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#27: Graphics Image File Formats

Author: Steve Glass, Eagle Berns, Art Cabral, Pete McDonald & Rilla Reynolds (rev. Matt Deatherage)
Year: 1987

This information is now documented in Apple II File Type Notes, specifically Notes of file types $C0 and $C1.

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Apple II
Technical Notes
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                                                  Developer Technical Support


Apple IIGS
#27:    Graphics Image File Formats

Revised by:    Matt Deatherage                                  November 1988
Written by:    Steve Glass, Eagle Berns, Art Cabral,
               Pete McDonald & Rilla Reynolds                    October 1987

This Technical Note formerly described the file formats for Apple IIGS 
graphics image files.  File formats are now documented in Apple II File Type 
Notes under corresponding file types and auxiliary types:
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File Type $C0
    Auxiliary Type $0000    "PaintWorks" Packed Format
    Auxiliary Type $0001    PackBytes Packed Format
    Auxiliary Type $0002    "Apple Preferred" Packed Format

File Type $C1
    Auxiliary Type $0000    32K unpacked picture image
    Auxiliary Type $0001    Unpacked QuickDraw II picture


Further Reference
o    Apple II File Type Notes