public Object getValueAt(int row, int column) {
Object res = "";
int memLoc = rowToMemLoc(row);
switch (column) {
case C_ADDRESS:
res = Utils.asHex(memLoc);
break;
case C_VALUE:
res = Utils.asHex(memory.getAt(memLoc));
break;
case C_REGPTRS:
{
String pc, sp, mp;
pc = sp = mp = "";
if (memLoc == registers.getReg(Registers.PC)) pc = " PC";
if (memLoc == registers.getReg(Registers.SP)) sp = " SP";
if (memLoc == registers.getReg(Registers.MP)) mp = " MP";
res = pc + sp + mp;
}
break;
case C_ANNOTE:
MemoryAnnotation ann = memory.getAnnotationAt(memLoc);
res = ann == null ? ColoredText.blankDefault : ann;
break;
}
return res;
}
public void reset() {
if (memory != null) memory.removeMemoryCellListener(this);
if (registers != null) registers.removeMemoryCellListener(this);
memory = machineState.getMemory();
registers = machineState.getRegisters();
memory.addMemoryCellListener(this);
registers.addMemoryCellListener(this);
startAddressOfStack = maxAccessedSP = registers.getReg(Registers.SP);
fireTableChanged(new TableModelEvent(this));
}
public void setValueAt(Object aValue, int row, int column) {
if (column == C_VALUE) {
String strValue = null;
if (aValue instanceof String) strValue = (String) aValue;
else strValue = aValue.toString();
memory.setAt(rowToMemLoc(row), strValue);
}
}