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Mark Allen is an American software engineer, game programmer and game designer. As a student at the University of California, San Diego, Allen used UCSD Pascal to develop a 6502 interpreter for the Pascal language in 1978, along with Richard Gleaves. This work later became the basis for Apple Pascal in 1979.

Later, Allen developed a number of well-received video games for the Apple II, including Stellar Invaders, Sabotage, and Pest Patrol. Sabotage, in particular, became a classic Apple II game and sparked numerous clones such as Paratrooper. One such clone, Parachute, was preloaded software on early iPods that had displays.

References

1. The UCSD P-System Museum History of the UCSD P-System
2. The Pascal Programming Language The origins of Pascal
3. Kernelthread.com First Bytes Into An Apple
4. Giant List of Classic Game Programmers See Mark Allen's entry
5. Sabotage entry on MobyGames
6. Video play-through of Sabotage on an Apple II
7. Pest Patrol entry on MobyGames
8. Linzmayer, Owen (Fall 1983). "Pest Patrol".

• Living people
• American computer programmers
• University of California, San Diego alumni