X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=common%2Femu.c;h=7aac10b8463819f44e34da9f432111c22d90b098;hb=049a6b3e80151f6a5af726e25478ed15e111dfcc;hp=fabd5213aa94e13097235e65d49055280c965df9;hpb=260f1bcc8a782e7b19a11d446927cd4c2c493e8c;p=libpicofe.git diff --git a/common/emu.c b/common/emu.c index fabd521..7aac10b 100644 --- a/common/emu.c +++ b/common/emu.c @@ -15,64 +15,52 @@ #include "fonts.h" #include "lprintf.h" #include "config.h" +#include "common.h" +#include "plat.h" -#include -#include -#include +#include +#include +#include #include -#if defined(__GP2X__) - #include "../gp2x/gp2x.h" - #define SCREEN_WIDTH 320 - #define SCREEN_BUFFER gp2x_screen -#elif defined(__GIZ__) - #include "../gizmondo/giz.h" - #define SCREEN_WIDTH 321 - #define SCREEN_BUFFER giz_screen -#elif defined(PSP) - #include "../psp/psp.h" - #define SCREEN_WIDTH 512 - #define SCREEN_BUFFER psp_screen -#endif char *PicoConfigFile = "config.cfg"; currentConfig_t currentConfig, defaultConfig; -int rom_loaded = 0; -char noticeMsg[64]; +char noticeMsg[64] = { 0, }; int state_slot = 0; int config_slot = 0, config_slot_current = 0; -char lastRomFile[512]; int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos +int pico_inp_mode = 0; +int engineState = PGS_Menu; + +/* TODO: len checking */ +char rom_fname_reload[512] = { 0, }; +char rom_fname_loaded[512] = { 0, }; +int rom_loaded = 0; unsigned char *movie_data = NULL; static int movie_size = 0; -// provided by platform code: -extern char romFileName[]; -extern void emu_noticeMsgUpdated(void); -extern void emu_getMainDir(char *dst, int len); -extern void emu_setDefaultConfig(void); -extern void menu_romload_prepare(const char *rom_name); -extern void menu_romload_end(void); - // utilities -static void strlwr_(char* string) +static void strlwr_(char *string) { - while ( (*string++ = (char)tolower(*string)) ); + char *p; + for (p = string; *p; p++) + *p = (char)tolower(*p); } -static int try_rfn_cut(void) +static int try_rfn_cut(char *fname) { FILE *tmp; char *p; - p = romFileName + strlen(romFileName) - 1; - for (; p > romFileName; p--) + p = fname + strlen(fname) - 1; + for (; p > fname; p--) if (*p == '.') break; *p = 0; - if((tmp = fopen(romFileName, "rb"))) { + if((tmp = fopen(fname, "rb"))) { fclose(tmp); return 1; } @@ -158,35 +146,37 @@ static int emu_isBios(const char *name) static unsigned char id_header[0x100]; -/* checks if romFileName points to valid MegaCD image +/* checks if fname points to valid MegaCD image * if so, checks for suitable BIOS */ -int emu_cdCheck(int *pregion) +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 = romFileName; + char ext[5], *fname = fname_in; cue_track_type type = CT_UNKNOWN; cue_data_t *cue_data = NULL; - get_ext(romFileName, ext); + get_ext(fname_in, ext); if (strcasecmp(ext, ".cue") == 0) { - cue_data = cue_parse(romFileName); + 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) return 0; // let the upper level handle this + 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 0; + return -1; } if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) { @@ -257,7 +247,7 @@ static int extract_text(char *dest, const unsigned char *src, int len, int swab) char *emu_makeRomId(void) { - static char id_string[3+0x11+0x11+0x30+16]; + static char id_string[3+0xe*3+0x3*3+0x30*3+3]; int pos, swab = 1; if (PicoAHW & PAHW_MCD) { @@ -277,22 +267,40 @@ char *emu_makeRomId(void) return id_string; } -int emu_ReloadRom(void) +// 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 = romFileName; + char *used_rom_name = rom_fname; unsigned char *rom_data = NULL; char ext[5]; - pm_file *rom; + pm_file *rom = NULL; int ret, cd_state, cd_region, cfg_loaded = 0; - lprintf("emu_ReloadRom(%s)\n", romFileName); + lprintf("emu_ReloadRom(%s)\n", rom_fname); - get_ext(romFileName, ext); + 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 selected."); + sprintf(menuErrorMsg, "Not a ROM/CD selected."); return 0; } @@ -307,7 +315,7 @@ int emu_ReloadRom(void) { // check for both gmv and rom int dummy; - FILE *movie_file = fopen(romFileName, "rb"); + FILE *movie_file = fopen(rom_fname, "rb"); if(!movie_file) { sprintf(menuErrorMsg, "Failed to open movie."); return 0; @@ -332,30 +340,31 @@ int emu_ReloadRom(void) sprintf(menuErrorMsg, "Invalid GMV file."); return 0; } - dummy = try_rfn_cut() || try_rfn_cut(); + 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(romFileName, ext); + get_ext(rom_fname, ext); + lprintf("gmv loaded for %s\n", rom_fname); } - else if (!strcmp(ext, ".pat")) { + else if (!strcmp(ext, ".pat")) + { int dummy; - PicoPatchLoad(romFileName); - dummy = try_rfn_cut() || try_rfn_cut(); + 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(romFileName, ext); + get_ext(rom_fname, ext); } - if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL) - Stop_CD(); + emu_shutdownMCD(); // check for MegaCD image - cd_state = emu_cdCheck(&cd_region); - if (cd_state != CIT_NOT_CD) + 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.. @@ -385,8 +394,13 @@ int emu_ReloadRom(void) rom = pm_open(used_rom_name); if (!rom) { - sprintf(menuErrorMsg, "Failed to open rom."); - return 0; + 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 @@ -395,21 +409,21 @@ int emu_ReloadRom(void) rom_loaded = 0; if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) { - sprintf(menuErrorMsg, "PicoCartLoad() failed."); + if (ret == 2) sprintf(menuErrorMsg, "Out of memory"); + else if (ret == 3) sprintf(menuErrorMsg, "Read failed"); + else sprintf(menuErrorMsg, "PicoCartLoad() failed."); lprintf("%s\n", menuErrorMsg); - pm_close(rom); - menu_romload_end(); - return 0; + 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."); - menu_romload_end(); - return 0; + goto fail2; } // load config for this ROM (do this before insert to get correct region) @@ -423,18 +437,16 @@ int emu_ReloadRom(void) lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size); if (PicoCartInsert(rom_data, rom_size)) { sprintf(menuErrorMsg, "Failed to load ROM."); - menu_romload_end(); - return 0; + goto fail2; } // insert CD if it was detected if (cd_state != CIT_NOT_CD) { - ret = Insert_CD(romFileName, cd_state); + ret = Insert_CD(rom_fname, cd_state); if (ret != 0) { sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?"); lprintf("%s\n", menuErrorMsg); - menu_romload_end(); - return 0; + goto fail2; } } @@ -446,13 +458,14 @@ int emu_ReloadRom(void) } // additional movie stuff - if (movie_data) { - if(movie_data[0x14] == '6') + 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|POPT_ACC_TIMING; // accurate timing, no VDP fifo timing - if(movie_data[0xF] >= 'A') { - if(movie_data[0x16] & 0x80) { + PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing + if (movie_data[0xF] >= 'A') { + if (movie_data[0x16] & 0x80) { PicoRegionOverride = 8; } else { PicoRegionOverride = 4; @@ -466,7 +479,7 @@ int emu_ReloadRom(void) else { PicoOpt &= ~POPT_DIS_VDP_FIFO; - if(Pico.m.pal) { + if (Pico.m.pal) { strcpy(noticeMsg, "PAL SYSTEM / 50 FPS"); } else { strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS"); @@ -475,28 +488,46 @@ int emu_ReloadRom(void) emu_noticeMsgUpdated(); // load SRAM for this ROM - if (currentConfig.EmuOpt & 1) + if (currentConfig.EmuOpt & EOPT_USE_SRAM) emu_SaveLoadGame(1, 1); - strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1); - lastRomFile[sizeof(lastRomFile)-1] = 0; + strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1); + rom_fname_loaded[sizeof(rom_fname_loaded)-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 - for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++; + p = rom_fname_loaded + strlen(rom_fname_loaded) - 1; + for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++; *dst = 0; if (prefix) { - strcpy(dst, prefix); - prefix_len = strlen(prefix); + int len = emu_getMainDir(dst, 512); + strcpy(dst + len, prefix); + prefix_len = len + strlen(prefix); } +#ifdef UIQ3 + else p = rom_fname_loaded; // 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; @@ -506,7 +537,9 @@ static void romfname_ext(char *dst, const char *prefix, const char *ext) static void make_config_cfg(char *cfg) { - strncpy(cfg, PicoConfigFile, 511); + int len; + len = emu_getMainDir(cfg, 512); + strncpy(cfg + len, PicoConfigFile, 512-6-1-len); if (config_slot != 0) { char *p = strrchr(cfg, '.'); @@ -516,10 +549,34 @@ static void make_config_cfg(char *cfg) 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]; - FILE *f; int ret; if (!game) @@ -555,37 +612,7 @@ int emu_ReadConfig(int game, int no_defaults) ret = config_readsect("game_def.cfg", sect); } - if (ret != 0) - { - // fall back to old game specific cfg - char extbuf[16]; - if (config_slot != 0) - sprintf(extbuf, ".%i.pbcfg", config_slot); - else strcpy(extbuf, ".pbcfg"); - romfname_ext(cfg, "cfg/", extbuf); - f = fopen(cfg, "rb"); - if (!f) { - romfname_ext(cfg, NULL, ".pbcfg"); - f = fopen(cfg, "rb"); - } - if (f) { - int bread; - fseek(f, 512, SEEK_SET); // skip unused lrom buffer - bread = fread(¤tConfig, 1, sizeof(currentConfig), f); - lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)"); - fclose(f); - ret = 0; - } - - if (ret == 0) { - PicoOpt = currentConfig.s_PicoOpt; - PsndRate = currentConfig.s_PsndRate; - PicoRegionOverride = currentConfig.s_PicoRegion; - PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder; - // PicoCDBuffers = currentConfig.s_PicoCDBuffers; // ignore in this case - } - } - else + if (ret == 0) { lprintf("loaded cfg from sect \"%s\"\n", sect); } @@ -619,14 +646,7 @@ int emu_WriteConfig(int is_game) if (!is_game) { - strncpy(cfg, PicoConfigFile, 511); - if (config_slot != 0) - { - char *p = strrchr(cfg, '.'); - if (p == NULL) p = cfg + strlen(cfg); - sprintf(p, ".%i.cfg", config_slot); - } - cfg[511] = 0; + make_config_cfg(cfg); write_lrom = 1; } else { if (config_slot != 0) @@ -649,6 +669,17 @@ int emu_WriteConfig(int is_game) } +void emu_writelrom(void) +{ + char cfg[512]; + make_config_cfg(cfg); + config_writelrom(cfg); +#ifndef NO_SYNC + sync(); +#endif +} + +#ifndef UIQ3 void emu_textOut8(int x, int y, const char *text) { int i,l,len=strlen(text); @@ -695,6 +726,7 @@ void emu_textOut16(int x, int y, const char *text) screen += 8; } } +#endif #ifdef PSP #define MAX_COMBO_KEY 23 @@ -756,13 +788,13 @@ void emu_updateMovie(void) } 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 + if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C + if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A + if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B 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 + if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C + if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A + if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B 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 @@ -803,7 +835,7 @@ char *emu_GetSaveFName(int load, int is_sram, int slot) if (is_sram) { - romfname_ext(saveFname, (PicoAHW&1) ? "brm/" : "srm/", (PicoAHW&1) ? ".brm" : ".srm"); + 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.. @@ -816,19 +848,21 @@ char *emu_GetSaveFName(int load, int is_sram, int slot) { ext[0] = 0; if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot); - strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds"); + strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds"); - romfname_ext(saveFname, "mds/", ext); + 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; - if (currentConfig.EmuOpt & 8) { + // 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/", ext); + 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; @@ -959,10 +993,10 @@ int emu_SaveLoadGame(int load, int sram) } else ret = -1; if (!ret) - strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED "); + strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED "); else { - strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED "); + strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED "); ret = -1; } @@ -971,3 +1005,81 @@ int emu_SaveLoadGame(int load, int sram) } } +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); +} +