/** Loads the given program file (HACK or ASM) into the ROM. */
public synchronized void loadProgram(String fileName) throws ProgramException {
short[] program = null;
if (displayChanges) ((ROMGUI) gui).showMessage("Loading...");
try {
program =
HackAssemblerTranslator.loadProgram(
fileName, Definitions.ROM_SIZE, HackAssemblerTranslator.NOP);
mem = program;
if (displayChanges) {
gui.setContents(mem);
((ROMGUI) gui).setProgram(fileName);
((ROMGUI) gui).hideMessage();
gui.hideHighlight();
}
notifyProgramListeners(ProgramEvent.LOAD, fileName);
} catch (AssemblerException ae) {
if (displayChanges) ((ROMGUI) gui).hideMessage();
throw new ProgramException(ae.getMessage());
}
}
/** Called when the contents of the memory are changed through the memory gui. */
public void valueChanged(ComputerPartEvent event) {
short newValue = event.getValue();
int newAddress = event.getIndex();
clearErrorListeners();
try {
HackAssemblerTranslator.getInstance().codeToText(newValue);
setValueAt(newAddress, newValue, true);
} catch (AssemblerException ae) {
notifyErrorListeners("Illegal instruction");
quietUpdateGUI(newAddress, mem[newAddress]);
}
}