Disk Masher System

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File Format
Name Disk Masher System
Ontology
Extension(s) .dms
Wikidata ID Q1228770

DMS (Disk Masher System) is a compressed disk image format used on Amiga computers.

Contents

Compression methods

ID Name Description and remarks
0 No compression
1 Simple RLE
2 Quick RLE {LZ77 with 256-byte window}
3 Medium RLE {LZ77 with 16K window}
4 Deep RLE {LZ77 with adaptive Huffman coding}
5 Heavy1 Like Heavy2, with 4K window
6 Heavy2 {Optional RLE} {LZ77 with static Huffman coding, 8K window (similar to LHA's "lh5" method)}
7–9 Heavy3–5? Reserved?

Identification

Files begin with ASCII characters "DMS!".

Format info

Sample files

Uncompressed (0):

Simple/RLE (1):

Quick (2):

  • FAIRLIGHT 10 YEARS → FAIRLIGHT_10_YEARS.zip → FAIRLIGHT_10_YEA.{BIN,CUE} → FLTAMIGA/FLT1991/BOMBJACK.DMS

Medium (3):

Deep (4):

Heavy1 (5):

Heavy2 (6):

Various:

Software

Links

Personal tools
Namespaces

Variants
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