-- download at MT.QZX.COM (pulse-on-rising-edge-when-enabled.lua)

local o = "c" -- output pulse
local i = "d" -- input signal
local s = "b" -- on/off

if event.type == "on" and pin[s] and pin[i] and not mem.i then
	interrupt(1, "lo")
	port[o] = true
	mem.i = true
elseif event.iid == "lo" then
	port[o] = false
elseif event.type == "off" and mem.i and not pin[i] then
	mem.i = false
end