STX

Pasti (or STX) is a floppy disk image format for preserving copy-protected Atari ST disks. The software can also archive regular Atari ST disks.

Identification
STX files begin with bytes  ("RSY")

File Format

 * STX file format description

Software

 * Image creation tool for Atari ST and Windows DLL to decode images

Sample files

 * Union Demo as a Pasti image