ICCOM | Vibepedia

ICCOM, also known as Atari Assembler Editor, is a ROM cartridge-based development system released by Atari, Inc. in 1981. It allows users to edit, assemble, and debug 6502 programs for Atari 8-bit computers. The system was programmed by Kathleen O'Brien of Shepardson Microsystems, the company behind Atari BASIC.