Software Library: Apple (WOZ Format)

This is a set of emulated Apple II programs, including Games, Educational Software, Utilities and Applications. Emulated in the browser using The Emularity, it allows for one-click access to the original programs.

These floppy disks are imaged using the .WOZ format, which is designed to capture the full range of Apple II disk data, including copy protection efforts. From, the reference specification:

Why yet another Apple II disk image format?

This is probably the question many of you reading this document are asking. It basically comes down to the simple fact that none of the currently existing formats accurately represent the way data is encoded on an Apple II floppy disk. There is a place for a format that is an accurate representation of a bitstream that is also the exact length of a track so that it can be looped correctly. And since we are creating a format, it is also a great time to ensure that we organize the data in the image file in a way that allows for easy unpacking with as little memory and processing overhead as possible - this provides more performance usage in hardware and software emulators.

What benefits come with using the WOZ format?

We seem to be doing just fine with the current file formats, why would we want to support the WOZ format? The big benefit is being able to successfully run copy protected software if you follow the emulation guidelines presented in this document. The second benefit is that the WOZ format is actually much simpler to implement than many of the other disk image formats. WOZ files also contain metadata about the disk image - such as disk name, product name, publisher, system requirements and language - that you can use to display additional information in your emulator.

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Collection Info

Addeddate: 2018-05-31 05:47:02

Collection: softwarelibrary_apple
softwarelibrary
software

Identifier: softwarelibrary_apple_woz

Mediatype: collection

Publicdate: 2018-05-31 05:47:02

Title: Software Library: Apple (WOZ Format)

Created on

May 31
2018

Jason Scott
Archivist

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Sketch the Cow
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