piano

wire="left"

function Main()

    term.clear()
    term.setCursorPos(1,1)
    print("PIANO! v1.0\nby Jahmaican\n\n| |   |   | | |   |   |   | |   |\n| | w | e | | | t | y | u | |   |\n| |___|___| | |___|___|___| |   |\n| a | s | d | f | g | h | j | k |\n|___|___|___|___|___|___|___|___|\n\n[Press SPACE to exit]")

    Keys()
end

function Keys()
    local event,p1=nil
    event,p1=os.pullEvent("char")
    rs.setBundledOutput(wire,0)
    if p1=="a" then
        Play("c1")
    elseif p1=="s" then
        Play("d")
    elseif p1=="d" then
        Play("e")
    elseif p1=="f" then
        Play("f")
    elseif p1=="g" then
        Play("g")
    elseif p1=="h" then
        Play("a")
    elseif p1=="j" then
        Play("h")
    elseif p1=="k" then
        Play("c2")
    elseif p1=="w" then
        Play("c1#")
    elseif p1=="e" then
        Play("d#")
    elseif p1=="t" then
        Play("f#")
    elseif p1=="y" then
        Play("g#")
    elseif p1=="u" then
        Play("a#")
    elseif p1==" " then
        Exit()
    else
        Keys()
    end
end

function Exit()
    print("Bye!")
    error()
end

function Play(note)
    local output=0
    if note=="c1" then
        output=colors.white
    elseif note=="d" then
        output=colors.orange
    elseif note=="e" then
        output=colors.magenta
    elseif note=="f" then
        output=colors.lightBlue
    elseif note=="g" then
        output=colors.yellow
    elseif note=="a" then
        output=colors.lime
    elseif note=="h" then
        output=colors.pink
    elseif note=="c2" then
        output=colors.gray
    elseif note=="c1#" then
        output=colors.lightGray
    elseif note=="d#" then
        output=colors.cyan
    elseif note=="f#" then
        output=colors.purple
    elseif note=="g#" then
        output=colors.blue
    elseif note=="a#" then
        output=colors.brown
    end
    rs.setBundledOutput(wire,output)

    Keys()
end

Main()