public void handler() {
        /*TODO*///    UINT16 t, r;
        /*TODO*///    EXTBYTE(t);
        /*TODO*///    r = B + t + (CC & 0x01);
        /*TODO*///    CLR_HNZVC;
        /*TODO*///    SET_FLAGS8(B, t, r);
        /*TODO*///    SET_H(B, t, r);
        /*TODO*///    B = r;
            throw new UnsupportedOperationException("Unsupported");
        }