Pascal Programming Cycle - Texas Instruments DS990 General Information Manual

Commercial computer systems
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Configuration
Processor
Nester
Utility
Pascal
Compiler
Configu ration
Processor
Reverse
Assembler
Figure 8. Pascal Programming Cycle
The object license for the Pascal software provides
a complete package including all of the software
components with the exception of the link editor,
which is included with the license for the DXIO
operating system. The DXIO system provides a
powerful multiuser environment for Pascal.
Features of Pascal.
Some of the more significant
features of Pascal include:
• Block-structured format
that directly supports
structured programming concepts (figure 9)
• Stack allocation of variables for each routine
30
• Recursive routines
• U ser-defined data structures that are adaptable to
data used in application
• User-defined data types and type checking
• Excellent bit-manipulation capability.
Comparison with Standard Pascal.
Texas
Instruments version of Pascal is closely compatible
with the standard Pascal as defined by Jensen and
Wirth in their Pascal User Manual and Report.
Major modifications of, and extensions to, the

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