public Object getValueAt(int rowIndex, int columnIndex) {
MemoryCell cell = rows.get(rowIndex);
if (columnIndex == 0) return new Integer(cell.getAddress());
else if (columnIndex == 1)
return new Value(memory.normalizeEndianness((int) cell.getValue().getValue(), cell.length()));
else if (columnIndex == 2) {
String label = ((Datum) cell).valueAsLabel();
return label != null ? label : "";
} else if (columnIndex == 3) return new LabelString(cell.getAddress(), cell.getLabel());
else if (columnIndex == 4) return cell.getComment();
else throw new AssertionError();
}
public void checkpoint() {
for (MemoryCell c : rows) c.checkpointValue();
}
public void restoreFromCheckpoint() {
for (MemoryCell c : rows) c.restoreValueFromCheckpoint();
}
public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
if (rowIndex < getRowCount()) {
MemoryCell cell = rows.get(rowIndex);
assert cell != null;
if (columnIndex == 1) {
int v = memory.normalizeEndianness(((Value) aValue).toNumber(), cell.length());
Byte b[] = new Byte[cell.length()];
for (int i = b.length - 1; i >= 0; i--) {
b[i] = (byte) v;
v >>= 8;
}
boolean changed = false;
for (int i = 0; i < b.length; i++)
if ((Byte) memory.getValueAt(cell.getAddress() + i, 1) != b[i]) {
changed = true;
break;
}
if (changed) {
memory.addUndo(
new UndoChange(
String.format("Value Change at 0x%x\n", cell.getAddress()),
rowIndex,
0,
UndoChangeType.VALUE));
memory.setValueAtByUser(b, cell.getAddress(), 1);
}
} else if (columnIndex == 3) {
String newValue = ((LabelString) aValue).toString().trim();
if (!newValue.equals(cell.getLabel())) {
memory.addUndo(
new UndoChange(
String.format("Label Change at 0x%x\n", cell.getAddress()),
rowIndex,
2,
UndoChangeType.LABEL));
cell.setLabel(newValue);
memory.setChanged(true);
}
} else if (columnIndex == 4) {
String newValue = ((String) aValue).trim();
if (!newValue.equals(cell.getComment())) {
memory.addUndo(
new UndoChange(
String.format("Comment Change at 0x%x\n", cell.getAddress()),
rowIndex,
3,
UndoChangeType.COMMENT));
cell.setComment(newValue);
memory.setChanged(true);
}
} else throw new AssertionError();
}
}
