1977-11-01 /decuslib10-05/01/43,50337/08/simmc1.mac 1977-11-01 /decuslib20-03/01/decus/20-0078/comp/simmc1.mac 1977-11-01 /decuslib20-03/01/decus/20-0078/rts/simmc1.mac 1978-05-08 /decuslib10-05/01/43,50337/09/simmc1.mac