Realia Spacemaker
From Just Solve the File Format Problem
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== Sample files == | == Sample files == | ||
| − | * {{CdTextfiles|simtel/stmsdos9709/disk1/DISC1/DIRUTL/DATER11.ZIP|DATER11.ZIP}} → DATER.COM | + | * {{CdTextfiles|simtel/stmsdos9709/disk1/DISC1/DIRUTL/DATER11.ZIP|DATER11.ZIP}} → DATER.COM (v1.03 EXE→COM) |
| − | * {{CdTextfiles|pcsig08/101_200/DISK0191/DISK0191.ZIP|DISK0191.ZIP}} → DVED.COM | + | * {{CdTextfiles|pcsig08/101_200/DISK0191/DISK0191.ZIP|DISK0191.ZIP}} → DVED.COM (v1.03 COM→COM) |
| − | * {{CdTextfiles|pdos9606/GAMES/ROLEPLAY/NHPLUS.ZIP|NHPLUS.ZIP}} → GETYN.COM | + | * {{CdTextfiles|pdos9606/GAMES/ROLEPLAY/NHPLUS.ZIP|NHPLUS.ZIP}} → GETYN.COM (v1.03 EXE→COM) |
| + | * [https://archive.org/details/shareware-grab-bag Shareware Grab-Bag] → 090/dutils.arc (v1.06; some EXE→COM, some COM→COM) | ||
| + | * {{CdTextfiles|swextrav1993/disk2/business/ck2.zip|ck2.zip}} → C*.EXE (v1.03) | ||
| + | * {{CdTextfiles|swextrav1993/disk3/prntutil/canset11.zip|canset11.zip}} → *.EXE (v1.06) | ||
* {{DexvertSamples|archive/spaceMakerPacked}} | * {{DexvertSamples|archive/spaceMakerPacked}} | ||
Revision as of 16:18, 2 March 2026
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).
Contents |
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 (v1.03 EXE→COM)
- DISK0191.ZIP → DVED.COM (v1.03 COM→COM)
- NHPLUS.ZIP → GETYN.COM (v1.03 EXE→COM)
- Shareware Grab-Bag → 090/dutils.arc (v1.06; some EXE→COM, some COM→COM)
- ck2.zip → C*.EXE (v1.03)
- canset11.zip → *.EXE (v1.06)
- dexvert samples — archive/spaceMakerPacked
Links
- Realia SpaceMaker, at the OS/2 Museum
- Advertisement in PC Magazine, Jan. 1983, p. 417
