# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
#
# COM1 seri port sürücüsü (16550 UART).

PORT = 0x3F8

fonksiyon hazirla():
    port_yaz8(PORT + 1, 0x00)        # UART kesmeleri kapalı
    port_yaz8(PORT + 3, 0x80)        # bölen ayarı (DLAB)
    port_yaz8(PORT + 0, 0x03)        # 38400 baud
    port_yaz8(PORT + 1, 0x00)
    port_yaz8(PORT + 3, 0x03)        # 8 bit, eşliksiz, 1 dur biti
    port_yaz8(PORT + 2, 0xC7)        # FIFO açık
    port_yaz8(PORT + 4, 0x0B)

fonksiyon bayt_yaz(b):
    iken bit_ve(port_oku8(PORT + 5), 0x20) == 0:
        devam
    port_yaz8(PORT, b)

fonksiyon yaz(m):
    i = 0
    iken bayt(m, i) != 0:
        bayt_yaz(bayt(m, i))
        i = i + 1

fonksiyon satir(m):
    yaz(m)
    bayt_yaz(0x0A)