Функция квадрата

local com = require('component')
local gpu = com.gpu

gpu.setResolution(14,7)
width, height = gpu.getResolution()

function square(color)
  gpu.fill(1, 1, width, height, ' ')
  gpu.setBackground(color)
-- Для примера
  gpu.fill(3, 2, width-4, height-2, ' ')
  gpu.setBackground(0x000000)
  gpu.set(6,4, "Name")
end