Document Outline

• 1746-RM001A-US-P, BASIC Language Reference Manual
• Important User Information
• Table of Contents
• Preface
  • Who Should Use This Manual
  • Purpose of this Manual
  • How to Use this Manual
  • Terms and Abbreviations
  • Conventions Used in this Manual
  • Rockwell Automation Support
• Language Elements
  • Character Set
  • The BASIC Program Line
• Data Types
  • Data Types
  • Variables
• Expressions and Operators
  • Expressions and Operators
  • Hierarchy of Operators
  • Arithmetic Operators
  • Logical Operators
  • Relational Operators
  • Trigonometric Operators
  • Functional Operators
  • Logarithmic Operators
  • String Operators
  • Special Function Operators
• BASIC Commands
  • BRKPNT
  • CONT
  • Control-C
  • CALL 18 – Re-enable the Control-C Break Function
  • CALL 19 – Disable the Control-C Break Function
  • Control-S
  • Control-Q
  • EDIT
  • ERASE
  • IDLE
  • LIST
  • LIST@
  • LIST#
  • MODE
  • NEW
  • NULL
  • PROG
  • PROG1
  • PROG2
  • RAM
  • REM
  • REN
  • ROM
  • RROM
  • RUN
  • SNGLSTP
  • VER
  • XFER
• Command Line CALLs
  • CALL 73 – Battery-Backed RAM Disable
  • CALL 74 – Battery-Backed RAM Enable
  • CALL 77 – Protected Variable Storage
  • CALL 81 – User Memory Module Check and Description
  • CALL 82 – Check User Memory Module Map
  • CALL 101 – Upload User Memory Module Code to Host
  • CALL 103 – Print PRT1 Output Buffer and Pointer
  • CALL 104 – Print PRT1 Input Buffer and Pointer
  • CALL 109 – Print Argument Stack
  • CALL 110 – Print PRT2 Output Buffer Pointer
  • CALL 111 – Print PRT2 Input Buffer Pointer
• Assignment Functions
  • CLEAR
  • CLEARI
  • CLEARS
  • DATA
  • DIM
  • LET
  • RESTORE
• Control Functions
  • CLOCK1
  • CLOCK0
  • DO-WHILE
  • DO-UNTIL
  • END
  • FOR-TO-(STEP)-NEXT
  • GOTO
  • IF-THEN-ELSE
  • NEXT
  • ON-GOTO
• Execution Control and Interrupt Support Functions
  • CALL 16 – Enable DF1 Packet Interrupt
  • CALL 17 – Disable DF1 Packet Interrupt
  • CALL 20 – Enable Processor Interrupt
  • CALL 21 – Disable Processor Interrupt
  • CALL 26 – Module Interrupt
  • CALL 38 – Expanded ONERR Restart
  • CALL 70 – ROM to RAM Program Transfer
  • CALL 71 – ROM/RAM to ROM Program Transfer
  • CALL 72 – RAM/ROM Return
  • GOSUB
  • ONERR
  • ON-GOSUB
  • ONTIME
  • PUSH
  • POP
  • RETI
  • RETURN
  • STOP
• Math and Backplane Conversion Functions
  • CALL 14 – 16-Bit Signed Integer to BASIC Floating-Point
  • CALL 15 – 16-Bit Unsigned Integer to BASIC Floating-Point
  • CALL 24 – BASIC Floating-Point to 16-Bit Signed Integer
  • CALL 25 – BASIC Floating-Point to 16-Bit Binary
  • CALL 88: BASIC Floating-Point to SLC Floating-Point
  • CALL 89: SLC Floating-Point to BASIC Floating-Point
• Clock/Calendar Functions
  • CALL 40 – Set Clock/ Calendar Time
  • CALL 41 – Set Clock/ Calendar Date
  • CALL 42 – Set Day of Week
  • CALL 43 – Retrieve Date/ Time String
  • CALL 44 – Retrieve Date Numeric
  • CALL 45 – Retrieve Time String
  • CALL 46 – Retrieve Time Numeric
  • CALL 47 – Retrieve Day of Week String
  • CALL 48 – Retrieve Day of Week Numeric
  • CALL 52 – Retrieve Date String
• Status Functions
  • CALL 36 – Get Number of Characters in PRT2 Buffers
  • CALL 51 – Check CPU Output Image Buffer
  • CALL 55 – Check CPU Input Image Buffer
  • CALL 58 – Check M0 File
  • CALL 59 – Check M1 File
  • CALL 75 – Check SLC 500 Controller CPU Status
  • CALL 80 – Check Battery Condition
  • CALL 86 – Check DH485 Interface File Remote Write Status
  • CALL 87 – Check DH485 Interface File Remote Read Status
  • CALL 95 – Get Number of Characters in PRT1 Buffers
  • CALL 97 – Enable Port PRT2 DTR Signal
  • CALL 98 – Disable Port PRT2 DTR Signal
  • CALL 108 – Enable DF1 Driver Communications
  • CALL 113 – Disable DF1 Driver Communications
  • CALL 120 – Clear module Input and Output Buffers
  • CALL 121 – Get SLC Processor Program ID Number
• Output Functions
  • CALL 23 – Transfer Data from the CPU Files to Port 1 or 2
  • CALL 28 – Write to Remote DH485 SLC Data File
  • CALL 29 – Read/Write to a PLC/SLC from the Module Internal String
  • CALL 31 – Display Current PRT2 Port Setup
  • CALL 37 – Clear PRT2 Input/Output Buffers
  • CALL 54 – Transfer BASIC Output Buffer to CPU Input Image
  • CALL 57 – Transfer BASIC Output Buffer to CPU M1 File
  • CALL 85 – Transfer BASIC Output Buffer to DH485 Common Interface File
  • CALL 91 – Write BASIC Output Buffer to Remote DH485 Data File
  • CALL 93 – Write Output Buffer to Remote DH485 Common Interface File
  • CALL 94 – Display Current PRT1 Port Setup
  • CALL 96 – Clear PRT1 Input/Output Buffers
  • CALL 112 – User LED Control
  • CALL 114 – Transmit DF1 Packet
  • CALL 115 – Check DF1 XMIT Status
  • CALL 123 – Write to Remote DF1 PLC Data File
  • PRINT
  • PH0., PH1.
  • ST@
• Input Functions
  • CALL 22 – Transfer Data from Port 1 or 2 to the CPU Files
  • CALL 27 – Read Remote DH485 SLC Data File
  • CALL 29 – Read/Write to a PLC/SLC from the Module Internal String
  • CALL 35 – Get Numeric Input Character from PRT2
  • CALL 53 – Transfer CPU Output Image to BASIC Input Buffer
  • CALL 56 – Transfer CPU M0 File to BASIC Input Buffer
  • CALL 84 – Transfer DH485 Interface File to BASIC Input Buffer
  • CALL 90 – Read Remote DH485 Data File to BASIC Input Buffer
  • CALL 92 – Read Remote DH485 Common Interface File to BASIC Input Buffer
  • CALL 117 – Get DF1 Packet Length
  • CALL 118 – PLC/SLC Unsolicited Writes
  • CALL 122 – Read Remote DF1 PLC Data File
  • GET
  • INPL
  • INPS
  • INPUT
  • LD@
  • READ
• Setup Functions
  • CALL 30 – Set PRT2 Port Parameters
  • CALL 78 – Set Program Port Baud Rate
  • CALL 99 – Reset Print Head Pointer
  • CALL 105 – Reset PRT1 to Default Settings
  • CALL 119 – Reset PRT2 to Default Settings
  • MODE
• String Functions
  • CALL 60 – String Repeat
  • CALL 61 – String Append
  • CALL 62 – Number to String Conversion
  • CALL 63 – String to Number Conversion
  • CALL 64 – Find a String in a String
  • CALL 65 – Replace a String in a String
  • CALL 66 – Insert a String in a String
  • CALL 67 – Delete a String in a String
  • CALL 68 – Find the Length of a String
  • STRING
• Decimal/Hexadecimal/Octal/ASCII Conversion Table
  • Mathematical Conversion Overview
• BASIC Command, Statement, and CALL Quick Reference Guide
  • Mnemonic List Overview
• Index
• Back Cover