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@TECHREPORT{Canty:875282,
      author       = {Canty, Morton John},
      title        = {{E}mulating simula in turbo pascal},
      volume       = {0467},
      number       = {Juel-Spez-0467},
      address      = {Jülich},
      publisher    = {Kernforschungsanlage Jülich GmbH Zentralbibliothek,
                      Verlag},
      reportid     = {FZJ-2020-01916, Juel-Spez-0467},
      series       = {Spezielle Berichte der Kernforschungsanlage Jülich},
      pages        = {13 Bl.},
      year         = {1988},
      abstract     = {Although the computer language SIMULA /1,2/ is now over 20
                      years old it remainsan excellent general purpose programming
                      tool as well as a popular and powerfufsimulation language,
                      the purpose for which it was originally developed. SIMULA
                      isan extension of ALGOL 60, which it contains as a true
                      subset, and its advancedconcepts have served as a model for
                      modern object-oriented languages such asSMALLTALK.The
                      properties which make SIMULA especially suitable for
                      simulation tasks are1. a hierarchic cfass concept with
                      inheritance,2. sophisticated list handfing facilities and3.
                      concurrent programming capability.Of these three, the most
                      essential property to allow for programming of discrete
                      timesimulation tasks is the third one, concurrent
                      programming. By this is meant theability to sustain parallel
                      autonomous entities (called processes or co-routines)
                      inmemory. Allowing an arbitrary number of such processes to
                      interact with each otheralong a time axis forms the basis of
                      SIMULA's model for discrete time simulation.Although
                      virtually all major programming languages have been
                      implemented in oneform or another on personal computers,
                      SIMULA is a notable exception. Perhaps themain reason for
                      this is that, while enjoying great popularity in Europe,
                      SIMULA isnot as well known on the North American continent.
                      Pascal belongs to the sameAlgol famify as SIMULA, and the
                      dialect Turbo Pascal of the firm Borland Internationalhas
                      become one bf the most wide spread high-levef languages for
                      MS-DOSpersonal computers. Unfortunately, neither the
                      ANSI-Pascal specification norTurbo-Pascal in particular
                      allow for concurrent programming.A recent articfe in BYTE by
                      Krishnamoorthy and Agnarsson /3/ presented an extensionto
                      Turbo Pascal 3.0 which enables the creation of parallel
                      processes. In the present report, their extension is
                      modified for the latest version (4.0) ofTurbo Pascal/4/ and
                      integrated into a Turbo Pascal unit (pre-compiled module)
                      which emulatesthe elementary simulation constructs of the
                      SIMULA language. A simple applicationillustrating the use of
                      the unit is provided.},
      cin          = {PRE-2000 ; Retrocat},
      cid          = {I:(DE-Juel1)PRE2000-20140101},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)3 / PUB:(DE-HGF)29},
      url          = {https://juser.fz-juelich.de/record/875282},
}