Function logicsim::circuits::sr_latch

pub fn sr_latch<S: Into<String>>(
    g: &mut GateGraphBuilder, 
    s: GateIndex, 
    r: GateIndex, 
    name: S
) -> GateIndex

Returns the Q output of an SR latch.

Example

let s = g.lever("s");
let r = g.lever("r");

let q = sr_latch(&mut g, s.bit(), r.bit(), "latch");
let q_output = g.output1(q, "q");

let ig = &mut g.init();
// With latches, the initial state should be treated as undefined,
// so remember to always reset your latches at the beginning of the simulation.
ig.pulse_lever_stable(r);
assert_eq!(q_output.b0(ig), false);

ig.pulse_lever_stable(s);
assert_eq!(q_output.b0(ig), true);

ig.pulse_lever_stable(r);
assert_eq!(q_output.b0(ig), false);