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DiskCopy 6.1.3 is able to decompress them. This can be easily verified at Infinite Mac - that link will open a vintage Mac emulator in the browser with the above-mentioned CD automatically mounted. Disk Copy can be found in the emulator's mounted volume "Infinite HD" under the folder "Utilities". Launch that app, and use its menu item "Image > Convert Image" to select one of the DART images in "Tech I.S. 3.0 / Apple Software Library / Apple II Software". Saving the converted file to the "Outside World / Uploads" folder will cause the web browser to download the result as an uncompressed .po file, which of course CiderPress is able to view with no problem.
The text was updated successfully, but these errors were encountered:
I don't know if the format was documented outside Apple. archive.org is currently in a bad way, so no help there for the moment.
Update: John Morris confirmed the lack of published documentation, and said he had to reverse-engineer it for the Applesauce tool. He noted:
From what I remember, the structure was fairly straightforward except for the sector data being grouped into chunks of up to 20960 bytes. Figuring out the "best" compression level drove me nuts for quite a while. The "better" compression is just an RLE.
(Very low priority)
CiderPress II v1.0.4 is unable to parse or decompress the files found inside Apple II Software - Apple TIS 3.0 1992.zip. They are disk images in the DART format. (This zip file is an excerpt from the Apple Technical Information Source CD (Tech I. S. 3.0) - September 1992 which also contains the vintage DART 1.5.1 software that presumably generated them.)
DiskCopy 6.1.3 is able to decompress them. This can be easily verified at Infinite Mac - that link will open a vintage Mac emulator in the browser with the above-mentioned CD automatically mounted. Disk Copy can be found in the emulator's mounted volume "Infinite HD" under the folder "Utilities". Launch that app, and use its menu item "Image > Convert Image" to select one of the DART images in "Tech I.S. 3.0 / Apple Software Library / Apple II Software". Saving the converted file to the "Outside World / Uploads" folder will cause the web browser to download the result as an uncompressed .po file, which of course CiderPress is able to view with no problem.
The text was updated successfully, but these errors were encountered: