void
emu_load(emu_t *emu, const char *filename)
{
ines_t *nes;
nes = ines_load(filename);
cpu_map(emu->cpu, 0x8000, nes->prg, ines_prg_size(nes) * 1024);
ppu_map(emu->ppu, 0x0000, nes->chr, ines_chr_size(nes) * 1024);
}
int main(int argc, char **argv) {
disnes_cfg_t *cfg = disnes_cfg_init(argc, argv);
FILE *in;
if(NULL == (in = fopen(cfg->rom, "rb"))) {
LOG_ERROR("disnes - cannot open input rom file %s.", cfg->rom);
return 1;
}
// creating output filename from input file
int out_length;
char out_filename[256] = {0};
out_length = snprintf(out_filename, 256, "%s", cfg->rom);
char *end = &out_filename[out_length];
while(end && *(--end) != '.') ;
if(end) {
*end = '\0';
out_length = strlen(out_filename);
}
u_int8_t page[cfg->bank_size];
ines_t header;
// loading header
ines_load(&header, in);
// covering banks
for(bank_no = 0; bank_no < BANK_LIST_SIZE; bank_no++) {
if(!cfg->banks[bank_no])
continue;
// skipping header
fseek(in, 0x10 + (bank_no * cfg->bank_size), SEEK_SET);
// reading one page
fread(page, sizeof(u_int8_t), cfg->bank_size, in);
// loading bank
bank_t *bank = bank_init();
bank_set_start_address(bank, cfg->bank_addr);
bank_load(bank, page, cfg->bank_size);
fprintf_data_t d = {
rom_fprintf,
basename(cfg->rom),
NULL,
NULL
};
snprintf(&out_filename[out_length], 256 - out_length, "_bank_%02X.6502", bank_no);
FILE *out;
LOG_DEBUG("disnes - opening output file %s...", out_filename);
if(NULL == (out = fopen(out_filename, "wt"))) {
LOG_ERROR("disnes - cannot open output file %s.", out_filename);
break;
}
// printing bank disassembled
ines_fprintf(out, &header, &d);
bank_fprintf(out, bank);
fclose(out);
bank_destroy(bank);
}
fclose(in);
disnes_cfg_uinit(cfg);
return 0;
}