Commit | Line | Data |
---|---|---|
7612bf90 | 1 | /* |
2 | * libretro core glue for PicoDrive | |
3 | * (C) notaz, 2013 | |
4 | * (C) aliaspider, 2016 | |
5 | * (C) Daniel De Matteis, 2013 | |
7bf552b5 | 6 | * (C) irixxxx, 2020-2024 |
7612bf90 | 7 | * |
8 | * This work is licensed under the terms of MAME license. | |
9 | * See COPYING file in the top-level directory. | |
10 | */ | |
11 | ||
12 | #define _GNU_SOURCE 1 // mremap | |
13 | #include <stdio.h> | |
35f2b65e | 14 | #include <stdlib.h> |
7612bf90 | 15 | #include <stdarg.h> |
16 | #include <string.h> | |
7612bf90 | 17 | #include <errno.h> |
18 | #ifdef __MACH__ | |
19 | #include <libkern/OSCacheControl.h> | |
20 | #endif | |
21 | ||
5f9901e0 | 22 | #include "libretro-common/include/formats/image.h" // really, for IMAGE_PROCESS_NEXT?!? |
23 | #include "libretro-common/include/formats/rpng.h" | |
24 | #include "libretro-common/include/file/file_path.h" | |
25 | ||
a5085db3 | 26 | #include "libretro-common/include/memmap.h" |
27 | /* Ouf, libretro-common defines replacement functions, but not the flags :-| */ | |
28 | #ifndef PROT_READ | |
29 | #define PROT_READ 0x1 | |
30 | #define PROT_WRITE 0x2 | |
31 | #define PROT_READWRITE 0x3 | |
32 | #define PROT_EXEC 0x4 | |
33 | #define MAP_FAILED ((void *) -1) | |
34 | #define MAP_ANONYMOUS 0x1 | |
35 | #define MAP_PRIVATE 0x2 | |
36 | #endif | |
37 | ||
61d76999 | 38 | #if defined(RENDER_GSKIT_PS2) |
f821bb70 | 39 | #include <malloc.h> |
61d76999 | 40 | #include "libretro-common/include/libretro_gskit_ps2.h" |
f821bb70 | 41 | #include "ps2/asm.h" |
f55ce7bf | 42 | #else |
43 | #include <platform/common/upscale.h> | |
61d76999 | 44 | #endif |
1bbe9abf | 45 | #include <platform/common/emu.h> |
5f9901e0 | 46 | #include <platform/libpicofe/plat.h> // need this for PXMAKE in readpng :-/ |
61d76999 | 47 | |
7612bf90 | 48 | #ifdef _3DS |
49 | #include "3ds/3ds_utils.h" | |
50 | #define MEMOP_MAP 4 | |
51 | #define MEMOP_UNMAP 5 | |
52 | #define MEMOP_PROT 6 | |
53 | ||
54 | int svcDuplicateHandle(unsigned int* out, unsigned int original); | |
55 | int svcCloseHandle(unsigned int handle); | |
56 | int svcControlProcessMemory(unsigned int process, void* addr0, void* addr1, | |
57 | unsigned int size, unsigned int type, unsigned int perm); | |
58 | void* linearMemAlign(size_t size, size_t alignment); | |
59 | void linearFree(void* mem); | |
60 | ||
61 | static int ctr_svchack_successful = 0; | |
62 | ||
63 | #elif defined(VITA) | |
64 | #define TARGET_SIZE_2 24 // 2^24 = 16 megabytes | |
65 | ||
66 | #include <psp2/kernel/sysmem.h> | |
67 | static int sceBlock; | |
68 | int getVMBlock(); | |
69 | int _newlib_vm_size_user = 1 << TARGET_SIZE_2; | |
08be5f1d O |
70 | |
71 | #elif defined(__PS3__) | |
72 | #include <sys/process.h> | |
73 | #include <ps3mapi_ps3_lib.h> | |
74 | ||
75 | static uint64_t page_table[2] = {0, 0}; | |
7612bf90 | 76 | #endif |
77 | ||
61d76999 | 78 | #include "libretro_core_options.h" |
79 | ||
7612bf90 | 80 | #include <pico/pico_int.h> |
81 | #include <pico/state.h> | |
82 | #include <pico/patch.h> | |
30969671 | 83 | #include <pico/sound/mix.h> |
7612bf90 | 84 | #include "../common/input_pico.h" |
85 | #include "../common/version.h" | |
61d76999 | 86 | #include <libretro.h> |
a5085db3 | 87 | #include <compat/strcasestr.h> |
7612bf90 | 88 | |
89 | static retro_log_printf_t log_cb; | |
90 | static retro_video_refresh_t video_cb; | |
91 | static retro_input_poll_t input_poll_cb; | |
92 | static retro_input_state_t input_state_cb; | |
93 | static retro_environment_t environ_cb; | |
94 | static retro_audio_sample_batch_t audio_batch_cb; | |
95 | ||
96 | #define VOUT_MAX_WIDTH 320 | |
97 | #define VOUT_MAX_HEIGHT 240 | |
cd262e4c | 98 | |
5c7cd059 | 99 | #define SND_RATE_DEFAULT 44100 |
100 | #define SND_RATE_MAX 53267 | |
7612bf90 | 101 | |
a5085db3 | 102 | #ifndef PATH_MAX |
103 | #define PATH_MAX 4096 | |
104 | #endif | |
105 | ||
7612bf90 | 106 | static const float VOUT_PAR = 0.0; |
466fa079 | 107 | static const float VOUT_4_3 = (4.0f / 3.0f); |
108 | static const float VOUT_CRT = (1.29911f); | |
7612bf90 | 109 | |
e8658312 | 110 | /* Required to allow on the fly changes to 'renderer' */ |
61d76999 | 111 | static int vm_current_start_line = -1; |
112 | static int vm_current_line_count = -1; | |
d5d17782 | 113 | static int vm_current_start_col = -1; |
114 | static int vm_current_col_count = -1; | |
7612bf90 | 115 | |
cd262e4c | 116 | static int vout_16bit = 1; |
117 | static int vout_format = PDF_RGB555; | |
f55ce7bf | 118 | static void *vout_buf, *vout_ghosting_buf; |
7612bf90 | 119 | static int vout_width, vout_height, vout_offset; |
2767adb5 | 120 | static float vout_aspect = 0.0; |
f55ce7bf | 121 | static int vout_ghosting = 0; |
7612bf90 | 122 | |
906cc854 | 123 | static bool libretro_update_av_info = false; |
124 | static bool libretro_update_geometry = false; | |
125 | ||
61d76999 | 126 | #if defined(RENDER_GSKIT_PS2) |
7e5b769d | 127 | #define VOUT_8BIT_WIDTH 328 |
128 | #define VOUT_8BIT_HEIGHT 256 | |
61d76999 | 129 | RETRO_HW_RENDER_INTEFACE_GSKIT_PS2 *ps2 = NULL; |
130 | static void *retro_palette; | |
131 | static struct retro_hw_ps2_insets padding; | |
132 | #endif | |
133 | ||
5c7cd059 | 134 | static short ALIGNED(4) sndBuffer[2*SND_RATE_MAX/50]; |
7612bf90 | 135 | |
136 | static void snd_write(int len); | |
137 | ||
a002255e | 138 | char **g_argv; |
139 | ||
7612bf90 | 140 | #ifdef _WIN32 |
141 | #define SLASH '\\' | |
142 | #else | |
143 | #define SLASH '/' | |
144 | #endif | |
145 | ||
61d76999 | 146 | /* Frameskipping Support */ |
147 | ||
148 | static unsigned frameskip_type = 0; | |
149 | static unsigned frameskip_threshold = 0; | |
150 | static uint16_t frameskip_counter = 0; | |
151 | ||
152 | static bool retro_audio_buff_active = false; | |
153 | static unsigned retro_audio_buff_occupancy = 0; | |
154 | static bool retro_audio_buff_underrun = false; | |
155 | /* Maximum number of consecutive frames that | |
156 | * can be skipped */ | |
157 | #define FRAMESKIP_MAX 60 | |
158 | ||
159 | static unsigned audio_latency = 0; | |
160 | static bool update_audio_latency = false; | |
a5085db3 | 161 | static uint16_t pico_events; |
5f9901e0 | 162 | // Sega Pico stuff |
163 | int pico_inp_mode; | |
a5085db3 | 164 | int pico_pen_x = 320/2, pico_pen_y = 240/2; |
5f9901e0 | 165 | static int pico_page; |
166 | static int pico_w, pico_h; | |
167 | static char pico_overlay_path[PATH_MAX]; | |
168 | static unsigned short *pico_overlay; | |
169 | ||
61d76999 | 170 | |
171 | static void retro_audio_buff_status_cb( | |
172 | bool active, unsigned occupancy, bool underrun_likely) | |
173 | { | |
174 | retro_audio_buff_active = active; | |
175 | retro_audio_buff_occupancy = occupancy; | |
176 | retro_audio_buff_underrun = underrun_likely; | |
177 | } | |
178 | ||
179 | static void init_frameskip(void) | |
180 | { | |
181 | if (frameskip_type > 0) | |
182 | { | |
183 | struct retro_audio_buffer_status_callback buf_status_cb; | |
184 | ||
185 | buf_status_cb.callback = retro_audio_buff_status_cb; | |
186 | if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, | |
187 | &buf_status_cb)) | |
188 | { | |
189 | if (log_cb) | |
190 | log_cb(RETRO_LOG_WARN, "Frameskip disabled - frontend does not support audio buffer status monitoring.\n"); | |
191 | ||
192 | retro_audio_buff_active = false; | |
193 | retro_audio_buff_occupancy = 0; | |
194 | retro_audio_buff_underrun = false; | |
195 | audio_latency = 0; | |
196 | } | |
197 | else | |
198 | { | |
199 | /* Frameskip is enabled - increase frontend | |
200 | * audio latency to minimise potential | |
201 | * buffer underruns */ | |
202 | float frame_time_msec = 1000.0f / (Pico.m.pal ? 50.0f : 60.0f); | |
203 | ||
204 | /* Set latency to 6x current frame time... */ | |
205 | audio_latency = (unsigned)((6.0f * frame_time_msec) + 0.5f); | |
206 | ||
207 | /* ...then round up to nearest multiple of 32 */ | |
208 | audio_latency = (audio_latency + 0x1F) & ~0x1F; | |
209 | } | |
210 | } | |
211 | else | |
212 | { | |
213 | environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL); | |
214 | audio_latency = 0; | |
215 | } | |
216 | ||
217 | update_audio_latency = true; | |
218 | } | |
219 | ||
7612bf90 | 220 | /* functions called by the core */ |
221 | ||
222 | void cache_flush_d_inval_i(void *start, void *end) | |
223 | { | |
224 | #ifdef __arm__ | |
225 | size_t len = (char *)end - (char *)start; | |
226 | #if defined(__BLACKBERRY_QNX__) | |
60ef69d6 | 227 | msync(start, len, MS_SYNC | MS_CACHE_ONLY | MS_INVALIDATE_ICACHE); |
7612bf90 | 228 | #elif defined(__MACH__) |
229 | sys_dcache_flush(start, len); | |
230 | sys_icache_invalidate(start, len); | |
231 | #elif defined(_3DS) | |
60ef69d6 | 232 | (void)len; |
7612bf90 | 233 | ctr_flush_invalidate_cache(); |
234 | #elif defined(VITA) | |
235 | sceKernelSyncVMDomain(sceBlock, start, len); | |
236 | #else | |
60ef69d6 | 237 | (void)len; |
7612bf90 | 238 | __clear_cache(start, end); |
239 | #endif | |
240 | #endif | |
241 | } | |
242 | ||
7e5b769d | 243 | #ifdef RENDER_GSKIT_PS2 |
a5085db3 | 244 | /* In PS2 toolchain these aren't yet defined */ |
245 | void _flush_cache(void *b, void *e) | |
7e5b769d | 246 | { |
247 | #if 0 /* which of these is overall faster for lots of small cache updates? */ | |
248 | SyncDCache(b, e); | |
249 | #else | |
250 | FlushCache(0); /* WRITEBACK_DCACHE */ | |
251 | #endif | |
252 | FlushCache(2); /* INVALIDATE_ICACHE */ | |
253 | } | |
254 | ||
255 | int __builtin_parity(unsigned v) | |
256 | { | |
257 | /* credits to bit twiddling hacks, https://graphics.stanford.edu/~seander/bithacks.html */ | |
258 | v ^= v >> 16; | |
259 | v ^= v >> 8; | |
260 | v ^= v >> 4; | |
261 | return (0x6996 >> (v&0xf)) & 1; | |
262 | } | |
a5085db3 | 263 | #elif defined(PSP) |
264 | int _flush_cache(char *addr, const int size, const int op) | |
265 | { | |
266 | //sceKernelDcacheWritebackAll(); | |
267 | sceKernelDcacheWritebackRange(addr, size); | |
268 | sceKernelIcacheInvalidateRange(addr, size); | |
269 | return 0; | |
270 | } | |
7e5b769d | 271 | #endif |
272 | ||
512898fe | 273 | #ifdef __MACH__ |
274 | /* calls to this may be generated by the compiler, but it's missing in libc? */ | |
275 | void __clear_cache(void *start, void *end) | |
276 | { | |
277 | size_t len = (char *)end - (char *)start; | |
278 | sys_dcache_flush(start, len); | |
279 | sys_icache_invalidate(start, len); | |
280 | } | |
281 | #endif | |
282 | ||
7612bf90 | 283 | #ifndef MAP_ANONYMOUS |
284 | #define MAP_ANONYMOUS MAP_ANON | |
285 | #endif | |
286 | ||
287 | #ifdef _3DS | |
288 | typedef struct | |
289 | { | |
290 | unsigned int requested_map; | |
291 | void* buffer; | |
292 | }pico_mmap_t; | |
293 | ||
294 | pico_mmap_t pico_mmaps[] = { | |
295 | {0x02000000, 0}, | |
296 | {0x06000000, 0}, | |
297 | {NULL, 0} | |
298 | }; | |
299 | ||
300 | void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed) | |
301 | { | |
302 | (void)is_fixed; | |
303 | ||
304 | if (ctr_svchack_successful) | |
305 | { | |
306 | pico_mmap_t* pico_mmap; | |
307 | ||
308 | for (pico_mmap = pico_mmaps; pico_mmap->requested_map; pico_mmap++) | |
309 | { | |
310 | if ((pico_mmap->requested_map == addr)) | |
311 | { | |
312 | unsigned int ptr_aligned, tmp; | |
313 | unsigned int currentHandle; | |
314 | unsigned int perm = 0b011; | |
315 | ||
316 | if (need_exec) | |
317 | perm = 0b111; | |
318 | ||
319 | size = (size + 0xFFF) & ~0xFFF; | |
320 | pico_mmap->buffer = malloc(size + 0x1000); | |
321 | ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF; | |
322 | ||
323 | svcDuplicateHandle(¤tHandle, 0xFFFF8001); | |
324 | ||
325 | if(svcControlProcessMemory(currentHandle, pico_mmap->requested_map, ptr_aligned, size, MEMOP_MAP, perm) < 0) | |
326 | { | |
327 | if (log_cb) | |
328 | log_cb(RETRO_LOG_ERROR, "could not map memory @0x%08X\n", pico_mmap->requested_map); | |
329 | exit(1); | |
330 | } | |
331 | ||
332 | svcCloseHandle(currentHandle); | |
333 | return (void*)pico_mmap->requested_map; | |
334 | } | |
335 | } | |
336 | } | |
337 | ||
338 | return malloc(size); | |
339 | } | |
340 | ||
341 | void *plat_mremap(void *ptr, size_t oldsize, size_t newsize) | |
342 | { | |
343 | if (ctr_svchack_successful) | |
344 | { | |
345 | pico_mmap_t* pico_mmap; | |
346 | ||
347 | for (pico_mmap = pico_mmaps; pico_mmap->requested_map; pico_mmap++) | |
348 | { | |
349 | if ((pico_mmap->requested_map == (unsigned int)ptr)) | |
350 | { | |
351 | unsigned int ptr_aligned; | |
352 | unsigned int currentHandle; | |
353 | void* tmp; | |
354 | ||
355 | oldsize = (oldsize + 0xFFF) & ~0xFFF; | |
356 | newsize = (newsize + 0xFFF) & ~0xFFF; | |
357 | ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF; | |
358 | ||
359 | svcDuplicateHandle(¤tHandle, 0xFFFF8001); | |
360 | ||
361 | svcControlProcessMemory(currentHandle, pico_mmap->requested_map, ptr_aligned, oldsize, MEMOP_UNMAP, 0b011); | |
362 | ||
363 | tmp = realloc(pico_mmap->buffer, newsize + 0x1000); | |
364 | if(!tmp) | |
365 | return NULL; | |
366 | ||
367 | pico_mmap->buffer = tmp; | |
368 | ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF; | |
369 | ||
370 | svcControlProcessMemory(currentHandle, pico_mmap->requested_map, ptr_aligned, newsize, MEMOP_MAP, 0x3); | |
371 | ||
372 | svcCloseHandle(currentHandle); | |
373 | ||
374 | return ptr; | |
375 | } | |
376 | } | |
377 | } | |
378 | ||
379 | return realloc(ptr, newsize); | |
380 | ||
381 | } | |
382 | void plat_munmap(void *ptr, size_t size) | |
383 | { | |
384 | if (ctr_svchack_successful) | |
385 | { | |
386 | pico_mmap_t* pico_mmap; | |
387 | ||
388 | for (pico_mmap = pico_mmaps; pico_mmap->requested_map; pico_mmap++) | |
389 | { | |
390 | if ((pico_mmap->requested_map == (unsigned int)ptr)) | |
391 | { | |
392 | unsigned int ptr_aligned; | |
393 | unsigned int currentHandle; | |
394 | ||
395 | size = (size + 0xFFF) & ~0xFFF; | |
396 | ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF; | |
397 | ||
398 | svcDuplicateHandle(¤tHandle, 0xFFFF8001); | |
399 | ||
400 | svcControlProcessMemory(currentHandle, (void*)pico_mmap->requested_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0b011); | |
401 | ||
402 | svcCloseHandle(currentHandle); | |
403 | ||
404 | free(pico_mmap->buffer); | |
405 | pico_mmap->buffer = NULL; | |
406 | return; | |
407 | } | |
408 | } | |
409 | } | |
410 | ||
411 | free(ptr); | |
412 | } | |
413 | ||
414 | #else | |
415 | void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed) | |
416 | { | |
417 | int flags = MAP_PRIVATE | MAP_ANONYMOUS; | |
418 | void *req, *ret; | |
419 | ||
48c9e01b | 420 | req = (void *)(uintptr_t)addr; |
7612bf90 | 421 | ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0); |
422 | if (ret == MAP_FAILED) { | |
423 | if (log_cb) | |
424 | log_cb(RETRO_LOG_ERROR, "mmap(%08lx, %zd) failed: %d\n", addr, size, errno); | |
425 | return NULL; | |
426 | } | |
427 | ||
48c9e01b | 428 | if (addr != 0 && ret != (void *)(uintptr_t)addr) { |
7612bf90 | 429 | if (log_cb) |
430 | log_cb(RETRO_LOG_WARN, "warning: wanted to map @%08lx, got %p\n", | |
431 | addr, ret); | |
432 | ||
433 | if (is_fixed) { | |
434 | munmap(ret, size); | |
435 | return NULL; | |
436 | } | |
437 | } | |
438 | ||
439 | return ret; | |
440 | } | |
441 | ||
442 | void *plat_mremap(void *ptr, size_t oldsize, size_t newsize) | |
443 | { | |
61d76999 | 444 | #if defined(__linux__) && !defined(__SWITCH__) |
7612bf90 | 445 | void *ret = mremap(ptr, oldsize, newsize, 0); |
446 | if (ret == MAP_FAILED) | |
447 | return NULL; | |
448 | ||
449 | return ret; | |
450 | #else | |
451 | void *tmp, *ret; | |
452 | size_t preserve_size; | |
453 | ||
454 | preserve_size = oldsize; | |
455 | if (preserve_size > newsize) | |
456 | preserve_size = newsize; | |
457 | tmp = malloc(preserve_size); | |
458 | if (tmp == NULL) | |
459 | return NULL; | |
460 | memcpy(tmp, ptr, preserve_size); | |
461 | ||
462 | munmap(ptr, oldsize); | |
463 | ret = mmap(ptr, newsize, PROT_READ | PROT_WRITE, | |
464 | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); | |
465 | if (ret == MAP_FAILED) { | |
466 | free(tmp); | |
467 | return NULL; | |
468 | } | |
469 | memcpy(ret, tmp, preserve_size); | |
470 | free(tmp); | |
471 | return ret; | |
472 | #endif | |
473 | } | |
474 | ||
475 | void plat_munmap(void *ptr, size_t size) | |
476 | { | |
477 | if (ptr != NULL) | |
478 | munmap(ptr, size); | |
479 | } | |
480 | #endif | |
481 | ||
df925153 | 482 | // if NULL is returned, static buffer is used |
483 | void *plat_mem_get_for_drc(size_t size) | |
484 | { | |
485 | void *mem = NULL; | |
cbc2ca03 | 486 | #if defined VITA |
df925153 | 487 | sceKernelGetMemBlockBase(sceBlock, &mem); |
cbc2ca03 | 488 | #elif defined HW_WUP |
489 | // For WiiU, a slice of RWX memory left from the exploit is used, see: | |
490 | // https://github.com/embercold/pcsx_rearmed/commit/af0453223 | |
491 | mem = (void *)(0x01000000 - size); | |
08be5f1d O |
492 | #elif defined __PS3__ |
493 | ps3mapi_process_page_allocate(sysProcessGetPid(), size, PAGE_SIZE_AUTO, 0x2F, 1, page_table); | |
494 | mem = (void *)page_table[0]; | |
df925153 | 495 | #endif |
496 | return mem; | |
497 | } | |
498 | ||
7612bf90 | 499 | int plat_mem_set_exec(void *ptr, size_t size) |
500 | { | |
df925153 | 501 | int ret = -1; |
7612bf90 | 502 | #ifdef _WIN32 |
a0b95da1 | 503 | DWORD oldProtect = 0; |
504 | ret = VirtualProtect(ptr, size, PAGE_EXECUTE_READWRITE, &oldProtect); | |
7612bf90 | 505 | if (ret == 0 && log_cb) |
df925153 | 506 | log_cb(RETRO_LOG_ERROR, "VirtualProtect(%p, %d) failed: %d\n", ptr, (int)size, |
507 | GetLastError()); | |
7612bf90 | 508 | #elif defined(_3DS) |
7612bf90 | 509 | if (ctr_svchack_successful) |
510 | { | |
511 | unsigned int currentHandle; | |
512 | svcDuplicateHandle(¤tHandle, 0xFFFF8001); | |
513 | ret = svcControlProcessMemory(currentHandle, ptr, 0x0, | |
514 | size, MEMOP_PROT, 0b111); | |
515 | svcCloseHandle(currentHandle); | |
516 | ctr_flush_invalidate_cache(); | |
517 | ||
518 | } | |
519 | else | |
520 | { | |
521 | if (log_cb) | |
522 | log_cb(RETRO_LOG_ERROR, "plat_mem_set_exec called with no svcControlProcessMemory access\n"); | |
523 | exit(1); | |
524 | } | |
525 | ||
526 | #elif defined(VITA) | |
df925153 | 527 | ret = sceKernelOpenVMDomain(); |
7612bf90 | 528 | #else |
df925153 | 529 | ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC); |
7612bf90 | 530 | if (ret != 0 && log_cb) |
531 | log_cb(RETRO_LOG_ERROR, "mprotect(%p, %zd) failed: %d\n", ptr, size, errno); | |
532 | #endif | |
533 | return ret; | |
534 | } | |
535 | ||
1bbe9abf | 536 | static void apply_renderer() |
537 | { | |
538 | PicoIn.opt &= ~(POPT_ALT_RENDERER|POPT_EN_SOFTSCALE); | |
539 | PicoIn.opt |= POPT_DIS_32C_BORDER; | |
540 | if (vout_format == PDF_NONE) | |
541 | PicoIn.opt |= POPT_ALT_RENDERER; | |
542 | PicoDrawSetOutFormat(vout_format, 0); | |
543 | if (!vout_16bit && vout_format == PDF_8BIT) | |
544 | PicoDrawSetOutBuf(Pico.est.Draw2FB, 328); | |
545 | } | |
546 | ||
d5d17782 | 547 | void emu_video_mode_change(int start_line, int line_count, int start_col, int col_count) |
7612bf90 | 548 | { |
61d76999 | 549 | vm_current_start_line = start_line; |
550 | vm_current_line_count = line_count; | |
d5d17782 | 551 | vm_current_start_col = start_col; |
552 | vm_current_col_count = col_count; | |
61d76999 | 553 | |
60ef69d6 | 554 | // 8bit renderers create a 328x256 CLUT image, 16bit creates 320x240 RGB |
61d76999 | 555 | #if defined(RENDER_GSKIT_PS2) |
7e5b769d | 556 | // calculate the borders of the real image inside the picodrive image |
557 | vout_width = (vout_16bit ? VOUT_MAX_WIDTH : VOUT_8BIT_WIDTH); | |
558 | vout_height = (vout_16bit ? VOUT_MAX_HEIGHT : VOUT_8BIT_HEIGHT); | |
96948bdf | 559 | vout_offset = (vout_16bit ? 0 : col_count == 248 ? 16 : 8); // 8bit has overlap area on the left |
d5d17782 | 560 | padding = (struct retro_hw_ps2_insets){start_line, vout_offset, vout_height - line_count - start_line, vout_width - col_count - vout_offset}; |
61d76999 | 561 | |
7e5b769d | 562 | int pxsz = (vout_16bit ? 2 : 1); // pixel size: RGB = 16 bits, CLUT = 8 bits |
563 | memset(vout_buf, 0, pxsz * vout_width * vout_height); | |
61d76999 | 564 | memset(retro_palette, 0, gsKit_texture_size_ee(16, 16, GS_PSM_CT16)); |
7e5b769d | 565 | PicoDrawSetOutBuf(vout_buf, pxsz * vout_width); |
566 | if (ps2) { | |
567 | // prepare image as texture for rendering | |
568 | ps2->coreTexture->Width = vout_width; | |
569 | ps2->coreTexture->Height = vout_height; | |
570 | ps2->coreTexture->PSM = (vout_16bit ? GS_PSM_CT16 : GS_PSM_T8); | |
571 | ps2->padding = padding; | |
572 | } | |
61d76999 | 573 | #else |
d5d17782 | 574 | vout_width = col_count; |
61d76999 | 575 | memset(vout_buf, 0, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2); |
cd262e4c | 576 | if (vout_16bit) |
577 | PicoDrawSetOutBuf(vout_buf, vout_width * 2); | |
7612bf90 | 578 | |
e8658312 | 579 | vout_height = line_count; |
580 | /* Note: We multiply by 2 here to account for pitch */ | |
581 | vout_offset = vout_width * start_line * 2; | |
61d76999 | 582 | |
583 | /* Redundant sanity check... */ | |
584 | vout_height = (vout_height > VOUT_MAX_HEIGHT) ? | |
585 | VOUT_MAX_HEIGHT : vout_height; | |
586 | vout_offset = (vout_offset > vout_width * (VOUT_MAX_HEIGHT - 1) * 2) ? | |
587 | vout_width * (VOUT_MAX_HEIGHT - 1) * 2 : vout_offset; | |
f55ce7bf | 588 | |
589 | /* LCD ghosting */ | |
590 | if (vout_ghosting && vout_height == 144) { | |
591 | vout_ghosting_buf = realloc(vout_ghosting_buf, VOUT_MAX_HEIGHT*vout_width*2); | |
592 | memset(vout_ghosting_buf, 0, vout_width*vout_height*2); | |
593 | } | |
61d76999 | 594 | #endif |
cd262e4c | 595 | Pico.m.dirtyPal = 1; |
7612bf90 | 596 | |
906cc854 | 597 | /* Notify frontend of geometry update */ |
598 | libretro_update_geometry = true; | |
7612bf90 | 599 | } |
600 | ||
601 | void emu_32x_startup(void) | |
602 | { | |
1bbe9abf | 603 | PicoIn.filter = EOPT_FILTER_SMOOTHER; // for H32 upscaling |
cd262e4c | 604 | PicoDrawSetOutFormat(vout_format, 0); |
1bbe9abf | 605 | vout_16bit = 1; |
606 | ||
bccd8832 | 607 | if (vout_buf && |
608 | (vm_current_start_line != -1) && (vm_current_line_count != -1) && | |
609 | (vm_current_start_col != -1) && (vm_current_col_count != -1)) | |
cd262e4c | 610 | emu_video_mode_change( |
d5d17782 | 611 | vm_current_start_line, vm_current_line_count, |
612 | vm_current_start_col, vm_current_col_count); | |
7612bf90 | 613 | } |
614 | ||
615 | void lprintf(const char *fmt, ...) | |
616 | { | |
617 | char buffer[256]; | |
618 | va_list ap; | |
619 | va_start(ap, fmt); | |
620 | vsprintf(buffer, fmt, ap); | |
621 | /* TODO - add 'level' param for warning/error messages? */ | |
622 | if (log_cb) | |
623 | log_cb(RETRO_LOG_INFO, "%s", buffer); | |
624 | va_end(ap); | |
625 | } | |
626 | ||
627 | /* libretro */ | |
b106e5c7 | 628 | bool libretro_supports_bitmasks = false; |
629 | ||
7612bf90 | 630 | void retro_set_environment(retro_environment_t cb) |
631 | { | |
8b2f9d02 | 632 | bool option_categories_supported; |
61d76999 | 633 | #ifdef USE_LIBRETRO_VFS |
634 | struct retro_vfs_interface_info vfs_iface_info; | |
7612bf90 | 635 | #endif |
7612bf90 | 636 | |
a5085db3 | 637 | static const struct retro_system_content_info_override content_overrides[] = { |
638 | { | |
44a6c678 | 639 | "bin|gen|smd|md|32x|sms|gg|sg|sc|68k|sgd|pco", /* extensions */ |
a5085db3 | 640 | #if defined(LOW_MEMORY) |
641 | true, /* need_fullpath */ | |
642 | #else | |
643 | false, /* need_fullpath */ | |
644 | #endif | |
645 | false /* persistent_data */ | |
646 | }, | |
647 | { NULL, false, false } | |
648 | }; | |
649 | ||
7612bf90 | 650 | environ_cb = cb; |
651 | ||
8b2f9d02 | 652 | libretro_set_core_options(environ_cb, |
653 | &option_categories_supported); | |
a5085db3 | 654 | environ_cb(RETRO_ENVIRONMENT_SET_CONTENT_INFO_OVERRIDE, |
655 | (void*)content_overrides); | |
61d76999 | 656 | |
657 | #ifdef USE_LIBRETRO_VFS | |
658 | vfs_iface_info.required_interface_version = 1; | |
659 | vfs_iface_info.iface = NULL; | |
660 | if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info)) | |
661 | filestream_vfs_init(&vfs_iface_info); | |
662 | #endif | |
7612bf90 | 663 | } |
664 | ||
665 | void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; } | |
666 | void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; } | |
667 | void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; } | |
668 | void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; } | |
669 | void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; } | |
670 | ||
671 | unsigned retro_api_version(void) | |
672 | { | |
673 | return RETRO_API_VERSION; | |
674 | } | |
675 | ||
676 | void retro_set_controller_port_device(unsigned port, unsigned device) | |
677 | { | |
678 | } | |
679 | ||
680 | void retro_get_system_info(struct retro_system_info *info) | |
681 | { | |
682 | memset(info, 0, sizeof(*info)); | |
683 | info->library_name = "PicoDrive"; | |
3a770905 | 684 | info->library_version = VERSION; |
6ce10a43 | 685 | info->valid_extensions = "bin|gen|smd|md|32x|cue|iso|chd|sms|gg|sg|sc|m3u|68k|sgd|pco"; |
7612bf90 | 686 | info->need_fullpath = true; |
687 | } | |
688 | ||
689 | void retro_get_system_av_info(struct retro_system_av_info *info) | |
690 | { | |
e8658312 | 691 | float tv_height = (vout_height > 144 ? Pico.m.pal ? 240 : 224 : 144); |
24aab4da | 692 | float common_width; |
693 | ||
7612bf90 | 694 | memset(info, 0, sizeof(*info)); |
695 | info->timing.fps = Pico.m.pal ? 50 : 60; | |
61d76999 | 696 | info->timing.sample_rate = PicoIn.sndRate; |
7612bf90 | 697 | info->geometry.base_width = vout_width; |
698 | info->geometry.base_height = vout_height; | |
699 | info->geometry.max_width = vout_width; | |
700 | info->geometry.max_height = vout_height; | |
701 | ||
24aab4da | 702 | common_width = vout_width; |
2767adb5 | 703 | if (vout_aspect != 0) |
e8658312 | 704 | common_width = vout_aspect * tv_height; |
7612bf90 | 705 | |
e8658312 | 706 | info->geometry.aspect_ratio = common_width / vout_height; |
7612bf90 | 707 | } |
708 | ||
709 | /* savestates */ | |
710 | struct savestate_state { | |
711 | const char *load_buf; | |
712 | char *save_buf; | |
713 | size_t size; | |
714 | size_t pos; | |
715 | }; | |
716 | ||
717 | size_t state_read(void *p, size_t size, size_t nmemb, void *file) | |
718 | { | |
719 | struct savestate_state *state = file; | |
720 | size_t bsize = size * nmemb; | |
721 | ||
722 | if (state->pos + bsize > state->size) { | |
723 | if (log_cb) | |
724 | log_cb(RETRO_LOG_ERROR, "savestate error: %u/%u\n", | |
725 | state->pos + bsize, state->size); | |
726 | bsize = state->size - state->pos; | |
727 | if ((int)bsize <= 0) | |
728 | return 0; | |
729 | } | |
730 | ||
731 | memcpy(p, state->load_buf + state->pos, bsize); | |
732 | state->pos += bsize; | |
733 | return bsize; | |
734 | } | |
735 | ||
736 | size_t state_write(void *p, size_t size, size_t nmemb, void *file) | |
737 | { | |
738 | struct savestate_state *state = file; | |
739 | size_t bsize = size * nmemb; | |
740 | ||
741 | if (state->pos + bsize > state->size) { | |
742 | if (log_cb) | |
743 | log_cb(RETRO_LOG_ERROR, "savestate error: %u/%u\n", | |
744 | state->pos + bsize, state->size); | |
745 | bsize = state->size - state->pos; | |
746 | if ((int)bsize <= 0) | |
747 | return 0; | |
748 | } | |
749 | ||
750 | memcpy(state->save_buf + state->pos, p, bsize); | |
751 | state->pos += bsize; | |
752 | return bsize; | |
753 | } | |
754 | ||
755 | size_t state_skip(void *p, size_t size, size_t nmemb, void *file) | |
756 | { | |
757 | struct savestate_state *state = file; | |
758 | size_t bsize = size * nmemb; | |
759 | ||
760 | state->pos += bsize; | |
761 | return bsize; | |
762 | } | |
763 | ||
764 | size_t state_eof(void *file) | |
765 | { | |
766 | struct savestate_state *state = file; | |
767 | ||
768 | return state->pos >= state->size; | |
769 | } | |
770 | ||
771 | int state_fseek(void *file, long offset, int whence) | |
772 | { | |
773 | struct savestate_state *state = file; | |
774 | ||
775 | switch (whence) { | |
776 | case SEEK_SET: | |
777 | state->pos = offset; | |
778 | break; | |
779 | case SEEK_CUR: | |
780 | state->pos += offset; | |
781 | break; | |
782 | case SEEK_END: | |
783 | state->pos = state->size + offset; | |
784 | break; | |
785 | } | |
786 | return (int)state->pos; | |
787 | } | |
788 | ||
789 | /* savestate sizes vary wildly depending if cd/32x or | |
790 | * carthw is active, so run the whole thing to get size */ | |
791 | size_t retro_serialize_size(void) | |
792 | { | |
793 | struct savestate_state state = { 0, }; | |
92f7a430 | 794 | unsigned AHW = PicoIn.AHW; |
7612bf90 | 795 | int ret; |
796 | ||
92f7a430 | 797 | /* we need the max possible size here, so include 32X for MD and MCD */ |
798 | if (!(AHW & (PAHW_SMS|PAHW_PICO|PAHW_SVP))) | |
799 | PicoIn.AHW |= PAHW_32X; | |
7612bf90 | 800 | ret = PicoStateFP(&state, 1, NULL, state_skip, NULL, state_fseek); |
92f7a430 | 801 | PicoIn.AHW = AHW; |
7612bf90 | 802 | if (ret != 0) |
803 | return 0; | |
804 | ||
805 | return state.pos; | |
806 | } | |
807 | ||
808 | bool retro_serialize(void *data, size_t size) | |
809 | { | |
810 | struct savestate_state state = { 0, }; | |
811 | int ret; | |
812 | ||
813 | state.save_buf = data; | |
814 | state.size = size; | |
815 | state.pos = 0; | |
816 | ||
817 | ret = PicoStateFP(&state, 1, NULL, state_write, | |
818 | NULL, state_fseek); | |
819 | return ret == 0; | |
820 | } | |
821 | ||
822 | bool retro_unserialize(const void *data, size_t size) | |
823 | { | |
824 | struct savestate_state state = { 0, }; | |
825 | int ret; | |
826 | ||
827 | state.load_buf = data; | |
828 | state.size = size; | |
829 | state.pos = 0; | |
830 | ||
831 | ret = PicoStateFP(&state, 0, state_read, NULL, | |
832 | state_eof, state_fseek); | |
833 | return ret == 0; | |
834 | } | |
835 | ||
836 | typedef struct patch | |
837 | { | |
838 | unsigned int addr; | |
839 | unsigned short data; | |
840 | unsigned char comp; | |
841 | } patch; | |
842 | ||
843 | extern void decode(char *buff, patch *dest); | |
466fa079 | 844 | extern uint32_t m68k_read16(uint32_t a); |
7612bf90 | 845 | extern void m68k_write16(uint32_t a, uint16_t d); |
846 | ||
847 | void retro_cheat_reset(void) | |
848 | { | |
849 | int i=0; | |
850 | unsigned int addr; | |
851 | ||
852 | for (i = 0; i < PicoPatchCount; i++) | |
853 | { | |
854 | addr = PicoPatches[i].addr; | |
855 | if (addr < Pico.romsize) { | |
856 | if (PicoPatches[i].active) | |
857 | *(unsigned short *)(Pico.rom + addr) = PicoPatches[i].data_old; | |
858 | } else { | |
859 | if (PicoPatches[i].active) | |
860 | m68k_write16(PicoPatches[i].addr,PicoPatches[i].data_old); | |
861 | } | |
862 | } | |
863 | ||
864 | PicoPatchUnload(); | |
865 | } | |
866 | ||
867 | void retro_cheat_set(unsigned index, bool enabled, const char *code) | |
868 | { | |
869 | patch pt; | |
870 | int array_len = PicoPatchCount; | |
871 | char codeCopy[256]; | |
872 | char *buff; | |
873 | ||
61d76999 | 874 | if (*code == '\0') |
875 | return; | |
876 | strcpy(codeCopy, code); | |
7612bf90 | 877 | buff = strtok(codeCopy,"+"); |
878 | ||
879 | while (buff != NULL) | |
880 | { | |
881 | decode(buff, &pt); | |
882 | if (pt.addr == (uint32_t) -1 || pt.data == (uint16_t) -1) | |
883 | { | |
884 | log_cb(RETRO_LOG_ERROR,"CHEATS: Invalid code: %s\n",buff); | |
885 | return; | |
886 | } | |
887 | ||
888 | /* code was good, add it */ | |
889 | if (array_len < PicoPatchCount + 1) | |
890 | { | |
891 | void *ptr; | |
892 | array_len *= 2; | |
893 | array_len++; | |
894 | ptr = realloc(PicoPatches, array_len * sizeof(PicoPatches[0])); | |
895 | if (ptr == NULL) { | |
896 | log_cb(RETRO_LOG_ERROR,"CHEATS: Failed to allocate memory for: %s\n",buff); | |
897 | return; | |
898 | } | |
899 | PicoPatches = ptr; | |
900 | } | |
901 | strcpy(PicoPatches[PicoPatchCount].code, buff); | |
902 | ||
903 | PicoPatches[PicoPatchCount].active = enabled; | |
904 | PicoPatches[PicoPatchCount].addr = pt.addr; | |
905 | PicoPatches[PicoPatchCount].data = pt.data; | |
906 | PicoPatches[PicoPatchCount].comp = pt.comp; | |
907 | if (PicoPatches[PicoPatchCount].addr < Pico.romsize) | |
908 | PicoPatches[PicoPatchCount].data_old = *(uint16_t *)(Pico.rom + PicoPatches[PicoPatchCount].addr); | |
909 | else | |
910 | PicoPatches[PicoPatchCount].data_old = (uint16_t) m68k_read16(PicoPatches[PicoPatchCount].addr); | |
911 | PicoPatchCount++; | |
912 | ||
913 | buff = strtok(NULL,"+"); | |
914 | } | |
915 | } | |
916 | ||
917 | /* multidisk support */ | |
a5085db3 | 918 | static unsigned int disk_initial_index; |
7612bf90 | 919 | static bool disk_ejected; |
920 | static unsigned int disk_current_index; | |
921 | static unsigned int disk_count; | |
a5085db3 | 922 | static char disk_initial_path[PATH_MAX]; |
7612bf90 | 923 | static struct disks_state { |
924 | char *fname; | |
a5085db3 | 925 | char *flabel; |
7612bf90 | 926 | } disks[8]; |
927 | ||
a5085db3 | 928 | static void get_disk_label(char *disk_label, const char *disk_path, size_t len) |
929 | { | |
930 | const char *base = NULL; | |
931 | ||
932 | if (!disk_path || (*disk_path == '\0')) | |
933 | return; | |
934 | ||
935 | base = strrchr(disk_path, SLASH); | |
936 | if (!base) | |
937 | base = disk_path; | |
938 | ||
939 | if (*base == SLASH) | |
940 | base++; | |
941 | ||
942 | strncpy(disk_label, base, len - 1); | |
943 | disk_label[len - 1] = '\0'; | |
944 | ||
945 | char *ext = strrchr(disk_label, '.'); | |
946 | if (ext) | |
947 | *ext = '\0'; | |
948 | } | |
949 | ||
950 | static void disk_init(void) | |
951 | { | |
952 | size_t i; | |
953 | ||
954 | disk_ejected = false; | |
955 | disk_current_index = 0; | |
956 | disk_count = 0; | |
957 | ||
958 | for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) | |
959 | { | |
960 | if (disks[i].fname != NULL) | |
961 | { | |
962 | free(disks[i].fname); | |
963 | disks[i].fname = NULL; | |
964 | } | |
965 | if (disks[i].flabel != NULL) | |
966 | { | |
967 | free(disks[i].flabel); | |
968 | disks[i].flabel = NULL; | |
969 | } | |
970 | } | |
971 | } | |
972 | ||
7612bf90 | 973 | static bool disk_set_eject_state(bool ejected) |
974 | { | |
975 | // TODO? | |
976 | disk_ejected = ejected; | |
977 | return true; | |
978 | } | |
979 | ||
980 | static bool disk_get_eject_state(void) | |
981 | { | |
982 | return disk_ejected; | |
983 | } | |
984 | ||
985 | static unsigned int disk_get_image_index(void) | |
986 | { | |
987 | return disk_current_index; | |
988 | } | |
989 | ||
990 | static bool disk_set_image_index(unsigned int index) | |
991 | { | |
15ca7152 | 992 | enum cd_track_type cd_type; |
7612bf90 | 993 | int ret; |
994 | ||
995 | if (index >= sizeof(disks) / sizeof(disks[0])) | |
996 | return false; | |
997 | ||
998 | if (disks[index].fname == NULL) { | |
999 | if (log_cb) | |
1000 | log_cb(RETRO_LOG_ERROR, "missing disk #%u\n", index); | |
1001 | ||
1002 | // RetroArch specifies "no disk" with index == count, | |
1003 | // so don't fail here.. | |
1004 | disk_current_index = index; | |
1005 | return true; | |
1006 | } | |
1007 | ||
1008 | if (log_cb) | |
1009 | log_cb(RETRO_LOG_INFO, "switching to disk %u: \"%s\"\n", index, | |
1010 | disks[index].fname); | |
1011 | ||
1012 | ret = -1; | |
1013 | cd_type = PicoCdCheck(disks[index].fname, NULL); | |
15ca7152 | 1014 | if (cd_type >= 0 && cd_type != CT_UNKNOWN) |
7612bf90 | 1015 | ret = cdd_load(disks[index].fname, cd_type); |
1016 | if (ret != 0) { | |
1017 | if (log_cb) | |
1018 | log_cb(RETRO_LOG_ERROR, "Load failed, invalid CD image?\n"); | |
1019 | return 0; | |
1020 | } | |
1021 | ||
1022 | disk_current_index = index; | |
1023 | return true; | |
1024 | } | |
1025 | ||
1026 | static unsigned int disk_get_num_images(void) | |
1027 | { | |
1028 | return disk_count; | |
1029 | } | |
1030 | ||
1031 | static bool disk_replace_image_index(unsigned index, | |
1032 | const struct retro_game_info *info) | |
1033 | { | |
a5085db3 | 1034 | char *old_fname = NULL; |
1035 | char *old_flabel = NULL; | |
1036 | bool ret = true; | |
7612bf90 | 1037 | |
1038 | if (index >= sizeof(disks) / sizeof(disks[0])) | |
1039 | return false; | |
1040 | ||
a5085db3 | 1041 | old_fname = disks[index].fname; |
1042 | old_flabel = disks[index].flabel; | |
1043 | ||
7612bf90 | 1044 | if (disks[index].fname != NULL) |
1045 | free(disks[index].fname); | |
1046 | disks[index].fname = NULL; | |
1047 | ||
a5085db3 | 1048 | if (disks[index].flabel != NULL) |
1049 | free(disks[index].flabel); | |
1050 | disks[index].flabel = NULL; | |
1051 | ||
7612bf90 | 1052 | if (info != NULL) { |
a5085db3 | 1053 | char disk_label[PATH_MAX]; |
1054 | disk_label[0] = '\0'; | |
1055 | ||
7612bf90 | 1056 | disks[index].fname = strdup(info->path); |
a5085db3 | 1057 | |
1058 | get_disk_label(disk_label, info->path, PATH_MAX); | |
1059 | disks[index].flabel = strdup(disk_label); | |
1060 | ||
7612bf90 | 1061 | if (index == disk_current_index) |
1062 | ret = disk_set_image_index(index); | |
1063 | } | |
1064 | ||
a5085db3 | 1065 | if (old_fname != NULL) |
1066 | free(old_fname); | |
1067 | ||
1068 | if (old_flabel != NULL) | |
1069 | free(old_flabel); | |
1070 | ||
7612bf90 | 1071 | return ret; |
1072 | } | |
1073 | ||
1074 | static bool disk_add_image_index(void) | |
1075 | { | |
1076 | if (disk_count >= sizeof(disks) / sizeof(disks[0])) | |
1077 | return false; | |
1078 | ||
1079 | disk_count++; | |
1080 | return true; | |
1081 | } | |
1082 | ||
a5085db3 | 1083 | static bool disk_set_initial_image(unsigned index, const char *path) |
1084 | { | |
1085 | if (index >= sizeof(disks) / sizeof(disks[0])) | |
1086 | return false; | |
1087 | ||
1088 | if (!path || (*path == '\0')) | |
1089 | return false; | |
1090 | ||
1091 | disk_initial_index = index; | |
1092 | ||
1093 | strncpy(disk_initial_path, path, sizeof(disk_initial_path) - 1); | |
1094 | disk_initial_path[sizeof(disk_initial_path) - 1] = '\0'; | |
1095 | ||
1096 | return true; | |
1097 | } | |
1098 | ||
1099 | static bool disk_get_image_path(unsigned index, char *path, size_t len) | |
1100 | { | |
1101 | const char *fname = NULL; | |
1102 | ||
1103 | if (len < 1) | |
1104 | return false; | |
1105 | ||
1106 | if (index >= sizeof(disks) / sizeof(disks[0])) | |
1107 | return false; | |
1108 | ||
1109 | fname = disks[index].fname; | |
1110 | ||
1111 | if (!fname || (*fname == '\0')) | |
1112 | return false; | |
1113 | ||
1114 | strncpy(path, fname, len - 1); | |
1115 | path[len - 1] = '\0'; | |
1116 | ||
1117 | return true; | |
1118 | } | |
1119 | ||
1120 | static bool disk_get_image_label(unsigned index, char *label, size_t len) | |
1121 | { | |
1122 | const char *flabel = NULL; | |
1123 | ||
1124 | if (len < 1) | |
1125 | return false; | |
1126 | ||
1127 | if (index >= sizeof(disks) / sizeof(disks[0])) | |
1128 | return false; | |
1129 | ||
1130 | flabel = disks[index].flabel; | |
1131 | ||
1132 | if (!flabel || (*flabel == '\0')) | |
1133 | return false; | |
1134 | ||
1135 | strncpy(label, flabel, len - 1); | |
1136 | label[len - 1] = '\0'; | |
1137 | ||
1138 | return true; | |
1139 | } | |
1140 | ||
7612bf90 | 1141 | static struct retro_disk_control_callback disk_control = { |
1142 | disk_set_eject_state, | |
1143 | disk_get_eject_state, | |
1144 | disk_get_image_index, | |
1145 | disk_set_image_index, | |
1146 | disk_get_num_images, | |
1147 | disk_replace_image_index, | |
1148 | disk_add_image_index, | |
1149 | }; | |
1150 | ||
a5085db3 | 1151 | static struct retro_disk_control_ext_callback disk_control_ext = { |
1152 | .set_eject_state = disk_set_eject_state, | |
1153 | .get_eject_state = disk_get_eject_state, | |
1154 | .get_image_index = disk_get_image_index, | |
1155 | .set_image_index = disk_set_image_index, | |
1156 | .get_num_images = disk_get_num_images, | |
1157 | .replace_image_index = disk_replace_image_index, | |
1158 | .add_image_index = disk_add_image_index, | |
1159 | .set_initial_image = disk_set_initial_image, | |
1160 | .get_image_path = disk_get_image_path, | |
1161 | .get_image_label = disk_get_image_label, | |
1162 | }; | |
1163 | ||
7612bf90 | 1164 | static void disk_tray_open(void) |
1165 | { | |
1166 | if (log_cb) | |
1167 | log_cb(RETRO_LOG_INFO, "cd tray open\n"); | |
1168 | disk_ejected = 1; | |
1169 | } | |
1170 | ||
1171 | static void disk_tray_close(void) | |
1172 | { | |
1173 | if (log_cb) | |
1174 | log_cb(RETRO_LOG_INFO, "cd tray close\n"); | |
1175 | disk_ejected = 0; | |
1176 | } | |
1177 | ||
a5085db3 | 1178 | static char base_dir[1024]; |
1179 | ||
1180 | static void extract_directory(char *buf, const char *path, size_t size) | |
1181 | { | |
1182 | char *base; | |
1183 | strncpy(buf, path, size - 1); | |
1184 | buf[size - 1] = '\0'; | |
1185 | ||
1186 | base = strrchr(buf, '/'); | |
1187 | if (!base) | |
1188 | base = strrchr(buf, '\\'); | |
1189 | ||
1190 | if (base) | |
1191 | *base = '\0'; | |
1192 | else | |
1193 | { | |
1194 | buf[0] = '.'; | |
1195 | buf[1] = '\0'; | |
1196 | } | |
1197 | } | |
1198 | ||
1199 | static void extract_basename(char *buf, const char *path, size_t size) | |
1200 | { | |
1201 | const char *base = strrchr(path, '/'); | |
1202 | if (!base) | |
1203 | base = strrchr(path, '\\'); | |
1204 | if (!base) | |
1205 | base = path; | |
1206 | ||
1207 | if (*base == '\\' || *base == '/') | |
1208 | base++; | |
1209 | ||
1210 | strncpy(buf, base, size - 1); | |
1211 | buf[size - 1] = '\0'; | |
1212 | ||
1213 | char *ext = strrchr(buf, '.'); | |
1214 | if (ext) | |
1215 | *ext = '\0'; | |
1216 | } | |
1217 | ||
1218 | static bool read_m3u(const char *file) | |
1219 | { | |
1220 | char line[1024]; | |
1221 | char name[PATH_MAX]; | |
1222 | FILE *f = fopen(file, "r"); | |
1223 | if (!f) | |
1224 | return false; | |
1225 | ||
1226 | while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) | |
1227 | { | |
1228 | if (line[0] == '#') | |
1229 | continue; | |
1230 | char *carrige_return = strchr(line, '\r'); | |
1231 | if (carrige_return) | |
1232 | *carrige_return = '\0'; | |
1233 | char *newline = strchr(line, '\n'); | |
1234 | if (newline) | |
1235 | *newline = '\0'; | |
1236 | ||
1237 | if (line[0] != '\0') | |
1238 | { | |
1239 | char disk_label[PATH_MAX]; | |
1240 | disk_label[0] = '\0'; | |
1241 | ||
1242 | snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line); | |
1243 | disks[disk_count].fname = strdup(name); | |
1244 | ||
1245 | get_disk_label(disk_label, name, PATH_MAX); | |
1246 | disks[disk_count].flabel = strdup(disk_label); | |
1247 | ||
1248 | disk_count++; | |
1249 | } | |
1250 | } | |
1251 | ||
1252 | fclose(f); | |
1253 | return (disk_count != 0); | |
1254 | } | |
1255 | ||
1256 | /* end of multi disk support */ | |
7612bf90 | 1257 | |
1258 | static const char * const biosfiles_us[] = { | |
1259 | "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210", "bios_CD_U" | |
1260 | }; | |
1261 | static const char * const biosfiles_eu[] = { | |
1262 | "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210", "bios_CD_E" | |
1263 | }; | |
1264 | static const char * const biosfiles_jp[] = { | |
1265 | "jp_mcd2_921222", "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J" | |
1266 | }; | |
1267 | ||
1268 | static void make_system_path(char *buf, size_t buf_size, | |
1269 | const char *name, const char *ext) | |
1270 | { | |
1271 | const char *dir = NULL; | |
1272 | ||
1273 | if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) { | |
1274 | snprintf(buf, buf_size, "%s%c%s%s", dir, SLASH, name, ext); | |
1275 | } | |
1276 | else { | |
1277 | snprintf(buf, buf_size, "%s%s", name, ext); | |
1278 | } | |
1279 | } | |
1280 | ||
1281 | static const char *find_bios(int *region, const char *cd_fname) | |
1282 | { | |
1283 | const char * const *files; | |
1284 | static char path[256]; | |
1285 | int i, count; | |
1286 | FILE *f = NULL; | |
1287 | ||
02f3222f | 1288 | // look for MSU.MD rom file. XXX another extension list? ugh... |
1289 | static const char *md_exts[] = { "gen", "smd", "md", "32x" }; | |
1290 | char *ext = strrchr(cd_fname, '.'); | |
1291 | int extpos = ext ? ext-cd_fname : strlen(cd_fname); | |
1292 | strcpy(path, cd_fname); | |
1293 | path[extpos++] = '.'; | |
1294 | for (i = 0; i < ARRAY_SIZE(md_exts); i++) { | |
1295 | strcpy(path+extpos, md_exts[i]); | |
1296 | f = fopen(path, "rb"); | |
1297 | if (f != NULL) { | |
1298 | log_cb(RETRO_LOG_INFO, "found MSU rom: %s\n", path); | |
5f9901e0 | 1299 | fclose(f); |
02f3222f | 1300 | return path; |
1301 | } | |
1302 | } | |
1303 | ||
7612bf90 | 1304 | if (*region == 4) { // US |
1305 | files = biosfiles_us; | |
1306 | count = sizeof(biosfiles_us) / sizeof(char *); | |
1307 | } else if (*region == 8) { // EU | |
1308 | files = biosfiles_eu; | |
1309 | count = sizeof(biosfiles_eu) / sizeof(char *); | |
1310 | } else if (*region == 1 || *region == 2) { | |
1311 | files = biosfiles_jp; | |
1312 | count = sizeof(biosfiles_jp) / sizeof(char *); | |
1313 | } else { | |
1314 | return NULL; | |
1315 | } | |
1316 | ||
1317 | for (i = 0; i < count; i++) | |
1318 | { | |
1319 | make_system_path(path, sizeof(path), files[i], ".bin"); | |
1320 | f = fopen(path, "rb"); | |
1321 | if (f != NULL) | |
1322 | break; | |
1323 | ||
1324 | make_system_path(path, sizeof(path), files[i], ".zip"); | |
1325 | f = fopen(path, "rb"); | |
1326 | if (f != NULL) | |
1327 | break; | |
1328 | } | |
1329 | ||
1330 | if (f != NULL) { | |
1331 | if (log_cb) | |
1332 | log_cb(RETRO_LOG_INFO, "using bios: %s\n", path); | |
1333 | fclose(f); | |
1334 | return path; | |
1335 | } | |
1336 | ||
1337 | return NULL; | |
1338 | } | |
1339 | ||
61d76999 | 1340 | static void set_memory_maps(void) |
1341 | { | |
1342 | if (PicoIn.AHW & PAHW_MCD) | |
1343 | { | |
1344 | const size_t SCD_BIT = 1ULL << 31ULL; | |
1345 | const uint64_t mem = RETRO_MEMDESC_SYSTEM_RAM; | |
1346 | struct retro_memory_map mmaps; | |
1347 | struct retro_memory_descriptor descs[] = { | |
1348 | { mem, PicoMem.ram, 0, 0xFF0000, 0, 0, 0x10000, "68KRAM" }, | |
1349 | /* virtual address using SCD_BIT so all 512M of prg_ram can be accessed */ | |
1350 | /* at address $80020000 */ | |
1351 | { mem, Pico_mcd->prg_ram, 0, SCD_BIT | 0x020000, 0, 0, 0x80000, "PRGRAM" }, | |
1352 | }; | |
1353 | ||
1354 | mmaps.descriptors = descs; | |
1355 | mmaps.num_descriptors = sizeof(descs) / sizeof(descs[0]); | |
1356 | environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &mmaps); | |
1357 | } | |
1358 | } | |
1359 | ||
7612bf90 | 1360 | bool retro_load_game(const struct retro_game_info *info) |
1361 | { | |
a5085db3 | 1362 | const struct retro_game_info_ext *info_ext = NULL; |
1363 | const unsigned char *content_data = NULL; | |
1364 | size_t content_size = 0; | |
1365 | char content_path[PATH_MAX]; | |
1366 | char content_ext[8]; | |
1367 | char carthw_path[PATH_MAX]; | |
7612bf90 | 1368 | enum media_type_e media_type; |
7612bf90 | 1369 | size_t i; |
1370 | ||
a5085db3 | 1371 | #if defined(_WIN32) |
1372 | char slash = '\\'; | |
1373 | #else | |
1374 | char slash = '/'; | |
1375 | #endif | |
1376 | ||
1377 | content_path[0] = '\0'; | |
1378 | content_ext[0] = '\0'; | |
1379 | carthw_path[0] = '\0'; | |
1380 | ||
1381 | unsigned int cd_index = 0; | |
1382 | bool is_m3u = false; | |
1383 | ||
7612bf90 | 1384 | struct retro_input_descriptor desc[] = { |
1385 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, | |
1386 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, | |
1387 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, | |
1388 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, | |
1389 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" }, | |
1390 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" }, | |
1391 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" }, | |
1392 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" }, | |
1393 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" }, | |
1394 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" }, | |
1395 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Mode" }, | |
1396 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, | |
1397 | ||
1398 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, | |
1399 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, | |
1400 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, | |
1401 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, | |
1402 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" }, | |
1403 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" }, | |
1404 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" }, | |
1405 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" }, | |
1406 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" }, | |
1407 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" }, | |
1408 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Mode" }, | |
1409 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, | |
1410 | ||
1d5885dd | 1411 | |
1412 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, | |
1413 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, | |
1414 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, | |
1415 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, | |
1416 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" }, | |
1417 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" }, | |
1418 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" }, | |
1419 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" }, | |
1420 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" }, | |
1421 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" }, | |
1422 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Mode" }, | |
1423 | { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, | |
1424 | ||
1425 | ||
1426 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, | |
1427 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, | |
1428 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, | |
1429 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, | |
1430 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" }, | |
1431 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" }, | |
1432 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" }, | |
1433 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" }, | |
1434 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" }, | |
1435 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" }, | |
1436 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Mode" }, | |
1437 | { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, | |
1438 | ||
7612bf90 | 1439 | { 0 }, |
1440 | }; | |
1441 | ||
1442 | struct retro_input_descriptor desc_sms[] = { | |
1443 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, | |
1444 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, | |
1445 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, | |
1446 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, | |
1447 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Button 1 Start" }, | |
1448 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Button 2" }, | |
1449 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Button Pause" }, | |
1450 | ||
1451 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, | |
1452 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, | |
1453 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, | |
1454 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, | |
1455 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Button 1 Start" }, | |
1456 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Button 2" }, | |
1457 | { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Button Pause" }, | |
1458 | ||
1459 | { 0 }, | |
1460 | }; | |
1461 | ||
a5085db3 | 1462 | struct retro_input_descriptor desc_pico[] = { |
1463 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left (violet)" }, | |
1464 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up (white)" }, | |
1465 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down (orange)" }, | |
1466 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right (green)" }, | |
1467 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Red Button" }, | |
1468 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Pen Button" }, | |
5f9901e0 | 1469 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Pen State" }, |
62e763ec | 1470 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Pen on Storyware" }, |
5f9901e0 | 1471 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Pen on Pad" }, |
1472 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "Previous Page" }, | |
1473 | { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Next Page" }, | |
a5085db3 | 1474 | |
1475 | { 0 }, | |
1476 | }; | |
1477 | ||
1478 | /* Attempt to fetch extended game info */ | |
1479 | if (environ_cb(RETRO_ENVIRONMENT_GET_GAME_INFO_EXT, &info_ext)) | |
1480 | { | |
1481 | #if !defined(LOW_MEMORY) | |
1482 | content_data = (const unsigned char *)info_ext->data; | |
1483 | content_size = info_ext->size; | |
1484 | #endif | |
1485 | strncpy(base_dir, info_ext->dir, sizeof(base_dir)); | |
1486 | base_dir[sizeof(base_dir) - 1] = '\0'; | |
1487 | ||
1488 | strncpy(content_ext, info_ext->ext, sizeof(content_ext)); | |
1489 | content_ext[sizeof(content_ext) - 1] = '\0'; | |
1490 | ||
1491 | if (info_ext->file_in_archive) | |
1492 | { | |
1493 | /* We don't have a 'physical' file in this | |
1494 | * case, but the core still needs a filename | |
1495 | * in order to detect media type. We therefore | |
1496 | * fake it, using the content directory, | |
1497 | * canonical content name, and content file | |
1498 | * extension */ | |
1499 | snprintf(content_path, sizeof(content_path), "%s%c%s.%s", | |
1500 | base_dir, slash, info_ext->name, content_ext); | |
1501 | } | |
1502 | else | |
1503 | { | |
1504 | strncpy(content_path, info_ext->full_path, sizeof(content_path)); | |
1505 | content_path[sizeof(content_path) - 1] = '\0'; | |
1506 | } | |
1507 | } | |
1508 | else | |
1509 | { | |
1510 | const char *ext = NULL; | |
1511 | ||
1512 | if (!info || !info->path) | |
1513 | { | |
1514 | if (log_cb) | |
1515 | log_cb(RETRO_LOG_ERROR, "info->path required\n"); | |
1516 | return false; | |
1517 | } | |
1518 | ||
1519 | extract_directory(base_dir, info->path, sizeof(base_dir)); | |
1520 | ||
1521 | strncpy(content_path, info->path, sizeof(content_path)); | |
1522 | content_path[sizeof(content_path) - 1] = '\0'; | |
1523 | ||
1524 | if ((ext = strrchr(info->path, '.'))) | |
1525 | { | |
1526 | strncpy(content_ext, ext + 1, sizeof(content_ext)); | |
1527 | content_ext[sizeof(content_ext) - 1] = '\0'; | |
1528 | } | |
1529 | } | |
1530 | ||
7612bf90 | 1531 | enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565; |
1532 | if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) { | |
1533 | if (log_cb) | |
1534 | log_cb(RETRO_LOG_ERROR, "RGB565 support required, sorry\n"); | |
1535 | return false; | |
1536 | } | |
1537 | ||
a5085db3 | 1538 | disk_init(); |
7612bf90 | 1539 | |
a5085db3 | 1540 | is_m3u = (strcasestr(content_ext, "m3u") != NULL); |
1541 | if (is_m3u) | |
1542 | { | |
1543 | if (!read_m3u(content_path)) | |
1544 | { | |
1545 | log_cb(RETRO_LOG_INFO, "failed to read m3u file\n"); | |
1546 | return false; | |
7612bf90 | 1547 | } |
a5085db3 | 1548 | |
1549 | strncpy(content_path, disks[0].fname, sizeof(content_path)); | |
1550 | content_path[sizeof(content_path) - 1] = '\0'; | |
1551 | } | |
1552 | else | |
1553 | { | |
1554 | char disk_label[PATH_MAX]; | |
1555 | disk_label[0] = '\0'; | |
1556 | ||
1557 | disk_current_index = 0; | |
1558 | disk_count = 1; | |
1559 | disks[0].fname = strdup(content_path); | |
1560 | ||
1561 | get_disk_label(disk_label, content_path, PATH_MAX); | |
1562 | disks[0].flabel = strdup(disk_label); | |
7612bf90 | 1563 | } |
1564 | ||
a5085db3 | 1565 | /* If this is an M3U file, attempt to set the |
1566 | * initial disk image */ | |
1567 | if (is_m3u && (disk_initial_index > 0) && (disk_initial_index < disk_count)) | |
1568 | { | |
1569 | const char *fname = disks[disk_initial_index].fname; | |
1570 | ||
1571 | if (fname && (*fname != '\0')) | |
1572 | if (strcmp(disk_initial_path, fname) == 0) | |
1573 | cd_index = disk_initial_index; | |
1574 | ||
1575 | /* If we are not loading the first disk in the | |
1576 | * M3U list, update the content_path string | |
1577 | * that will be passed to PicoLoadMedia() */ | |
1578 | if (cd_index != 0) | |
1579 | { | |
1580 | strncpy(content_path, disks[cd_index].fname, sizeof(content_path)); | |
1581 | content_path[sizeof(content_path) - 1] = '\0'; | |
1582 | } | |
1583 | } | |
7612bf90 | 1584 | |
1585 | make_system_path(carthw_path, sizeof(carthw_path), "carthw", ".cfg"); | |
1586 | ||
a5085db3 | 1587 | media_type = PicoLoadMedia(content_path, content_data, content_size, |
1588 | carthw_path, find_bios, NULL); | |
1589 | ||
1590 | disk_current_index = cd_index; | |
7612bf90 | 1591 | |
1592 | switch (media_type) { | |
1593 | case PM_BAD_DETECT: | |
1594 | if (log_cb) | |
1595 | log_cb(RETRO_LOG_ERROR, "Failed to detect ROM/CD image type.\n"); | |
1596 | return false; | |
1597 | case PM_BAD_CD: | |
1598 | if (log_cb) | |
1599 | log_cb(RETRO_LOG_ERROR, "Invalid CD image\n"); | |
1600 | return false; | |
1601 | case PM_BAD_CD_NO_BIOS: | |
1602 | if (log_cb) | |
1603 | log_cb(RETRO_LOG_ERROR, "Missing BIOS\n"); | |
1604 | return false; | |
1605 | case PM_ERROR: | |
1606 | if (log_cb) | |
1607 | log_cb(RETRO_LOG_ERROR, "Load error\n"); | |
1608 | return false; | |
1609 | default: | |
1610 | break; | |
1611 | } | |
1612 | ||
5f9901e0 | 1613 | strncpy(pico_overlay_path, content_path, sizeof(pico_overlay_path)-4); |
a5085db3 | 1614 | if (PicoIn.AHW & PAHW_PICO) |
1615 | environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc_pico); | |
1616 | else if (PicoIn.AHW & PAHW_SMS) | |
7612bf90 | 1617 | environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc_sms); |
1618 | else | |
1619 | environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc); | |
1620 | ||
1621 | PicoLoopPrepare(); | |
1622 | ||
6311a3ba | 1623 | PicoIn.writeSound = snd_write; |
7612bf90 | 1624 | memset(sndBuffer, 0, sizeof(sndBuffer)); |
6311a3ba | 1625 | PicoIn.sndOut = sndBuffer; |
a990d9c4 | 1626 | if (PicoIn.sndRate > 52000 && PicoIn.sndRate < 54000) |
882f697a | 1627 | PicoIn.sndRate = YM2612_NATIVE_RATE(); |
7612bf90 | 1628 | PsndRerate(0); |
1629 | ||
1bbe9abf | 1630 | apply_renderer(); |
63235526 | 1631 | |
61d76999 | 1632 | /* Setup retro memory maps */ |
1633 | set_memory_maps(); | |
1634 | ||
1635 | init_frameskip(); | |
1636 | ||
906cc854 | 1637 | /* Initialisation routines may have 'triggered' |
1638 | * a libretro AV info or geometry update; this | |
1639 | * happens automatically after retro_load_game(), | |
1640 | * so disable the relevant flags here to avoid | |
1641 | * redundant updates on the first call of | |
1642 | * retro_run() */ | |
1643 | libretro_update_av_info = false; | |
1644 | libretro_update_geometry = false; | |
1645 | ||
7612bf90 | 1646 | return true; |
1647 | } | |
1648 | ||
1649 | bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) | |
1650 | { | |
1651 | return false; | |
1652 | } | |
1653 | ||
1654 | void retro_unload_game(void) | |
1655 | { | |
1656 | } | |
1657 | ||
1658 | unsigned retro_get_region(void) | |
1659 | { | |
1660 | return Pico.m.pal ? RETRO_REGION_PAL : RETRO_REGION_NTSC; | |
1661 | } | |
1662 | ||
1663 | void *retro_get_memory_data(unsigned type) | |
1664 | { | |
60ef69d6 | 1665 | void *data; |
7612bf90 | 1666 | |
1667 | switch(type) | |
1668 | { | |
1669 | case RETRO_MEMORY_SAVE_RAM: | |
61d76999 | 1670 | /* Note: MCD RAM cart uses Pico.sv.data */ |
1671 | if ((PicoIn.AHW & PAHW_MCD) && | |
1672 | !(PicoIn.opt & POPT_EN_MCD_RAMCART)) | |
7612bf90 | 1673 | data = Pico_mcd->bram; |
1674 | else | |
28a5b392 | 1675 | data = Pico.sv.data; |
7612bf90 | 1676 | break; |
1677 | case RETRO_MEMORY_SYSTEM_RAM: | |
93f9619e | 1678 | if (PicoIn.AHW & PAHW_SMS) |
28a5b392 | 1679 | data = PicoMem.zram; |
7612bf90 | 1680 | else |
28a5b392 | 1681 | data = PicoMem.ram; |
7612bf90 | 1682 | break; |
60ef69d6 | 1683 | case RETRO_MEMORY_VIDEO_RAM: |
1684 | data = PicoMem.vram; | |
1685 | break; | |
1686 | case 4: | |
1687 | data = PicoMem.cram; | |
1688 | break; | |
7612bf90 | 1689 | default: |
1690 | data = NULL; | |
1691 | break; | |
1692 | } | |
1693 | ||
1694 | return data; | |
1695 | } | |
1696 | ||
1697 | size_t retro_get_memory_size(unsigned type) | |
1698 | { | |
1699 | unsigned int i; | |
1700 | int sum; | |
1701 | ||
1702 | switch(type) | |
1703 | { | |
1704 | case RETRO_MEMORY_SAVE_RAM: | |
93f9619e | 1705 | if (PicoIn.AHW & PAHW_MCD) |
61d76999 | 1706 | { |
1707 | if (PicoIn.opt & POPT_EN_MCD_RAMCART) | |
1708 | return 0x12000; | |
1709 | else /* bram */ | |
1710 | return 0x2000; | |
1711 | } | |
7612bf90 | 1712 | |
1713 | if (Pico.m.frame_count == 0) | |
28a5b392 | 1714 | return Pico.sv.size; |
7612bf90 | 1715 | |
1716 | // if game doesn't write to sram, don't report it to | |
1717 | // libretro so that RA doesn't write out zeroed .srm | |
28a5b392 | 1718 | for (i = 0, sum = 0; i < Pico.sv.size; i++) |
1719 | sum |= Pico.sv.data[i]; | |
7612bf90 | 1720 | |
28a5b392 | 1721 | return (sum != 0) ? Pico.sv.size : 0; |
7612bf90 | 1722 | |
1723 | case RETRO_MEMORY_SYSTEM_RAM: | |
93f9619e | 1724 | if (PicoIn.AHW & PAHW_SMS) |
7612bf90 | 1725 | return 0x2000; |
1726 | else | |
28a5b392 | 1727 | return sizeof(PicoMem.ram); |
7612bf90 | 1728 | |
1729 | default: | |
1730 | return 0; | |
1731 | } | |
1732 | ||
1733 | } | |
1734 | ||
1735 | void retro_reset(void) | |
1736 | { | |
1737 | PicoReset(); | |
1738 | } | |
1739 | ||
1740 | static const unsigned short retro_pico_map[] = { | |
e8658312 | 1741 | [RETRO_DEVICE_ID_JOYPAD_B] = 1 << GBTN_B, |
1742 | [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << GBTN_A, | |
1743 | [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << GBTN_MODE, | |
1744 | [RETRO_DEVICE_ID_JOYPAD_START] = 1 << GBTN_START, | |
1745 | [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << GBTN_UP, | |
1746 | [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << GBTN_DOWN, | |
1747 | [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << GBTN_LEFT, | |
1748 | [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << GBTN_RIGHT, | |
1749 | [RETRO_DEVICE_ID_JOYPAD_A] = 1 << GBTN_C, | |
1750 | [RETRO_DEVICE_ID_JOYPAD_X] = 1 << GBTN_Y, | |
1751 | [RETRO_DEVICE_ID_JOYPAD_L] = 1 << GBTN_X, | |
1752 | [RETRO_DEVICE_ID_JOYPAD_R] = 1 << GBTN_Z, | |
7612bf90 | 1753 | }; |
1754 | #define RETRO_PICO_MAP_LEN (sizeof(retro_pico_map) / sizeof(retro_pico_map[0])) | |
1755 | ||
c88b729b | 1756 | static int has_4_pads; |
1757 | ||
7612bf90 | 1758 | static void snd_write(int len) |
1759 | { | |
6311a3ba | 1760 | audio_batch_cb(PicoIn.sndOut, len / 4); |
7612bf90 | 1761 | } |
1762 | ||
1763 | static enum input_device input_name_to_val(const char *name) | |
1764 | { | |
1765 | if (strcmp(name, "3 button pad") == 0) | |
1766 | return PICO_INPUT_PAD_3BTN; | |
1767 | if (strcmp(name, "6 button pad") == 0) | |
1768 | return PICO_INPUT_PAD_6BTN; | |
1d5885dd | 1769 | if (strcmp(name, "team player") == 0) |
1770 | return PICO_INPUT_PAD_TEAM; | |
1771 | if (strcmp(name, "4way play") == 0) | |
1772 | return PICO_INPUT_PAD_4WAY; | |
7612bf90 | 1773 | if (strcmp(name, "None") == 0) |
1774 | return PICO_INPUT_NOTHING; | |
1775 | ||
1776 | if (log_cb) | |
1777 | log_cb(RETRO_LOG_WARN, "invalid picodrive_input: '%s'\n", name); | |
1778 | return PICO_INPUT_PAD_3BTN; | |
1779 | } | |
1780 | ||
61d76999 | 1781 | static void update_variables(bool first_run) |
7612bf90 | 1782 | { |
1783 | struct retro_variable var; | |
24aab4da | 1784 | int OldPicoRegionOverride; |
2767adb5 | 1785 | float old_vout_aspect; |
61d76999 | 1786 | unsigned old_frameskip_type; |
cd262e4c | 1787 | int old_vout_format; |
61d76999 | 1788 | double new_sound_rate; |
30969671 | 1789 | unsigned short old_snd_filter; |
1790 | int32_t old_snd_filter_range; | |
7612bf90 | 1791 | |
1792 | var.value = NULL; | |
1793 | var.key = "picodrive_input1"; | |
c88b729b | 1794 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { |
1795 | int input = input_name_to_val(var.value); | |
1796 | PicoSetInputDevice(0, input); | |
1797 | has_4_pads = input == PICO_INPUT_PAD_TEAM || input == PICO_INPUT_PAD_4WAY; | |
1798 | } | |
7612bf90 | 1799 | |
1800 | var.value = NULL; | |
1801 | var.key = "picodrive_input2"; | |
1802 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) | |
1803 | PicoSetInputDevice(1, input_name_to_val(var.value)); | |
1804 | ||
1805 | var.value = NULL; | |
280bfc3c | 1806 | var.key = "picodrive_ramcart"; |
7612bf90 | 1807 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { |
1808 | if (strcmp(var.value, "enabled") == 0) | |
280bfc3c | 1809 | PicoIn.opt |= POPT_EN_MCD_RAMCART; |
7612bf90 | 1810 | else |
280bfc3c | 1811 | PicoIn.opt &= ~POPT_EN_MCD_RAMCART; |
7612bf90 | 1812 | } |
1813 | ||
1814 | var.value = NULL; | |
280bfc3c | 1815 | var.key = "picodrive_smstype"; |
7612bf90 | 1816 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { |
280bfc3c | 1817 | if (strcmp(var.value, "Auto") == 0) |
1818 | PicoIn.hwSelect = PHWS_AUTO; | |
1819 | else if (strcmp(var.value, "Game Gear") == 0) | |
1820 | PicoIn.hwSelect = PHWS_GG; | |
df6c895c | 1821 | else if (strcmp(var.value, "SG-1000") == 0) |
1822 | PicoIn.hwSelect = PHWS_SG; | |
cab84f29 | 1823 | else if (strcmp(var.value, "SC-3000") == 0) |
1824 | PicoIn.hwSelect = PHWS_SC; | |
7612bf90 | 1825 | else |
280bfc3c | 1826 | PicoIn.hwSelect = PHWS_SMS; |
7612bf90 | 1827 | } |
1828 | ||
6791d847 | 1829 | var.value = NULL; |
1830 | var.key = "picodrive_smsfm"; | |
1831 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1832 | if (strcmp(var.value, "on") == 0) | |
1833 | PicoIn.opt |= POPT_EN_YM2413; | |
1834 | else | |
1835 | PicoIn.opt &= ~POPT_EN_YM2413; | |
1836 | } | |
1837 | ||
214a6c62 | 1838 | var.value = NULL; |
1839 | var.key = "picodrive_smstms"; | |
1840 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1841 | if (strcmp(var.value, "SG-1000") == 0) | |
1842 | PicoIn.tmsPalette = 1; | |
1843 | else | |
1844 | PicoIn.tmsPalette = 0; | |
1845 | } | |
1846 | ||
f9ea940f | 1847 | var.value = NULL; |
1848 | var.key = "picodrive_smsmapper"; | |
1849 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1850 | if (strcmp(var.value, "Auto") == 0) | |
06d963c7 | 1851 | PicoIn.mapper = PMS_MAP_AUTO; |
f9ea940f | 1852 | else if (strcmp(var.value, "Codemasters") == 0) |
06d963c7 | 1853 | PicoIn.mapper = PMS_MAP_CODEM; |
f9ea940f | 1854 | else if (strcmp(var.value, "Korea") == 0) |
06d963c7 | 1855 | PicoIn.mapper = PMS_MAP_KOREA; |
f9ea940f | 1856 | else if (strcmp(var.value, "Korea MSX") == 0) |
06d963c7 | 1857 | PicoIn.mapper = PMS_MAP_MSX; |
f9ea940f | 1858 | else if (strcmp(var.value, "Korea X-in-1") == 0) |
06d963c7 | 1859 | PicoIn.mapper = PMS_MAP_N32K; |
f9ea940f | 1860 | else if (strcmp(var.value, "Korea 4-Pak") == 0) |
06d963c7 | 1861 | PicoIn.mapper = PMS_MAP_N16K; |
f9ea940f | 1862 | else if (strcmp(var.value, "Korea Janggun") == 0) |
06d963c7 | 1863 | PicoIn.mapper = PMS_MAP_JANGGUN; |
f9ea940f | 1864 | else if (strcmp(var.value, "Korea Nemesis") == 0) |
06d963c7 | 1865 | PicoIn.mapper = PMS_MAP_NEMESIS; |
171fb8cc | 1866 | else if (strcmp(var.value, "Taiwan 8K RAM") == 0) |
df6c895c | 1867 | PicoIn.mapper = PMS_MAP_8KBRAM; |
f9ea940f | 1868 | else |
06d963c7 | 1869 | PicoIn.mapper = PMS_MAP_SEGA; |
f9ea940f | 1870 | } |
1871 | ||
f55ce7bf | 1872 | var.value = NULL; |
1873 | var.key = "picodrive_ggghost"; | |
1874 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1875 | if (strcmp(var.value, "normal") == 0) | |
1876 | vout_ghosting = 2; | |
1877 | else if (strcmp(var.value, "weak") == 0) | |
1878 | vout_ghosting = 1; | |
1879 | else | |
1880 | vout_ghosting = 0; | |
1881 | } | |
1882 | ||
93f9619e | 1883 | OldPicoRegionOverride = PicoIn.regionOverride; |
7612bf90 | 1884 | var.value = NULL; |
1885 | var.key = "picodrive_region"; | |
1886 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1887 | if (strcmp(var.value, "Auto") == 0) | |
93f9619e | 1888 | PicoIn.regionOverride = 0; |
7612bf90 | 1889 | else if (strcmp(var.value, "Japan NTSC") == 0) |
93f9619e | 1890 | PicoIn.regionOverride = 1; |
7612bf90 | 1891 | else if (strcmp(var.value, "Japan PAL") == 0) |
93f9619e | 1892 | PicoIn.regionOverride = 2; |
7612bf90 | 1893 | else if (strcmp(var.value, "US") == 0) |
93f9619e | 1894 | PicoIn.regionOverride = 4; |
7612bf90 | 1895 | else if (strcmp(var.value, "Europe") == 0) |
93f9619e | 1896 | PicoIn.regionOverride = 8; |
7612bf90 | 1897 | } |
1898 | ||
7612bf90 | 1899 | // Update region, fps and sound flags if needed |
93f9619e | 1900 | if (Pico.rom && PicoIn.regionOverride != OldPicoRegionOverride) |
7612bf90 | 1901 | { |
1902 | PicoDetectRegion(); | |
1903 | PicoLoopPrepare(); | |
a990d9c4 | 1904 | if (PicoIn.sndRate > 52000 && PicoIn.sndRate < 54000) |
882f697a | 1905 | PicoIn.sndRate = YM2612_NATIVE_RATE(); |
1906 | PsndRerate(!first_run); | |
7612bf90 | 1907 | } |
1908 | ||
2767adb5 | 1909 | old_vout_aspect = vout_aspect; |
7612bf90 | 1910 | var.value = NULL; |
1911 | var.key = "picodrive_aspect"; | |
1912 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1913 | if (strcmp(var.value, "4/3") == 0) | |
2767adb5 | 1914 | vout_aspect = VOUT_4_3; |
7612bf90 | 1915 | else if (strcmp(var.value, "CRT") == 0) |
2767adb5 | 1916 | vout_aspect = VOUT_CRT; |
7612bf90 | 1917 | else |
2767adb5 | 1918 | vout_aspect = VOUT_PAR; |
7612bf90 | 1919 | } |
1920 | ||
906cc854 | 1921 | /* Notify frontend of geometry update */ |
2767adb5 | 1922 | if (vout_aspect != old_vout_aspect) |
906cc854 | 1923 | libretro_update_geometry = true; |
61d76999 | 1924 | |
280bfc3c | 1925 | var.value = NULL; |
1926 | var.key = "picodrive_sprlim"; | |
1927 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1928 | if (strcmp(var.value, "enabled") == 0) | |
1929 | PicoIn.opt |= POPT_DIS_SPRITE_LIM; | |
1930 | else | |
1931 | PicoIn.opt &= ~POPT_DIS_SPRITE_LIM; | |
1932 | } | |
1933 | ||
35f2b65e | 1934 | var.value = NULL; |
1935 | var.key = "picodrive_overclk68k"; | |
1936 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1937 | PicoIn.overclockM68k = 0; | |
1938 | if (var.value[0] == '+') | |
1939 | PicoIn.overclockM68k = atoi(var.value + 1); | |
1940 | } | |
1941 | ||
7612bf90 | 1942 | #ifdef DRC_SH2 |
1943 | var.value = NULL; | |
1944 | var.key = "picodrive_drc"; | |
1945 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1946 | if (strcmp(var.value, "enabled") == 0) | |
93f9619e | 1947 | PicoIn.opt |= POPT_EN_DRC; |
7612bf90 | 1948 | else |
93f9619e | 1949 | PicoIn.opt &= ~POPT_EN_DRC; |
7612bf90 | 1950 | } |
1951 | #endif | |
1952 | #ifdef _3DS | |
1953 | if(!ctr_svchack_successful) | |
93f9619e | 1954 | PicoIn.opt &= ~POPT_EN_DRC; |
7612bf90 | 1955 | #endif |
61d76999 | 1956 | |
23cd73bc | 1957 | var.value = NULL; |
1958 | var.key = "picodrive_dacnoise"; | |
1959 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1960 | if (strcmp(var.value, "enabled") == 0) | |
1961 | PicoIn.opt |= POPT_EN_FM_DAC; | |
1962 | else | |
1963 | PicoIn.opt &= ~POPT_EN_FM_DAC; | |
1964 | } | |
1965 | ||
68a95087 | 1966 | var.value = NULL; |
1967 | var.key = "picodrive_fm_filter"; | |
1968 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
1969 | if (strcmp(var.value, "on") == 0) | |
1970 | PicoIn.opt |= POPT_EN_FM_FILTER; | |
1971 | else | |
1972 | PicoIn.opt &= ~POPT_EN_FM_FILTER; | |
1973 | } | |
1974 | ||
37631374 | 1975 | old_snd_filter = PicoIn.opt & POPT_EN_SNDFILTER; |
61d76999 | 1976 | var.value = NULL; |
1977 | var.key = "picodrive_audio_filter"; | |
37631374 | 1978 | PicoIn.opt &= ~POPT_EN_SNDFILTER; |
61d76999 | 1979 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { |
1980 | if (strcmp(var.value, "low-pass") == 0) | |
37631374 | 1981 | PicoIn.opt |= POPT_EN_SNDFILTER; |
61d76999 | 1982 | } |
1983 | ||
37631374 | 1984 | old_snd_filter_range = PicoIn.sndFilterAlpha; |
61d76999 | 1985 | var.value = NULL; |
1986 | var.key = "picodrive_lowpass_range"; | |
37631374 | 1987 | PicoIn.sndFilterAlpha = (60 * 0x10000 / 100); |
61d76999 | 1988 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { |
37631374 | 1989 | PicoIn.sndFilterAlpha = (atoi(var.value) * 0x10000 / 100); |
61d76999 | 1990 | } |
1991 | ||
37631374 | 1992 | if (((old_snd_filter ^ PicoIn.opt) & POPT_EN_SNDFILTER) || |
1993 | old_snd_filter_range != PicoIn.sndFilterAlpha) { | |
1994 | mix_reset (PicoIn.opt & POPT_EN_SNDFILTER ? PicoIn.sndFilterAlpha : 0); | |
30969671 | 1995 | } |
1996 | ||
61d76999 | 1997 | old_frameskip_type = frameskip_type; |
1998 | frameskip_type = 0; | |
1999 | var.key = "picodrive_frameskip"; | |
2000 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
2001 | if (strcmp(var.value, "auto") == 0) | |
2002 | frameskip_type = 1; | |
2003 | else if (strcmp(var.value, "manual") == 0) | |
2004 | frameskip_type = 2; | |
2005 | } | |
2006 | ||
2007 | frameskip_threshold = 33; | |
2008 | var.key = "picodrive_frameskip_threshold"; | |
2009 | var.value = NULL; | |
2010 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) | |
2011 | frameskip_threshold = strtol(var.value, NULL, 10); | |
2012 | ||
cd262e4c | 2013 | old_vout_format = vout_format; |
61d76999 | 2014 | var.value = NULL; |
2015 | var.key = "picodrive_renderer"; | |
2016 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
2017 | if (strcmp(var.value, "fast") == 0) | |
cd262e4c | 2018 | vout_format = PDF_NONE; |
2019 | else if (strcmp(var.value, "good") == 0) | |
2020 | vout_format = PDF_8BIT; | |
2021 | else if (strcmp(var.value, "accurate") == 0) | |
2022 | vout_format = PDF_RGB555; | |
1bbe9abf | 2023 | vout_16bit = vout_format == PDF_RGB555 || (PicoIn.AHW & PAHW_32X); |
cd262e4c | 2024 | |
1bbe9abf | 2025 | apply_renderer(); |
61d76999 | 2026 | } |
2027 | ||
2028 | var.value = NULL; | |
2029 | var.key = "picodrive_sound_rate"; | |
2030 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { | |
882f697a | 2031 | if (!strcmp(var.value, "native")) |
906cc854 | 2032 | new_sound_rate = YM2612_NATIVE_RATE(); |
2033 | else | |
2034 | new_sound_rate = atoi(var.value); | |
61d76999 | 2035 | if (new_sound_rate != PicoIn.sndRate) { |
2036 | /* Update the sound rate */ | |
2037 | PicoIn.sndRate = new_sound_rate; | |
882f697a | 2038 | PsndRerate(!first_run); |
906cc854 | 2039 | libretro_update_av_info = true; |
61d76999 | 2040 | } |
2041 | } | |
2042 | ||
cd262e4c | 2043 | /* setup video if required */ |
e8658312 | 2044 | if (vout_format != old_vout_format) |
cd262e4c | 2045 | { |
bccd8832 | 2046 | if (vout_buf && |
2047 | (vm_current_start_line != -1) && (vm_current_line_count != -1) && | |
2048 | (vm_current_start_col != -1) && (vm_current_col_count != -1)) | |
cd262e4c | 2049 | emu_video_mode_change( |
d5d17782 | 2050 | vm_current_start_line, vm_current_line_count, |
2051 | vm_current_start_col, vm_current_col_count); | |
cd262e4c | 2052 | } |
2053 | ||
61d76999 | 2054 | /* Reinitialise frameskipping, if required */ |
2055 | if (((frameskip_type != old_frameskip_type) || | |
2056 | (Pico.rom && PicoIn.regionOverride != OldPicoRegionOverride)) && | |
2057 | !first_run) | |
2058 | init_frameskip(); | |
7612bf90 | 2059 | } |
2060 | ||
a5085db3 | 2061 | void emu_status_msg(const char *format, ...) |
2062 | { | |
2063 | va_list vl; | |
2064 | int ret; | |
2065 | static char msg[512]; | |
2066 | ||
2067 | memset (msg, 0, sizeof(msg)); | |
2068 | ||
2069 | va_start(vl, format); | |
2070 | ret = vsnprintf(msg, sizeof(msg), format, vl); | |
2071 | va_end(vl); | |
2072 | ||
2073 | static struct retro_message rmsg; | |
2074 | rmsg.msg = msg; | |
2075 | rmsg.frames = 600; | |
2076 | environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, &rmsg); | |
2077 | } | |
2078 | ||
c87e36d7 | 2079 | static void draw_pico_ptr(void) |
2080 | { | |
2081 | int up = (PicoPicohw.pen_pos[0]|PicoPicohw.pen_pos[1]) & 0x8000; | |
5f9901e0 | 2082 | int x, y, pitch = vout_width; |
c87e36d7 | 2083 | unsigned short *p = (unsigned short *)((char *)vout_buf + vout_offset); |
2084 | int o = (up ? 0x0000 : 0xffff), _ = (up ? 0xffff : 0x0000); | |
5f9901e0 | 2085 | // storyware pages are actually squished, 2:1 |
2086 | int h = (pico_inp_mode == 1 ? 160 : vout_height); | |
2087 | if (h < 224) y++; | |
c87e36d7 | 2088 | |
5f9901e0 | 2089 | x = ((pico_pen_x * vout_width * ((1ULL<<32) / 320 + 1)) >> 32); |
2090 | y = ((pico_pen_y * h * ((1ULL<<32) / 224 + 1)) >> 32); | |
c87e36d7 | 2091 | p += x + y * pitch; |
2092 | ||
5f9901e0 | 2093 | p[-pitch-1] ^= o; p[-pitch] ^= _; p[-pitch+1] ^= _; p[-pitch+2] ^= o; |
2094 | p[-1] ^= _; p[0] ^= o; p[1] ^= o; p[2] ^= _; | |
2095 | p[pitch-1] ^= _; p[pitch] ^= o; p[pitch+1] ^= o; p[pitch+2] ^= _; | |
2096 | p[2*pitch-1]^= o; p[2*pitch]^= _; p[2*pitch+1]^= _; p[2*pitch+2]^= o; | |
2097 | } | |
2098 | ||
2099 | static int readpng(unsigned short *dest, const char *fname, int req_w, int req_h) | |
2100 | { | |
2101 | rpng_t *rpng = rpng_alloc(); | |
2102 | FILE *pf = fopen(fname, "rb"); | |
2103 | void *png = NULL, *img = NULL; | |
2104 | size_t len; | |
2105 | unsigned int x, y, w = req_w, h = req_h; | |
2106 | int ret = -1; | |
2107 | ||
2108 | if (!rpng || !pf) { | |
2109 | lprintf("can't read png file %s", fname); | |
2110 | goto done; | |
2111 | } | |
2112 | ||
2113 | // who designed this, reading the whole file for inflating, really? | |
2114 | fseek(pf, 0, SEEK_END); | |
2115 | len = ftell(pf); | |
2116 | fseek(pf, 0, SEEK_SET); | |
2117 | if (!(png = malloc(len))) { | |
2118 | lprintf("oom while reading png file %s", fname); | |
2119 | goto done; | |
2120 | } | |
2121 | fread(png, 1, len, pf); | |
2122 | ||
2123 | // again, who designed this? why all this superfluous iterating here? | |
2124 | rpng_set_buf_ptr(rpng, png, len); | |
2125 | rpng_start(rpng); | |
2126 | while (rpng_iterate_image(rpng)); | |
2127 | do { | |
2128 | ret = rpng_process_image(rpng, &img, len, &w, &h); | |
2129 | } while (ret == IMAGE_PROCESS_NEXT); | |
2130 | ||
2131 | // there's already a scaled pngread in libpicofe, but who cares :-/ | |
2132 | if (img && rpng_is_valid(rpng)) { | |
2133 | int x_scale = w*65536 / req_w; | |
2134 | int y_scale = h*65536 / req_h; | |
2135 | int x_ofs, y_ofs, x_pos, y_pos; | |
2136 | ||
2137 | if (x_scale < y_scale) | |
2138 | x_scale = y_scale; | |
2139 | else y_scale = x_scale; | |
2140 | x_ofs = req_w - w*65536 / x_scale; | |
2141 | y_ofs = req_h - h*65536 / y_scale; | |
2142 | ||
2143 | dest += y_ofs/2*req_w + x_ofs/2; | |
2144 | for (y_pos = 0; y_pos < h*65536; y_pos += y_scale+1) | |
2145 | { | |
2146 | unsigned char *src = (unsigned char *)img + 4*w*(y_pos >> 16); | |
2147 | for (x_pos = 0, len = 0; x_pos < w*65536; x_pos += x_scale+1, len++) | |
2148 | { | |
2149 | // to add insult to injury, rpng writes the image endian dependant! | |
2150 | unsigned int d = *(unsigned int *)&src[4*(x_pos >> 16)]; | |
2151 | int r = d >> 16, g = d >> 8, b = d; | |
2152 | *dest++ = PXMAKE(r & 0xff, g & 0xff, b & 0xff); | |
2153 | } | |
2154 | dest += req_w - len; | |
2155 | } | |
2156 | } | |
2157 | ret = 0; | |
2158 | ||
2159 | done: | |
2160 | if (img) free(img); | |
2161 | if (png) free(png); | |
2162 | if (pf) fclose(pf); | |
2163 | rpng_free(rpng); | |
2164 | return ret; | |
2165 | } | |
2166 | ||
2167 | static unsigned short *load_pico_overlay(int page, int w, int h) | |
2168 | { | |
2169 | static const char *pic_exts[] = { "png", "PNG" }; | |
2170 | char buffer[PATH_MAX]; | |
2171 | char *ext, *fname = NULL; | |
2172 | int extpos, i; | |
2173 | ||
2174 | if (pico_page == page && pico_w == w && pico_h == h) | |
2175 | return pico_overlay; | |
2176 | pico_page = page; | |
2177 | pico_w = w, pico_h = h; | |
2178 | ||
2179 | ext = strrchr(pico_overlay_path, '.'); | |
2180 | extpos = ext ? ext-pico_overlay_path : strlen(pico_overlay_path); | |
2181 | strcpy(buffer, pico_overlay_path); | |
2182 | buffer[extpos++] = '_'; | |
2183 | if (page < 0) { | |
2184 | buffer[extpos++] = 'p'; | |
2185 | buffer[extpos++] = 'a'; | |
2186 | buffer[extpos++] = 'd'; | |
2187 | } else | |
2188 | buffer[extpos++] = '0'+PicoPicohw.page; | |
2189 | buffer[extpos++] = '.'; | |
2190 | ||
2191 | for (i = 0; i < ARRAY_SIZE(pic_exts); i++) { | |
2192 | strcpy(buffer+extpos, pic_exts[i]); | |
2193 | if (path_is_valid(buffer) == RETRO_VFS_STAT_IS_VALID) { | |
2194 | printf("found Pico file: %s\n", buffer); | |
2195 | fname = buffer; | |
2196 | break; | |
2197 | } | |
2198 | } | |
2199 | ||
2200 | pico_overlay = realloc(pico_overlay, w*h*2); | |
2201 | memset(pico_overlay, 0, w*h*2); | |
2202 | if (!fname || !pico_overlay || readpng(pico_overlay, fname, w, h)) { | |
2203 | if (pico_overlay) | |
2204 | free(pico_overlay); | |
2205 | pico_overlay = NULL; | |
2206 | } | |
2207 | ||
2208 | return pico_overlay; | |
2209 | } | |
2210 | ||
2211 | void emu_pico_overlay(u16 *pd, int w, int h, int pitch) | |
2212 | { | |
2213 | u16 *overlay = NULL; | |
2214 | int y, oh = h; | |
2215 | ||
2216 | // get overlay | |
2217 | if (pico_inp_mode == 1) { | |
2218 | oh = (w/2 < h ? w/2 : h); // storyware has squished h | |
2219 | overlay = load_pico_overlay(PicoPicohw.page, w, oh); | |
2220 | } else if (pico_inp_mode == 2) | |
2221 | overlay = load_pico_overlay(-1, w, oh); | |
2222 | ||
2223 | // copy overlay onto buffer | |
2224 | if (overlay) { | |
2225 | for (y = 0; y < oh; y++) | |
2226 | memcpy(pd + y*pitch, overlay + y*w, w*2); | |
2227 | if (y < h) | |
2228 | memset(pd + y*pitch, 0, w*2); | |
2229 | } | |
c87e36d7 | 2230 | } |
2231 | ||
a5085db3 | 2232 | void run_events_pico(unsigned int events) |
2233 | { | |
2234 | int lim_x; | |
2235 | ||
a5085db3 | 2236 | if (events & (1 << RETRO_DEVICE_ID_JOYPAD_L)) { |
2237 | PicoPicohw.page--; | |
2238 | if (PicoPicohw.page < 0) | |
2239 | PicoPicohw.page = 0; | |
2240 | emu_status_msg("Page %i", PicoPicohw.page); | |
2241 | } | |
2242 | if (events & (1 << RETRO_DEVICE_ID_JOYPAD_R)) { | |
2243 | PicoPicohw.page++; | |
2244 | if (PicoPicohw.page > 6) | |
2245 | PicoPicohw.page = 6; | |
2246 | emu_status_msg("Page %i", PicoPicohw.page); | |
2247 | } | |
c87e36d7 | 2248 | if (events & (1 << RETRO_DEVICE_ID_JOYPAD_X)) { |
5f9901e0 | 2249 | if (pico_inp_mode == 2) { |
2250 | pico_inp_mode = 0; | |
2251 | emu_status_msg("Input: D-Pad"); | |
2252 | } else { | |
2253 | pico_inp_mode = 2; | |
2254 | emu_status_msg("Input: Pen on Pad"); | |
2255 | } | |
2256 | } | |
2257 | if (events & (1 << RETRO_DEVICE_ID_JOYPAD_SELECT)) { | |
2258 | if (pico_inp_mode == 1) { | |
2259 | pico_inp_mode = 0; | |
2260 | emu_status_msg("Input: D-Pad"); | |
2261 | } else { | |
2262 | pico_inp_mode = 1; | |
2263 | emu_status_msg("Input: Pen on Storyware"); | |
2264 | } | |
c87e36d7 | 2265 | } |
2266 | if (events & (1 << RETRO_DEVICE_ID_JOYPAD_START)) { | |
2267 | PicoPicohw.pen_pos[0] ^= 0x8000; | |
2268 | PicoPicohw.pen_pos[1] ^= 0x8000; | |
2269 | emu_status_msg("Pen %s", PicoPicohw.pen_pos[0] & 0x8000 ? "Up" : "Down"); | |
2270 | } | |
a5085db3 | 2271 | |
5f9901e0 | 2272 | if ((PicoIn.pad[0] & 0x20) && pico_inp_mode && pico_overlay) { |
2273 | pico_inp_mode = 0; | |
2274 | emu_status_msg("Input: D-Pad"); | |
2275 | } | |
a5085db3 | 2276 | if (pico_inp_mode == 0) |
2277 | return; | |
2278 | ||
2279 | /* handle other input modes */ | |
2280 | if (PicoIn.pad[0] & 1) pico_pen_y--; | |
2281 | if (PicoIn.pad[0] & 2) pico_pen_y++; | |
2282 | if (PicoIn.pad[0] & 4) pico_pen_x--; | |
2283 | if (PicoIn.pad[0] & 8) pico_pen_x++; | |
2284 | PicoIn.pad[0] &= ~0x0f; // release UDLR | |
2285 | ||
dca20eff | 2286 | if (pico_pen_y < PICO_PEN_ADJUST_Y) |
2287 | pico_pen_y = PICO_PEN_ADJUST_Y; | |
5f9901e0 | 2288 | if (pico_pen_y > 223-1 - PICO_PEN_ADJUST_Y) |
2289 | pico_pen_y = 223-1 - PICO_PEN_ADJUST_Y; | |
dca20eff | 2290 | if (pico_pen_x < PICO_PEN_ADJUST_X) |
2291 | pico_pen_x = PICO_PEN_ADJUST_X; | |
5f9901e0 | 2292 | if (pico_pen_x > 319-1 - PICO_PEN_ADJUST_X) |
2293 | pico_pen_x = 319-1 - PICO_PEN_ADJUST_X; | |
a5085db3 | 2294 | |
c87e36d7 | 2295 | PicoPicohw.pen_pos[0] &= 0x8000; |
2296 | PicoPicohw.pen_pos[1] &= 0x8000; | |
2297 | PicoPicohw.pen_pos[0] |= 0x3c + pico_pen_x; | |
2298 | PicoPicohw.pen_pos[1] |= (pico_inp_mode == 1 ? 0x2f8 : 0x1fc) + pico_pen_y; | |
a5085db3 | 2299 | } |
2300 | ||
7612bf90 | 2301 | void retro_run(void) |
2302 | { | |
2303 | bool updated = false; | |
c88b729b | 2304 | int pad, i, padcount; |
61d76999 | 2305 | static void *buff; |
2306 | ||
2307 | PicoIn.skipFrame = 0; | |
7612bf90 | 2308 | |
2309 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) | |
61d76999 | 2310 | update_variables(false); |
7612bf90 | 2311 | |
2312 | input_poll_cb(); | |
2313 | ||
1d5885dd | 2314 | PicoIn.pad[0] = PicoIn.pad[1] = PicoIn.pad[2] = PicoIn.pad[3] = 0; |
a5085db3 | 2315 | if (PicoIn.AHW & PAHW_PICO) |
2316 | padcount = 1; | |
2317 | else if (PicoIn.AHW & PAHW_SMS) | |
2318 | padcount = 2; | |
2319 | else | |
2320 | padcount = has_4_pads ? 4 : 2; | |
2321 | ||
2322 | int16_t input[4] = {0, 0}; | |
2323 | ||
2324 | if (libretro_supports_bitmasks) | |
2325 | { | |
2326 | for (pad = 0; pad < padcount; pad++) | |
2327 | { | |
2328 | input[pad] = input_state_cb( | |
2329 | pad, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK); | |
2330 | } | |
2331 | } | |
2332 | else | |
2333 | { | |
2334 | for (pad = 0; pad < padcount; pad++) | |
2335 | { | |
b106e5c7 | 2336 | for (i = 0; i < RETRO_PICO_MAP_LEN; i++) |
2337 | if (input_state_cb(pad, RETRO_DEVICE_JOYPAD, 0, i)) | |
a5085db3 | 2338 | input[pad] |= 1 << i; |
b106e5c7 | 2339 | } |
2340 | } | |
7612bf90 | 2341 | |
a5085db3 | 2342 | for (pad = 0; pad < padcount; pad++) |
2343 | for (i = 0; i < RETRO_PICO_MAP_LEN; i++) | |
2344 | if (input[pad] & (1 << i)) | |
2345 | PicoIn.pad[pad] |= retro_pico_map[i]; | |
2346 | ||
2347 | if (PicoIn.AHW == PAHW_PICO) { | |
c87e36d7 | 2348 | uint16_t ev = input[0] & |
2349 | ((1 << RETRO_DEVICE_ID_JOYPAD_L) | (1 << RETRO_DEVICE_ID_JOYPAD_R) | | |
2350 | (1 << RETRO_DEVICE_ID_JOYPAD_X) | (1 << RETRO_DEVICE_ID_JOYPAD_SELECT) | | |
2351 | (1 << RETRO_DEVICE_ID_JOYPAD_START)); | |
a5085db3 | 2352 | uint16_t new_ev = ev & ~pico_events; |
2353 | pico_events = ev; | |
2354 | run_events_pico(new_ev); | |
2355 | } | |
2356 | ||
61d76999 | 2357 | if (PicoPatches) |
2358 | PicoPatchApply(); | |
2359 | ||
2360 | /* Check whether current frame should | |
2361 | * be skipped */ | |
2362 | if ((frameskip_type > 0) && retro_audio_buff_active) { | |
2363 | switch (frameskip_type) | |
2364 | { | |
2365 | case 1: /* auto */ | |
2366 | PicoIn.skipFrame = retro_audio_buff_underrun ? 1 : 0; | |
2367 | break; | |
2368 | case 2: /* manual */ | |
2369 | PicoIn.skipFrame = (retro_audio_buff_occupancy < frameskip_threshold) ? 1 : 0; | |
2370 | break; | |
2371 | default: | |
2372 | PicoIn.skipFrame = 0; | |
2373 | break; | |
2374 | } | |
2375 | ||
2376 | if (!PicoIn.skipFrame || (frameskip_counter >= FRAMESKIP_MAX)) { | |
2377 | PicoIn.skipFrame = 0; | |
2378 | frameskip_counter = 0; | |
2379 | } else | |
2380 | frameskip_counter++; | |
2381 | } | |
2382 | ||
2383 | /* If frameskip settings have changed, update | |
2384 | * frontend audio latency */ | |
2385 | if (update_audio_latency) { | |
2386 | environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY, | |
2387 | &audio_latency); | |
2388 | update_audio_latency = false; | |
2389 | } | |
2390 | ||
7612bf90 | 2391 | PicoFrame(); |
2392 | ||
906cc854 | 2393 | /* Check whether frontend needs to be notified |
2394 | * of timing/geometry changes */ | |
2395 | if (libretro_update_av_info || libretro_update_geometry) { | |
2396 | struct retro_system_av_info av_info; | |
2397 | retro_get_system_av_info(&av_info); | |
2398 | environ_cb(libretro_update_av_info ? | |
2399 | RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO : | |
2400 | RETRO_ENVIRONMENT_SET_GEOMETRY, | |
2401 | &av_info); | |
2402 | libretro_update_av_info = false; | |
2403 | libretro_update_geometry = false; | |
2404 | } | |
2405 | ||
61d76999 | 2406 | /* If frame was skipped, call video_cb() with |
2407 | * a NULL buffer and return immediately */ | |
2408 | if (PicoIn.skipFrame) { | |
2409 | video_cb(NULL, vout_width, vout_height, vout_width * 2); | |
2410 | return; | |
2411 | } | |
2412 | ||
2413 | #if defined(RENDER_GSKIT_PS2) | |
2414 | buff = (uint32_t *)RETRO_HW_FRAME_BUFFER_VALID; | |
2415 | ||
2416 | if (!ps2) { | |
7e5b769d | 2417 | // get access to the graphics hardware |
61d76999 | 2418 | if (!environ_cb(RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE, (void **)&ps2) || !ps2) { |
2419 | printf("Failed to get HW rendering interface!\n"); | |
2420 | return; | |
7e5b769d | 2421 | } |
61d76999 | 2422 | |
2423 | if (ps2->interface_version != RETRO_HW_RENDER_INTERFACE_GSKIT_PS2_VERSION) { | |
2424 | printf("HW render interface mismatch, expected %u, got %u!\n", | |
2425 | RETRO_HW_RENDER_INTERFACE_GSKIT_PS2_VERSION, ps2->interface_version); | |
2426 | return; | |
2427 | } | |
2428 | ||
61d76999 | 2429 | ps2->coreTexture->ClutPSM = GS_PSM_CT16; |
2430 | ps2->coreTexture->Filter = GS_FILTER_LINEAR; | |
2431 | ps2->coreTexture->Clut = retro_palette; | |
61d76999 | 2432 | |
61d76999 | 2433 | ps2->coreTexture->Mem = vout_buf; |
7e5b769d | 2434 | ps2->coreTexture->Width = vout_width; |
2435 | ps2->coreTexture->Height = vout_height; | |
2436 | ps2->coreTexture->PSM = (vout_16bit ? GS_PSM_CT16 : GS_PSM_T8); | |
2437 | ps2->padding = padding; | |
61d76999 | 2438 | } |
2439 | ||
7e5b769d | 2440 | // CLUT update needed? |
2441 | if (!vout_16bit && Pico.m.dirtyPal) { | |
2442 | PicoDrawUpdateHighPal(); | |
2443 | ||
2444 | // Rotate CLUT. PS2 is special since entries in CLUT are not in sequence. | |
2445 | unsigned short int *pal=(void *)retro_palette; | |
2446 | for (i = 0; i < 256; i+=8) { | |
2447 | if ((i&0x18) == 0x08) | |
2448 | memcpy(pal+i,Pico.est.HighPal+i+8,16); | |
2449 | else if ((i&0x18) == 0x10) | |
2450 | memcpy(pal+i,Pico.est.HighPal+i-8,16); | |
2451 | else | |
2452 | memcpy(pal+i,Pico.est.HighPal+i,16); | |
2453 | } | |
2454 | } | |
61d76999 | 2455 | #else |
cd262e4c | 2456 | if (!vout_16bit) { |
2457 | /* The 8 bit renderers write a CLUT image in Pico.est.Draw2FB, while libretro wants RGB in vout_buf. | |
2458 | * We need to manually copy that to vout_buf, applying the CLUT on the way. Especially | |
2459 | * with the fast renderer this is improving performance, at the expense of accuracy. | |
61d76999 | 2460 | */ |
2461 | /* This section is mostly copied from pemu_finalize_frame in platform/linux/emu.c */ | |
e8658312 | 2462 | unsigned short *pd = (unsigned short *)((char *)vout_buf + vout_offset); |
cd262e4c | 2463 | /* Skip the leftmost 8 columns (it is used as an overlap area for rendering) */ |
e8658312 | 2464 | unsigned char *ps = Pico.est.Draw2FB + vm_current_start_line * 328 + 8; |
61d76999 | 2465 | unsigned short *pal = Pico.est.HighPal; |
2466 | int x; | |
2467 | if (Pico.m.dirtyPal) | |
2468 | PicoDrawUpdateHighPal(); | |
96948bdf | 2469 | /* 8 bit renderers have an extra offset for SMS wíth 1st tile blanked */ |
2470 | if (vout_width == 248) | |
2471 | ps += 8; | |
e8658312 | 2472 | /* Copy, and skip the leftmost 8 columns again */ |
2473 | for (i = 0; i < vout_height; i++, ps += 8) { | |
cd262e4c | 2474 | for (x = 0; x < vout_width; x+=4) { |
2475 | *pd++ = pal[*ps++]; | |
2476 | *pd++ = pal[*ps++]; | |
61d76999 | 2477 | *pd++ = pal[*ps++]; |
cd262e4c | 2478 | *pd++ = pal[*ps++]; |
2479 | } | |
2480 | ps += 320-vout_width; /* Advance to next line in case of 32col mode */ | |
2481 | } | |
61d76999 | 2482 | } |
2483 | ||
f55ce7bf | 2484 | if (vout_ghosting && vout_height == 144) { |
2485 | unsigned short *pd = (unsigned short *)vout_buf; | |
2486 | unsigned short *ps = (unsigned short *)vout_ghosting_buf; | |
2487 | int y; | |
e8658312 | 2488 | for (y = 0; y < vout_height; y++) { |
f55ce7bf | 2489 | if (vout_ghosting == 1) |
2490 | v_blend(pd, ps, vout_width, p_075_round); | |
2491 | else | |
2492 | v_blend(pd, ps, vout_width, p_05_round); | |
2493 | pd += vout_width; | |
2494 | ps += vout_width; | |
2495 | } | |
2496 | } | |
2497 | ||
5f9901e0 | 2498 | if (PicoIn.AHW & PAHW_PICO) { |
2499 | int h = vout_height, w = vout_width; | |
2500 | unsigned short *pd = (unsigned short *)((char *)vout_buf + vout_offset); | |
2501 | ||
2502 | if (pico_inp_mode) | |
2503 | emu_pico_overlay(pd, w, h, vout_width); | |
2504 | if (pico_inp_mode /*== 2 || overlay*/) | |
2505 | draw_pico_ptr(); | |
2506 | } | |
c87e36d7 | 2507 | |
61d76999 | 2508 | buff = (char*)vout_buf + vout_offset; |
2509 | #endif | |
2510 | ||
36b2f293 | 2511 | video_cb((short *)buff, vout_width, vout_height, vout_width * 2); |
7612bf90 | 2512 | } |
2513 | ||
7612bf90 | 2514 | void retro_init(void) |
2515 | { | |
a5085db3 | 2516 | unsigned dci_version = 0; |
7612bf90 | 2517 | struct retro_log_callback log; |
2518 | int level; | |
2519 | ||
2520 | level = 0; | |
2521 | environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); | |
2522 | ||
2523 | if (environ_cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &log)) | |
2524 | log_cb = log.log; | |
2525 | else | |
2526 | log_cb = NULL; | |
2527 | ||
2528 | environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control); | |
2529 | ||
b106e5c7 | 2530 | if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL)) |
2531 | libretro_supports_bitmasks = true; | |
2532 | ||
a5085db3 | 2533 | disk_initial_index = 0; |
2534 | disk_initial_path[0] = '\0'; | |
2535 | if (environ_cb(RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION, &dci_version) && (dci_version >= 1)) | |
2536 | environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_EXT_INTERFACE, &disk_control_ext); | |
2537 | else | |
2538 | environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control); | |
2539 | ||
7612bf90 | 2540 | #ifdef _3DS |
2541 | ctr_svchack_successful = ctr_svchack_init(); | |
61d76999 | 2542 | check_rosalina(); |
7612bf90 | 2543 | #elif defined(VITA) |
2544 | sceBlock = getVMBlock(); | |
2545 | #endif | |
2546 | ||
466fa079 | 2547 | PicoIn.opt = POPT_EN_STEREO|POPT_EN_FM |
6791d847 | 2548 | | POPT_EN_PSG|POPT_EN_Z80|POPT_EN_GG_LCD |
7612bf90 | 2549 | | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |
2550 | | POPT_EN_32X|POPT_EN_PWM | |
2551 | | POPT_ACC_SPRITES|POPT_DIS_32C_BORDER; | |
31efd454 | 2552 | #ifdef DRC_SH2 |
7612bf90 | 2553 | #ifdef _3DS |
2554 | if (ctr_svchack_successful) | |
2555 | #endif | |
93f9619e | 2556 | PicoIn.opt |= POPT_EN_DRC; |
7612bf90 | 2557 | #endif |
61d76999 | 2558 | |
2559 | struct retro_variable var = { .key = "picodrive_sound_rate" }; | |
2560 | if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) | |
2561 | PicoIn.sndRate = atoi(var.value); | |
2562 | else | |
5c7cd059 | 2563 | PicoIn.sndRate = SND_RATE_DEFAULT; |
61d76999 | 2564 | |
93f9619e | 2565 | PicoIn.autoRgnOrder = 0x184; // US, EU, JP |
7612bf90 | 2566 | |
61d76999 | 2567 | vout_width = VOUT_MAX_WIDTH; |
2568 | vout_height = VOUT_MAX_HEIGHT; | |
7612bf90 | 2569 | #ifdef _3DS |
2570 | vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80); | |
61d76999 | 2571 | #elif defined(RENDER_GSKIT_PS2) |
7e5b769d | 2572 | vout_buf = memalign(4096, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2); |
61d76999 | 2573 | retro_palette = memalign(128, gsKit_texture_size_ee(16, 16, GS_PSM_CT16)); |
7612bf90 | 2574 | #else |
2575 | vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2); | |
2576 | #endif | |
2577 | ||
2578 | PicoInit(); | |
7612bf90 | 2579 | |
6311a3ba | 2580 | //PicoIn.osdMessage = plat_status_msg_busy_next; |
2581 | PicoIn.mcdTrayOpen = disk_tray_open; | |
2582 | PicoIn.mcdTrayClose = disk_tray_close; | |
7612bf90 | 2583 | |
61d76999 | 2584 | frameskip_type = 0; |
2585 | frameskip_threshold = 0; | |
2586 | frameskip_counter = 0; | |
2587 | retro_audio_buff_active = false; | |
2588 | retro_audio_buff_occupancy = 0; | |
2589 | retro_audio_buff_underrun = false; | |
2590 | audio_latency = 0; | |
2591 | update_audio_latency = false; | |
2592 | ||
2593 | update_variables(true); | |
7612bf90 | 2594 | } |
2595 | ||
2596 | void retro_deinit(void) | |
2597 | { | |
27005bdb | 2598 | size_t i; |
2599 | ||
bccd8832 | 2600 | PicoExit(); |
2601 | ||
2602 | disk_init(); | |
2603 | ||
7612bf90 | 2604 | #ifdef _3DS |
2605 | linearFree(vout_buf); | |
61d76999 | 2606 | #elif defined(RENDER_GSKIT_PS2) |
2607 | free(vout_buf); | |
2608 | free(retro_palette); | |
2609 | ps2 = NULL; | |
08be5f1d O |
2610 | #elif defined(__PS3__) |
2611 | free(vout_buf); | |
2612 | if (page_table[0] > 0 && page_table[1] > 0) | |
2613 | ps3mapi_process_page_free(sysProcessGetPid(), 0x2F, page_table); | |
7612bf90 | 2614 | #else |
2615 | free(vout_buf); | |
2616 | #endif | |
2617 | vout_buf = NULL; | |
5f9901e0 | 2618 | |
f55ce7bf | 2619 | if (vout_ghosting_buf) |
2620 | free(vout_ghosting_buf); | |
2621 | vout_ghosting_buf = NULL; | |
5f9901e0 | 2622 | if (pico_overlay) |
2623 | free(pico_overlay); | |
2624 | pico_overlay = NULL; | |
f55ce7bf | 2625 | |
b106e5c7 | 2626 | libretro_supports_bitmasks = false; |
7612bf90 | 2627 | } |