void snes_main_loop() {
if(!romprops.ramsize_bytes)return;
if(initloop) {
saveram_crc_old = calc_sram_crc(SRAM_SAVE_ADDR, romprops.ramsize_bytes);
initloop=0;
}
saveram_crc = calc_sram_crc(SRAM_SAVE_ADDR, romprops.ramsize_bytes);
sram_valid = sram_reliable();
if(crc_valid && sram_valid) {
if(saveram_crc != saveram_crc_old) {
if(samecount) {
diffcount=1;
} else {
diffcount++;
didnotsave++;
}
samecount=0;
}
if(saveram_crc == saveram_crc_old) {
samecount++;
}
if(diffcount>=1 && samecount==5) {
printf("SaveRAM CRC: 0x%04lx; saving\n", saveram_crc);
writeled(1);
save_sram(file_lfn, romprops.ramsize_bytes, SRAM_SAVE_ADDR);
writeled(0);
didnotsave=0;
}
if(didnotsave>50) {
printf("periodic save (sram contents keep changing...)\n");
diffcount=0;
writeled(1);
save_sram(file_lfn, romprops.ramsize_bytes, SRAM_SAVE_ADDR);
didnotsave=0;
writeled(0);
}
saveram_crc_old = saveram_crc;
}
printf("crc=%lx crc_valid=%d sram_valid=%d diffcount=%ld samecount=%ld, didnotsave=%ld\n", saveram_crc, crc_valid, sram_valid, diffcount, samecount, didnotsave);
}
static void genesis_leave() {
if (gensettings.saves & SAVES_SRAM) {
/* save SRAM */
save_sram(sramname);
}
else{
if(WindowPrompt("Save", "Save SRAM?", "Save", "Don't Save")){
save_sram(sramname);
}
}
if (gensettings.saves & SAVES_STATES) {
save_state(statename);
}
else{
if(WindowPrompt("Save", "Save Save State?", "Save", "Don't Save")){
save_state(statename);
}
}
system_shutdown();
// audio_shutdown();
error_shutdown();
free(cart.rom);
}
void prepare_reset() {
snes_reset(1);
delay_ms(1);
if(romprops.ramsize_bytes && fpga_test() == FPGA_TEST_TOKEN) {
writeled(1);
save_sram(file_lfn, romprops.ramsize_bytes, SRAM_SAVE_ADDR);
writeled(0);
}
rdyled(1);
readled(1);
writeled(1);
snes_reset(0);
while(get_snes_reset());
snes_reset(1);
fpga_dspx_reset(1);
delay_ms(200);
}
void save_config(char * path)
{
char tmp[PATH_MAX];
if(!rom_get_loaded())
{
return;
}
else
{
if(rom_has_battery())
{
save_sram(get_sram(), rom_get_info()->ram_size,SramPath);
}
}
memcpy(setting.custom_palette,m_pal16[PAL_CUSTOM_LOCAL], sizeof(word)*3*4);
//__android_log_print(ANDROID_LOG_DEBUG, "org.rin", "path in save_config: %s",path);
int i;
for(i=0; i<sizeof(SETTING); i++){
if ( *((byte*)&setting+i) != *((byte*)&tmpsetting+i) )
break;
}
if (i>=sizeof(SETTING))
return;
jfile fd = jfopen(env_game_thread, path, JF_MODE_NEW | JF_MODE_OVERWRITE | JF_MODE_WRITE, NULL, 0);
if(!fd)
{
return;
}
jfwrite(env_game_thread, fd, &setting, sizeof(setting));
jfclose(env_game_thread, fd);
tmpsetting = setting;
}
int main(int args, char *argv[]) {
char *save_file;
ines_file *nes_rom;
/* Print NOW everything :D */
#ifdef _MSC_VER
setvbuf(stdout,NULL,_IONBF,0);
setvbuf(stderr,NULL,_IONBF,0);
#else
setbuf(stdout,NULL);
setbuf(stderr,NULL);
#endif
/* i18n stuff */
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
/* Parse command line options */
initialize_configuration();
switch ( parse_options(args, argv) ) {
case -1:
usage(stderr,argv);
exit(EXIT_FAILURE);
case 0:
exit(EXIT_SUCCESS);
default:
break;
}
load_user_configuration();
/* Initialize static data */
initialize_palette();
initialize_instruction_set();
initialize_playback();
initialize_apu();
initialize_cpu();
initialize_ppu();
initialize_clock();
initialize_pads();
/* Read the ines file and get all the ROM/VROM */
config.rom_file = argv[optind];
nes_rom = check_ines_file(config.rom_file);
map_rom_memory(nes_rom);
save_file = load_sram(config.rom_file);
/* Init the graphics engine */
init_screen();
init_gui();
/* Main execution loop */
main_loop();
/* After finishing the emulation, save the SRAM if necessary */
save_sram(save_file);
free(save_file);
/* Free all the used resources */
mapper->end_mapper();
end_screen();
end_gui();
end_ppu();
end_cpu();
end_apu();
end_playback();
free_ines_file(nes_rom);
return 0;
}
int main(int _argc, char **_argv) {
int framecount=0;
int sramcount=0;
argc=_argc, argv=_argv;
defaultExceptionHandler();
fifoSendValue32(FIFO_USER_06, (u32)ipc_region);
DS_init(); //DS init.
#ifndef ROM_EMBEDED
active_interface = fatInitDefault(); //init file operations to your external card.
initNiFi();
#endif
EMU_Init(); //emulation init.
irqSet(IRQ_VBLANK, vblankinterrupt);
irqEnable(IRQ_HBLANK);
//fifoSetValue32Handler(FIFO_USER_06, aliveinterrupt, 0);
//fifoSetValue32Handler(FIFO_USER_05, reg4015interrupt, 0);
IPC_ALIVE = 0;
IPC_APUIRQ = 0;
IPC_REG4015 = 0;
consoleinit(); //init subscreen to show chars.
crcinit(); //init the crc table.
//pre-alocate memory....
//IPC_FILES = malloc(MAXFILES * 256 + MAXFILES * 4);
//IPC_ROM = malloc(ROM_MAX_SIZE);
#ifndef ROM_EMBEDED
if(!bootext()) {
//chdir("/");
do_rommenu(); //show a menu selecting rom files.
}
#else
do_romebd();
#endif
//__emuflags |= PALSYNC;
while(1) { // main loop to do the emulation
framecount++;
if(__emuflags & PALTIMING && global_playcount == 0) {
framecount--;
}
if(debuginfo[VBLS]>59) {
debuginfo[VBLS]-=60;
debuginfo[1] = debuginfo[0];
debuginfo[0] = 0;
debuginfo[FPS]=framecount;
framecount=0;
}
scanKeys();
IPC_KEYS = keysCurrent();
//change nsf states
if(__emuflags & NSFFILE) {
static int oldkey = 0;
int keydown = IPC_KEYS & (~oldkey);
oldkey = IPC_KEYS;
if(keydown & KEY_LEFT) {
if(__nsfsongno == 0) {
__nsfsongno = nsfheader.TotalSong-1;
} else {
__nsfsongno--;
}
}
if(keydown & KEY_RIGHT) {
if(++__nsfsongno > nsfheader.TotalSong-1) {
__nsfsongno = 0;
}
}
if(keydown & KEY_UP) {
__nsfplay = 1;
__nsfinit = 1;
}
if(keydown & KEY_DOWN) {
__nsfplay = 0;
Sound_reset();
}
}
do_shortcuts();
if((__emuflags & AUTOSRAM)) {
if(__emuflags & NEEDSRAM) {
sramcount = 1;
__emuflags&=~NEEDSRAM;
}
if(sramcount > 0)
sramcount++;
if(sramcount > 120) { //need auto save for sram.
sramcount = 0;
save_sram();
}
}
touch_update(); // do menu functions.
do_menu(); //do control menu.
do_multi();
if(nifi_stat == 0 || nifi_stat >= 5)
play(); //emulate a frame of the NES game.
else
swiWaitForVBlank();
}
}
int state_save(char* path)
{
size_t size = gb_save_state(NULL);
byte *buf = (byte*)malloc(size);
if (!buf)
{
return 0;
}
gb_save_state(buf);
jfile fd = jfopen(env_game_thread, path, JF_MODE_WRITE | JF_MODE_OVERWRITE | JF_MODE_NEW, NULL, 0);
if(fd)
{
jfwrite(env_game_thread, fd, buf, size);
jfclose(env_game_thread, fd);
}
free(buf);
char tmp[PATH_MAX];
if(rom_has_battery())
{
sprintf(tmp, "%s.sram.gz", RomPath);
save_sram(get_sram(), rom_get_info()->ram_size,tmp);
}
return size;
//char temp[PATH_MAX];
//int ret;
/* if (0)//setting.compress)
{
sprintf(temp,"%s.gz",path);
FILE * fd = fopen(temp, "w");
if (fd<0){
free(buf);
return 0;
}
ret = gzCreate(fd, buf, size);
fclose(fd);
free(buf);
if (!ret)
{
remove(temp);
return 0;
}
}
else
{
FILE * fd = fopen(path, "w");
if (fd<0)
{
free(buf);
return 0;
}
ret = fwrite(buf, size,1 ,fd);
fclose(fd);
free(buf);
if (ret!=1){
remove(path);
return 0;
}else{
//strcat(path, ".gz");
//remove_file(path);
}
return ret;
}*/
}
static void cmd_saveraw(void) {
uint32_t address = parse_unsigned(0,16777216,16);
uint32_t length = parse_unsigned(0,16777216,16);
save_sram((uint8_t*)curchar, length, address);
}