/** Updates the debugger display. */
public void update() {
memoryAddressValue = longTo16BitInt(memoryAddress.getState());
for (int i = 0; i < NUMBER_BREAKPOINTS; i++) {
breakpointValues.set(i, longTo16BitInt(breakpoints[i].getState()));
}
cpu.setPC(longTo16BitInt(programCounter.getState()));
log.fine("Debugger display updated");
}
/**
* Creates a new debugger hardware object.
*
* @param cpu the CPU object
*/
public DebuggerHardware(final Intel8080A cpu) {
log.fine("New DebuggerHardware creation started");
this.cpu = cpu;
memoryAddress.addChangeListener(new UpdateMemoryDump());
for (int i = 0; i < NUMBER_MEMORY_DATA; i++) {
memoryData[i] = new SiSDBlock(blockModel, 2, false, false);
}
for (int i = 0; i < NUMBER_BREAKPOINTS; i++) {
breakpoints[i] = new SiSDBlock(blockModel, 4, false, true);
breakpointValues.add(0xffff);
}
lookUpBCButton.addMouseListener(new LookUpBC());
lookUpDEButton.addMouseListener(new LookUpDE());
lookUpHLButton.addMouseListener(new LookUpHL());
lookUpSPButton.addMouseListener(new LookUpSP());
programCounter.addChangeListener(new UpdateDisassembly());
log.fine("New DebuggerHardware created");
}
/** Activates the debugger display. */
public void activate() {
memoryAddress.setState(memoryAddressValue);
memoryAddress.fireStateChanged();
registerA.setState(cpu.getA());
registerBC.setState(cpu.getBC());
registerDE.setState(cpu.getDE());
registerHL.setState(cpu.getHL());
registerSP.setState(cpu.getSP());
ledS.setState(cpu.isSF());
ledZ.setState(cpu.isZF());
ledAC.setState(cpu.isACF());
ledP.setState(cpu.isPF());
ledCY.setState(cpu.isCF());
ledIE.setState(cpu.isIE());
for (int i = 0; i < NUMBER_BREAKPOINTS; i++) {
breakpoints[i].setState((long) breakpointValues.get(i));
}
programCounter.setState(cpu.getPC());
programCounter.fireStateChanged();
log.fine("Debugger display activated");
}
// auxiliary look-up method
private void lookUp(final SiSDBlock block) {
if (!block.isBlank()) {
memoryAddress.setState(block.getState());
memoryAddress.fireStateChanged();
}
}
/** Deactivates (blanks) the debugger display. */
public void deactivate() {
memoryAddress.setBlank();
for (SiSDBlock block : memoryData) {
block.setBlank();
}
registerA.setBlank();
registerBC.setBlank();
registerDE.setBlank();
registerHL.setBlank();
registerSP.setBlank();
ledS.setState(false);
ledZ.setState(false);
ledAC.setState(false);
ledP.setState(false);
ledCY.setState(false);
ledIE.setState(false);
for (SiSDBlock block : breakpoints) {
block.setBlank();
}
programCounter.setBlank();
instructionDisplay.setState(Application.getString(this, "running"));
log.fine("Debugger display deactivated");
}