private fun draw(g2d: Graphics2D) {
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON)
    g2d.setStroke(stroke)
    g2d.setFont(fonts)
    var y = 16
    for (i in 0..memory.size() - 1) {
        g2d.setColor(normalColor)
        g2d.drawRoundRect(16, y, 64, 32, 8, 8)
        val name = memory[i].name
        g2d.drawString(name, 96, y + 20)
        val value = memory[i].value
        if (value is PointerValue) {
            g2d.setColor(pointerColor)
            val address = value.referenced.address
            val top = if (address < i) address else i
            val bottom = address + i - top
            val extent = (bottom - top) * 48
            g2d.drawArc(80 - extent / 2, top * 48 + 32, extent, extent, 270, 180)
            g2d.drawLine(48, y + 16, 80, y + 16)
            val ay = 48 * address + 32
            g2d.drawLine(80, ay, 88, ay - 8)
            g2d.drawLine(80, ay, 88, ay + 8)
        } else {
            g2d.drawString(value.show(), 32, y + 20)
        }
        y += 32 + 16
    }
}