Research and Advances

Requirements for real-time languages

Real-time languages have different requirements from other programming languages because of the special nature of their applications, the environment in which their object programs are executed and the environment in which they may be compiled. It may not be the language extensions that ultimately advance developments in the field. Progress may be made by attacking the special compiling and executing system problems that must be solved.

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Research and Advances

Variable width stacks

Character addressable, variable field computers permit ready establishment and manipulation of variable width stacks. Single machine commands may push variable field items down into such stacks or pop them up. The availability of a variety of field delimiters allows the machine to push down or pop up more than one variable width item with one command. Since these stacking operations can be made the basis of compiler decoding algorithms, the proper use of machines of this class for compilation has advantages over machines with fixed-length words.

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