Optimized Systems Software OS/A+ Version 1.1; Copyright (C) 1981 OSS, Inc.#

ATR image#

• OSS_OS-A+_1.2e_and_EASMD_1.0.atr

Manual#

• OSS_OS-A+_version_1.1.pdf ; size: 1.2 MB
• OSS OS/A+ version 1.1 May 1981 ; size: 4.9 MB ; thanks to Atarimania! :-)