Code SCRIPT.lua de aXMB - PSP

position        = 1
limitInf        = 1
White           = color.new(255,255,255)
DeepSkyBlue     = color.new(0,191,255)
Red             = color.new(255,0,0)
ForestGreen         = color.new(34,139,34)
Black           = color.new(0,0,0)
workDir         = files.list("ms0:/")

function changeMsc()
    Music = Music + 1
    sndObj= sound.load(listMsc[Music])
    sndObj:play()
end

function playMusic()
    if files.ext(workDir[position].name) == "mp3" or files.ext(workDir[position].name) == "wav" then
        if controls.press("cross") then
            sound.play()
        end
        if controls.press("l") then
            changeMsc(-1)
        end
        if controls.press("r") then
            changeMsc(1)
        end
        if controls.press("start") then
            sound.pause()
        end
        if controls.press("square") then
            sound.stop()
            sound.free()
        end
    end
end

function exeBackups()
    if controls.press("cross") and files.ext(workDir[position].name) == "iso" then
        os.runiso(workDir[position].name)
    end
    if controls.press("cross") and files.ext(workDir[position].name) == "cso" then
        os.runiso(workDir[position].name)
    end
end

function options()
    x=15
    y=20
    site=workDir[position].name
    for i= limitInf, #workDir do
        if y >= 0 and y <= 272 then --Esto, hace que solo se imprima entre esas coordenadas
            if position == i then
                screen.print(x,y,files.nopath(workDir[i].name),0.6,Black,White)

                else
                screen.print(x,y,files.nopath(workDir[i].name),0.6,White,0x0)
            end
            y = y+13
            if y >= 260 then y = 277 end --Esto, hace que si supera un limite imprima fuera
        end
    end
end

function navegator()
    if controls.press("down") and position ~= #workDir then
        position = position+1
        if position > 19 then limitInf = limitInf+1 end
    end
    if controls.press("up") and position > 1 then
        position = position-1
        if position > 18 then limitInf = limitInf-1 end
    end
end

function go()
    if workDir[position].directory then
        position = 1
        limitInf = 1
        workDir = files.list(site)
    end
end

function backforward()
    position = 1
    limitInf = 1
    workDir = files.list(files.nofile(files.nofile(site)))
end

while true do
    controls.read()
    playMusic()
    exeBackups()
    navegator()
    draw.gradrect(0,0,480,272,DeepSkyBlue,Red,Black,ForestGreen)
    options()
    if controls.press("cross") then
        go()
    end
    if controls.press("triangle") then
        backforward()
    end
    screen.flip()
end