The Compressor (John Lauro)
From Just Solve the File Format Problem
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* Many .ARC files at [https://archive.org/details/2014.01.www.rtsi.com rtsi.com FTP archive] | * Many .ARC files at [https://archive.org/details/2014.01.www.rtsi.com rtsi.com FTP archive] | ||
** E.g. RSDOS/GRAPHICS/{ASCIIART.ARC, HEADROOM.ARC} | ** E.g. RSDOS/GRAPHICS/{ASCIIART.ARC, HEADROOM.ARC} | ||
+ | * {{DexvertSamples|archive/tcArchive}} | ||
== Links == | == Links == |
Latest revision as of 02:23, 17 February 2025
The Compressor (TC) is an archiving utility and format, apparently for the TRS-80 Color Computer. It was developed by John Lauro.
Archive member files may use RLE compression, or no compression.
Some versions of TC have their own name, such as TC3, TC31, TC12.
Contents[hide] |
[edit] Identification
Files start with byte 0x01
(sequence number), and have 0x01
(format version) at offset 14. There are also other fields that could be checked for sensible values.
[edit] Specifications
- Refer to the UnTC source code for details about the format.
[edit] Software
- The Compressor
- rtsi.com FTP archive → RSDOS/UTIL/...
- TC40.BIN
- TC3.BIN or tc.bin
- TC12.BIN
- tc512k.bin
- TRS-80 Color Computer Archive → Search for "compressor" → ... (disk images)
- rtsi.com FTP archive → RSDOS/UTIL/...
- UnTC, by Tim Koonce (includes source code, and OS-9 binary):
- at Microware OS-9 Archive
- rtsi.com FTP archive → OS9/OS9_6X09/ARCHIVERS/unTC.lzh
- Deark
[edit] Sample files
- Many .ARC files at rtsi.com FTP archive
- E.g. RSDOS/GRAPHICS/{ASCIIART.ARC, HEADROOM.ARC}
- dexvert samples — archive/tcArchive
[edit] Links
- [1] - Has some info.