// ----------------------------------------------------------------------------
// Load
// ----------------------------------------------------------------------------
static bool _cartridge_Load(const byte* data, uint size) {
uint index;
if(size <= 128) {
fprintf(stderr,"Cartridge data is invalid.");
//logger_LogError("Cartridge data is invalid.", CARTRIDGE_SOURCE);
return false;
}
cartridge_Release( );
byte header[128] = {0};
for(index = 0; index < 128; index++) {
header[index] = data[index];
}
uint offset = 0;
if(cartridge_HasHeader(header)) {
cartridge_ReadHeader(header);
size -= 128;
offset = 128;
}
else {
cartridge_size = size;
}
cartridge_buffer = (char *) malloc(cartridge_size);
for(index = 0; index < cartridge_size; index++) {
cartridge_buffer[index] = data[index + offset];
}
//strcpy(cartridge_digest,hash_Compute(cartridge_buffer, cartridge_size));
hash_Compute(cartridge_buffer, cartridge_size,cartridge_digest);
return true;
}
bool cartridge_Load_buffer(char* rom_buffer, int rom_size) {
cartridge_Release();
byte* data = (byte *)rom_buffer;
uint size = rom_size;
if(!_cartridge_Load(data, size)) {
return false;
}
strcpy(cartridge_filename ,"");
return true;
}
// ----------------------------------------------------------------------------
// Load
// ----------------------------------------------------------------------------
bool cartridge_Load(const uint8_t* data, uint32_t size)
{
int index;
uint32_t offset = 0;
uint8_t header[128] = {0};
/* Cartridge data is invalid. */
if(size <= 128)
return false;
cartridge_Release( );
for(index = 0; index < 128; index++)
header[index] = data[index];
/* Prosystem doesn't support CC2 hacks. */
if (cartridge_CC2(header))
return false;
if(cartridge_HasHeader(header))
{
cartridge_ReadHeader(header);
size -= 128;
offset = 128;
}
cartridge_size = size;
cartridge_buffer = (uint8_t*)malloc(cartridge_size * sizeof(uint8_t));
for(index = 0; index < cartridge_size; index++)
cartridge_buffer[index] = data[index + offset];
hash_Compute(cartridge_digest, cartridge_buffer, cartridge_size);
return true;
}
// ----------------------------------------------------------------------------
// Load
// ----------------------------------------------------------------------------
bool cartridge_Load(char *filename) {
if(strlen(filename) == 0) {
fprintf(stderr,"Cartridge filename is invalid.");
//logger_LogError("Cartridge filename is invalid.", CARTRIDGE_SOURCE);
return false;
}
cartridge_Release();
//logger_LogInfo("Opening cartridge file " + filename + ".");
byte* data = NULL;
uint size = archive_GetUncompressedFileSize(filename);
if(size == 0) {
int file = open(filename, O_RDONLY | O_BINARY);
if (file < 0) {
fprintf(stderr,"Failed to open the cartridge file %s for reading", filename);
//logger_LogError("Failed to open the cartridge file " + filename + " for reading.", CARTRIDGE_SOURCE);
return false;
}
#if 0
if(lseek(file, 0L, SEEK_END) <0) {
close(file);
//logger_LogError("Failed to find the end of the cartridge file.", CARTRIDGE_SOURCE);
return false;
}
size = ftell(file);
if(lseek(file, 0L, SEEK_SET)<0) {
close(file);
//logger_LogError("Failed to find the size of the cartridge file.", CARTRIDGE_SOURCE);
return false;
}
#endif
struct stat fileStat;
if (stat(filename,&fileStat) < 0) {
fprintf(stderr,"Failed to find the size of the cartridge file.");
//logger_LogError("Failed to find the size of the cartridge file.", CARTRIDGE_SOURCE);
return false;
}
size = fileStat.st_size;
data = (char *) malloc(size);
if( (read(file, (char *) data, size) < 0) /*&& ferror(file)*/) {
close(file);
fprintf(stderr,"Failed to read the cartridge data.");
//logger_LogError("Failed to read the cartridge data.", CARTRIDGE_SOURCE);
cartridge_Release( );
free(data);
return false;
}
close(file);
}
else {
data = (char *) malloc(size);
archive_Uncompress(filename, data, size);
}
if(!_cartridge_Load(data, size)) {
fprintf(stderr,"Failed to load the cartridge data into memory.\n");
//logger_LogError("Failed to load the cartridge data into memory.", CARTRIDGE_SOURCE);
free(data);
return false;
}
if(data != NULL) {
gameCRC = crc32(0, data, size);
free(data);
}
strcpy(cartridge_filename, filename);
return true;
}
