Web Reference: The Atari Assembler Editor cartridge was a program used to edit, compile and debug assembly language programs for the Atari 8-bit computers. It was programmed by Kathleen Ann O'Brien of Shepardson Microsystems, Inc., later founding member of OSS, Inc.. Atari Assembler Editor (sometimes written as Atari Assembler/Editor) is a ROM cartridge -based development system released by Atari, Inc. in 1981. It is used to edit, assemble, and debug 6502 programs for Atari 8-bit computers without the need for additional tools and even works without a disk drive or cassette drive (minus the ability to save ... I bought this (along with Star Raiders) about a year after buying one of the first Atari 800's to ever reach New Zealand. My previous 'programming' experience was limited to an HP programmable calculator and 6502 assembly wasn't too hard to progress to.
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Atari Assembler Editor Net Worth 2026: Salary, Income & Wealth Net Worth & Biography

Estimated Worth: $72M - $98M
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Last Updated: April 10, 2026
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