Chapter 3 Program Data - GE PACSystems RX7i Cpu Programmer's Reference Manual

Chapter 3 Program Data

This chapter describes the types of data that can be used in an application program, and explains
how that data is stored in the PACSystems CPU's memory.
Variables
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Reference Memory
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User Reference Size and Default
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Genius Global Data
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Transitions and Overrides
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Retentiveness of Logic and Data
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Data Scope
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System Status References
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How Program Functions Handle Numerical Data
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User Defined Types (UDTs)
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Operands for Instructions
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Word-for-Word Changes
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