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savestate loader in menu
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@56 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
913ef4b7a3
commit
860c6322c3
9 changed files with 344 additions and 79 deletions
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@ -6,6 +6,8 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <linux/limits.h>
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#include <ctype.h>
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#include <unistd.h>
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@ -394,22 +396,36 @@ void emu_Init(void)
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printf("framebuff == 0\n");
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}
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// make dirs for saves, cfgs, etc.
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mkdir("mds", 0777);
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mkdir("srm", 0777);
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mkdir("brm", 0777);
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mkdir("cfg", 0777);
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PicoInit();
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// logf = fopen("log.txt", "w");
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}
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static void romfname_ext(char *dst, char *ext)
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static void romfname_ext(char *dst, const char *prefix, const char *ext)
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{
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char *p;
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int prefix_len = 0;
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// make save filename
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for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;
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strncpy(dst, p, 511);
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*dst = 0;
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if (prefix) {
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strcpy(dst, prefix);
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prefix_len = strlen(prefix);
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}
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strncpy(dst + prefix_len, p, 511-prefix_len);
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dst[511-8] = 0;
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if(dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
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strcat(dst, ext);
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if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
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if (ext) strcat(dst, ext);
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printf("romfname_ext: %s\n", dst);
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}
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@ -479,7 +495,10 @@ int emu_ReadConfig(int game)
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strncpy(cfg, PicoConfigFile, 511);
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cfg[511] = 0;
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} else {
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romfname_ext(cfg, ".pbcfg");
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romfname_ext(cfg, "cfg/", ".pbcfg");
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f = fopen(cfg, "rb");
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if (!f) romfname_ext(cfg, NULL, ".pbcfg");
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else fclose(f);
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}
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printf("emu_ReadConfig: %s ", cfg);
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@ -522,7 +541,7 @@ int emu_WriteConfig(int game)
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strncpy(cfg, PicoConfigFile, 511);
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cfg[511] = 0;
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} else {
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romfname_ext(cfg, ".pbcfg");
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romfname_ext(cfg, "cfg", ".pbcfg");
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}
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printf("emu_WriteConfig: %s ", cfg);
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@ -745,25 +764,6 @@ static void vidResetMode(void)
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}
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static int check_save_file(void)
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{
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char saveFname[512];
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char ext[16];
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FILE *f;
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ext[0] = 0;
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if(state_slot > 0 && state_slot < 10) sprintf(ext, ".%i", state_slot);
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strcat(ext, ".mds");
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if(currentConfig.EmuOpt & 8) strcat(ext, ".gz");
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romfname_ext(saveFname, ext);
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if ((f = fopen(saveFname, "rb"))) {
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fclose(f);
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return 1;
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}
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return 0;
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}
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static void emu_state_cb(const char *str)
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{
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clearArea(0);
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@ -774,7 +774,7 @@ static void RunEvents(unsigned int which)
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{
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if(which & 0x1800) { // save or load (but not both)
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int do_it = 1;
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if (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200) && check_save_file()) {
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if (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200) && emu_check_save_file(state_slot)) {
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unsigned long keys;
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blit("", "OVERWRITE SAVE? (Y=yes, X=no)");
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while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )
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@ -817,7 +817,7 @@ static void RunEvents(unsigned int which)
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state_slot += 1;
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if(state_slot > 9) state_slot = 0;
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}
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sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, check_save_file() ? "USED" : "FREE");
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sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_check_save_file(state_slot) ? "USED" : "FREE");
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gettimeofday(¬iceMsgTime, 0);
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}
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if(which & 0x0080) {
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@ -964,6 +964,24 @@ static void SkipFrame(int do_sound)
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}
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void emu_forced_frame(void)
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{
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int po_old = PicoOpt;
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PicoOpt |= 0x10;
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PicoFrameFull();
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PicoOpt = po_old;
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if (!(Pico.video.reg[12]&1)) {
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vidCpyM2 = vidCpyM2_40col;
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clearArea(1);
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} else vidCpyM2 = vidCpyM2_32col;
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vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);
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vidConvCpyRGB32(localPal, Pico.cram, 0x40);
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gp2x_video_setpalette(localPal, 0x40);
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}
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static void simpleWait(int thissec, int lim_time)
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{
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struct timeval tval;
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@ -1239,18 +1257,11 @@ if (Pico.m.frame_count == 31563) {
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}
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// if in 16bit mode, generate 8it image for menu background
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if (!(PicoOpt&0x10) && (currentConfig.EmuOpt&0x80)) {
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PicoOpt |= 0x10;
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if (!(Pico.video.reg[12]&1)) clearArea(1);
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PicoFrameFull();
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vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);
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vidConvCpyRGB32(localPal, Pico.cram, 0x40);
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gp2x_video_setpalette(localPal, 0x40);
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PicoOpt &= ~0x10;
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}
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if (!(PicoOpt&0x10) && (currentConfig.EmuOpt&0x80))
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emu_forced_frame();
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// for menu bg
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gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);
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gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);
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}
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@ -1272,18 +1283,95 @@ size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
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return gzwrite(file, p, _n);
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}
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static int try_ropen_file(const char *fname)
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{
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FILE *f;
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f = fopen(fname, "rb");
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if (f) {
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fclose(f);
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return 1;
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}
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return 0;
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}
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char *emu_GetSaveFName(int load, int is_sram, int slot)
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{
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static char saveFname[512];
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char ext[16];
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if (is_sram)
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{
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romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");
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if (load) {
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if (try_ropen_file(saveFname)) return saveFname;
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// try in current dir..
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romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");
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if (try_ropen_file(saveFname)) return saveFname;
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return NULL; // give up
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}
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}
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else
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{
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ext[0] = 0;
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if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
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strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");
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romfname_ext(saveFname, "mds/", ext);
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if (load) {
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if (try_ropen_file(saveFname)) return saveFname;
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romfname_ext(saveFname, NULL, ext);
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if (try_ropen_file(saveFname)) return saveFname;
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if (currentConfig.EmuOpt & 8) {
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ext[0] = 0;
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if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
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strcat(ext, ".mds");
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romfname_ext(saveFname, "mds/", ext);
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if (try_ropen_file(saveFname)) return saveFname;
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romfname_ext(saveFname, NULL, ext);
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if (try_ropen_file(saveFname)) return saveFname;
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}
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return NULL;
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}
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}
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return saveFname;
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}
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int emu_check_save_file(int slot)
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{
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return emu_GetSaveFName(1, 0, slot) ? 1 : 0;
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}
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void emu_set_save_cbs(int gz)
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{
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if (gz) {
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areaRead = gzRead2;
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areaWrite = gzWrite2;
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areaEof = (areaeof *) gzeof;
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areaSeek = (areaseek *) gzseek;
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areaClose = (areaclose *) gzclose;
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} else {
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areaRead = (arearw *) fread;
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areaWrite = (arearw *) fwrite;
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areaEof = (areaeof *) feof;
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areaSeek = (areaseek *) fseek;
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areaClose = (areaclose *) fclose;
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}
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}
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int emu_SaveLoadGame(int load, int sram)
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{
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int ret = 0;
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char saveFname[512];
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char *saveFname;
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// make save filename
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romfname_ext(saveFname, "");
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if(sram) strcat(saveFname, (PicoMCD&1) ? ".brm" : ".srm");
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else {
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if(state_slot > 0 && state_slot < 10) sprintf(saveFname, "%s.%i", saveFname, state_slot);
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strcat(saveFname, ".mds");
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saveFname = emu_GetSaveFName(load, sram, state_slot);
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if (saveFname == NULL) {
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strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");
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gettimeofday(¬iceMsgTime, 0);
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return -1;
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}
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printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
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@ -1326,31 +1414,21 @@ int emu_SaveLoadGame(int load, int sram)
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else
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{
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void *PmovFile = NULL;
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// try gzip first
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if(currentConfig.EmuOpt & 8) {
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strcat(saveFname, ".gz");
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if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0) {
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if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
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areaRead = gzRead2;
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areaWrite = gzWrite2;
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areaEof = (areaeof *) gzeof;
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areaSeek = (areaseek *) gzseek;
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emu_set_save_cbs(1);
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if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
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} else
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saveFname[strlen(saveFname)-3] = 0;
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}
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}
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if(!PmovFile) { // gzip failed or was disabled
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else
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{
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if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
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areaRead = (arearw *) fread;
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areaWrite = (arearw *) fwrite;
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areaEof = (areaeof *) feof;
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areaSeek = (areaseek *) fseek;
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emu_set_save_cbs(0);
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}
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}
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if(PmovFile) {
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ret = PmovState(load ? 6 : 5, PmovFile);
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if(areaRead == gzRead2)
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gzclose(PmovFile);
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else fclose ((FILE *) PmovFile);
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areaClose(PmovFile);
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PmovFile = 0;
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if (!load) sync();
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else Pico.m.dirtyPal=1;
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