case NOT: {
// !addr
if (VmUtils.verifyAssertions()) VmUtils._assert(!isstatic);
final RefItem addr = vstack.popRef();
addr.load(ec);
os.writeNOT(addr.getRegister());
vstack.push(addr);
break;
}
case TOINT: {
if (VmUtils.verifyAssertions()) VmUtils._assert(!isstatic);