The second half of the article deals with the evolution from a 1964 mainframe game to a simplified version that fit into 4k of FOCAL on a PDP-8, and then to the

The second half of the article deals with the evolution from a 1964 mainframe game to a simplified version that fit into 4k of FOCAL on a PDP-8, and then to the BASIC version found in David Ahl's well-known "BASIC Computer Games" books under the name "Hamurabi" (with one M).