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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 : May 20, 2018

The Mini vMac 36 Alpha Variations Service and corresponding Advanced Variations Service now only takes 10 seconds for the preliminary result, down from 15 last week. (And 20 seconds total, down from 30.)

This was made possible in part by a new compile time option in today’s Mini vMac Development source snapshot. “-svd 0” disables the save dialog for OS X and Windows when exporting a file (as used by the Mini vMac extra ExportFl and other tools). Instead the exported file is saved in a folder named “out” without a dialog, as was previously done in the Linux version. This makes it easier to run Mini vMac in an automated script and get results out.

Another change is that when the recently added “-ef 1” option is used to save errors to a file, the error file will be exported to the real computer, rather than staying in the emulated computer as before. (Unless “-nex” is also used.)

There is also another new option “-no-src 1” to only generate the configuration files and not save the source files. When the options “-cfg 1” and “-all-src 1” are used together, the generated source folder is identical for all variations. So it could save time to not generate it. But it doesn’t seem to be a significant amount of time, so the variation servce is not yet using the “-no-src” option.

Some additional speed was gained in the Alpha Variations Service by using ssh multiplexing.


Previous release notes - Recent News


Thanks to Scott Rickard, Anonymous, Trevor Glahn, Leonid, Chris Hanson, and Henry Shawcross for sponsoring one month of web hosting for the Gryphel project and over 4 days of health insurance.

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