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- // (c) Copyright 2006-2007 notaz, All rights reserved.
- // Free for non-commercial use.
- // For commercial use, separate licencing terms must be obtained.
- #include <stdio.h>
- #include <stdlib.h>
- #include <ctype.h> // tolower
- #ifndef NO_SYNC
- #include <unistd.h>
- #endif
- #include "emu.h"
- #include "menu.h"
- #include "fonts.h"
- #include "lprintf.h"
- #include "config.h"
- #include "common.h"
- #include <Pico/PicoInt.h>
- #include <Pico/Patch.h>
- #include <Pico/cd/cue.h>
- #include <zlib/zlib.h>
- char *PicoConfigFile = "config.cfg";
- currentConfig_t currentConfig, defaultConfig;
- int rom_loaded = 0;
- char noticeMsg[64] = { 0, };
- int state_slot = 0;
- int config_slot = 0, config_slot_current = 0;
- char loadedRomFName[512] = { 0, };
- int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos
- int pico_inp_mode = 0;
- unsigned char *movie_data = NULL;
- static int movie_size = 0;
- // provided by platform code:
- extern void emu_noticeMsgUpdated(void);
- extern int emu_getMainDir(char *dst, int len);
- extern void menu_romload_prepare(const char *rom_name);
- extern void menu_romload_end(void);
- // utilities
- static void strlwr_(char* string)
- {
- while ( (*string++ = (char)tolower(*string)) );
- }
- static int try_rfn_cut(char *fname)
- {
- FILE *tmp;
- char *p;
- p = fname + strlen(fname) - 1;
- for (; p > fname; p--)
- if (*p == '.') break;
- *p = 0;
- if((tmp = fopen(fname, "rb"))) {
- fclose(tmp);
- return 1;
- }
- return 0;
- }
- static void get_ext(char *file, char *ext)
- {
- char *p;
- p = file + strlen(file) - 4;
- if (p < file) p = file;
- strncpy(ext, p, 4);
- ext[4] = 0;
- strlwr_(ext);
- }
- char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };
- char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };
- char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
- int emu_findBios(int region, char **bios_file)
- {
- static char bios_path[1024];
- int i, count;
- char **files;
- FILE *f = NULL;
- if (region == 4) { // US
- files = biosfiles_us;
- count = sizeof(biosfiles_us) / sizeof(char *);
- } else if (region == 8) { // EU
- files = biosfiles_eu;
- count = sizeof(biosfiles_eu) / sizeof(char *);
- } else if (region == 1 || region == 2) {
- files = biosfiles_jp;
- count = sizeof(biosfiles_jp) / sizeof(char *);
- } else {
- return 0;
- }
- for (i = 0; i < count; i++)
- {
- emu_getMainDir(bios_path, sizeof(bios_path));
- strcat(bios_path, files[i]);
- strcat(bios_path, ".bin");
- f = fopen(bios_path, "rb");
- if (f) break;
- bios_path[strlen(bios_path) - 4] = 0;
- strcat(bios_path, ".zip");
- f = fopen(bios_path, "rb");
- if (f) break;
- }
- if (f) {
- lprintf("using bios: %s\n", bios_path);
- fclose(f);
- if (bios_file) *bios_file = bios_path;
- return 1;
- } else {
- sprintf(menuErrorMsg, "no %s BIOS files found, read docs",
- region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
- lprintf("%s\n", menuErrorMsg);
- return 0;
- }
- }
- /* check if the name begins with BIOS name */
- /*
- static int emu_isBios(const char *name)
- {
- int i;
- for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
- if (strstr(name, biosfiles_us[i]) != NULL) return 1;
- for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
- if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
- for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
- if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
- return 0;
- }
- */
- static unsigned char id_header[0x100];
- /* checks if fname points to valid MegaCD image
- * if so, checks for suitable BIOS */
- int emu_cdCheck(int *pregion, char *fname_in)
- {
- unsigned char buf[32];
- pm_file *cd_f;
- int region = 4; // 1: Japan, 4: US, 8: Europe
- char ext[5], *fname = fname_in;
- cue_track_type type = CT_UNKNOWN;
- cue_data_t *cue_data = NULL;
- get_ext(fname_in, ext);
- if (strcasecmp(ext, ".cue") == 0) {
- cue_data = cue_parse(fname_in);
- if (cue_data != NULL) {
- fname = cue_data->tracks[1].fname;
- type = cue_data->tracks[1].type;
- }
- else
- return -1;
- }
- cd_f = pm_open(fname);
- if (cue_data != NULL)
- cue_destroy(cue_data);
- if (cd_f == NULL) return 0; // let the upper level handle this
- if (pm_read(buf, 32, cd_f) != 32) {
- pm_close(cd_f);
- return -1;
- }
- if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {
- if (type && type != CT_ISO)
- elprintf(EL_STATUS, ".cue has wrong type: %i", type);
- type = CT_ISO; // Sega CD (ISO)
- }
- if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {
- if (type && type != CT_BIN)
- elprintf(EL_STATUS, ".cue has wrong type: %i", type);
- type = CT_BIN; // Sega CD (BIN)
- }
- if (type == CT_UNKNOWN) {
- pm_close(cd_f);
- return 0;
- }
- pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);
- pm_read(id_header, sizeof(id_header), cd_f);
- /* it seems we have a CD image here. Try to detect region now.. */
- pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
- pm_read(buf, 1, cd_f);
- pm_close(cd_f);
- if (buf[0] == 0x64) region = 8; // EU
- if (buf[0] == 0xa1) region = 1; // JAP
- lprintf("detected %s Sega/Mega CD image with %s region\n",
- type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
- if (pregion != NULL) *pregion = region;
- return type;
- }
- static int extract_text(char *dest, const unsigned char *src, int len, int swab)
- {
- char *p = dest;
- int i;
- if (swab) swab = 1;
- for (i = len - 1; i >= 0; i--)
- {
- if (src[i^swab] != ' ') break;
- }
- len = i + 1;
- for (i = 0; i < len; i++)
- {
- unsigned char s = src[i^swab];
- if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
- s != '[' && s != ']' && s != '\\')
- {
- *p++ = s;
- }
- else
- {
- sprintf(p, "\\%02x", s);
- p += 3;
- }
- }
- return p - dest;
- }
- char *emu_makeRomId(void)
- {
- static char id_string[3+0xe*3+0x3*3+0x30*3+3];
- int pos, swab = 1;
- if (PicoAHW & PAHW_MCD) {
- strcpy(id_string, "CD|");
- swab = 0;
- }
- else strcpy(id_string, "MD|");
- pos = 3;
- pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial
- id_string[pos] = '|'; pos++;
- pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region
- id_string[pos] = '|'; pos++;
- pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name
- id_string[pos] = 0;
- return id_string;
- }
- // buffer must be at least 150 byte long
- void emu_getGameName(char *str150)
- {
- int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;
- char *s, *d;
- ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name
- for (s = d = str150 + 1; s < str150+ret; s++)
- {
- if (*s == 0) break;
- if (*s != ' ' || d[-1] != ' ')
- *d++ = *s;
- }
- *d = 0;
- }
- // note: this function might mangle rom_fname
- int emu_ReloadRom(char *rom_fname)
- {
- unsigned int rom_size = 0;
- char *used_rom_name = rom_fname;
- unsigned char *rom_data = NULL;
- char ext[5];
- pm_file *rom = NULL;
- int ret, cd_state, cd_region, cfg_loaded = 0;
- lprintf("emu_ReloadRom(%s)\n", rom_fname);
- get_ext(rom_fname, ext);
- // detect wrong extensions
- if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
- sprintf(menuErrorMsg, "Not a ROM/CD selected.");
- return 0;
- }
- PicoPatchUnload();
- // check for movie file
- if (movie_data) {
- free(movie_data);
- movie_data = 0;
- }
- if (!strcmp(ext, ".gmv"))
- {
- // check for both gmv and rom
- int dummy;
- FILE *movie_file = fopen(rom_fname, "rb");
- if(!movie_file) {
- sprintf(menuErrorMsg, "Failed to open movie.");
- return 0;
- }
- fseek(movie_file, 0, SEEK_END);
- movie_size = ftell(movie_file);
- fseek(movie_file, 0, SEEK_SET);
- if(movie_size < 64+3) {
- sprintf(menuErrorMsg, "Invalid GMV file.");
- fclose(movie_file);
- return 0;
- }
- movie_data = malloc(movie_size);
- if(movie_data == NULL) {
- sprintf(menuErrorMsg, "low memory.");
- fclose(movie_file);
- return 0;
- }
- fread(movie_data, 1, movie_size, movie_file);
- fclose(movie_file);
- if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
- sprintf(menuErrorMsg, "Invalid GMV file.");
- return 0;
- }
- dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
- if (!dummy) {
- sprintf(menuErrorMsg, "Could't find a ROM for movie.");
- return 0;
- }
- get_ext(rom_fname, ext);
- }
- else if (!strcmp(ext, ".pat"))
- {
- int dummy;
- PicoPatchLoad(rom_fname);
- dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
- if (!dummy) {
- sprintf(menuErrorMsg, "Could't find a ROM to patch.");
- return 0;
- }
- get_ext(rom_fname, ext);
- }
- emu_shutdownMCD();
- // check for MegaCD image
- cd_state = emu_cdCheck(&cd_region, rom_fname);
- if (cd_state >= 0 && cd_state != CIT_NOT_CD)
- {
- PicoAHW |= PAHW_MCD;
- // valid CD image, check for BIOS..
- // we need to have config loaded at this point
- ret = emu_ReadConfig(1, 1);
- if (!ret) emu_ReadConfig(0, 1);
- cfg_loaded = 1;
- if (PicoRegionOverride) {
- cd_region = PicoRegionOverride;
- lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");
- }
- if (!emu_findBios(cd_region, &used_rom_name)) {
- // bios_help() ?
- PicoAHW &= ~PAHW_MCD;
- return 0;
- }
- get_ext(used_rom_name, ext);
- }
- else
- {
- if (PicoAHW & PAHW_MCD) Stop_CD();
- PicoAHW &= ~PAHW_MCD;
- }
- rom = pm_open(used_rom_name);
- if (!rom) {
- sprintf(menuErrorMsg, "Failed to open ROM/CD image");
- goto fail;
- }
- if (cd_state < 0) {
- sprintf(menuErrorMsg, "Invalid CD image");
- goto fail;
- }
- menu_romload_prepare(used_rom_name); // also CD load
- PicoCartUnload();
- rom_loaded = 0;
- if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
- sprintf(menuErrorMsg, "PicoCartLoad() failed.");
- lprintf("%s\n", menuErrorMsg);
- goto fail2;
- }
- pm_close(rom);
- rom = NULL;
- // detect wrong files (Pico crashes on very small files), also see if ROM EP is good
- if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
- ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
- if (rom_data) free(rom_data);
- sprintf(menuErrorMsg, "Not a ROM selected.");
- goto fail2;
- }
- // load config for this ROM (do this before insert to get correct region)
- if (!(PicoAHW & PAHW_MCD))
- memcpy(id_header, rom_data + 0x100, sizeof(id_header));
- if (!cfg_loaded) {
- ret = emu_ReadConfig(1, 1);
- if (!ret) emu_ReadConfig(0, 1);
- }
- lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
- if (PicoCartInsert(rom_data, rom_size)) {
- sprintf(menuErrorMsg, "Failed to load ROM.");
- goto fail2;
- }
- // insert CD if it was detected
- if (cd_state != CIT_NOT_CD) {
- ret = Insert_CD(rom_fname, cd_state);
- if (ret != 0) {
- sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");
- lprintf("%s\n", menuErrorMsg);
- goto fail2;
- }
- }
- menu_romload_end();
- if (PicoPatches) {
- PicoPatchPrepare();
- PicoPatchApply();
- }
- // additional movie stuff
- if (movie_data)
- {
- if (movie_data[0x14] == '6')
- PicoOpt |= POPT_6BTN_PAD; // 6 button pad
- else PicoOpt &= ~POPT_6BTN_PAD;
- PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
- if (movie_data[0xF] >= 'A') {
- if (movie_data[0x16] & 0x80) {
- PicoRegionOverride = 8;
- } else {
- PicoRegionOverride = 4;
- }
- PicoReset();
- // TODO: bits 6 & 5
- }
- movie_data[0x18+30] = 0;
- sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);
- }
- else
- {
- PicoOpt &= ~POPT_DIS_VDP_FIFO;
- if (Pico.m.pal) {
- strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
- } else {
- strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");
- }
- }
- emu_noticeMsgUpdated();
- // load SRAM for this ROM
- if (currentConfig.EmuOpt & EOPT_USE_SRAM)
- emu_SaveLoadGame(1, 1);
- strncpy(loadedRomFName, rom_fname, sizeof(loadedRomFName)-1);
- loadedRomFName[sizeof(loadedRomFName)-1] = 0;
- rom_loaded = 1;
- return 1;
- fail2:
- menu_romload_end();
- fail:
- if (rom != NULL) pm_close(rom);
- return 0;
- }
- void emu_shutdownMCD(void)
- {
- if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
- Stop_CD();
- PicoAHW &= ~PAHW_MCD;
- }
- static void romfname_ext(char *dst, const char *prefix, const char *ext)
- {
- char *p;
- int prefix_len = 0;
- // make save filename
- p = loadedRomFName+strlen(loadedRomFName)-1;
- for (; p >= loadedRomFName && *p != PATH_SEP_C; p--); p++;
- *dst = 0;
- if (prefix) {
- int len = emu_getMainDir(dst, 512);
- strcpy(dst + len, prefix);
- prefix_len = len + strlen(prefix);
- }
- #ifdef UIQ3
- else p = loadedRomFName; // backward compatibility
- #endif
- strncpy(dst + prefix_len, p, 511-prefix_len);
- dst[511-8] = 0;
- if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
- if (ext) strcat(dst, ext);
- }
- static void make_config_cfg(char *cfg)
- {
- int len;
- len = emu_getMainDir(cfg, 512);
- strncpy(cfg + len, PicoConfigFile, 512-6-1-len);
- if (config_slot != 0)
- {
- char *p = strrchr(cfg, '.');
- if (p == NULL) p = cfg + strlen(cfg);
- sprintf(p, ".%i.cfg", config_slot);
- }
- cfg[511] = 0;
- }
- void emu_packConfig(void)
- {
- currentConfig.s_PicoOpt = PicoOpt;
- currentConfig.s_PsndRate = PsndRate;
- currentConfig.s_PicoRegion = PicoRegionOverride;
- currentConfig.s_PicoAutoRgnOrder = PicoAutoRgnOrder;
- currentConfig.s_PicoCDBuffers = PicoCDBuffers;
- }
- void emu_unpackConfig(void)
- {
- PicoOpt = currentConfig.s_PicoOpt;
- PsndRate = currentConfig.s_PsndRate;
- PicoRegionOverride = currentConfig.s_PicoRegion;
- PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
- PicoCDBuffers = currentConfig.s_PicoCDBuffers;
- }
- static void emu_setDefaultConfig(void)
- {
- memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
- emu_unpackConfig();
- }
- int emu_ReadConfig(int game, int no_defaults)
- {
- char cfg[512];
- int ret;
- if (!game)
- {
- if (!no_defaults)
- emu_setDefaultConfig();
- make_config_cfg(cfg);
- ret = config_readsect(cfg, NULL);
- }
- else
- {
- char *sect = emu_makeRomId();
- // try new .cfg way
- if (config_slot != 0)
- sprintf(cfg, "game.%i.cfg", config_slot);
- else strcpy(cfg, "game.cfg");
- ret = -1;
- if (config_havesect(cfg, sect))
- {
- // read user's config
- int vol = currentConfig.volume;
- emu_setDefaultConfig();
- ret = config_readsect(cfg, sect);
- currentConfig.volume = vol; // make vol global (bah)
- }
- else
- {
- // read global config, and apply game_def.cfg on top
- make_config_cfg(cfg);
- config_readsect(cfg, NULL);
- ret = config_readsect("game_def.cfg", sect);
- }
- if (ret == 0)
- {
- lprintf("loaded cfg from sect \"%s\"\n", sect);
- }
- }
- // some sanity checks
- if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
- #ifdef PSP
- if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
- if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
- #else
- if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;
- #endif
- if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;
- #ifdef __GP2X__
- // if volume keys are unbound, bind them to volume control
- if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {
- currentConfig.KeyBinds[23] = 1<<29; // vol up
- currentConfig.KeyBinds[22] = 1<<30; // vol down
- }
- #endif
- if (ret == 0) config_slot_current = config_slot;
- return (ret == 0);
- }
- int emu_WriteConfig(int is_game)
- {
- char cfg[512], *game_sect = NULL;
- int ret, write_lrom = 0;
- if (!is_game)
- {
- make_config_cfg(cfg);
- write_lrom = 1;
- } else {
- if (config_slot != 0)
- sprintf(cfg, "game.%i.cfg", config_slot);
- else strcpy(cfg, "game.cfg");
- game_sect = emu_makeRomId();
- lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);
- }
- lprintf("emu_WriteConfig: %s ", cfg);
- ret = config_writesect(cfg, game_sect);
- if (write_lrom) config_writelrom(cfg);
- #ifndef NO_SYNC
- sync();
- #endif
- lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
- if (ret == 0) config_slot_current = config_slot;
- return ret == 0;
- }
- #ifndef UIQ3
- void emu_textOut8(int x, int y, const char *text)
- {
- int i,l,len=strlen(text);
- unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
- /* always using built-in font */
- for (i = 0; i < len; i++)
- {
- for (l=0;l<8;l++)
- {
- unsigned char fd = fontdata8x8[((text[i])*8)+l];
- if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;
- if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;
- if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;
- if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;
- if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;
- if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;
- if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;
- if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;
- }
- screen += 8;
- }
- }
- void emu_textOut16(int x, int y, const char *text)
- {
- int i,l,len=strlen(text);
- unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
- for (i = 0; i < len; i++)
- {
- for (l=0;l<8;l++)
- {
- unsigned char fd = fontdata8x8[((text[i])*8)+l];
- if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;
- if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;
- if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;
- if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;
- if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;
- if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;
- if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;
- if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;
- }
- screen += 8;
- }
- }
- #endif
- #ifdef PSP
- #define MAX_COMBO_KEY 23
- #else
- #define MAX_COMBO_KEY 31
- #endif
- void emu_findKeyBindCombos(void)
- {
- int act, u;
- // find out which keys and actions are combos
- kb_combo_keys = kb_combo_acts = 0;
- for (act = 0; act < 32; act++)
- {
- int keyc = 0, keyc2 = 0;
- if (act == 16 || act == 17) continue; // player2 flag
- if (act > 17)
- {
- for (u = 0; u <= MAX_COMBO_KEY; u++)
- if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
- }
- else
- {
- for (u = 0; u <= MAX_COMBO_KEY; u++)
- if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1
- (currentConfig.KeyBinds[u] & (1 << act))) keyc++;
- for (u = 0; u <= MAX_COMBO_KEY; u++)
- if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2
- (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;
- if (keyc2 > keyc) keyc = keyc2;
- }
- if (keyc > 1)
- {
- // loop again and mark those keys and actions as combo
- for (u = 0; u <= MAX_COMBO_KEY; u++)
- {
- if (currentConfig.KeyBinds[u] & (1 << act)) {
- kb_combo_keys |= 1 << u;
- kb_combo_acts |= 1 << act;
- }
- }
- }
- }
- // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);
- }
- void emu_updateMovie(void)
- {
- int offs = Pico.m.frame_count*3 + 0x40;
- if (offs+3 > movie_size) {
- free(movie_data);
- movie_data = 0;
- strcpy(noticeMsg, "END OF MOVIE.");
- lprintf("END OF MOVIE.\n");
- emu_noticeMsgUpdated();
- } else {
- // MXYZ SACB RLDU
- PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
- if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A
- if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B
- if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A
- PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
- if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A
- if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B
- if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A
- PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
- if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
- if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
- PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
- if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
- if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
- }
- }
- static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)
- {
- return gzread(file, p, _n);
- }
- static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
- {
- return gzwrite(file, p, _n);
- }
- static int try_ropen_file(const char *fname)
- {
- FILE *f;
- f = fopen(fname, "rb");
- if (f) {
- fclose(f);
- return 1;
- }
- return 0;
- }
- char *emu_GetSaveFName(int load, int is_sram, int slot)
- {
- static char saveFname[512];
- char ext[16];
- if (is_sram)
- {
- romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm");
- if (load) {
- if (try_ropen_file(saveFname)) return saveFname;
- // try in current dir..
- romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
- if (try_ropen_file(saveFname)) return saveFname;
- return NULL; // give up
- }
- }
- else
- {
- ext[0] = 0;
- if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
- strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds");
- romfname_ext(saveFname, "mds" PATH_SEP, ext);
- if (load) {
- if (try_ropen_file(saveFname)) return saveFname;
- romfname_ext(saveFname, NULL, ext);
- if (try_ropen_file(saveFname)) return saveFname;
- // no gzipped states, search for non-gzipped
- if (currentConfig.EmuOpt & EOPT_GZIP_SAVES)
- {
- ext[0] = 0;
- if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
- strcat(ext, ".mds");
- romfname_ext(saveFname, "mds"PATH_SEP, ext);
- if (try_ropen_file(saveFname)) return saveFname;
- romfname_ext(saveFname, NULL, ext);
- if (try_ropen_file(saveFname)) return saveFname;
- }
- return NULL;
- }
- }
- return saveFname;
- }
- int emu_checkSaveFile(int slot)
- {
- return emu_GetSaveFName(1, 0, slot) ? 1 : 0;
- }
- void emu_setSaveStateCbs(int gz)
- {
- if (gz) {
- areaRead = gzRead2;
- areaWrite = gzWrite2;
- areaEof = (areaeof *) gzeof;
- areaSeek = (areaseek *) gzseek;
- areaClose = (areaclose *) gzclose;
- } else {
- areaRead = (arearw *) fread;
- areaWrite = (arearw *) fwrite;
- areaEof = (areaeof *) feof;
- areaSeek = (areaseek *) fseek;
- areaClose = (areaclose *) fclose;
- }
- }
- int emu_SaveLoadGame(int load, int sram)
- {
- int ret = 0;
- char *saveFname;
- // make save filename
- saveFname = emu_GetSaveFName(load, sram, state_slot);
- if (saveFname == NULL) {
- if (!sram) {
- strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");
- emu_noticeMsgUpdated();
- }
- return -1;
- }
- lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
- if (sram)
- {
- FILE *sramFile;
- int sram_size;
- unsigned char *sram_data;
- int truncate = 1;
- if (PicoAHW & PAHW_MCD)
- {
- if (PicoOpt&POPT_EN_MCD_RAMCART) {
- sram_size = 0x12000;
- sram_data = SRam.data;
- if (sram_data)
- memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
- } else {
- sram_size = 0x2000;
- sram_data = Pico_mcd->bram;
- truncate = 0; // the .brm may contain RAM cart data after normal brm
- }
- } else {
- sram_size = SRam.end-SRam.start+1;
- if(Pico.m.sram_reg & 4) sram_size=0x2000;
- sram_data = SRam.data;
- }
- if (!sram_data) return 0; // SRam forcefully disabled for this game
- if (load)
- {
- sramFile = fopen(saveFname, "rb");
- if(!sramFile) return -1;
- fread(sram_data, 1, sram_size, sramFile);
- fclose(sramFile);
- if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
- memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
- } else {
- // sram save needs some special processing
- // see if we have anything to save
- for (; sram_size > 0; sram_size--)
- if (sram_data[sram_size-1]) break;
- if (sram_size) {
- sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
- if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
- if (!sramFile) return -1;
- ret = fwrite(sram_data, 1, sram_size, sramFile);
- ret = (ret != sram_size) ? -1 : 0;
- fclose(sramFile);
- #ifndef NO_SYNC
- sync();
- #endif
- }
- }
- return ret;
- }
- else
- {
- void *PmovFile = NULL;
- if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)
- {
- if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
- emu_setSaveStateCbs(1);
- if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
- }
- }
- else
- {
- if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
- emu_setSaveStateCbs(0);
- }
- }
- if(PmovFile) {
- ret = PmovState(load ? 6 : 5, PmovFile);
- areaClose(PmovFile);
- PmovFile = 0;
- if (load) Pico.m.dirtyPal=1;
- #ifndef NO_SYNC
- else sync();
- #endif
- }
- else ret = -1;
- if (!ret)
- strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");
- else
- {
- strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");
- ret = -1;
- }
- emu_noticeMsgUpdated();
- return ret;
- }
- }
- void emu_changeFastForward(int set_on)
- {
- static void *set_PsndOut = NULL;
- static int set_Frameskip, set_EmuOpt, is_on = 0;
- if (set_on && !is_on) {
- set_PsndOut = PsndOut;
- set_Frameskip = currentConfig.Frameskip;
- set_EmuOpt = currentConfig.EmuOpt;
- PsndOut = NULL;
- currentConfig.Frameskip = 8;
- currentConfig.EmuOpt &= ~4;
- currentConfig.EmuOpt |= 0x40000;
- is_on = 1;
- strcpy(noticeMsg, "FAST FORWARD ");
- emu_noticeMsgUpdated();
- }
- else if (!set_on && is_on) {
- PsndOut = set_PsndOut;
- currentConfig.Frameskip = set_Frameskip;
- currentConfig.EmuOpt = set_EmuOpt;
- PsndRerate(1);
- is_on = 0;
- }
- }
- void emu_RunEventsPico(unsigned int events)
- {
- if (events & (1 << 3)) {
- pico_inp_mode++;
- if (pico_inp_mode > 2) pico_inp_mode = 0;
- switch (pico_inp_mode) {
- case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;
- case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;
- case 0: strcpy(noticeMsg, "Input: Joytick ");
- PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
- break;
- }
- emu_noticeMsgUpdated();
- }
- if (events & (1 << 4)) {
- PicoPicohw.page--;
- if (PicoPicohw.page < 0) PicoPicohw.page = 0;
- sprintf(noticeMsg, "Page %i ", PicoPicohw.page);
- emu_noticeMsgUpdated();
- }
- if (events & (1 << 5)) {
- PicoPicohw.page++;
- if (PicoPicohw.page > 6) PicoPicohw.page = 6;
- sprintf(noticeMsg, "Page %i ", PicoPicohw.page);
- emu_noticeMsgUpdated();
- }
- }
- void emu_DoTurbo(int *pad, int acts)
- {
- static int turbo_pad = 0;
- static unsigned char turbo_cnt[3] = { 0, 0, 0 };
- int inc = currentConfig.turbo_rate * 2;
- if (acts & 0x1000) {
- turbo_cnt[0] += inc;
- if (turbo_cnt[0] >= 60)
- turbo_pad ^= 0x10, turbo_cnt[0] = 0;
- }
- if (acts & 0x2000) {
- turbo_cnt[1] += inc;
- if (turbo_cnt[1] >= 60)
- turbo_pad ^= 0x20, turbo_cnt[1] = 0;
- }
- if (acts & 0x4000) {
- turbo_cnt[2] += inc;
- if (turbo_cnt[2] >= 60)
- turbo_pad ^= 0x40, turbo_cnt[2] = 0;
- }
- *pad |= turbo_pad & (acts >> 8);
- }
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