1 // (c) Copyright 2006-2009 notaz, All rights reserved.
\r
2 // Free for non-commercial use.
\r
4 // For commercial use, separate licencing terms must be obtained.
\r
16 #include "lprintf.h"
\r
22 #include <pico/pico_int.h>
\r
23 #include <pico/patch.h>
\r
24 #include <pico/cd/cue.h>
\r
27 #define STATUS_MSG_TIMEOUT 2000
\r
31 #if !SCREEN_SIZE_FIXED
\r
32 int g_screen_width = SCREEN_WIDTH;
\r
33 int g_screen_height = SCREEN_HEIGHT;
\r
36 char *PicoConfigFile = "config.cfg";
\r
37 currentConfig_t currentConfig, defaultConfig;
\r
39 int config_slot = 0, config_slot_current = 0;
\r
40 int pico_pen_x = 320/2, pico_pen_y = 240/2;
\r
41 int pico_inp_mode = 0;
\r
42 int engineState = PGS_Menu;
\r
44 /* TODO: len checking */
\r
45 char rom_fname_reload[512] = { 0, };
\r
46 char rom_fname_loaded[512] = { 0, };
\r
48 int reset_timing = 0;
\r
49 static unsigned int notice_msg_time; /* when started showing */
\r
50 static char noticeMsg[40];
\r
52 unsigned char *movie_data = NULL;
\r
53 static int movie_size = 0;
\r
56 /* don't use tolower() for easy old glibc binary compatibility */
\r
57 static void strlwr_(char *string)
\r
60 for (p = string; *p; p++)
\r
61 if ('A' <= *p && *p <= 'Z')
\r
65 static int try_rfn_cut(char *fname)
\r
70 p = fname + strlen(fname) - 1;
\r
71 for (; p > fname; p--)
\r
72 if (*p == '.') break;
\r
75 if((tmp = fopen(fname, "rb"))) {
\r
82 static void get_ext(const char *file, char *ext)
\r
86 p = file + strlen(file) - 4;
\r
87 if (p < file) p = file;
\r
93 void emu_status_msg(const char *format, ...)
\r
98 va_start(vl, format);
\r
99 ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);
\r
102 /* be sure old text gets overwritten */
\r
103 for (; ret < 28; ret++)
\r
104 noticeMsg[ret] = ' ';
\r
105 noticeMsg[ret] = 0;
\r
107 notice_msg_time = plat_get_ticks_ms();
\r
110 static const char * const biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };
\r
111 static const char * const biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };
\r
112 static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
\r
114 static int find_bios(int region, char **bios_file)
\r
116 static char bios_path[1024];
\r
118 const char * const *files;
\r
121 if (region == 4) { // US
\r
122 files = biosfiles_us;
\r
123 count = sizeof(biosfiles_us) / sizeof(char *);
\r
124 } else if (region == 8) { // EU
\r
125 files = biosfiles_eu;
\r
126 count = sizeof(biosfiles_eu) / sizeof(char *);
\r
127 } else if (region == 1 || region == 2) {
\r
128 files = biosfiles_jp;
\r
129 count = sizeof(biosfiles_jp) / sizeof(char *);
\r
134 for (i = 0; i < count; i++)
\r
136 emu_make_path(bios_path, files[i], sizeof(bios_path) - 4);
\r
137 strcat(bios_path, ".bin");
\r
138 f = fopen(bios_path, "rb");
\r
141 bios_path[strlen(bios_path) - 4] = 0;
\r
142 strcat(bios_path, ".zip");
\r
143 f = fopen(bios_path, "rb");
\r
148 lprintf("using bios: %s\n", bios_path);
\r
150 if (bios_file) *bios_file = bios_path;
\r
153 sprintf(bios_path, "no %s BIOS files found, read docs",
\r
154 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
\r
155 me_update_msg(bios_path);
\r
160 /* check if the name begins with BIOS name */
\r
162 static int emu_isBios(const char *name)
\r
165 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
\r
166 if (strstr(name, biosfiles_us[i]) != NULL) return 1;
\r
167 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
\r
168 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
\r
169 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
\r
170 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
\r
175 static unsigned char id_header[0x100];
\r
177 /* checks if fname points to valid MegaCD image */
\r
178 static int emu_cd_check(int *pregion, const char *fname_in)
\r
180 const char *fname = fname_in;
\r
181 unsigned char buf[32];
\r
183 int region = 4; // 1: Japan, 4: US, 8: Europe
\r
185 cue_track_type type = CT_UNKNOWN;
\r
186 cue_data_t *cue_data = NULL;
\r
188 get_ext(fname_in, ext);
\r
189 if (strcasecmp(ext, ".cue") == 0) {
\r
190 cue_data = cue_parse(fname_in);
\r
191 if (cue_data != NULL) {
\r
192 fname = cue_data->tracks[1].fname;
\r
193 type = cue_data->tracks[1].type;
\r
199 cd_f = pm_open(fname);
\r
200 if (cue_data != NULL)
\r
201 cue_destroy(cue_data);
\r
203 if (cd_f == NULL) return 0; // let the upper level handle this
\r
205 if (pm_read(buf, 32, cd_f) != 32) {
\r
210 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {
\r
211 if (type && type != CT_ISO)
\r
212 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
\r
213 type = CT_ISO; // Sega CD (ISO)
\r
215 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {
\r
216 if (type && type != CT_BIN)
\r
217 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
\r
218 type = CT_BIN; // Sega CD (BIN)
\r
221 if (type == CT_UNKNOWN) {
\r
226 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);
\r
227 pm_read(id_header, sizeof(id_header), cd_f);
\r
229 /* it seems we have a CD image here. Try to detect region now.. */
\r
230 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
\r
231 pm_read(buf, 1, cd_f);
\r
234 if (buf[0] == 0x64) region = 8; // EU
\r
235 if (buf[0] == 0xa1) region = 1; // JAP
\r
237 lprintf("detected %s Sega/Mega CD image with %s region\n",
\r
238 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
\r
240 if (pregion != NULL) *pregion = region;
\r
245 static int detect_media(const char *fname)
\r
247 static const short sms_offsets[] = { 0x7ff0, 0x3ff0, 0x1ff0 };
\r
253 get_ext(fname, ext);
\r
255 // detect wrong extensions
\r
256 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) // s.gz ~ .mds.gz
\r
259 /* don't believe in extensions, except .cue */
\r
260 if (strcasecmp(ext, ".cue") == 0)
\r
263 pmf = pm_open(fname);
\r
267 if (pm_read(buff, 32, pmf) != 32) {
\r
272 if (strncasecmp("SEGADISCSYSTEM", buff + 0x00, 14) == 0 ||
\r
273 strncasecmp("SEGADISCSYSTEM", buff + 0x10, 14) == 0) {
\r
278 for (i = 0; i < array_size(sms_offsets); i++) {
\r
279 if (pm_seek(pmf, sms_offsets[i], SEEK_SET) != sms_offsets[i])
\r
280 goto not_mark3; /* actually it could be but can't be detected */
\r
282 if (pm_read(buff, 16, pmf) != 16)
\r
285 if (strncasecmp("TMR SEGA", buff, 8) == 0) {
\r
293 /* the main emu function is to emulate MD, so assume MD */
\r
297 static int extract_text(char *dest, const unsigned char *src, int len, int swab)
\r
302 if (swab) swab = 1;
\r
304 for (i = len - 1; i >= 0; i--)
\r
306 if (src[i^swab] != ' ') break;
\r
310 for (i = 0; i < len; i++)
\r
312 unsigned char s = src[i^swab];
\r
313 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
\r
314 s != '[' && s != ']' && s != '\\')
\r
320 sprintf(p, "\\%02x", s);
\r
328 static char *emu_make_rom_id(void)
\r
330 static char id_string[3+0xe*3+0x3*3+0x30*3+3];
\r
333 if (PicoAHW & PAHW_MCD) {
\r
334 strcpy(id_string, "CD|");
\r
337 else strcpy(id_string, "MD|");
\r
340 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial
\r
341 id_string[pos] = '|'; pos++;
\r
342 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region
\r
343 id_string[pos] = '|'; pos++;
\r
344 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name
\r
345 id_string[pos] = 0;
\r
350 // buffer must be at least 150 byte long
\r
351 void emu_get_game_name(char *str150)
\r
353 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;
\r
356 ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name
\r
358 for (s = d = str150 + 1; s < str150+ret; s++)
\r
360 if (*s == 0) break;
\r
361 if (*s != ' ' || d[-1] != ' ')
\r
367 static void shutdown_MCD(void)
\r
369 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
\r
371 PicoAHW &= ~PAHW_MCD;
\r
374 // note: this function might mangle rom_fname
\r
375 // XXX: portions of this code should move to pico/
\r
376 int emu_reload_rom(char *rom_fname)
\r
378 unsigned int rom_size = 0;
\r
379 char *used_rom_name = rom_fname;
\r
380 unsigned char *rom_data = NULL;
\r
382 pm_file *rom = NULL;
\r
383 int cd_state = CIT_NOT_CD;
\r
384 int ret, media_type, cd_region;
\r
385 int cfg_loaded = 0, bad_rom = 0;
\r
387 lprintf("emu_ReloadRom(%s)\n", rom_fname);
\r
389 get_ext(rom_fname, ext);
\r
391 // check for movie file
\r
396 if (!strcmp(ext, ".gmv"))
\r
398 // check for both gmv and rom
\r
400 FILE *movie_file = fopen(rom_fname, "rb");
\r
402 me_update_msg("Failed to open movie.");
\r
405 fseek(movie_file, 0, SEEK_END);
\r
406 movie_size = ftell(movie_file);
\r
407 fseek(movie_file, 0, SEEK_SET);
\r
408 if(movie_size < 64+3) {
\r
409 me_update_msg("Invalid GMV file.");
\r
410 fclose(movie_file);
\r
413 movie_data = malloc(movie_size);
\r
414 if(movie_data == NULL) {
\r
415 me_update_msg("low memory.");
\r
416 fclose(movie_file);
\r
419 fread(movie_data, 1, movie_size, movie_file);
\r
420 fclose(movie_file);
\r
421 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
\r
422 me_update_msg("Invalid GMV file.");
\r
425 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
\r
427 me_update_msg("Could't find a ROM for movie.");
\r
430 get_ext(rom_fname, ext);
\r
431 lprintf("gmv loaded for %s\n", rom_fname);
\r
433 else if (!strcmp(ext, ".pat"))
\r
436 PicoPatchLoad(rom_fname);
\r
437 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
\r
439 me_update_msg("Could't find a ROM to patch.");
\r
442 get_ext(rom_fname, ext);
\r
445 media_type = detect_media(rom_fname);
\r
446 if (media_type == PM_BAD) {
\r
447 me_update_msg("Not a ROM/CD img selected.");
\r
454 if (media_type == PM_CD)
\r
456 // check for MegaCD image
\r
457 cd_state = emu_cd_check(&cd_region, rom_fname);
\r
458 if (cd_state >= 0 && cd_state != CIT_NOT_CD)
\r
460 // valid CD image, check for BIOS..
\r
462 // we need to have config loaded at this point
\r
463 ret = emu_read_config(1, 0);
\r
464 if (!ret) emu_read_config(0, 0);
\r
467 if (PicoRegionOverride) {
\r
468 cd_region = PicoRegionOverride;
\r
469 lprintf("override region to %s\n", cd_region != 4 ?
\r
470 (cd_region == 8 ? "EU" : "JAP") : "USA");
\r
472 if (!find_bios(cd_region, &used_rom_name))
\r
475 get_ext(used_rom_name, ext);
\r
476 PicoAHW |= PAHW_MCD;
\r
479 me_update_msg("Invalid CD image");
\r
483 else if (media_type == PM_MARK3) {
\r
484 lprintf("detected SMS ROM\n");
\r
485 PicoAHW = PAHW_SMS;
\r
488 rom = pm_open(used_rom_name);
\r
490 me_update_msg("Failed to open ROM");
\r
494 menu_romload_prepare(used_rom_name); // also CD load
\r
499 ret = PicoCartLoad(rom, &rom_data, &rom_size, (PicoAHW & PAHW_SMS) ? 1 : 0);
\r
502 if (ret == 2) me_update_msg("Out of memory");
\r
503 else if (ret == 3) me_update_msg("Read failed");
\r
504 else me_update_msg("PicoCartLoad() failed.");
\r
508 // detect wrong files
\r
509 if (strncmp((char *)rom_data, "Pico", 4) == 0)
\r
511 else if (!(PicoAHW & PAHW_SMS)) {
\r
512 unsigned short *d = (unsigned short *)(rom_data + 4);
\r
513 if ((((d[0] << 16) | d[1]) & 0xffffff) >= (int)rom_size) {
\r
514 lprintf("bad reset vector\n");
\r
520 me_update_msg("Bad ROM detected.");
\r
524 // load config for this ROM (do this before insert to get correct region)
\r
525 if (!(PicoAHW & PAHW_MCD))
\r
526 memcpy(id_header, rom_data + 0x100, sizeof(id_header));
\r
528 ret = emu_read_config(1, 0);
\r
529 if (!ret) emu_read_config(0, 0);
\r
532 if (PicoCartInsert(rom_data, rom_size)) {
\r
533 me_update_msg("Failed to load ROM.");
\r
537 // insert CD if it was detected
\r
538 if (cd_state != CIT_NOT_CD) {
\r
539 ret = Insert_CD(rom_fname, cd_state);
\r
542 rom_data = NULL; // freed by unload
\r
543 me_update_msg("Insert_CD() failed, invalid CD image?");
\r
548 menu_romload_end();
\r
551 PicoPatchPrepare();
\r
555 // additional movie stuff
\r
558 if (movie_data[0x14] == '6')
\r
559 PicoOpt |= POPT_6BTN_PAD; // 6 button pad
\r
560 else PicoOpt &= ~POPT_6BTN_PAD;
\r
561 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
\r
562 if (movie_data[0xF] >= 'A') {
\r
563 if (movie_data[0x16] & 0x80) {
\r
564 PicoRegionOverride = 8;
\r
566 PicoRegionOverride = 4;
\r
569 // TODO: bits 6 & 5
\r
571 movie_data[0x18+30] = 0;
\r
572 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);
\r
576 const char *sys_name, *tv_standard;
\r
579 if (PicoAHW & PAHW_SMS) {
\r
580 sys_name = "Master System";
\r
582 sys_name = "MegaDrive";
\r
583 if ((Pico.m.hardware&0xc0) == 0x80)
\r
584 sys_name = "Genesis";
\r
586 tv_standard = Pico.m.pal ? "PAL" : "NTSC";
\r
587 fps = Pico.m.pal ? 50 : 60;
\r
589 emu_status_msg("%s %s / %dFPS", tv_standard, sys_name, fps);
\r
591 PicoOpt &= ~POPT_DIS_VDP_FIFO;
\r
594 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);
\r
595 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
\r
598 // load SRAM for this ROM
\r
599 if (currentConfig.EmuOpt & EOPT_EN_SRAM)
\r
600 emu_save_load_game(1, 1);
\r
607 menu_romload_end();
\r
611 int emu_swap_cd(const char *fname)
\r
613 cd_img_type cd_type;
\r
616 cd_type = emu_cd_check(NULL, fname);
\r
617 if (cd_type != CIT_NOT_CD)
\r
618 ret = Insert_CD(fname, cd_type);
\r
620 me_update_msg("Load failed, invalid CD image?");
\r
624 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);
\r
625 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
\r
629 static void romfname_ext(char *dst, const char *prefix, const char *ext)
\r
632 int prefix_len = 0;
\r
634 // make save filename
\r
635 p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;
\r
636 for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;
\r
639 int len = plat_get_root_dir(dst, 512);
\r
640 strcpy(dst + len, prefix);
\r
641 prefix_len = len + strlen(prefix);
\r
644 else p = rom_fname_loaded; // backward compatibility
\r
646 strncpy(dst + prefix_len, p, 511-prefix_len);
\r
648 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
\r
649 if (ext) strcat(dst, ext);
\r
652 void emu_make_path(char *buff, const char *end, int size)
\r
656 end_len = strlen(end);
\r
657 pos = plat_get_root_dir(buff, size);
\r
658 strncpy(buff + pos, end, size - pos);
\r
659 buff[size - 1] = 0;
\r
660 if (pos + end_len > size - 1)
\r
661 lprintf("Warning: path truncated: %s\n", buff);
\r
664 static void make_config_cfg(char *cfg_buff_512)
\r
666 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);
\r
667 if (config_slot != 0)
\r
669 char *p = strrchr(cfg_buff_512, '.');
\r
671 p = cfg_buff_512 + strlen(cfg_buff_512);
\r
672 sprintf(p, ".%i.cfg", config_slot);
\r
674 cfg_buff_512[511] = 0;
\r
677 void emu_set_defconfig(void)
\r
679 memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
\r
680 PicoOpt = currentConfig.s_PicoOpt;
\r
681 PsndRate = currentConfig.s_PsndRate;
\r
682 PicoRegionOverride = currentConfig.s_PicoRegion;
\r
683 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
\r
684 PicoCDBuffers = currentConfig.s_PicoCDBuffers;
\r
687 int emu_read_config(int game, int no_defaults)
\r
693 emu_set_defconfig();
\r
697 make_config_cfg(cfg);
\r
698 ret = config_readsect(cfg, NULL);
\r
702 char *sect = emu_make_rom_id();
\r
704 // try new .cfg way
\r
705 if (config_slot != 0)
\r
706 sprintf(cfg, "game.%i.cfg", config_slot);
\r
707 else strcpy(cfg, "game.cfg");
\r
710 if (config_havesect(cfg, sect))
\r
712 // read user's config
\r
713 int vol = currentConfig.volume;
\r
714 emu_set_defconfig();
\r
715 ret = config_readsect(cfg, sect);
\r
716 currentConfig.volume = vol; // make vol global (bah)
\r
720 // read global config, and apply game_def.cfg on top
\r
721 make_config_cfg(cfg);
\r
722 config_readsect(cfg, NULL);
\r
723 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));
\r
724 ret = config_readsect(cfg, sect);
\r
729 lprintf("loaded cfg from sect \"%s\"\n", sect);
\r
733 plat_validate_config();
\r
735 // some sanity checks
\r
737 /* TODO: mv to plat_validate_config() */
\r
738 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
\r
739 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
\r
740 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
\r
742 if (currentConfig.volume < 0 || currentConfig.volume > 99)
\r
743 currentConfig.volume = 50;
\r
746 config_slot_current = config_slot;
\r
752 int emu_write_config(int is_game)
\r
754 char cfg[512], *game_sect = NULL;
\r
755 int ret, write_lrom = 0;
\r
759 make_config_cfg(cfg);
\r
762 if (config_slot != 0)
\r
763 sprintf(cfg, "game.%i.cfg", config_slot);
\r
764 else strcpy(cfg, "game.cfg");
\r
765 game_sect = emu_make_rom_id();
\r
766 lprintf("emu_write_config: sect \"%s\"\n", game_sect);
\r
769 lprintf("emu_write_config: %s ", cfg);
\r
770 ret = config_writesect(cfg, game_sect);
\r
771 if (write_lrom) config_writelrom(cfg);
\r
775 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
\r
777 if (ret == 0) config_slot_current = config_slot;
\r
782 /* always using built-in font */
\r
784 #define mk_text_out(name, type, val, topleft, step_x, step_y) \
\r
785 void name(int x, int y, const char *text) \
\r
787 int i, l, len = strlen(text); \
\r
788 type *screen = (type *)(topleft) + x * step_x + y * step_y; \
\r
790 for (i = 0; i < len; i++, screen += 8 * step_x) \
\r
792 for (l = 0; l < 8; l++) \
\r
794 unsigned char fd = fontdata8x8[text[i] * 8 + l];\
\r
795 type *s = screen + l * step_y; \
\r
796 if (fd&0x80) s[step_x * 0] = val; \
\r
797 if (fd&0x40) s[step_x * 1] = val; \
\r
798 if (fd&0x20) s[step_x * 2] = val; \
\r
799 if (fd&0x10) s[step_x * 3] = val; \
\r
800 if (fd&0x08) s[step_x * 4] = val; \
\r
801 if (fd&0x04) s[step_x * 5] = val; \
\r
802 if (fd&0x02) s[step_x * 6] = val; \
\r
803 if (fd&0x01) s[step_x * 7] = val; \
\r
808 mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)
\r
809 mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)
\r
810 mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,
\r
811 (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)
\r
812 mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,
\r
813 (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)
\r
818 void update_movie(void)
\r
820 int offs = Pico.m.frame_count*3 + 0x40;
\r
821 if (offs+3 > movie_size) {
\r
824 emu_status_msg("END OF MOVIE.");
\r
825 lprintf("END OF MOVIE.\n");
\r
828 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
\r
829 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C
\r
830 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A
\r
831 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B
\r
832 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
833 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C
\r
834 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A
\r
835 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B
\r
836 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
837 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
\r
838 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
\r
839 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
840 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
\r
841 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
\r
845 static int try_ropen_file(const char *fname)
\r
849 f = fopen(fname, "rb");
\r
857 char *emu_get_save_fname(int load, int is_sram, int slot)
\r
859 static char saveFname[512];
\r
864 strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
\r
865 romfname_ext(saveFname, (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);
\r
869 if (try_ropen_file(saveFname))
\r
872 romfname_ext(saveFname, NULL, ext);
\r
873 if (try_ropen_file(saveFname))
\r
878 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";
\r
879 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";
\r
881 if (slot > 0 && slot < 10)
\r
882 sprintf(ext, ".%i", slot);
\r
883 strcat(ext, ext_main);
\r
886 romfname_ext(saveFname, "mds" PATH_SEP, ext);
\r
890 romfname_ext(saveFname, "mds" PATH_SEP, ext);
\r
891 if (try_ropen_file(saveFname))
\r
894 romfname_ext(saveFname, NULL, ext);
\r
895 if (try_ropen_file(saveFname))
\r
898 // try the other ext
\r
900 if (slot > 0 && slot < 10)
\r
901 sprintf(ext, ".%i", slot);
\r
902 strcat(ext, ext_othr);
\r
904 romfname_ext(saveFname, "mds"PATH_SEP, ext);
\r
905 if (try_ropen_file(saveFname))
\r
913 int emu_check_save_file(int slot)
\r
915 return emu_get_save_fname(1, 0, slot) ? 1 : 0;
\r
918 int emu_save_load_game(int load, int sram)
\r
923 // make save filename
\r
924 saveFname = emu_get_save_fname(load, sram, state_slot);
\r
925 if (saveFname == NULL) {
\r
927 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");
\r
931 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
937 unsigned char *sram_data;
\r
939 if (PicoAHW & PAHW_MCD)
\r
941 if (PicoOpt&POPT_EN_MCD_RAMCART) {
\r
942 sram_size = 0x12000;
\r
943 sram_data = SRam.data;
\r
945 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
\r
947 sram_size = 0x2000;
\r
948 sram_data = Pico_mcd->bram;
\r
949 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
952 sram_size = SRam.end-SRam.start+1;
\r
953 if(Pico.m.sram_reg & 4) sram_size=0x2000;
\r
954 sram_data = SRam.data;
\r
956 if (!sram_data) return 0; // SRam forcefully disabled for this game
\r
960 sramFile = fopen(saveFname, "rb");
\r
961 if(!sramFile) return -1;
\r
962 fread(sram_data, 1, sram_size, sramFile);
\r
964 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
\r
965 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
\r
967 // sram save needs some special processing
\r
968 // see if we have anything to save
\r
969 for (; sram_size > 0; sram_size--)
\r
970 if (sram_data[sram_size-1]) break;
\r
973 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
974 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
975 if (!sramFile) return -1;
\r
976 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
977 ret = (ret != sram_size) ? -1 : 0;
\r
988 ret = PicoState(saveFname, !load);
\r
993 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");
\r
995 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");
\r
1003 void emu_set_fastforward(int set_on)
\r
1005 static void *set_PsndOut = NULL;
\r
1006 static int set_Frameskip, set_EmuOpt, is_on = 0;
\r
1008 if (set_on && !is_on) {
\r
1009 set_PsndOut = PsndOut;
\r
1010 set_Frameskip = currentConfig.Frameskip;
\r
1011 set_EmuOpt = currentConfig.EmuOpt;
\r
1013 currentConfig.Frameskip = 8;
\r
1014 currentConfig.EmuOpt &= ~4;
\r
1015 currentConfig.EmuOpt |= 0x40000;
\r
1017 emu_status_msg("FAST FORWARD");
\r
1019 else if (!set_on && is_on) {
\r
1020 PsndOut = set_PsndOut;
\r
1021 currentConfig.Frameskip = set_Frameskip;
\r
1022 currentConfig.EmuOpt = set_EmuOpt;
\r
1028 static void emu_tray_open(void)
\r
1030 engineState = PGS_TrayMenu;
\r
1033 static void emu_tray_close(void)
\r
1035 emu_status_msg("CD tray closed.");
\r
1038 void emu_reset_game(void)
\r
1044 void run_events_pico(unsigned int events)
\r
1048 if (events & PEV_PICO_SWINP) {
\r
1050 if (pico_inp_mode > 2)
\r
1051 pico_inp_mode = 0;
\r
1052 switch (pico_inp_mode) {
\r
1053 case 2: emu_status_msg("Input: Pen on Pad"); break;
\r
1054 case 1: emu_status_msg("Input: Pen on Storyware"); break;
\r
1055 case 0: emu_status_msg("Input: Joystick");
\r
1056 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
1060 if (events & PEV_PICO_PPREV) {
\r
1061 PicoPicohw.page--;
\r
1062 if (PicoPicohw.page < 0)
\r
1063 PicoPicohw.page = 0;
\r
1064 emu_status_msg("Page %i", PicoPicohw.page);
\r
1066 if (events & PEV_PICO_PNEXT) {
\r
1067 PicoPicohw.page++;
\r
1068 if (PicoPicohw.page > 6)
\r
1069 PicoPicohw.page = 6;
\r
1070 emu_status_msg("Page %i", PicoPicohw.page);
\r
1073 if (pico_inp_mode == 0)
\r
1076 /* handle other input modes */
\r
1077 if (PicoPad[0] & 1) pico_pen_y--;
\r
1078 if (PicoPad[0] & 2) pico_pen_y++;
\r
1079 if (PicoPad[0] & 4) pico_pen_x--;
\r
1080 if (PicoPad[0] & 8) pico_pen_x++;
\r
1081 PicoPad[0] &= ~0x0f; // release UDLR
\r
1083 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;
\r
1084 if (pico_pen_y < 8)
\r
1086 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)
\r
1087 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;
\r
1088 if (pico_pen_x < 0)
\r
1090 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)
\r
1091 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;
\r
1093 PicoPicohw.pen_pos[0] = pico_pen_x;
\r
1094 if (!(Pico.video.reg[12] & 1))
\r
1095 PicoPicohw.pen_pos[0] += pico_pen_x / 4;
\r
1096 PicoPicohw.pen_pos[0] += 0x3c;
\r
1097 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
\r
1100 static void do_turbo(int *pad, int acts)
\r
1102 static int turbo_pad = 0;
\r
1103 static unsigned char turbo_cnt[3] = { 0, 0, 0 };
\r
1104 int inc = currentConfig.turbo_rate * 2;
\r
1106 if (acts & 0x1000) {
\r
1107 turbo_cnt[0] += inc;
\r
1108 if (turbo_cnt[0] >= 60)
\r
1109 turbo_pad ^= 0x10, turbo_cnt[0] = 0;
\r
1111 if (acts & 0x2000) {
\r
1112 turbo_cnt[1] += inc;
\r
1113 if (turbo_cnt[1] >= 60)
\r
1114 turbo_pad ^= 0x20, turbo_cnt[1] = 0;
\r
1116 if (acts & 0x4000) {
\r
1117 turbo_cnt[2] += inc;
\r
1118 if (turbo_cnt[2] >= 60)
\r
1119 turbo_pad ^= 0x40, turbo_cnt[2] = 0;
\r
1121 *pad |= turbo_pad & (acts >> 8);
\r
1124 static void run_events_ui(unsigned int which)
\r
1126 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))
\r
1129 if ( emu_check_save_file(state_slot) &&
\r
1130 (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||
\r
1131 ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) )
\r
1137 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");
\r
1138 len = strlen(tmp);
\r
1139 nm = in_get_key_name(-1, -PBTN_MA3);
\r
1140 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);
\r
1141 len = strlen(tmp);
\r
1142 nm = in_get_key_name(-1, -PBTN_MBACK);
\r
1143 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);
\r
1145 plat_status_msg_busy_first(tmp);
\r
1147 in_set_blocking(1);
\r
1148 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))
\r
1150 while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) )
\r
1152 if (keys & PBTN_MBACK)
\r
1154 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))
\r
1156 in_set_blocking(0);
\r
1159 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");
\r
1160 PicoStateProgressCB = plat_status_msg_busy_next;
\r
1161 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);
\r
1162 PicoStateProgressCB = NULL;
\r
1165 if (which & PEV_SWITCH_RND)
\r
1167 plat_video_toggle_renderer(1, 0);
\r
1169 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))
\r
1171 if (which & PEV_SSLOT_PREV) {
\r
1173 if (state_slot < 0)
\r
1177 if (state_slot > 9)
\r
1181 emu_status_msg("SAVE SLOT %i [%s]", state_slot,
\r
1182 emu_check_save_file(state_slot) ? "USED" : "FREE");
\r
1184 if (which & PEV_MENU)
\r
1185 engineState = PGS_Menu;
\r
1188 void emu_update_input(void)
\r
1190 static int prev_events = 0;
\r
1191 int actions[IN_BINDTYPE_COUNT] = { 0, };
\r
1192 int pl_actions[2];
\r
1195 in_update(actions);
\r
1197 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];
\r
1198 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;
\r
1200 PicoPad[0] = pl_actions[0] & 0xfff;
\r
1201 PicoPad[1] = pl_actions[1] & 0xfff;
\r
1203 if (pl_actions[0] & 0x7000)
\r
1204 do_turbo(&PicoPad[0], pl_actions[0]);
\r
1205 if (pl_actions[1] & 0x7000)
\r
1206 do_turbo(&PicoPad[1], pl_actions[1]);
\r
1208 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1210 // volume is treated in special way and triggered every frame
\r
1211 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))
\r
1212 plat_update_volume(1, events & PEV_VOL_UP);
\r
1214 if ((events ^ prev_events) & PEV_FF) {
\r
1215 emu_set_fastforward(events & PEV_FF);
\r
1216 plat_update_volume(0, 0);
\r
1220 events &= ~prev_events;
\r
1222 if (PicoAHW == PAHW_PICO)
\r
1223 run_events_pico(events);
\r
1225 run_events_ui(events);
\r
1229 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1232 static void mkdir_path(char *path_with_reserve, int pos, const char *name)
\r
1234 strcpy(path_with_reserve + pos, name);
\r
1235 if (plat_is_dir(path_with_reserve))
\r
1237 if (mkdir(path_with_reserve, 0777) < 0)
\r
1238 lprintf("failed to create: %s\n", path_with_reserve);
\r
1241 void emu_init(void)
\r
1246 /* make dirs for saves */
\r
1247 pos = plat_get_root_dir(path, sizeof(path) - 4);
\r
1248 mkdir_path(path, pos, "mds");
\r
1249 mkdir_path(path, pos, "srm");
\r
1250 mkdir_path(path, pos, "brm");
\r
1252 make_config_cfg(path);
\r
1253 config_readlrom(path);
\r
1256 PicoMessage = plat_status_msg_busy_next;
\r
1257 PicoMCDopenTray = emu_tray_open;
\r
1258 PicoMCDcloseTray = emu_tray_close;
\r
1261 void emu_finish(void)
\r
1264 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {
\r
1265 emu_save_load_game(0, 1);
\r
1269 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {
\r
1271 make_config_cfg(cfg);
\r
1272 config_writelrom(cfg);
\r
1281 static void skip_frame(int do_audio)
\r
1283 PicoSkipFrame = do_audio ? 1 : 2;
\r
1285 PicoSkipFrame = 0;
\r
1288 /* our tick here is 1 us right now */
\r
1289 #define ms_to_ticks(x) (unsigned int)(x * 1000)
\r
1290 #define get_ticks() plat_get_ticks_us()
\r
1292 void emu_loop(void)
\r
1294 int pframes_done; /* "period" frames, used for sync */
\r
1295 int frames_done, frames_shown; /* actual frames for fps counter */
\r
1296 int oldmodes, target_fps, target_frametime;
\r
1297 unsigned int timestamp_base = 0, timestamp_fps;
\r
1298 char *notice_msg = NULL;
\r
1304 /* make sure we are in correct mode */
\r
1305 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
\r
1306 Pico.m.dirtyPal = 1;
\r
1308 /* number of ticks per frame */
\r
1311 target_frametime = ms_to_ticks(1000) / 50;
\r
1314 target_frametime = ms_to_ticks(1000) / 60 + 1;
\r
1317 // prepare CD buffer
\r
1318 if (PicoAHW & PAHW_MCD)
\r
1319 PicoCDBufferInit();
\r
1323 timestamp_fps = get_ticks();
\r
1326 frames_done = frames_shown = pframes_done = 0;
\r
1328 plat_video_wait_vsync();
\r
1330 /* loop with resync every 1 sec. */
\r
1331 while (engineState == PGS_Running)
\r
1333 unsigned int timestamp;
\r
1334 int diff, diff_lim;
\r
1337 timestamp = get_ticks();
\r
1338 if (reset_timing) {
\r
1340 timestamp_base = timestamp;
\r
1344 // show notice_msg message?
\r
1345 if (notice_msg_time != 0)
\r
1347 static int noticeMsgSum;
\r
1348 if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {
\r
1349 notice_msg_time = 0;
\r
1350 plat_status_msg_clear();
\r
1351 notice_msg = NULL;
\r
1353 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];
\r
1354 if (sum != noticeMsgSum) {
\r
1355 plat_status_msg_clear();
\r
1356 noticeMsgSum = sum;
\r
1358 notice_msg = noticeMsg;
\r
1362 // check for mode changes
\r
1363 modes = ((Pico.video.reg[12]&1)<<2) | (Pico.video.reg[1]&8);
\r
1364 if (modes != oldmodes) {
\r
1366 pemu_video_mode_change(!(modes & 4), (modes & 8));
\r
1369 // second changed?
\r
1370 if (timestamp - timestamp_fps >= ms_to_ticks(1000))
\r
1373 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];
\r
1374 if (++bench == 10) {
\r
1376 bench_fps_s = bench_fps;
\r
1377 bf[bfp++ & 3] = bench_fps;
\r
1380 bench_fps += frames_shown;
\r
1381 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);
\r
1383 if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {
\r
1384 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);
\r
1385 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }
\r
1388 frames_shown = frames_done = 0;
\r
1389 timestamp_fps += ms_to_ticks(1000);
\r
1392 sprintf(fpsbuff, "%i", Pico.m.frame_count);
\r
1395 if (timestamp - timestamp_base >= ms_to_ticks(1000))
\r
1397 if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)
\r
1400 pframes_done -= target_fps;
\r
1401 /* don't allow it to drift during heavy slowdowns */
\r
1402 if (pframes_done < -5) {
\r
1406 if (pframes_done < -2)
\r
1407 pframes_done = -2;
\r
1409 timestamp_base += ms_to_ticks(1000);
\r
1412 diff = timestamp - timestamp_base;
\r
1413 diff_lim = (pframes_done + 1) * target_frametime;
\r
1415 if (currentConfig.Frameskip >= 0) // frameskip enabled
\r
1417 for (i = 0; i < currentConfig.Frameskip; i++) {
\r
1418 emu_update_input();
\r
1420 pframes_done++; frames_done++;
\r
1421 diff_lim += target_frametime;
\r
1423 if (!(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT)) {
\r
1424 timestamp = get_ticks();
\r
1425 diff = timestamp - timestamp_base;
\r
1426 if (!reset_timing && diff < diff_lim) // we are too fast
\r
1427 plat_wait_till_us(timestamp_base + diff_lim);
\r
1431 else if (diff > diff_lim)
\r
1433 /* no time left for this frame - skip */
\r
1434 if (diff - diff_lim >= ms_to_ticks(200)) {
\r
1435 /* if too much behind, reset instead */
\r
1439 emu_update_input();
\r
1440 skip_frame(diff < diff_lim + target_frametime * 2);
\r
1441 pframes_done++; frames_done++;
\r
1445 emu_update_input();
\r
1448 /* frame limiter */
\r
1449 if (!reset_timing && !(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT))
\r
1451 timestamp = get_ticks();
\r
1452 diff = timestamp - timestamp_base;
\r
1454 // sleep or vsync if we are still too fast
\r
1455 if (diff < diff_lim)
\r
1457 // we are too fast
\r
1458 plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);
\r
1459 if (currentConfig.EmuOpt & EOPT_VSYNC)
\r
1460 plat_video_wait_vsync();
\r
1464 pemu_update_display(fpsbuff, notice_msg);
\r
1466 pframes_done++; frames_done++; frames_shown++;
\r
1469 emu_set_fastforward(0);
\r
1472 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {
\r
1473 plat_status_msg_busy_first("Writing SRAM/BRAM...");
\r
1474 emu_save_load_game(0, 1);
\r
1480 // pemu_loop_end() might want to do 1 frame for bg image,
\r
1481 // so free CD buffer here
\r
1482 if (PicoAHW & PAHW_MCD)
\r
1483 PicoCDBufferFree();
\r