pico-8 cartridge // http://www.pico-8.com
version 37
__lua__
-- maths attacks --
-- by djib --
function _init()
	init_btn_status()
end

function _update()
	update_btn_status(❎)
	update_btn_status(🅾️)
end

function _draw()
	cls()
 print("❎ - pressed:"..tostr(btn_pressed(❎)).." - held:"..tostr(btn_held(❎)),1,1)
 print("🅾️ - pressed:"..tostr(btn_pressed(🅾️)).." - held:"..tostr(btn_held(🅾️)),1,10)
end
-->8
-- buttons --

function init_btn_status()
 -- no repeating delay for keyboard
	poke(0x5f5d,255)
 -- true when pressed 
 btn_down_status={}
 -- true when quickly released
	btn_up_status={}
	-- true when held
 btn_held_status={}
end

function update_btn_status(button)
 -- button was already pressed --
 if btn_down_status[button] then
  -- button was held
 	if btnp(button) then
 		btn_held_status[button]=true
 		btn_down_status[button]=false
 	end
 	-- button no longer pressed
 	if not btn(button) then
 		btn_up_status[button]=true
 		btn_down_status[button]=false
 	end
 else
 	if btnp(button) then
 	 btn_down_status[button]=true
 	end
 	if not btn(button) then
 	 btn_held_status[button]=false
 	 btn_down_status[button]=false
 	 btn_up_status[button]=false
 	end
 end
end

function btn_held(button)
 return btn_held_status[button]
end

function btn_pressed(button)
	return btn_up_status[button]
end
__gfx__
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00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000