private void registerHiresDirtyFlag(RAMEvent e) {
int row = hiresRowLookup[e.getAddress() & 0x01fff];
if (row < 0 || row >= 192) {
return;
}
VideoWriter mark = (e.getAddress() < 0x04000) ? hiresPage1 : hiresPage2;
mark.markDirty(row);
}
private void registerTextDirtyFlag(RAMEvent e) {
int row = textRowLookup[e.getAddress() & 0x03ff];
if (row > 23) {
return;
}
VideoWriter tmark = (e.getAddress() < 0x0800) ? textPage1 : textPage2;
row <<= 3;
int yy = row + 8;
for (int y = row; y < yy; y++) {
tmark.markDirty(y);
}
}