JK flip-flops are _edge_triggered_ .... use two, feed normal signals to one and inverted to the other feed the output of that to a "consensus switch" which selects the clock output
maybe something like this.
.-------------------------------------. | | | |~~~| `--|~~\\ --+---|----|J Q|---------------|~~\\ |~~~| |~& )o----|~~\\ | | | _| |~& )o-|S Q|----|__/ |~& )o--- --|-+-+----|K Q|o-. .--|__/ | _| .--|__/ | | |___| | | .--|R Q|o---|~~\\ | | | `--|~~\\ | | |___| |~& )o-' | | |~~~| |~& )o-|------' .--|__/ | `-|>o--|J Q|-----|__/ | | | | _| | | +---|>o--|K Q|o-----------' | | |___| | | | `-----------------------------------------'
view with fixed-pitch font (courier) or paste into notepad etc....