edge D Flipflop with Reset and Set port

Switches up to down: Reset /DATA /Set LEDS left to right: D/QBAR/Q R=S=1 cp→↑ then Q=D, of course there is a T delay you will see D and Qbar leds on/off in same time. R=0,S=1,Q=0;R=1,S=0,Q=1;R=S=0,Q=Qbar=1(this maybe not good)!