Realia Spacemaker
From Just Solve the File Format Problem
Realia Spacemaker (or just Spacemaker) is an executable compression utility for DOS, developed by Realia. It was possibly the first executable compression utility for DOS to be released.
It compresses COM files (to COM), and EXE files (to EXE or COM).
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Identification
(Only versions 1.03 and 1.06 have been evaluated.)
Compressed COM files apparently start with bytes 9c 55 56 8c cd 83 c5
, and have ASCII "MEMORY$
" at offset 18.
Compressed EXE files apparently have 9c 55 56 8c cd 83 c5
at offset 512, and ASCII "MEMORY$
" at offset 530.
Software
- Spacemaker v1.03
- Spacemaker v1.06:
- ANORMAL's DOSEXE collections → DOSEXE Executable Tools Pack → packers/spacemaker.106-realia.rar
- At Vetusware
Sample files
- DATER11.ZIP → DATER.COM
- DISK0191.ZIP → DVED.COM
- NHPLUS.ZIP → GETYN.COM
Links
- Realia SpaceMaker, at the OS/2 Museum
- Advertisement in PC Magazine, Jan. 1983, p. 417