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9basic calls syntax – ProSoft Technology MVI56-BAS User Manual

Page 105

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MVI56-BAS ♦ ControlLogix Platform

BASIC CALLs Syntax

BASIC Module (DB/BAS Compatible)

User Manual

ProSoft Technology, Inc.

Page 105 of 234

December 13, 2011

9

BASIC CALLs Syntax

In This Chapter

Data Conversion CALLs ...................................................................... 106

Backplane CALLs ................................................................................ 113

Serial Port CALLs ................................................................................ 123

Wall Clock CALLs ................................................................................ 137

String CALLs ....................................................................................... 147

DH-485 CALLs .................................................................................... 156

DF1 CALLs .......................................................................................... 171

BASIC Program Flow Control CALLs .................................................. 176

Background CALLs ............................................................................. 185

Miscellaneous CALLs .......................................................................... 196

Most BASIC commands, statements, and operators deal with the pure BASIC

language itself. However, there are many applications which must interface to

real world hardware. The BASIC CALLs perform this hardware interface function.

There are CALLs that specifically interface the MVI56 backplane, the serial ports,

the on-board wall clock, and so on. In addition, there are CALLs that fulfill BASIC

shortcomings such as string manipulation and program flow control. The

following topics describe each CALL in detail.