"Having obtained Citadel 2.10 from CUG through SuperComp, and then having helped upgrade it to Citadel 2.40 using, at various times, a H89 and a Z-100, Citadel-86 for MS-DOS 2.xx was developed in order to ... um. Well, in any case, the first version of Citadel-86 went up on the 8088 side of a Z-100 in the Fall of '84, using MS-DOS 2.13." - Hue Jr.