Tiny Stuff

File Format
Name	Tiny Stuff
Ontology	Electronic File Formats Graphics Atari graphics formats Tiny Stuff
Extension(s)	.tny, .tn1, .tn2, .tn3, .tn4

Tiny Stuff is an RLE-compressed image format used on Atari ST computers.

Format

The first byte of the file is a code indicating the image type. Palette color animation is optionally supported.

Code	Dimensions	Colors	Animated	Filename extensions
0	320×200	16	No	.TNY, .TN1
1	640×200	4	No	.TNY, .TN2
2	640×400	2	No	.TNY, .TN3
3	320×200	16	Yes	.TNY, .TN1, unofficially .TN4
4	640×200	4	Yes	.TNY, .TN2, maybe .TN5
5	640×400	2	Yes	.TNY, .TN3, maybe .TN6

Files consist of a 37-byte (if not animated) or 41-byte (if animated) header, followed by a "control" segment and a "data" segment which together form the compressed image data.

Specifications

• Atari ST Graphics Formats File Format Summary, from the Encyclopedia of Graphics File Formats
• ST Picture Formats from AtariForumWiki

Software

• RECOIL
• XnView

Sample files

• http://samples.libav.org/image-samples/atarist/tinystuff/
• ST Library → ST35 (TNY, TN1), CLIP3 (TNY, TN3), ...

Links

• MultimediaWiki article