/** Resets the stack machine to the state it was in before it started running the stack program */
public void reset() {
this.programCounter = 0;
this.stack.clear();
this.numInstructions = 0;
this.store = new StackValue<?>[STORE_SIZE];
this.inputIndex = 0;
this.output = new ArrayList<StackValue<?>>();
for (int i = 0; i < STORE_SIZE; i++) {
store[i] = new IntStackValue(0);
for (StackMachineListener l : listeners) l.storeChanged(i);
}
for (StackMachineListener l : listeners) l.machineReset();
}
/**
* Set a particular address in store
*
* @param address The address to set
* @param value The value to set the address to
* @throws InvalidAddressException
*/
public void setStore(int address, StackValue<?> value) throws InvalidAddressException {
if (0 <= address && address < STORE_SIZE) {
store[address] = value;
for (StackMachineListener l : listeners) l.storeChanged(address);
} else throw new InvalidAddressException(address, programCounter);
}
