part from cart.lua

cart2.lua

-- tile 3 is an tree, tile 256 is the character
-- NOTE: Update() is executed trough function TIC()
function Update()
 if btnp(0,30,3) then
	 if mget(x+14,y+7) == 2 then
		 sfx(1)
		else
		 y=y-1
			sfx(0)
		end
	elseif btnp(1,30,3) then
	 if mget(x+14,y+-1) == 2 then
		 sfx(1)
		else
		 y=y+1
			sfx(0)
		end
	elseif btnp(2,30,3) then
	 if mget(x+13,y+8) == 2 then
		 sfx(1)
		else
		 x=x-1
			sfx(0)
		end
	elseif btnp(3,30,3) then
	 if mget(x+15,y+8) == 2 then
		 sfx(1)
		else
		 x=x+1
			sfx(0)
		end
	end
end