code:

local buttons = {"A","B","Up","Left","Down","Right"} 
local state = {true,false} 
local keyinput={} 

while true do 
  for key,value in pairs(buttons) do 
    keyinput[value]=state[math.random(2)] 
  end 
  joypad.set(keyinput) 
end

local buttons = {"Start"} 
local state = {true,false} 
local keyinput={} 

while true do 
  for key,value in pairs(buttons) do 
    keyinput[value]=state[math.random(1000)] 
  end 
  joypad.set(keyinput) 
  emu.frameadvance 
end