Adven-80 was described in the article "Adven-80, An Advanced Adventure Development System", by Peter D. Scargill, from Dr. Dobb's Journal, #61, November 1981.
Source code for Adven-80 by Peter D. Scargill, plus a sample game by Robert W. Rasch. Requires a Z80-based CP/M system or emulator.
Source code, manual and sample game for Adven-80, written by Peter D. Scargill. Requires a Z80-based CP/M system or emulator.