X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Fcommon%2Femu.c;h=88d80b7e9c742bdeb00b826e0281114c7e8df70b;hb=0d83abe234136b0cbf3f2ae020760d9f57d84af6;hp=7de2aa99a2be211c505ee228b7b04453dd513498;hpb=35e3031aaab69be3703de3b6ce0cfa64aae5ece8;p=picodrive.git diff --git a/platform/common/emu.c b/platform/common/emu.c index 7de2aa9..88d80b7 100644 --- a/platform/common/emu.c +++ b/platform/common/emu.c @@ -1,4 +1,4 @@ -// (c) Copyright 2006-2007 notaz, All rights reserved. +// (c) Copyright 2006-2009 notaz, All rights reserved. // Free for non-commercial use. // For commercial use, separate licencing terms must be obtained. @@ -22,7 +22,6 @@ #include #include #include -#include #define STATUS_MSG_TIMEOUT 2000 @@ -407,8 +406,8 @@ int emu_reload_rom(char *rom_fname) // valid CD image, check for BIOS.. // we need to have config loaded at this point - ret = emu_read_config(1, 1); - if (!ret) emu_read_config(0, 1); + ret = emu_read_config(1, 0); + if (!ret) emu_read_config(0, 0); cfg_loaded = 1; if (PicoRegionOverride) { @@ -465,8 +464,8 @@ int emu_reload_rom(char *rom_fname) if (!(PicoAHW & PAHW_MCD)) memcpy(id_header, rom_data + 0x100, sizeof(id_header)); if (!cfg_loaded) { - ret = emu_read_config(1, 1); - if (!ret) emu_read_config(0, 1); + ret = emu_read_config(1, 0); + if (!ret) emu_read_config(0, 0); } lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size); @@ -516,13 +515,14 @@ int emu_reload_rom(char *rom_fname) emu_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS"); } + strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1); + rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0; + rom_loaded = 1; + // load SRAM for this ROM if (currentConfig.EmuOpt & EOPT_EN_SRAM) emu_save_load_game(1, 1); - 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: @@ -613,10 +613,11 @@ int emu_read_config(int game, int no_defaults) char cfg[512]; int ret; + if (!no_defaults) + emu_set_defconfig(); + if (!game) { - if (!no_defaults) - emu_set_defconfig(); make_config_cfg(cfg); ret = config_readsect(cfg, NULL); } @@ -643,7 +644,8 @@ int emu_read_config(int game, int no_defaults) // 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); + emu_make_path(cfg, "game_def.cfg", sizeof(cfg)); + ret = config_readsect(cfg, sect); } if (ret == 0) @@ -764,18 +766,6 @@ void update_movie(void) } } - -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; @@ -795,7 +785,8 @@ char *emu_get_save_fname(int load, int is_sram, int slot) if (is_sram) { - romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm"); + romfname_ext(saveFname, (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, + (PicoAHW & PAHW_MCD) ? ".brm" : ".srm"); if (load) { if (try_ropen_file(saveFname)) return saveFname; // try in current dir.. @@ -839,23 +830,6 @@ int emu_check_save_file(int slot) return emu_get_save_fname(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_save_load_game(int load, int sram) { int ret = 0; @@ -926,34 +900,13 @@ int emu_save_load_game(int load, int sram) } 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; + ret = PicoState(saveFname, !load); + if (!ret) { #ifndef NO_SYNC - else sync(); + if (!load) sync(); #endif - } - else ret = -1; - if (!ret) emu_status_msg(load ? "STATE LOADED" : "STATE SAVED"); - else - { + } else { emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED"); ret = -1; } @@ -987,9 +940,14 @@ void emu_set_fastforward(int set_on) } } -static void emu_msg_tray_open(void) +static void emu_tray_open(void) { - emu_status_msg("CD tray opened"); + engineState = PGS_TrayMenu; +} + +static void emu_tray_close(void) +{ + emu_status_msg("CD tray closed."); } void emu_reset_game(void) @@ -1211,8 +1169,8 @@ void emu_init(void) PicoInit(); PicoMessage = plat_status_msg_busy_next; - PicoMCDopenTray = emu_msg_tray_open; - PicoMCDcloseTray = menu_loop_tray; + PicoMCDopenTray = emu_tray_open; + PicoMCDcloseTray = emu_tray_close; } void emu_finish(void) @@ -1275,9 +1233,6 @@ void emu_loop(void) if (PicoAHW & PAHW_MCD) PicoCDBufferInit(); - if (currentConfig.EmuOpt & EOPT_PSYNC) - plat_video_wait_vsync(); - pemu_loop_prep(); timestamp_fps = get_ticks(); @@ -1285,6 +1240,8 @@ void emu_loop(void) frames_done = frames_shown = pframes_done = 0; + plat_video_wait_vsync(); + /* loop with resync every 1 sec. */ while (engineState == PGS_Running) { @@ -1381,7 +1338,7 @@ void emu_loop(void) if (!(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT)) { timestamp = get_ticks(); diff = timestamp - timestamp_base; - if (diff < diff_lim) // we are too fast + if (!reset_timing && diff < diff_lim) // we are too fast plat_wait_till_us(timestamp_base + diff_lim); } } @@ -1413,12 +1370,9 @@ void emu_loop(void) if (diff < diff_lim) { // we are too fast - if (currentConfig.EmuOpt & EOPT_PSYNC) { - if (diff_lim - diff > target_frametime/2) - plat_wait_till_us(timestamp_base + target_frametime/4); + plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4); + if (currentConfig.EmuOpt & EOPT_VSYNC) plat_video_wait_vsync(); - } else - plat_wait_till_us(timestamp_base + diff_lim); } } @@ -1429,9 +1383,6 @@ void emu_loop(void) emu_set_fastforward(0); - if (PicoAHW & PAHW_MCD) - PicoCDBufferFree(); - // save SRAM if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) { plat_status_msg_busy_first("Writing SRAM/BRAM..."); @@ -1439,9 +1390,11 @@ void emu_loop(void) SRam.changed = 0; } - // do menu background to be sure it's right - pemu_forced_frame(POPT_EN_SOFTSCALE); - pemu_loop_end(); + + // pemu_loop_end() might want to do 1 frame for bg image, + // so free CD buffer here + if (PicoAHW & PAHW_MCD) + PicoCDBufferFree(); }