PGC (Portfolio Graphics Compressed)

PGC is a bi-level image file format used on the Atari Portfolio palmtop computer. It uses RLE compression. The image dimensions are always 240×64 pixels.

Identification
PGC files begin with a 3-byte signature:.

Specification

 * PGCSPEC.ZIP
 * Spec text

Software

 * Konvertor
 * RECOIL
 * XnView
 * http://www.atari-portfolio.co.uk/library/pages/tx-graphics.html

Sample files

 * http://www.atari-portfolio.co.uk/library/pages/tx-pgc-img.html
 * https://telparia.com/fileFormatSamples/image/pgc/