-- lamps[x][y]

local function setPixel(side, color)
    peripheral.call(side, 'setColor', color)
end

local function clear(map, color)
    for x, sides in pairs(map) do
        for y, side in pairs(sides) do
            setPixel(side, color)
        end
    end
end

local lamps = {
    {
        'glowstone_illuminator_5',
        'glowstone_illuminator_10',
        'glowstone_illuminator_15',
        'glowstone_illuminator_20',
    },
    {
        'glowstone_illuminator_6',
        'glowstone_illuminator_11',
        'glowstone_illuminator_16',
        'glowstone_illuminator_21',
    },
    {
        'glowstone_illuminator_7',
        'glowstone_illuminator_12',
        'glowstone_illuminator_17',
        'glowstone_illuminator_22',
    },
    {
        'glowstone_illuminator_8',
        'glowstone_illuminator_13',
        'glowstone_illuminator_18',
        'glowstone_illuminator_23',
    },
    {
        'glowstone_illuminator_9',
        'glowstone_illuminator_14',
        'glowstone_illuminator_19',
        'glowstone_illuminator_24',
    }
}

local decToBin = {
    [0] = {0, 0, 0, 0},
    [1] = {0, 0, 0, 1},
    [2] = {0, 0, 1, 0},
    [3] = {0, 0, 1, 1},
    [4] = {0, 1, 0, 0},
    [5] = {0, 1, 0, 1},
    [6] = {0, 1, 1, 0},
    [7] = {0, 1, 1, 1},
    [8] = {1, 0, 0, 0},
    [9] = {1, 0, 0, 1},
}


clear(lamps, 0xFF0000)
setPixel(lamps[2][3], 0x00FF00)

while true do
    local time = os.time()

    local h = math.floor(time)
    local m = math.floor((time - h) * 60)

    print(h, '  ', m)

    local digits = {
        math.floor(h / 10) * 10,
        h - math.floor(h / 10) * 10,
        math.floor(m / 10) * 10,
        m - math.floor(m / 10) * 10
    }

    for k, v in pairs(digits) do
        print(k, '  ', v)
    end

    break
end