Legionnaire

Legionnaire is a computer game for the Atari 8-bit series created by Chris Crawford in 1982, and released through Avalon Hill. Recreating Julius Caesar's campaigns in a semi-historical setting, the player takes command of the Roman legion in battles against the barbarian. Similar to the earlier groundbreaking Eastern Front (1941) in terms of display and general gameplay, Legionnaire added a real-time computer opponent, and is one of the earliest examples of a real-time tactics (RTT) game. Crawford had written an earlier Legionnaire for the Commodore PET in 1979, his platform before moving to Atari. This was a fairly simple game using character graphics and featuring a limited amount of logic. After writing Eastern Front Crawford was looking for ways to use the new scrolling-map technology introduced in that game, and decided to re-write Legionnaire for the Atari. Like Eastern Front, the Legionnaire playfield consists of a large grid of square cells with various terrain features... full article at wikipedia