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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 : May 13, 2018

There are changes to the Mini vMac 36 Alpha Variations Service and corresponding Advanced Variations Service. Instead of compiling the requested variation twice, verifying they match, and then presenting the result, it will now compile once, present a preliminary result, and then compile again, verify, and present a final result.

So it now only takes 15 seconds instead of 30 to get to the point of downloading your variation (and you can verify the checksum and signature). Before actually running the variation, you should wait for the download page to update with the final result, which should only take another 15 seconds.

Another change is that the Alpha Variation Service is now reproducible. That is, if you ask for the same options twice, you will get the exact same application archive. (The file name will be different, but the contents are the same.) Previously different variation requests would get applications with different names, like “mvm10280” and “mvm10281”, which made the resulting archives different, even though the compile process was otherwise reproducible. Now all variations get the same name “minivmac”, and the application archives are renamed to something unique as a final step. The Sponsor Code used does not effect the resulting Variation, so two sponsors requesting the same variation will get the same result. (With no Sponsor Code, a demo is created, which is different from the sponsored variation.)

Today’s Mini vMac Development source snapshot has a fix to allow the Alpha Variations Service to report errors correctly. The simplest way to fix it was to remove the option of using “;” to allow multiple variations in one run. The new Alpha Variations Service no longer uses this, it always process one variation at a time, and never in larger batches. (Larger batches would not work properly since all variations now all have the same name.)

Another change is that the build system now will report the name of an unrecognized option in the error message, not just hilighting it, to allow the Advanced Variations Service to work better.

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Previous release notes - Recent News

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Thanks to Herb Mann, Sam Coupe, Michael Cremer, Callum Fraser, Roland Zimmerman, Ian Dunbar, Chris Hanson, and Henry Shawcross for sponsoring one month of web hosting for the Gryphel project and over 6 days of health insurance.

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