637 extract_directory(base_dir, info->path, sizeof(base_dir));
23ea11bd 1638
7a8d521f 1639 if (is_m3u)
1640 {
1641 if (!read_m3u(info->path))
1642 {
1643 log_cb(RETRO_LOG_INFO, "failed to read m3u file\n");
1644 return false;
1645 }
1646 }
1647 else
1648 {
1649 char disk_label[PATH_MAX];
1650 disk_label[0] = '\0';
38c2028e 1651
7a8d521f 1652 disk_count = 1;
1653 disks[0].fname = strdup(info->path);
38c2028e 1654
7a8d521f 1655 get_disk_label(disk_label, info->path, PATH_MAX);
1656 disks[0].flabel = strdup(disk_label);
1657 }
38c2028e 1658
7a8d521f 1659 /* If this is an M3U file, attempt to set the
1660 * initial disk image */
1661 if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count))
1662 {
1663 const char *fname = disks[disk_initial_index].fname;
38c2028e 1664
7a8d521f 1665 if (fname && (*fname != '\0'))
1666 if (strcmp(disk_initial_path, fname) == 0)
1667 cd_index = disk_initial_index;
1668 }
38c2028e 1669
7a8d521f 1670 set_cd_image(disks[cd_index].fname);
1671 disk_current_index = cd_index;
38c2028e 1672
7a8d521f 1673 /* have to reload after set_cd_image for correct cdr plugin */
1674 if (LoadPlugins() == -1)
1675 {
1676 log_cb(RETRO_LOG_INFO, "failed to load plugins\n");
1677 return false;
1678 }
38c2028e 1679
7a8d521f 1680 plugins_opened = 1;
1681 NetOpened = 0;
38c2028e 1682
7a8d521f 1683 if (OpenPlugins() == -1)
1684 {
1685 log_cb(RETRO_LOG_INFO, "failed to open plugins\n");
1686 return false;
1687 }
23ea11bd 1688
7a8d521f 1689 /* Handle multi-disk images (i.e. PBP)
1690 * > Cannot do this until after OpenPlugins() is
1691 * called (since this sets the value of
1692 * cdrIsoMultidiskCount) */
1693 if (!is_m3u && (cdrIsoMultidiskCount > 1))
1694 {
1695 disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
38c2028e 1696
7a8d521f 1697 /* Small annoyance: We need to change the label
1698 * of disk 0, so have to clear existing entries */
1699 if (disks[0].fname != NULL)
1700 free(disks[0].fname);
1701 disks[0].fname = NULL;
38c2028e 1702
7a8d521f 1703 if (disks[0].flabel != NULL)
1704 free(disks[0].flabel);
1705 disks[0].flabel = NULL;
1706
1707 for (i = 0; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++)
1708 {
1709 char disk_name[PATH_MAX - 16] = { 0 };
1710 char disk_label[PATH_MAX] = { 0 };
1711
1712 disks[i].fname = strdup(info->path);
1713
1714 get_disk_label(disk_name, info->path, sizeof(disk_name));
1715 snprintf(disk_label, sizeof(disk_label), "%s #%u", disk_name, (unsigned)i + 1);
1716 disks[i].flabel = strdup(disk_label);
1717
1718 disks[i].internal_index = i;
1719 }
1720
1721 /* This is not an M3U file, so initial disk
1722 * image has not yet been set - attempt to
1723 * do so now */
1724 if ((disk_initial_index > 0) && (disk_initial_index < disk_count))
1725 {
1726 const char *fname = disks[disk_initial_index].fname;
1727
1728 if (fname && (*fname != '\0'))
1729 if (strcmp(disk_initial_path, fname) == 0)
1730 cd_index = disk_initial_index;
1731 }
1732
1733 if (cd_index > 0)
1734 {
1735 CdromId[0] = '\0';
1736 CdromLabel[0] = '\0';
1737
1738 cdrIsoMultidiskSelect = disks[cd_index].internal_index;
1739 disk_current_index = cd_index;
1740 set_cd_image(disks[cd_index].fname);
1741
1742 if (ReloadCdromPlugin() < 0)
1743 {
1744 log_cb(RETRO_LOG_INFO, "failed to reload cdr plugins\n");
1745 return false;
1746 }
1747 if (CDR_open() < 0)
1748 {
1749 log_cb(RETRO_LOG_INFO, "failed to open cdr plugin\n");
1750 return false;
1751 }
1752 }
1753 }
1754
1755 /* set ports to use "standard controller" initially */
1756 for (i = 0; i < 8; ++i)
1757 in_type[i] = PSE_PAD_TYPE_STANDARD;
1758
1759 plugin_call_rearmed_cbs();
1760 /* dfinput_activate(); */
1761
8cddf575 1762 if (!is_exe && CheckCdrom() == -1)
7a8d521f 1763 {
1764 log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
1765 return false;
1766 }
1767
1768 SysReset();
1769
8cddf575 1770 if (is_exe)
1771 ret = Load(info->path);
1772 else
1773 ret = LoadCdrom();
1774 if (ret != 0)
7a8d521f 1775 {
8cddf575 1776 log_cb(RETRO_LOG_INFO, "could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
7a8d521f 1777 return false;
1778 }
1779 emu_on_new_cd(0);
1780
1781 set_retro_memmap();
1782 retro_set_audio_buff_status_cb();
1783
1784 return true;
38c2028e 1785}
1786
1787unsigned retro_get_region(void)
1788{
7a8d521f 1789 return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
38c2028e 1790}
1791
1792void *retro_get_memory_data(unsigned id)
1793{
7a8d521f 1794 if (id == RETRO_MEMORY_SAVE_RAM)
1795 return Mcd1Data;
1796 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1797 return psxM;
1798 else
1799 return NULL;
38c2028e 1800}
1801
1802size_t retro_get_memory_size(unsigned id)
1803{
7a8d521f 1804 if (id == RETRO_MEMORY_SAVE_RAM)
1805 return MCD_SIZE;
1806 else if (id == RETRO_MEMORY_SYSTEM_RAM)
1807 return 0x200000;
1808 else
1809 return 0;
38c2028e 1810}
1811
1812void retro_reset(void)
1813{
7a8d521f 1814 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
1815 rebootemu = 1;
1816 //SysReset();
38c2028e 1817}
1818
1819static const unsigned short retro_psx_map[] = {
7a8d521f 1820 [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS,
1821 [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE,
1822 [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT,
1823 [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START,
1824 [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP,
1825 [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN,
1826 [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT,
1827 [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT,
1828 [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE,
1829 [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE,
1830 [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1,
1831 [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1,
1832 [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2,
1833 [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2,
1834 [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3,
1835 [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3,
38c2028e 1836};
1837#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
1838
d6a231b7 1839//Percentage distance of screen to adjust for Guncon
7a8d521f 1840static int GunconAdjustX = 0;
1841static int GunconAdjustY = 0;
1842
d6a231b7 1843//Used when out by a percentage with Guncon
7a8d521f 1844static float GunconAdjustRatioX = 1;
1845static float GunconAdjustRatioY = 1;
1846
805fe9bc 1847static void update_variables(bool in_flight)
e268a47e 1848{
e268a47e 1849 struct retro_variable var;
7a8d521f 1850#ifdef GPU_PEOPS
1851 // Always enable GPU_PEOPS_OLD_FRAME_SKIP flag
1852 // (this is set in standalone, with no option
1853 // to change it)
1854 int gpu_peops_fix = GPU_PEOPS_OLD_FRAME_SKIP;
1855#endif
1856 frameskip_type_t prev_frameskip_type;
1857
1858 var.value = NULL;
1859 var.key = "pcsx_rearmed_frameskip_type";
1860
1861 prev_frameskip_type = frameskip_type;
1862 frameskip_type = FRAMESKIP_NONE;
1863 pl_rearmed_cbs.frameskip = 0;
1864
1865 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1866 {
1867 if (strcmp(var.value, "auto") == 0)
1868 frameskip_type = FRAMESKIP_AUTO;
1869 if (strcmp(var.value, "auto_threshold") == 0)
1870 frameskip_type = FRAMESKIP_AUTO_THRESHOLD;
1871 if (strcmp(var.value, "fixed_interval") == 0)
1872 frameskip_type = FRAMESKIP_FIXED_INTERVAL;
1873 }
1874
1875 if (frameskip_type != 0)
1876 pl_rearmed_cbs.frameskip = -1;
7d68d030 1877
e268a47e 1878 var.value = NULL;
7a8d521f 1879 var.key = "pcsx_rearmed_frameskip_threshold";
1880 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1881 {
1882 frameskip_threshold = strtol(var.value, NULL, 10);
1883 }
e268a47e 1884
7a8d521f 1885 var.value = NULL;
1886 var.key = "pcsx_rearmed_frameskip_interval";
1887 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1888 {
1889 frameskip_interval = strtol(var.value, NULL, 10);
1890 }
9f5a28d9 1891
1892 var.value = NULL;
4e477065 1893 var.key = "pcsx_rearmed_region";
7a8d521f 1894 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 1895 {
1896 Config.PsxAuto = 0;
7a8d521f 1897 if (strcmp(var.value, "auto") == 0)
9f5a28d9 1898 Config.PsxAuto = 1;
1899 else if (strcmp(var.value, "NTSC") == 0)
1900 Config.PsxType = 0;
1901 else if (strcmp(var.value, "PAL") == 0)
1902 Config.PsxType = 1;
1903 }
4615b075 1904
7a8d521f 1905 update_multitap();
1906
4615b075 1907 var.value = NULL;
7a8d521f 1908 var.key = "pcsx_rearmed_negcon_deadzone";
1909 negcon_deadzone = 0;
1910 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1911 {
1912 negcon_deadzone = (int)(atoi(var.value) * 0.01f * NEGCON_RANGE);
1913 }
4615b075 1914
7a8d521f 1915 var.value = NULL;
1916 var.key = "pcsx_rearmed_negcon_response";
1917 negcon_linearity = 1;
1918 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4615b075 1919 {
7a8d521f 1920 if (strcmp(var.value, "quadratic") == 0)
1921 {
1922 negcon_linearity = 2;
1923 }
1924 else if (strcmp(var.value, "cubic") == 0)
1925 {
1926 negcon_linearity = 3;
1927 }
1928 }
1929
1930 var.value = NULL;
1931 var.key = "pcsx_rearmed_analog_axis_modifier";
1932 axis_bounds_modifier = true;
1933 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1934 {
1935 if (strcmp(var.value, "square") == 0)
1936 {
1937 axis_bounds_modifier = true;
1938 }
1939 else if (strcmp(var.value, "circle") == 0)
1940 {
1941 axis_bounds_modifier = false;
1942 }
1943 }
1944
1945 var.value = NULL;
1946 var.key = "pcsx_rearmed_vibration";
1947
1948 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
1949 {
1950 if (strcmp(var.value, "disabled") == 0)
1951 in_enable_vibration = 0;
1952 else if (strcmp(var.value, "enabled") == 0)
1953 in_enable_vibration = 1;
4615b075 1954 }
1955
4e477065 1956 var.value = NULL;
7a8d521f 1957 var.key = "pcsx_rearmed_dithering";
4e477065 1958
7a8d521f 1959 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
4e477065 1960 {
7a8d521f 1961 if (strcmp(var.value, "disabled") == 0)
1962 {
1963 pl_rearmed_cbs.gpu_peops.iUseDither = 0;
1964 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
1965 pl_rearmed_cbs.gpu_unai.dithering = 0;
1966#ifdef GPU_NEON
1967 pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
1968#endif
1969 }
1970 else if (strcmp(var.value, "enabled") == 0)
1971 {
1972 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
1973 pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
1974 pl_rearmed_cbs.gpu_unai.dithering = 1;
1975#ifdef GPU_NEON
1976 pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
1977#endif
1978 }
4e477065 1979 }
1980
7a8d521f 1981#ifdef GPU_NEON
1982 var.value = NULL;
fdcde643 1983 var.key = "pcsx_rearmed_neon_interlace_enable_v2";
9f5a28d9 1984
7a8d521f 1985 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
9f5a28d9 1986 {
1987 if (strcmp(var.value, "disabled") == 0)
1988 pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
1989 else if (strcmp(var.value, "enabled") == 0)
1990 pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
fdcde643 1991 else // auto
1992 pl_rearmed_cbs.gpu_neon.allow_interlace = 2;
9f5a28d9 1993 }
1994
7d68d030 1995 var.value = NULL;
55e5626b 1996 var.key = "pcsx_rearmed_neon_enhancement_enable";
7d68d030 1997
7a8d521f 1998 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
7d68d030 1999 {
2000 if (strcmp(var.value, "disabled") == 0)
2001 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
2002 else if (strcmp(var.value, "enabled") == 0)
2003 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
2004 }
354329fa 2005
2006 var.value = NULL;
55e5626b 2007 var.key = "pcsx_rearmed_neon_enhancement_no_main";
354329fa 2008
7a8d521f 2009 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
354329fa 2010 {
2011 if (strcmp(var.value, "disabled") == 0)
2012 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
2013 else if (strcmp(var.value, "enabled") == 0)
2014 pl_rearmed_cbs.gpu_neon.enhancement_no_main = 1;
2015 }
094ec204 2016#endif
0e5a7b7d 2017
7a8d521f 2018 var.value = NULL;
0e5a7b7d 2019 var.key = "pcsx_rearmed_duping_enable";
2020
7a8d521f 2021 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
0e5a7b7d 2022 {
7a8d521f 2023 if (strcmp(var.value, "disabled") == 0)
0e5a7b7d 2024 duping_enable = false;
7a8d521f 2025 else if (strcmp(var.value, "enabled") == 0)
0e5a7b7d 2026 duping_enable = true;
2027 }
2028
7a8d521f 2029 var.value = NULL;
2030 var.key = "pcsx_rearmed_display_internal_fps";
2031
2032 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2033 {
2034 if (strcmp(var.value, "disabled") == 0)
2035 display_internal_fps = false;
2036 else if (strcmp(var.value, "enabled") == 0)
2037 display_internal_fps = true;
2038 }
2039
2040 //
2041 // CPU emulation related config
48f615ba 2042#ifndef DRC_DISABLE
2043 var.value = NULL;
4e477065 2044 var.key = "pcsx_rearmed_drc";
48f615ba 2045
7a8d521f 2046 if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
2047 var.value = "enabled";
2048
48f615ba 2049 {
2050 R3000Acpu *prev_cpu = psxCpu;
2051
7a8d521f 2052#ifdef _3DS
2053 if (!__ctr_svchax)
2054 Config.Cpu = CPU_INTERPRETER;
2055 else
2056#endif
1da9b9ae 2057 if (strcmp(var.value, "disabled") == 0)
48f615ba 2058 Config.Cpu = CPU_INTERPRETER;
2059 else if (strcmp(var.value, "enabled") == 0)
2060 Config.Cpu = CPU_DYNAREC;
2061
2062 psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
7a8d521f 2063 if (psxCpu != prev_cpu)
2064 {
980f7a58 2065 prev_cpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
48f615ba 2066 prev_cpu->Shutdown();
2067 psxCpu->Init();
980f7a58 2068 psxCpu->Reset();
2069 psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
48f615ba 2070 }
2071 }
7a8d521f 2072#endif /* !DRC_DISABLE */
2073
2074 var.value = NULL;
2075 var.key = "pcsx_rearmed_psxclock";
2076 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2077 {
2078 int psxclock = atoi(var.value);
2079 Config.cycle_multiplier = 10000 / psxclock;
2080 }
2081
2082#if !defined(DRC_DISABLE) && !defined(LIGHTREC)
2083 var.value = NULL;
2084 var.key = "pcsx_rearmed_nosmccheck";
2085 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2086 {
2087 if (strcmp(var.value, "enabled") == 0)
2088 new_dynarec_hacks |= NDHACK_NO_SMC_CHECK;
2089 else
2090 new_dynarec_hacks &= ~NDHACK_NO_SMC_CHECK;
2091 }
2092
2093 var.value = NULL;
2094 var.key = "pcsx_rearmed_gteregsunneeded";
2095 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2096 {
2097 if (strcmp(var.value, "enabled") == 0)
2098 new_dynarec_hacks |= NDHACK_GTE_UNNEEDED;
2099 else
2100 new_dynarec_hacks &= ~NDHACK_GTE_UNNEEDED;
2101 }
2102
2103 var.value = NULL;
2104 var.key = "pcsx_rearmed_nogteflags";
2105 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2106 {
2107 if (strcmp(var.value, "enabled") == 0)
2108 new_dynarec_hacks |= NDHACK_GTE_NO_FLAGS;
2109 else
2110 new_dynarec_hacks &= ~NDHACK_GTE_NO_FLAGS;
2111 }
2112
2113 var.value = NULL;
2114 var.key = "pcsx_rearmed_nocompathacks";
2115 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2116 {
2117 if (strcmp(var.value, "enabled") == 0)
2118 new_dynarec_hacks |= NDHACK_NO_COMPAT_HACKS;
2119 else
2120 new_dynarec_hacks &= ~NDHACK_NO_COMPAT_HACKS;
2121 }
2122#endif /* !DRC_DISABLE && !LIGHTREC */
2123
2124 var.value = NULL;
2125 var.key = "pcsx_rearmed_nostalls";
2126 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2127 {
2128 if (strcmp(var.value, "enabled") == 0)
2129 Config.DisableStalls = 1;
2130 else
2131 Config.DisableStalls = 0;
2132 }
2133
2134 var.value = NULL;
2135 var.key = "pcsx_rearmed_icache_emulation";
2136 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2137 {
2138 if (strcmp(var.value, "disabled") == 0)
2139 Config.icache_emulation = 0;
2140 else if (strcmp(var.value, "enabled") == 0)
2141 Config.icache_emulation = 1;
2142 }
2143
bc7c5acb 2144 var.value = NULL;
2145 var.key = "pcsx_rearmed_exception_emulation";
2146 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2147 {
2148 if (strcmp(var.value, "enabled") == 0)
2149 Config.PreciseExceptions = 1;
2150 else
2151 Config.PreciseExceptions = 0;
2152 }
2153
32631e6a 2154 psxCpu->ApplyConfig();
805fe9bc 2155
7a8d521f 2156 // end of CPU emu config
2157 //
2158
2159 var.value = NULL;
01394a7f 2160 var.key = "pcsx_rearmed_spu_reverb";
2161
7a8d521f 2162 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2163 {
7a8d521f 2164 if (strcmp(var.value, "disabled") == 0)
01394a7f 2165 spu_config.iUseReverb = false;
7a8d521f 2166 else if (strcmp(var.value, "enabled") == 0)
01394a7f 2167 spu_config.iUseReverb = true;
2168 }
2169
7a8d521f 2170 var.value = NULL;
01394a7f 2171 var.key = "pcsx_rearmed_spu_interpolation";
2172
7a8d521f 2173 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
01394a7f 2174 {
2175 if (strcmp(var.value, "simple") == 0)
2176 spu_config.iUseInterpolation = 1;
2177 else if (strcmp(var.value, "gaussian") == 0)
2178 spu_config.iUseInterpolation = 2;
2179 else if (strcmp(var.value, "cubic") == 0)
2180 spu_config.iUseInterpolation = 3;
2181 else if (strcmp(var.value, "off") == 0)
2182 spu_config.iUseInterpolation = 0;
2183 }
2184
16809ab9 2185 var.value = NULL;
2186 var.key = "pcsx_rearmed_spu_thread";
2187 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2188 {
2189 if (strcmp(var.value, "enabled") == 0)
2190 spu_config.iUseThread = 1;
2191 else
2192 spu_config.iUseThread = 0;
2193 }
2194
9165d434 2195 if (P_HAVE_PTHREAD) {
f28d12a7
PC		 2196 var.value = NULL;
2197 var.key = "pcsx_rearmed_async_cd";
2198 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2199 {
2200 if (strcmp(var.value, "async") == 0)
2201 {
2202 Config.AsyncCD = 1;
2203 Config.CHD_Precache = 0;
2204 }
2205 else if (strcmp(var.value, "sync") == 0)
2206 {
2207 Config.AsyncCD = 0;
2208 Config.CHD_Precache = 0;
2209 }
2210 else if (strcmp(var.value, "precache") == 0)
2211 {
2212 Config.AsyncCD = 0;
2213 Config.CHD_Precache = 1;
2214 }
2215 }
7a8d521f 2216 }
7a8d521f 2217
2218 var.value = NULL;
2219 var.key = "pcsx_rearmed_noxadecoding";
2220 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2221 {
2222 if (strcmp(var.value, "disabled") == 0)
2223 Config.Xa = 1;
2224 else
2225 Config.Xa = 0;
2226 }
2227
2228 var.value = NULL;
2229 var.key = "pcsx_rearmed_nocdaudio";
2230 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2231 {
2232 if (strcmp(var.value, "disabled") == 0)
2233 Config.Cdda = 1;
2234 else
2235 Config.Cdda = 0;
2236 }
2237
8c84ba5f 2238 var.value = NULL;
2239 var.key = "pcsx_rearmed_gpu_slow_llists";
2240 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2241 {
2242 if (strcmp(var.value, "disabled") == 0)
308c6e67 2243 Config.GpuListWalking = 0;
8c84ba5f 2244 else if (strcmp(var.value, "enabled") == 0)
308c6e67 2245 Config.GpuListWalking = 1;
8c84ba5f 2246 else // auto
308c6e67 2247 Config.GpuListWalking = -1;
2248 }
2249
2250 var.value = NULL;
2251 var.key = "pcsx_rearmed_screen_centering";
2252 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2253 {
2254 if (strcmp(var.value, "game") == 0)
2255 pl_rearmed_cbs.screen_centering_type = 1;
2256 else if (strcmp(var.value, "manual") == 0)
2257 pl_rearmed_cbs.screen_centering_type = 2;
2258 else // auto
2259 pl_rearmed_cbs.screen_centering_type = 0;
2260 }
2261
2262 var.value = NULL;
2263 var.key = "pcsx_rearmed_screen_centering_x";
2264 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2265 {
2266 pl_rearmed_cbs.screen_centering_x = atoi(var.value);
2267 }
2268
2269 var.value = NULL;
2270 var.key = "pcsx_rearmed_screen_centering_y";
2271 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2272 {
2273 pl_rearmed_cbs.screen_centering_y = atoi(var.value);
8c84ba5f 2274 }
2275
7a8d521f 2276#ifdef THREAD_RENDERING
2277 var.key = "pcsx_rearmed_gpu_thread_rendering";
2278 var.value = NULL;
2279
2280 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2281 {
2282 if (strcmp(var.value, "disabled") == 0)
2283 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_OFF;
2284 else if (strcmp(var.value, "sync") == 0)
2285 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_SYNC;
2286 else if (strcmp(var.value, "async") == 0)
2287 pl_rearmed_cbs.thread_rendering = THREAD_RENDERING_ASYNC;
2288 }
2289#endif
2290
2291#ifdef GPU_PEOPS
2292 var.value = NULL;
2293 var.key = "pcsx_rearmed_gpu_peops_odd_even_bit";
2294
2295 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2296 {
2297 if (strcmp(var.value, "enabled") == 0)
2298 gpu_peops_fix |= GPU_PEOPS_ODD_EVEN_BIT;
2299 }
2300
2301 var.value = NULL;
2302 var.key = "pcsx_rearmed_gpu_peops_expand_screen_width";
2303
2304 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2305 {
2306 if (strcmp(var.value, "enabled") == 0)
2307 gpu_peops_fix |= GPU_PEOPS_EXPAND_SCREEN_WIDTH;
2308 }
2309
2310 var.value = NULL;
2311 var.key = "pcsx_rearmed_gpu_peops_ignore_brightness";
2312
2313 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2314 {
2315 if (strcmp(var.value, "enabled") == 0)
2316 gpu_peops_fix |= GPU_PEOPS_IGNORE_BRIGHTNESS;
2317 }
2318
2319 var.value = NULL;
2320 var.key = "pcsx_rearmed_gpu_peops_disable_coord_check";
2321
2322 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2323 {
2324 if (strcmp(var.value, "enabled") == 0)
2325 gpu_peops_fix |= GPU_PEOPS_DISABLE_COORD_CHECK;
2326 }
2327
2328 var.value = NULL;
2329 var.key = "pcsx_rearmed_gpu_peops_lazy_screen_update";
2330
2331 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2332 {
2333 if (strcmp(var.value, "enabled") == 0)
2334 gpu_peops_fix |= GPU_PEOPS_LAZY_SCREEN_UPDATE;
2335 }
2336
2337 var.value = NULL;
2338 var.key = "pcsx_rearmed_gpu_peops_repeated_triangles";
2339
2340 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2341 {
2342 if (strcmp(var.value, "enabled") == 0)
2343 gpu_peops_fix |= GPU_PEOPS_REPEATED_TRIANGLES;
2344 }
2345
2346 var.value = NULL;
2347 var.key = "pcsx_rearmed_gpu_peops_quads_with_triangles";
2348
2349 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2350 {
2351 if (strcmp(var.value, "enabled") == 0)
2352 gpu_peops_fix |= GPU_PEOPS_QUADS_WITH_TRIANGLES;
2353 }
2354
2355 var.value = NULL;
2356 var.key = "pcsx_rearmed_gpu_peops_fake_busy_state";
2357
2358 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2359 {
2360 if (strcmp(var.value, "enabled") == 0)
2361 gpu_peops_fix |= GPU_PEOPS_FAKE_BUSY_STATE;
2362 }
2363
2364 if (pl_rearmed_cbs.gpu_peops.dwActFixes != gpu_peops_fix)
2365 pl_rearmed_cbs.gpu_peops.dwActFixes = gpu_peops_fix;
2366#endif
2367
2368#ifdef GPU_UNAI
2369 /* Note: This used to be an option, but it only works
2370 * (correctly) when running high resolution games
2371 * (480i, 512i) and has been obsoleted by
2372 * pcsx_rearmed_gpu_unai_scale_hires */
2373 pl_rearmed_cbs.gpu_unai.ilace_force = 0;
2374 /* Note: This used to be an option, but it has no
2375 * discernable effect and has been obsoleted by
2376 * pcsx_rearmed_gpu_unai_scale_hires */
2377 pl_rearmed_cbs.gpu_unai.pixel_skip = 0;
2378
2379 var.key = "pcsx_rearmed_gpu_unai_lighting";
2380 var.value = NULL;
2381
2382 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2383 {
2384 if (strcmp(var.value, "disabled") == 0)
2385 pl_rearmed_cbs.gpu_unai.lighting = 0;
2386 else if (strcmp(var.value, "enabled") == 0)
2387 pl_rearmed_cbs.gpu_unai.lighting = 1;
2388 }
2389
2390 var.key = "pcsx_rearmed_gpu_unai_fast_lighting";
2391 var.value = NULL;
2392
2393 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2394 {
2395 if (strcmp(var.value, "disabled") == 0)
2396 pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
2397 else if (strcmp(var.value, "enabled") == 0)
2398 pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
2399 }
2400
2401 var.key = "pcsx_rearmed_gpu_unai_blending";
2402 var.value = NULL;
2403
2404 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2405 {
2406 if (strcmp(var.value, "disabled") == 0)
2407 pl_rearmed_cbs.gpu_unai.blending = 0;
2408 else if (strcmp(var.value, "enabled") == 0)
2409 pl_rearmed_cbs.gpu_unai.blending = 1;
2410 }
2411
2412 var.key = "pcsx_rearmed_gpu_unai_scale_hires";
2413 var.value = NULL;
2414
2415 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2416 {
2417 if (strcmp(var.value, "disabled") == 0)
2418 pl_rearmed_cbs.gpu_unai.scale_hires = 0;
2419 else if (strcmp(var.value, "enabled") == 0)
2420 pl_rearmed_cbs.gpu_unai.scale_hires = 1;
2421 }
2422#endif // GPU_UNAI
2423
d6a231b7
S		 2424 var.value = NULL;
2425 var.key = "pcsx_rearmed_crosshair1";
2426
2427 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2428 {
2429 if (strcmp(var.value, "disabled") == 0)
2430 in_enable_crosshair[0] = 0;
2431 else if (strcmp(var.value, "blue") == 0)
2432 in_enable_crosshair[0] = 0x1F;
2433 else if (strcmp(var.value, "green") == 0)
2434 in_enable_crosshair[0] = 0x7E0;
2435 else if (strcmp(var.value, "red") == 0)
2436 in_enable_crosshair[0] = 0xF800;
2437 else if (strcmp(var.value, "white") == 0)
2438 in_enable_crosshair[0] = 0xFFFF;
2439 }
2440
2441 var.value = NULL;
2442 var.key = "pcsx_rearmed_crosshair2";
2443
2444 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2445 {
2446 if (strcmp(var.value, "disabled") == 0)
2447 in_enable_crosshair[1] = 0;
2448 else if (strcmp(var.value, "blue") == 0)
2449 in_enable_crosshair[1] = 0x1F;
2450 else if (strcmp(var.value, "green") == 0)
2451 in_enable_crosshair[1] = 0x7E0;
2452 else if (strcmp(var.value, "red") == 0)
2453 in_enable_crosshair[1] = 0xF800;
2454 else if (strcmp(var.value, "white") == 0)
2455 in_enable_crosshair[1] = 0xFFFF;
2456 }
2457
7a8d521f 2458 //This adjustment process gives the user the ability to manually align the mouse up better
2459 //with where the shots are in the emulator.
2460
d6a231b7
S		 2461 var.value = NULL;
2462 var.key = "pcsx_rearmed_konamigunadjustx";
2463
2464 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2465 {
2466 KonamiGunAdjustX = atof(var.value) / 100.0f;
2467 }
2468
2469 var.value = NULL;
2470 var.key = "pcsx_rearmed_konamigunadjusty";
2471
2472 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2473 {
2474 KonamiGunAdjustY = atof(var.value) / 100.0f;
2475 }
2476
7a8d521f 2477 var.value = NULL;
2478 var.key = "pcsx_rearmed_gunconadjustx";
2479
2480 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2481 {
2482 GunconAdjustX = atoi(var.value);
2483 }
2484
2485 var.value = NULL;
2486 var.key = "pcsx_rearmed_gunconadjusty";
2487
2488 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2489 {
2490 GunconAdjustY = atoi(var.value);
2491 }
2492
2493 var.value = NULL;
2494 var.key = "pcsx_rearmed_gunconadjustratiox";
2495
2496 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2497 {
2498 GunconAdjustRatioX = atof(var.value);
2499 }
2500
2501 var.value = NULL;
2502 var.key = "pcsx_rearmed_gunconadjustratioy";
2503
2504 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2505 {
2506 GunconAdjustRatioY = atof(var.value);
2507 }
2508
2509 var.value = NULL;
2510 var.key = "pcsx_rearmed_input_sensitivity";
2511 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2512 {
2513 mouse_sensitivity = atof(var.value);
2514 }
2515
2516 if (in_flight)
2517 {
32ab9e53
TJ		 2518 // inform core things about possible config changes
2519 plugin_call_rearmed_cbs();
805fe9bc 2520
7a8d521f 2521 if (GPU_open != NULL && GPU_close != NULL)
2522 {
32ab9e53
TJ		 2523 GPU_close();
2524 GPU_open(&gpuDisp, "PCSX", NULL);
2525 }
805fe9bc 2526
7a8d521f 2527 /* Reinitialise frameskipping, if required */
2528 if (((frameskip_type != prev_frameskip_type)))
2529 retro_set_audio_buff_status_cb();
2530
2531 /* dfinput_activate(); */
32ab9e53 2532 }
7a8d521f 2533 else
2534 {
2535 //not yet running
2536
2537 //bootlogo display hack
2538 if (found_bios)
2539 {
2540 var.value = NULL;
2541 var.key = "pcsx_rearmed_show_bios_bootlogo";
2542 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
2543 {
2544 Config.SlowBoot = 0;
2545 rebootemu = 0;
2546 if (strcmp(var.value, "enabled") == 0)
2547 {
2548 Config.SlowBoot = 1;
2549 rebootemu = 1;
2550 }
2551 }
2552 }
2553 }
2554
2555 update_option_visibility();
e268a47e 2556}
2557
7a8d521f 2558// Taken from beetle-psx-libretro
2559static uint16_t get_analog_button(int16_t ret, retro_input_state_t input_state_cb, int player_index, int id)
38c2028e 2560{
7a8d521f 2561 // NOTE: Analog buttons were added Nov 2017. Not all front-ends support this
2562 // feature (or pre-date it) so we need to handle this in a graceful way.
2563
2564 // First, try and get an analog value using the new libretro API constant
2565 uint16_t button = input_state_cb(player_index,
2566 RETRO_DEVICE_ANALOG,
2567 RETRO_DEVICE_INDEX_ANALOG_BUTTON,
2568 id);
2569 button = MIN(button / 128, 255);
38c2028e 2570
7a8d521f 2571 if (button == 0)
2572 {
2573 // If we got exactly zero, we're either not pressing the button, or the front-end
2574 // is not reporting analog values. We need to do a second check using the classic
2575 // digital API method, to at least get some response - better than nothing.
e268a47e 2576
7a8d521f 2577 // NOTE: If we're really just not holding the button, we're still going to get zero.
e268a47e 2578
7a8d521f 2579 button = (ret & (1 << id)) ? 255 : 0;
2580 }
38c2028e 2581
7a8d521f 2582 return button;
2583}
4615b075 2584
7a8d521f 2585unsigned char axis_range_modifier(int16_t axis_value, bool is_square)
2586{
2587 float modifier_axis_range = 0;
2588
2589 if (is_square)
2590 {
2591 modifier_axis_range = round((axis_value >> 8) / 0.785) + 128;
2592 if (modifier_axis_range < 0)
2593 {
2594 modifier_axis_range = 0;
2595 }
2596 else if (modifier_axis_range > 255)
2597 {
2598 modifier_axis_range = 255;
2599 }
2600 }
2601 else
2602 {
2603 modifier_axis_range = MIN(((axis_value >> 8) + 128), 255);
2604 }
38c2028e 2605
7a8d521f 2606 return modifier_axis_range;
38c2028e 2607}
2608
7a8d521f 2609static void update_input_guncon(int port, int ret)
74ebc05b 2610{
7a8d521f 2611 //ToDo:
7a8d521f 2612 //Separate pointer and lightgun control types
2613
2614 //Mouse range is -32767 -> 32767
2615 //1% is about 655
2616 //Use the left analog stick field to store the absolute coordinates
2db412ad 2617
2618 int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
2619 int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
2620
2621 //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
2622 //Offscreen value is chosen to be well out of range of any possible scaling done via core options
7a8d521f 2623 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))
2624 {
f6eb0b1c 2625 in_analog_left[port][0] = 65536;
2626 in_analog_left[port][1] = 65536;
7a8d521f 2627 }
2628 else
2629 {
f6eb0b1c 2630 in_analog_left[port][0] = ((gunx * GunconAdjustRatioX) + (GunconAdjustX * 655)) / 64 + 512;
2631 in_analog_left[port][1] = ((guny * GunconAdjustRatioY) + (GunconAdjustY * 655)) / 64 + 512;
7a8d521f 2632 }
2633
2634 //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
74ebc05b 2635
7a8d521f 2636 // Trigger
2637 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))
2638 in_keystate[port] |= (1 << DKEY_CIRCLE);
74ebc05b 2639
7a8d521f 2640 // A
2641 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
2642 in_keystate[port] |= (1 << DKEY_START);
74ebc05b 2643
7a8d521f 2644 // B
2645 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_B))
2646 in_keystate[port] |= (1 << DKEY_CROSS);
2647
2648}
74ebc05b 2649
d6a231b7
S		 2650static void update_input_justifier(int port, int ret)
2651{
2652 //ToDo:
2653 //Separate pointer and lightgun control types
2654
2655 //RetroArch lightgun range is -32767 -> 32767 on both axes (positive Y is down)
2656
2657 //JUSTIFIER has 3 controls, Trigger,Special,Start which equal Square,Cross,Start
2658
2659 // Trigger
2660 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))
2661 in_keystate[port] |= (1 << DKEY_SQUARE);
2662
2663 // Special
2664 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_AUX_A))
2665 in_keystate[port] |= (1 << DKEY_CROSS);
2666
2667 // Start
2668 if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_START))
2669 in_keystate[port] |= (1 << DKEY_START);
2670
2671}
2672
7a8d521f 2673static void update_input_negcon(int port, int ret)
2674{
2675 int lsx;
2676 int rsy;
2677 int negcon_i_rs;
2678 int negcon_ii_rs;
2679 float negcon_twist_amplitude;
2680
2681 // Query digital inputs
2682 //
2683 // > Pad-Up
2684 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_UP))
2685 in_keystate[port] |= (1 << DKEY_UP);
2686 // > Pad-Right
2687 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT))
2688 in_keystate[port] |= (1 << DKEY_RIGHT);
2689 // > Pad-Down
2690 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN))
2691 in_keystate[port] |= (1 << DKEY_DOWN);
2692 // > Pad-Left
2693 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_LEFT))
2694 in_keystate[port] |= (1 << DKEY_LEFT);
2695 // > Start
2696 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_START))
2697 in_keystate[port] |= (1 << DKEY_START);
2698 // > neGcon A
2699 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_A))
2700 in_keystate[port] |= (1 << DKEY_CIRCLE);
2701 // > neGcon B
2702 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_X))
2703 in_keystate[port] |= (1 << DKEY_TRIANGLE);
2704 // > neGcon R shoulder (digital)
2705 if (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R))
2706 in_keystate[port] |= (1 << DKEY_R1);
2707 // Query analog inputs
2708 //
2709 // From studying 'libpcsxcore/plugins.c' and 'frontend/plugin.c':
2710 // >> pad->leftJoyX == in_analog_left[port][0] == NeGcon II
2711 // >> pad->leftJoyY == in_analog_left[port][1] == NeGcon L
2712 // >> pad->rightJoyX == in_analog_right[port][0] == NeGcon twist
2713 // >> pad->rightJoyY == in_analog_right[port][1] == NeGcon I
2714 // So we just have to map in_analog_left/right to more
2715 // appropriate inputs...
2716 //
2717 // > NeGcon twist
2718 // >> Get raw analog stick value and account for deadzone
2719 lsx = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X);
2720 if (lsx > negcon_deadzone)
2721 lsx = lsx - negcon_deadzone;
2722 else if (lsx < -negcon_deadzone)
2723 lsx = lsx + negcon_deadzone;
2724 else
2725 lsx = 0;
2726 // >> Convert to an 'amplitude' [-1.0,1.0] and adjust response
2727 negcon_twist_amplitude = (float)lsx / (float)(NEGCON_RANGE - negcon_deadzone);
2728 if (negcon_linearity == 2)
2729 {
2730 if (negcon_twist_amplitude < 0.0)
2731 negcon_twist_amplitude = -(negcon_twist_amplitude * negcon_twist_amplitude);
2732 else
2733 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude;
2734 }
2735 else if (negcon_linearity == 3)
2736 negcon_twist_amplitude = negcon_twist_amplitude * negcon_twist_amplitude * negcon_twist_amplitude;
2737 // >> Convert to final 'in_analog' integer value [0,255]
2738 in_analog_right[port][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
2739 // > NeGcon I + II
2740 // >> Handle right analog stick vertical axis mapping...
2741 // - Up (-Y) == accelerate == neGcon I
2742 // - Down (+Y) == brake == neGcon II
2743 negcon_i_rs = 0;
2744 negcon_ii_rs = 0;
2745 rsy = input_state_cb(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
2746 if (rsy >= 0)
2747 {
2748 // Account for deadzone
2749 // (Note: have never encountered a gamepad with significant differences
2750 // in deadzone between left/right analog sticks, so use the regular 'twist'
2751 // deadzone here)
2752 if (rsy > negcon_deadzone)
2753 rsy = rsy - negcon_deadzone;
2754 else
2755 rsy = 0;
2756 // Convert to 'in_analog' integer value [0,255]
2757 negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2758 }
2759 else
2760 {
2761 if (rsy < -negcon_deadzone)
2762 rsy = -1 * (rsy + negcon_deadzone);
2763 else
2764 rsy = 0;
2765 negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
2766 }
2767 // >> NeGcon I
2768 in_analog_right[port][1] = MAX(
2769 MAX(
2770 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_R2),
2771 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_B)),
2772 negcon_i_rs);
2773 // >> NeGcon II
2774 in_analog_left[port][0] = MAX(
2775 MAX(
2776 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L2),
2777 get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_Y)),
2778 negcon_ii_rs);
2779 // > NeGcon L
2780 in_analog_left[port][1] = get_analog_button(ret, input_state_cb, port, RETRO_DEVICE_ID_JOYPAD_L);
2781}
2782
2783static void update_input_mouse(int port, int ret)
2784{
2785 float raw_x = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
2786 float raw_y = input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
2787
2788 int x = (int)roundf(raw_x * mouse_sensitivity);
2789 int y = (int)roundf(raw_y * mouse_sensitivity);
2790
2791 if (x > 127) x = 127;
2792 else if (x < -128) x = -128;
2793
2794 if (y > 127) y = 127;
2795 else if (y < -128) y = -128;
2796
2797 in_mouse[port][0] = x; /* -128..+128 left/right movement, 0 = no movement */
2798 in_mouse[port][1] = y; /* -128..+128 down/up movement, 0 = no movement */
2799
2800 /* left mouse button state */
2801 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT))
2802 in_keystate[port] |= 1 << 11;
2803
2804 /* right mouse button state */
2805 if (input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT))
2806 in_keystate[port] |= 1 << 10;
74ebc05b 2807}
2808
7a8d521f 2809static void update_input(void)
2810{
2811 // reset all keystate, query libretro for keystate
2812 int i;
2813 int j;
2814
2815 for (i = 0; i < PORTS_NUMBER; i++)
2816 {
2817 int16_t ret = 0;
2818 int type = in_type[i];
2819
2820 in_keystate[i] = 0;
2821
2822 if (type == PSE_PAD_TYPE_NONE)
2823 continue;
2824
2825 if (libretro_supports_bitmasks)
2826 ret = input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK);
2827 else
2828 {
2829 for (j = 0; j < (RETRO_DEVICE_ID_JOYPAD_R3 + 1); j++)
2830 {
2831 if (input_state_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
2832 ret |= (1 << j);
2833 }
2834 }
2835
2836 switch (type)
2837 {
2838 case PSE_PAD_TYPE_GUNCON:
2839 update_input_guncon(i, ret);
2840 break;
d6a231b7
S		 2841 case PSE_PAD_TYPE_GUN:
2842 update_input_justifier(i, ret);
2843 break;
7a8d521f 2844 case PSE_PAD_TYPE_NEGCON:
2845 update_input_negcon(i, ret);
2846 break;
2847 case PSE_PAD_TYPE_MOUSE:
2848 update_input_mouse(i, ret);
2849 break;
2850 default:
2851 // Query digital inputs
2852 for (j = 0; j < RETRO_PSX_MAP_LEN; j++)
2853 if (ret & (1 << j))
2854 in_keystate[i] |= retro_psx_map[j];
2855
2856 // Query analog inputs
2857 if (type == PSE_PAD_TYPE_ANALOGJOY || type == PSE_PAD_TYPE_ANALOGPAD)
2858 {
2859 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);
2860 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);
2861 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);
2862 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);
2863 }
2864 }
2865 }
2866}
2867
2868static void print_internal_fps(void)
2869{
2870 if (display_internal_fps)
2871 {
2872 frame_count++;
2873
2874 if (frame_count % INTERNAL_FPS_SAMPLE_PERIOD == 0)
2875 {
2876 unsigned internal_fps = pl_rearmed_cbs.flip_cnt * (is_pal_mode ? 50 : 60) / INTERNAL_FPS_SAMPLE_PERIOD;
2877 char str[64];
2878 const char *strc = (const char *)str;
2879
2880 str[0] = '\0';
2881
2882 snprintf(str, sizeof(str), "Internal FPS: %2d", internal_fps);
2883
2884 pl_rearmed_cbs.flip_cnt = 0;
2885
2886 if (msg_interface_version >= 1)
2887 {
2888 struct retro_message_ext msg = {
2889 strc,
2890 3000,
2891 1,
2892 RETRO_LOG_INFO,
2893 RETRO_MESSAGE_TARGET_OSD,
2894 RETRO_MESSAGE_TYPE_STATUS,
2895 -1
2896 };
2897 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
2898 }
2899 else
2900 {
2901 struct retro_message msg = {
2902 strc,
2903 180
2904 };
2905 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
2906 }
2907 }
2908 }
2909 else
2910 frame_count = 0;
2911}
2912
2913void retro_run(void)
2914{
2915 //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
2916 if (rebootemu != 0)
2917 {
2918 rebootemu = 0;
2919 SysReset();
d512faf7 2920 if (Config.HLE)
2921 LoadCdrom();
7a8d521f 2922 }
2923
2924 print_internal_fps();
2925
2926 /* Check whether current frame should
2927 * be skipped */
2928 pl_rearmed_cbs.fskip_force = 0;
2929 pl_rearmed_cbs.fskip_dirty = 0;
2930
2931 if (frameskip_type != FRAMESKIP_NONE)
2932 {
2933 bool skip_frame = false;
2934
2935 switch (frameskip_type)
2936 {
2937 case FRAMESKIP_AUTO:
2938 skip_frame = retro_audio_buff_active && retro_audio_buff_underrun;
2939 break;
2940 case FRAMESKIP_AUTO_THRESHOLD:
2941 skip_frame = retro_audio_buff_active && (retro_audio_buff_occupancy < frameskip_threshold);
2942 break;
2943 case FRAMESKIP_FIXED_INTERVAL:
2944 skip_frame = true;
2945 break;
2946 default:
2947 break;
2948 }
2949
2950 if (skip_frame && frameskip_counter < frameskip_interval)
2951 pl_rearmed_cbs.fskip_force = 1;
2952 }
2953
2954 /* If frameskip/timing settings have changed,
2955 * update frontend audio latency
2956 * > Can do this before or after the frameskip
2957 * check, but doing it after means we at least
2958 * retain the current frame's audio output */
2959 if (update_audio_latency)
2960 {
2961 environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
2962 &retro_audio_latency);
2963 update_audio_latency = false;
2964 }
2965
2966 input_poll_cb();
2967
2968 update_input();
2969
2970 bool updated = false;
2971 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
2972 update_variables(true);
2973
2974 stop = 0;
2975 psxCpu->Execute();
2976
2977 if (pl_rearmed_cbs.fskip_dirty == 1) {
2978 if (frameskip_counter < frameskip_interval)
2979 frameskip_counter++;
2980 else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
2981 frameskip_counter = 0;
2982 }
2983
2984 video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
2985 vout_width, vout_height, vout_width * 2);
2986 vout_fb_dirty = 0;
2987
2988 set_vout_fb();
2989}
2990
4a1d78d4 2991static bool try_use_bios(const char *path, bool preferred_only)
7a8d521f 2992{
2993 long size;
2994 const char *name;
2995 FILE *fp = fopen(path, "rb");
2996 if (fp == NULL)
2997 return false;
2998
2999 fseek(fp, 0, SEEK_END);
3000 size = ftell(fp);
3001 fclose(fp);
3002
7a8d521f 3003 name = strrchr(path, SLASH);
3004 if (name++ == NULL)
3005 name = path;
4a1d78d4 3006
3007 if (preferred_only && size != 512 * 1024)
3008 return false;
3009 if (size != 512 * 1024 && size != 4 * 1024 * 1024)
3010 return false;
3011 if (strstr(name, "unirom"))
3012 return false;
3013 // jp bios have an addidional region check
3014 if (preferred_only && (strcasestr(name, "00.") || strcasestr(name, "j.bin")))
3015 return false;
3016
7a8d521f 3017 snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
3018 return true;
3019}
3020
3021#ifndef VITA
74ebc05b 3022#include <sys/types.h>
3023#include <dirent.h>
3024
3025static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
3026{
4a1d78d4 3027 static const char *substr_pref[] = { "scph", "ps" };
3028 static const char *substr_alt[] = { "scph", "ps", "openbios" };
7a8d521f 3029 DIR *dir;
3030 struct dirent *ent;
3031 bool ret = false;
378428ac 3032 size_t i;
74ebc05b 3033
7a8d521f 3034 dir = opendir(dirpath);
3035 if (dir == NULL)
3036 return false;
74ebc05b 3037
4a1d78d4 3038 // try to find a "better" bios
3039 while ((ent = readdir(dir)))
7a8d521f 3040 {
4a1d78d4 3041 for (i = 0; i < sizeof(substr_pref) / sizeof(substr_pref[0]); i++)
378428ac 3042 {
4a1d78d4 3043 const char *substr = substr_pref[i];
3044 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
378428ac 3045 continue;
4a1d78d4 3046 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
3047 ret = try_use_bios(path, true);
3048 if (ret)
3049 goto finish;
3050 }
3051 }
378428ac 3052
4a1d78d4 3053 // another pass to look for anything fitting, even ps2 bios
3054 rewinddir(dir);
3055 while ((ent = readdir(dir)))
3056 {
3057 for (i = 0; i < sizeof(substr_alt) / sizeof(substr_alt[0]); i++)
3058 {
3059 const char *substr = substr_alt[i];
3060 if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
3061 continue;
378428ac 3062 snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
4a1d78d4 3063 ret = try_use_bios(path, false);
378428ac 3064 if (ret)
4a1d78d4 3065 goto finish;
378428ac 3066 }
7a8d521f 3067 }
4a1d78d4 3068
3069
3070finish:
7a8d521f 3071 closedir(dir);
3072 return ret;
74ebc05b 3073}
3074#else
3075#define find_any_bios(...) false
3076#endif
3077
11813b9d 3078static void check_system_specs(void)
3079{
3080 unsigned level = 6;
3081 environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
3082}
3083
7a8d521f 3084static int init_memcards(void)
3085{
3086 int ret = 0;
3087 const char *dir;
3088 struct retro_variable var = { .key = "pcsx_rearmed_memcard2", .value = NULL };
3089 static const char CARD2_FILE[] = "pcsx-card2.mcd";
3090
3091 // Memcard2 will be handled and is re-enabled if needed using core
3092 // operations.
3093 // Memcard1 is handled by libretro, doing this will set core to
3094 // skip file io operations for memcard1 like SaveMcd
3095 snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
3096 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
3097 init_memcard(Mcd1Data);
3098 // Memcard 2 is managed by the emulator on the filesystem,
3099 // There is no need to initialize Mcd2Data like Mcd1Data.
3100
3101 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
3102 {
3103 SysPrintf("Memcard 2: %s\n", var.value);
3104 if (memcmp(var.value, "enabled", 7) == 0)
3105 {
3106 if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir)
3107 {
3108 if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2))
3109 {
3110 SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
3111 ret = -1;
3112 }
3113 else
3114 {
3115 McdDisable[1] = 0;
3116 snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
3117 SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
3118 }
3119 }
3120 else
3121 {
3122 SysPrintf("Could not get save directory! Could not create memcard 2.");
3123 ret = -1;
3124 }
3125 }
3126 }
3127 return ret;
3128}
3129
3130static void loadPSXBios(void)
3131{
3132 const char *dir;
3133 char path[PATH_MAX];
3134 unsigned useHLE = 0;
3135
3136 const char *bios[] = {
3137 "PSXONPSP660", "psxonpsp660",
3138 "SCPH101", "scph101",
3139 "SCPH5501", "scph5501",
3140 "SCPH7001", "scph7001",
3141 "SCPH1001", "scph1001"
3142 };
3143
3144 struct retro_variable var = {
3145 .key = "pcsx_rearmed_bios",
3146 .value = NULL
3147 };
3148
3149 found_bios = 0;
3150
3151 if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
3152 {
3153 if (!strcmp(var.value, "HLE"))
3154 useHLE = 1;
3155 }
3156
3157 if (!useHLE)
3158 {
3159 if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
3160 {
3161 unsigned i;
3162 snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
3163
3164 for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
3165 {
3166 snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
4a1d78d4 3167 found_bios = try_use_bios(path, true);
7a8d521f 3168 if (found_bios)
3169 break;
3170 }
3171
3172 if (!found_bios)
3173 found_bios = find_any_bios(dir, path, sizeof(path));
3174 }
3175 if (found_bios)
3176 {
3177 SysPrintf("found BIOS file: %s\n", Config.Bios);
3178 }
3179 }
3180
3181 if (!found_bios)
3182 {
3183 const char *msg_str;
3184 if (useHLE)
3185 {
3186 msg_str = "BIOS set to \'hle\' in core options - real BIOS will be ignored";
3187 SysPrintf("Using HLE BIOS.\n");
3188 }
3189 else
3190 {
3191 msg_str = "No PlayStation BIOS file found - add for better compatibility";
3192 SysPrintf("No BIOS files found.\n");
3193 }
3194
3195 if (msg_interface_version >= 1)
3196 {
3197 struct retro_message_ext msg = {
3198 msg_str,
3199 3000,
3200 3,
3201 RETRO_LOG_WARN,
3202 RETRO_MESSAGE_TARGET_ALL,
3203 RETRO_MESSAGE_TYPE_NOTIFICATION,
3204 -1
3205 };
3206 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE_EXT, &msg);
3207 }
3208 else
3209 {
3210 struct retro_message msg = {
3211 msg_str,
3212 180
3213 };
3214 environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &msg);
3215 }
3216 }
3217}
3218
38c2028e 3219void retro_init(void)
3220{
7a8d521f 3221 unsigned dci_version = 0;
3222 struct retro_rumble_interface rumble;
3223 int ret;
38c2028e 3224
7a8d521f 3225 msg_interface_version = 0;
3226 environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
3227
3228#if defined(__MACH__) && !defined(TVOS)
3229 // magic sauce to make the dynarec work on iOS
3230 syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
d148d265 3231#endif
3232
7a8d521f 3233#ifdef _3DS
3234 psxMapHook = pl_3ds_mmap;
3235 psxUnmapHook = pl_3ds_munmap;
3236#endif
3237#ifdef VITA
3238 if (init_vita_mmap() < 0)
3239 abort();
3240 psxMapHook = pl_vita_mmap;
3241 psxUnmapHook = pl_vita_munmap;
3242#endif
3243 ret = emu_core_preinit();
3244#ifdef _3DS
3245 /* emu_core_preinit sets the cpu to dynarec */
3246 if (!__ctr_svchax)
3247 Config.Cpu = CPU_INTERPRETER;
3248#endif
3249 ret |= init_memcards();
38c2028e 3250
7a8d521f 3251 ret |= emu_core_init();
3252 if (ret != 0)
3253 {
3254 SysPrintf("PCSX init failed.\n");
3255 exit(1);
3256 }
3257
3258#ifdef _3DS
3259 vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
9165d434 3260#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
7a8d521f 3261 if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
3262 vout_buf = (void *) 0;
29122437 3263#else
7a8d521f 3264 vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
29122437 3265#endif
38c2028e 3266
7a8d521f 3267 vout_buf_ptr = vout_buf;
3268
3269 loadPSXBios();
3270
3271 environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
3272
3273 disk_initial_index = 0;
3274 disk_initial_path[0] = '\0';
3275 if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1))
3276 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext);
3277 else
3278 environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
3279
3280 rumble_cb = NULL;
3281 if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
3282 rumble_cb = rumble.set_rumble_state;
3283
3284 /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
3285 * we have to do this because cache misses and some IO penalties
3286 * are not emulated. Warning: changing this may break compatibility. */
3287 Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
3288#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
3289 Config.cycle_multiplier = 200;
5ca2ec64 3290#endif
7a8d521f 3291 pl_rearmed_cbs.gpu_peops.iUseDither = 1;
3292 pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
5ca2ec64 3293
7a8d521f 3294 SaveFuncs.open = save_open;
3295 SaveFuncs.read = save_read;
3296 SaveFuncs.write = save_write;
3297 SaveFuncs.seek = save_seek;
3298 SaveFuncs.close = save_close;
6e921e1d 3299
7a8d521f 3300 if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL))
3301 libretro_supports_bitmasks = true;
e268a47e 3302
7a8d521f 3303 check_system_specs();
38c2028e 3304}
3305
3306void retro_deinit(void)
3307{
7a8d521f 3308 if (plugins_opened)
3309 {
3310 ClosePlugins();
3311 plugins_opened = 0;
3312 }
3313 SysClose();
3314#ifdef _3DS
3315 linearFree(vout_buf);
3316#else
3317 free(vout_buf);
3318#endif
3319 vout_buf = NULL;
3320
3321#ifdef VITA
3322 deinit_vita_mmap();
3323#endif
3324 libretro_supports_bitmasks = false;
3325 libretro_supports_option_categories = false;
3326
3327 show_input_settings = true;
3328#ifdef GPU_PEOPS
3329 show_advanced_gpu_peops_settings = true;
3330#endif
3331#ifdef GPU_UNAI
3332 show_advanced_gpu_unai_settings = true;
3333#endif
3334
3335 /* Have to reset disks struct, otherwise
3336 * fnames/flabels will leak memory */
3337 disk_init();
3338 frameskip_type = FRAMESKIP_NONE;
3339 frameskip_threshold = 0;
3340 frameskip_interval = 0;
3341 frameskip_counter = 0;
3342 retro_audio_buff_active = false;
3343 retro_audio_buff_occupancy = 0;
3344 retro_audio_buff_underrun = false;
3345 retro_audio_latency = 0;
3346 update_audio_latency = false;
3347}
3348
3349#ifdef VITA
3350#include <psp2/kernel/threadmgr.h>
3351int usleep(unsigned long us)
3352{
3353 sceKernelDelayThread(us);
3354}
3355#endif
3356
3357void SysPrintf(const char *fmt, ...)
3358{
3359 va_list list;
3360 char msg[512];
3361
3362 va_start(list, fmt);
3363 vsprintf(msg, fmt, list);
3364 va_end(list);
3365
3366 if (log_cb)
3367 log_cb(RETRO_LOG_INFO, "%s", msg);
3368}
3369
3370/* Prints debug-level logs */
3371void SysDLog(const char *fmt, ...)
3372{
3373 va_list list;
3374 char msg[512];
3375
3376 va_start(list, fmt);
3377 vsprintf(msg, fmt, list);
3378 va_end(list);
3379
3380 if (log_cb)
3381 log_cb(RETRO_LOG_DEBUG, "%s", msg);
38c2028e 3382}
378428ac 3383
3384// vim:sw=3:ts=3:expandtab
ARM optimized PCSX fork