turtle

term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
bC = colors.red

function button(bText, xA, xB, zA, zB)
  paintutils.drawLine(xA, zA, xB, zB, bC)
  term.setCursorPos(xA+1, zA)
  term.write(bText)
  term.setCursorPos(1, 1)
end

button("Forward", 2, 9, 3, 3)
button("Back", 2, 9, 5, 5)
button("Left", 2, 9, 7, 7)

button("Up", 11, 19, 3, 3)
button("Down", 11, 19, 5, 5)
button("Right", 11, 19, 7, 7)