int log_init()
{
historyline_t *line;
if(logfd) {
printf("log_init: already initialized\n");
return(0);
}
//clear the string
memset(logfilename,0,MAX_PATH);
//parse the log path
config_get_eval_string(logfilename,"path.user");
//append the path seperator
str_appendchar(logfilename,PATH_SEPERATOR);
//append the bios filename
strcat(logfilename,LOGFILENAME);
//try to open
if((logfd = fopen(logfilename,"wt")) == 0) {
strcpy(logfilename,LOGFILENAME);
if((logfd = fopen(LOGFILENAME,"wt")) == 0) {
printf("log_init: error opening log file '%s'\n",logfilename);
return(1);
}
}
//catch up the log file with lines that weren't added
line = history.lines;
while(line->next) {
line = line->next;
}
while(line) {
fputs(line->str,logfd);
line = line->prev;
}
fflush(logfd);
history_clear(&history);
log_printf("log_init: log initialized. nesemu2 v"VERSION"\n");
log_printf("log_init: log filename is '%s'.\n",logfilename);
return(0);
}
int genie_load()
{
char biosfile[1024];
//if the rom isnt loaded, we need to do that now
if(genierom == 0) {
//clear the string
memset(biosfile,0,1024);
//parse the bios path
config_get_eval_string(biosfile,"path.bios");
//append the path seperator
str_appendchar(biosfile,PATH_SEPERATOR);
//append the bios filename
strcat(biosfile,config_get_string("nes.gamegenie.bios"));
//try to load bios from the bios directory
if(genie_loadrom(biosfile) != 0) {
//see if bios is in the current directory
if(genie_loadrom(config_get_string("nes.gamegenie.bios")) != 0) {
return(1);
}
}
//register the save state stuff
state_register(B_GG,genie_state);
}
//load in the genie mapper
nes->mapper = &mapperB_GENIE;
return(0);
}
int cart_load_nsf(cart_t *ret,memfile_t *file)
{
int n = 0;
char biosfile[1024];
u32 size;
u32 loadaddr;
u8 nobankswitch[8 + 8] = {0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7};
//clear the string
memset(biosfile,0,1024);
//parse the bios path
config_get_eval_string(biosfile,"path.bios");
//append the path seperator
str_appendchar(biosfile,PATH_SEPERATOR);
//append the bios filename
strcat(biosfile,"nsfbios.bin");
//try to load bios from the bios directory
if(loadbios(ret,biosfile) != 0) {
//see if bios is in the current directory
if(loadbios(ret,"nsfbios.bin") != 0) {
return(1);
}
}
//get length of file
size = memfile_size(file);
//discount for the header
size -= 0x80;
if(memfile_read(ret->data,1,0x80,file) != 0x80) {
log_printf("cart_load_nsf: error reading header from '%s'\n",file->filename);
n = 1;
}
else {
loadaddr = ret->data[8] | (ret->data[9] << 8);
//if the nsf doesnt use bankswitching
if(memcmp((u8*)ret->data + 0x70,(u8*)nobankswitch,8) == 0) {
memcpy((u8*)ret->data + 0x70,(u8*)nobankswitch + 8,8);
ret->prg.size = (u32)size + (loadaddr & 0x7FFF);
ret->prg.data = (u8*)mem_alloc(ret->prg.size);
memset(ret->prg.data,0,ret->prg.size);
memfile_read(ret->prg.data + (loadaddr & 0x7FFF),1,size,file);
}
//else the nsf is bankswitched
else {
ret->prg.size = (u32)size + (loadaddr & 0xFFF);
ret->prg.data = (u8*)mem_alloc(ret->prg.size);
memset(ret->prg.data,0,ret->prg.size);
memfile_read(ret->prg.data + (loadaddr & 0xFFF),1,size,file);
}
//setup mapper
ret->mapperid = B_NSF;
log_printf("cart_load_nsf: nsf v%d loaded, %d bytes (padded to %d), %d songs.\n",ret->data[5],size,ret->prg.size,ret->data[6]);
log_printf("init $%04X, play $%04X\n",ret->data[0xA] | (ret->data[0xB] << 8),ret->data[0xC] | (ret->data[0xD] << 8));
}
return(n);
}
int cart_load_fds(cart_t *ret,memfile_t *file)
{
u8 header[16];
u32 size;
char biosfile[1024];
//clear the string
memset(biosfile,0,1024);
//parse the bios path
config_get_eval_string(biosfile,"path.bios");
//append the path seperator
str_appendchar(biosfile,PATH_SEPERATOR);
//append the bios filename
strcat(biosfile,config_get_string("nes.fds.bios"));
//try to load bios from the bios directory
if(loadbios(ret,biosfile) != 0) {
//see if bios is in the current directory
if(loadbios(ret,config_get_string("nes.fds.bios")) != 0) {
return(1);
}
}
//get length of file
size = memfile_size(file);
//read the header
memfile_read(header,1,16,file);
//check if this is raw fds disk
if(memcmp(header,fdsident2,15) == 0) {
//check if the file is a valid size
if((size % 65500) != 0) {
log_printf("cart_load_fds: fds disk image size not multiple of 65500, aborting\n");
return(1);
}
//set number of disk sides
// ret->disksides = size / 65500;
//skip back to the beginning
memfile_rewind(file);
}
//check if this is 16-byte header fds disk
else if(memcmp(header,fdsident,4) == 0) {
//set number of disk sides
// ret->disksides = header[4];
size -= 16;
}
//set mapper id to fds mapper
ret->mapperid = B_FDS;
//setup the disk data pointers
ret->disk.size = size;
ret->disk.data = (u8*)mem_alloc(size);
ret->diskoriginal.size = size;
ret->diskoriginal.data = (u8*)mem_alloc(size);
//read disk data into pointer
memfile_read(ret->disk.data,1,size,file);
//copy to original disk data pointer
memcpy(ret->diskoriginal.data,ret->disk.data,size);
log_printf("cart_load_fds: loaded disk, %d sides (%d bytes)\n",ret->disk.size / 65500,size);
return(0);
}