VERSAdos

VERSAdos is an operating system dating back to the early 1980s for use on the Motorola 68000[1] development system called the EXORmacs which featured the VERSAbus and an array of option cards. They were typically connected to CDC Phoenix disk drives running one to four 14-inch platters. The EXORmacs was used to emulate a 680xx processor in-circuit, speeding development of 680xx based systems. It also hosted several compilers and assemblers.

VERSAdos
DeveloperMotorola Microsystems Division
Working stateDiscontinued
Initial release1980s (1980s)
Available inEnglish
PlatformsMotorola 68000
Default
user interface		Command-line interface
LicenseProprietary

VERSAdos and the EXORmacs were produced by Motorola's Microsystems Division.

Overview

VERSAdos was a real-time, multi-user operating system. It was the follow on product to the single user MDOS that ran the 6800 development system called the EXORciser.

Both systems features a harness with a CPU socket compatible connector.

A Modula 2 compiler was ported to VERSAdos.[2]

Commands

The following list of commands and utilities are supported by VERSAdos.[3]

  • ^
  • ACCT
  • ARGUMENTS
  • ASSIGN
  • BACKUP
  • BATCH
  • BSTOP
  • BTERM
  • BUILDS
  • BYE
  • CANCEL
  • CHAIN
  • CLOSE
  • CONFIG
  • CONNECT
  • CONTINUE
  • COPY
  • CREF
  • DATE
  • DEFAULTS
  • DEL
  • DIR
  • DMT
  • DUMP
  • DUMPANAL
  • ELIMINATE
  • EMFGEN
  • END
  • FREE
  • HELP
  • INIT
  • LIB
  • LIST
  • LOAD
  • LOGOFF
  • MBLM
  • MERGEOS
  • MIGR
  • MT
  • NEWS
  • NOARGUMENTS
  • NOVALID
  • OFF
  • OPTION
  • PASS
  • PASSWORD
  • PATCH
  • PROCEED
  • PRTDUMP
  • QUERY
  • R?
  • RENAME
  • REPAIR
  • RETRY
  • SCRATCH
  • SECURE
  • SESSIONS
  • SNAPSHOT
  • SPL
  • SPOOL
  • SRCCOM
  • START
  • STOP
  • SWORD
  • SYSANAL
  • TERMINATE
  • TIME
  • TRANSFER
  • UPLOADS
  • USE
  • VALID

See also

References
  1. Wing Ng, Kam; Tong, Chi Hung; Lee, Hung (November 1984). "A Unix-to-Versados link". Interfaces in Computing. 2 (4): 299–308. doi:10.1016/0252-7308(84)90051-5. ISSN 0252-7308. Versados is a multitasking operating system for the Motorola 68000 microprocessor.
  2. Ballarin, E.; Burkhart, H.; Eigenmann, R.; Kindlimann, H.; Moser, M. (May 1988). "Making a compiler easily portable". IEEE Software. 5 (3): 30–38. doi:10.1109/52.2022. ISSN 0740-7459. S2CID 13883709.
  3. M68000 Family VERSAdos System Facilities Reference Manual
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