Niger withdrew Angola had a walkover
Sierra Leone withdrew Benin had a walkover
Madagascar withdrew Mauritius had a walkover
Congo withdrew Uganda had a walkover
Algeria on away goals rule
Tanzania withdrew Ethiopia had a walkover Mauritius withdrew Zambia had a walkover
Ethiopia on away goals rule
Tunisia withdrew Cameroon had a walkover
Cameroon, Egypt and Morocco qualified.
References
Football at the 1984 Summer Olympics – Men's African Qualifiers Wikipedia(Text) CC BY-SA