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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

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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 : July 14, 2019

A new version of ReAsm adds support for more 68020 instructions and addressing modes. It can assemble up to byte 0x29524 of 0x40000 in the Macintosh II ROM, at which point starts the floating point package implementation using the FPU. So the next step is to add support for FPU instructions.

The Alpha FDisasm ROM page has updated formatting information for the PowerBook 100 ROM, which merges in output from the current FindRes tool.

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Previous release notes - Recent News

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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) 2019 Paul C. Pratt