The Ophis assembler is a full-featured cross-assembler for the 6502 family of microprocessors, which is used in the Atari 2600, Commodore 64, Apple II, and Nintendo Entertainment System.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
