Spectrum 512 formats

Overview
The Spectrum 512 formats are a group of raster image file formats associated with the Spectrum 512 paint program for Atari ST.

Formats:
 * Spectrum 512 Uncompressed (.spu)
 * Spectrum 512 Compressed (.spc)
 * Spectrum 512 Smooshed (.sps)

Software

 * Netpbm (sputoppm, spctoppm)

Resources

 * Atari ST Picture Formats
 * MultimediaWiki article