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sram bugfix + savestate refactoring

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@744 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-08-10 14:22:50 +00:00
parent d687ef5041
commit bcc9eda077
6 changed files with 161 additions and 140 deletions
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68
platform/common/emu.c
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@ -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 <pico/pico_int.h>
#include <pico/patch.h>
#include <pico/cd/cue.h>
#include <zlib/zlib.h>
#define STATUS_MSG_TIMEOUT 2000
@ -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:
@ -766,18 +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;
@ -842,23 +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;
@ -929,34 +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;
}