All members are invited to blog on Applefritter. Weblogs should generally be of a technical nature and should be written in such a way as to still be readable and useful 50 years from now. Please do not embed outside media. Images and videos can be uploaded via the Media Browser. Files should either be attached to the blog post or uploaded to the file libraries.

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INFOCOM Spellbreaker

Infocom Printware - Spellbreaker.pdf

WIP: Tape Port Test patterns

Synopsis: an information-capture for work-in-progress

The Apple cassette save routines use the Y register to determine the pulse-width between signal edges, and there are seven distinct values for the Y parameter depending upon the context and state of the save routine.  For the purposes of studying the cassette routines, I named each parameter for its default value and tested their limits:



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