bool isUnvisited(const std::pair<int, int> & ij) const {
return (0 == getValAt(ij.first * 2, ij.second * 2));
}
void Register::setDerefFromReg(regPair regHexSet, regPair regHexData) {
int memLoc = getValAt(regHexSet); // get memory locaiton
ram->setMem(memLoc, getValAt(getFirstReg(regHexData))); // set low order
ram->setMem(memLoc+1, getValAt(getSecondReg(regHexData))); // set high order
}
void Register::setDerefFromA(regPair regHexSet) {
int memLoc = getValAt(regHexSet); // get memory locaiton
ram->setMem(memLoc, getValAt(A)); // set low order ONLY
}
void Register::setRegFromDeref(regPair regHexSet, regPair regHexData) {
int memLoc = getValAt(regHexData); // get memory loaction
set(getFirstReg(regHexSet), ram->getMem(memLoc)); // set low order
set(getSecondReg(regHexSet), ram->getMem(memLoc+1)); // set high order
}