This article describes several raster graphics formats associated with Spooky Sprites, a graphics editor for Atari Falcon computers. It's not certain that the formats actually originate from Spooky Sprites.
True Colour Sprites (TRS)
A TRS file begins with the ASCII signature "
TCSF". It can contain multiple images.
True Colour Picture (TRP)
A TRP file begins with the ASCII signature "
74 72 75 3f).
Except for the different signature, this format seems to be identical to EggPaint .trp format.
The expected filename extension is .trp, but .tru has also been observed. This is not to be confused with the similar IndyPaint .tru format.
Run length encoded True Colour Picture (TRE)
A TRE file begins with the ASCII signature "
Note that some of the image files are compressed with Pack-Ice.