Disk Masher System
From Just Solve the File Format Problem
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|subcat=Disk Image Formats | |subcat=Disk Image Formats | ||
|extensions={{ext|dms}} | |extensions={{ext|dms}} | ||
+ | |wikidata={{wikidata|Q1228770}} | ||
}} | }} | ||
'''DMS''' ('''Disk Masher System''') is a compressed disk image format used on Amiga computers. | '''DMS''' ('''Disk Masher System''') is a compressed disk image format used on Amiga computers. | ||
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== Sample files == | == Sample files == | ||
− | * | + | Uncompressed (0): |
+ | * [https://archive.org/details/zoom-1 Zoom Volume One] → proclip/TH22A.DMS | ||
+ | |||
+ | Simple/RLE (1): | ||
+ | * [https://archive.org/details/aminet-walnut-creek-1 Aminet CD-ROM #1] → AMINET/DEMO/SOUND/VIBRATIONS_ZNT.DMS | ||
+ | |||
+ | Quick (2): | ||
+ | * [https://archive.org/details/fairlight-10-years FAIRLIGHT 10 YEARS] → FAIRLIGHT_10_YEARS.zip → FAIRLIGHT_10_YEA.{BIN,CUE} → FLTAMIGA/FLT1991/BOMBJACK.DMS | ||
+ | |||
+ | Medium (3): | ||
+ | * [https://archive.org/details/aminet-walnut-creek-1 Aminet CD-ROM #1] → AB20/DEMOS/COMERCIL/KNGHTSFT.DMS | ||
+ | |||
+ | Deep (4): | ||
+ | * [https://archive.org/details/aminet-walnut-creek-1 Aminet CD-ROM #1] → AMINET/DEMO/EURO/ODYSEY92.DMS | ||
+ | |||
+ | Heavy1 (5): | ||
+ | * [https://archive.org/details/utilities-professional-1-1500 Utilities Professional 1-1500 CD-ROM] → 00010250/VAR0128.DMS | ||
+ | |||
+ | Heavy2 (6): | ||
+ | * [https://archive.org/details/aminet-walnut-creek-1 Aminet CD-ROM #1] → AMINET/DEMO/EURO/CMD_TP5B.DMS | ||
+ | |||
+ | Various: | ||
+ | * {{CdTextfilesURL|17b5/files/}} | ||
* https://telparia.com/fileFormatSamples/archive/voyager.dms | * https://telparia.com/fileFormatSamples/archive/voyager.dms | ||
Revision as of 18:33, 17 March 2023
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):
- Zoom Volume One → proclip/TH22A.DMS
Simple/RLE (1):
- Aminet CD-ROM #1 → AMINET/DEMO/SOUND/VIBRATIONS_ZNT.DMS
Quick (2):
- FAIRLIGHT 10 YEARS → FAIRLIGHT_10_YEARS.zip → FAIRLIGHT_10_YEA.{BIN,CUE} → FLTAMIGA/FLT1991/BOMBJACK.DMS
Medium (3):
- Aminet CD-ROM #1 → AB20/DEMOS/COMERCIL/KNGHTSFT.DMS
Deep (4):
- Aminet CD-ROM #1 → AMINET/DEMO/EURO/ODYSEY92.DMS
Heavy1 (5):
- Utilities Professional 1-1500 CD-ROM → 00010250/VAR0128.DMS
Heavy2 (6):
- Aminet CD-ROM #1 → AMINET/DEMO/EURO/CMD_TP5B.DMS
Various:
Software
- xDMS (portable C source, partially public domain)
- dms111 (Original Amiga software)
- Ancient (decompresses to ADF)
- The Unarchiver