/***************************************************************
* - createTLocation
*
* Devolve um ponteiro para uma estrutura do tipo t_location
* inicializada, alocada dinamicamente em memoria, que reflecte
* as caracteristicas de um tetramino, recebido como argumento
**************************************************************/
t_location* createTLocation(GameArea *gameArea, tetromino *t) {
t_location *loc = malloc(sizeof(t_location));
int i;
setTLocationHashPos(loc, getTHashPos(t));
setTLocationNumLines(loc, getLineSpan(t));
setTLocationLines(loc, malloc(getLineSpan(t)*sizeof(Line*)));
for(i=0; i<getLineSpan(t); i++) {
getTLocationLines(loc)[i] = getGameLine(gameArea, getPieceLine(t) - i);
setLineT_location(getTLocationLines(loc)[i], loc);
}
return loc;
}
bool
Cartridge::readFromBuffer(const uint8_t *buffer, unsigned length)
{
if ((data = (uint8_t *)malloc(length)) == NULL) {
return false;
}
memcpy(data, buffer, length);
// Scan cartridge header
if (memcmp("C64 CARTRIDGE ", data, 16) != 0) {
fprintf(stderr, "Bad cartridge signature. Expected 'C64 CARTRIDGE ', got ...\n");
printReadable(&data[0], 16);
return false;
}
// Cartridge header size
uint32_t headerSize = HI_HI_LO_LO(data[0x10],data[0x11],data[0x12],data[0x13]);
// Minimum header size is 0x40. Some cartridges show a value of 0x20 which is wrong.
if (headerSize < 0x40) headerSize = 0x40;
fprintf(stderr, "Cartridge: %s\n", getCartridgeName());
fprintf(stderr, " Header: %08X bytes long (normally 0x40)\n", headerSize);
fprintf(stderr, " Type: %d\n", getCartridgeType());
fprintf(stderr, " Game: %d\n", getGameLine());
fprintf(stderr, " Exrom: %d\n", getExromLine());
// Load chip packets
uint8_t *ptr = &data[headerSize];
for (numberOfChips = 0; ptr < data + length; numberOfChips++) {
if (memcmp("CHIP", ptr, 4) != 0) {
fprintf(stderr, "Unexpected data in cartridge, expected 'CHIP'\n");
printReadable(ptr, 4);
return false;
}
// Remember start address of each chip section
chips[numberOfChips] = ptr;
ptr += 0x10;
ptr += getChipSize(numberOfChips);
}
fprintf(stderr, "CRT container imported successfully (%d chips)\n", numberOfChips);
return true;
}
