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the Gryphel Project

The goal of the Gryphel Project is to help preserve software made for early Macintosh computers, the computers that Apple sold from 1984 to 1996 based upon Motorola’s 680x0 microprocessors.

Mini vMac

The center of this project - a family of free and open source emulators that allow such software to be used on modern computers


The rest of this project - software for the early Macintosh, links to alternatives to Mini vMac, links to related forums, lists of books, and more.

Latest News : February 3, 2019

In today’s version of ReAsm, white space is now significant in the syntax of the input, which makes it possible to be closer to other 680x0 assemblers such as the MPW assembler. The “Bra” now supports normal manual size options (like "Bra.B"), in addition to the previous automatic size. Global labels are now disallowed inside a local context defined by “{” and “}”. Also, local labels can be used outside of “{” and “}”, where each global label starts a new local context, which is how the MPW assembler does local labels. String constants now support using a “\” escape mechanism to specify characters that cannot be used directly inside a string constant, like the double quote character.


Previous release notes - Recent News


Thanks to Derek Etnyre, Tim Rodgers, John Feinberg, Lance Lannigan, Japhy Riddle, John Prchal, John Leake, Bronstrup Creative, Bruce Rayne, Ellery Bann, Matthew Tubbs, Thomas Jouneau, Sharon Lam, Macintosh Repository, Randall Trowbridge, Golan Klinger, FUJITA TAKUJI, Richard Lawson, David OConnor, Polycarpos Kostrivas, Bennett Foddy, Chris Hanson and Henry Shawcross for sponsoring three months of web hosting for the Gryphel project and over 23 days of health insurance.

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copyright (c) 2018 Paul C. Pratt