Diddle sketch

Diddle sketch is a graphics format associated with the Diddle sketch application for Palm handheld computers. Images are bi-level, 160×160, uncompressed.

Identification
The ASCII string " " appears at offset 64.

Software

 * Netpbm: ddbugtopbm
 * http://www.palmopensource.com/software/ → diddle-1.23.tar.gz