The Simscript II Programming Language
A user's and programmer's manual for SIMSCRIPT II that requires only a basic knowledge of computers and programming language translators (compilers). Sections that are unusually difficult or contain features of limited use are marked with an asterisk. The manual is divided into five chapters, corresponding to five language 'levels.' Level 1 is a teaching language designed to introduce programming concepts to nonprogrammers. Level 2 is a language roughly comparable in power to FORTRAN, but departs from it in specific features. Level 3 is comparable in power to ALGOL or PL/I, but with specific differences, and contains information on the new ALPHA mode for alpha-numeric manipulations, on writing formatted reports, and on internal editing. Level 4 contains the entity-attribute-set features of SIMSCRIPT, which have been up- dated and augmented to provide a more powerful list-processing capability. Level 5, the simulation-oriented part of SIMSCRIPT II, contains statements for time advance, event and activity processing, generation of statistical variates, and accumulation and analysis of simulation-generated data. Two new debugging routines, BEFORE and AFTER, enable the monitoring of six complex processes.
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allowed ALPHA appear Applies ARGUMENTS Array Assigns attribute block braces brackets BUFFER CARD character choice column contain control phrase Converts current input current output DEFINE DESTROY device digit e INTEGER eg INTEGER Entity identifier event notice executed expression expressione INTEGER EXTERNAL EVENTS FIELDS File follow format function GIVEN GIVING HOURS Implementation indicated initial input INTEGER e REAL INTEGER Random sample interval label LAST letter LIBRARY LINES load logical LOOP Marks the beginning MEAN Mode name CALLED Number of current Operation optional ORDER output unit period pointed preamble preceded PRIORITY Programming Language random number stream REAL e REAL Random sample RECORD Remove report section RETURN RIGHT routine SAVED selection separate SIMSCRIPT SIMULATION specified standard Stanford statement SUBPROGRAM subscripts subsequent SUBSTITUTE SUPPRESS symbol TAPE termination TEXT variable transfer Type UNIT unless v a pointer variable YIELDING