PDP-11
The PDP-11 was sufficiently popular that many unauthorized PDP-11-compatible minicomputers and microcomputers were produced in Eastern Bloc countries. At least some of these were pin-compatible with DEC's PDP-11s and could share peripherals and system software. These include:
- SM-4, SM-1420, SM-1600, Elektronika BK series, Elektronika 60, Elektronika 85, DVK and UKNC (in the Soviet Union)
- SM-4, SM-1420, IZOT-1016 and peripherals (in Bulgaria).
- SM-1420 (in East Germany)
- Mera (in Poland)
- SM-4 (in Hungary)
- Independent and Coral (in Romania)
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Operating systems
Several operating systems were available for the PDP-11
From Digital:
From third parties:
- ANDOS
- MK-DOS
- MONECS
- CSI-DOS
- TRIPOS
- MUMPS
- Unix (many versions, including Version 7 Unix, UNIX System III, and 2BSD)
- DEMOS (Soviet Union)
- TSX-Plus
- Fuzzball
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See also
- SIMH (A multiple minicomputer architecture emulator written in portable C.)
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Notes
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References
- pdp11 processor handbook - pdp11/05/10/35/40, Digital Equipment Corporation, 1973
- pdp11 processor handbook - pdp11/04/34a/44/60/70, Digital Equipment Corporation, 1979
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Further reading
- Eckhouse, jr., Richard H. (1979). Microcomputer Systems Organization, Programming and Applications (PDP-11). Englewood Cliffs, New Jersey: Prentice-Hall. ISBN 0-13-583914-9.
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External links
- The PDP-11 FAQ
- Preserving the PDP-11 Series of 16-bit minicomputers
- Gordon Bell and Bill Strecker's 1975 paper, What We Learned From the PDP-11
- Further papers and links on Gordon Bell's site.
- The Fuzzball
- On LSI-11, RT-11, Megabytes of Memory and Modula-2/VRS by Günter Dotzel, ModulaWare.com - An article on Modula-2 compiler/linker synergy to overcome the PDP/LSI-11 address space limitations, published in DEC PROFESSIONAL, The Magazine for DEC Users, Professional Press, Spring House, PA. U.S.A., January 1986.
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