Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 302)

Chapter
Call Routines 69–127 13
13 -44
Syntax
PUSH operational code
PUSH poll timeout or ACKnowledge timeout
PUSH message retries or ENQuiry retries
PUSH RTS On delay or NAK received retries
PUSH RTS Off delay or NULL value
PUSH BASIC module DF1 address
CALL 108
Example
>1 REM EXAMPLE PROGRAM
>10 PUSH 5 : REM HDMWOCC, ENABLE DPD, BCC ERROR CHECKING
>20 PUSH 200 : REM WAIT 1 SECOND TO BE POLLED BY MASTER
>30 PUSH 2 : REM PERFORM 2 RETRIES
>40 PUSH 4 : REM 20 MS RTS ON DELAY
>50 PUSH 4 : REM 20 MS RTS OFF DELAY
>60 PUSH 10 : REM BASIC MODULE ADDRESS OF 10
>70 CALL 108
>80 END
Use CALL 109 to prints the top 9 values on the argument stack to the
console. Use this information as a troubleshooting aid. It does not affect
the contents of or pointer to the stack.
Input and Output Arguments
This routine has no input or output arguments.
Syntax
CALL 109
Example
>CALL 109
1C9H 00H 00H 00H 00H 00H 00H
1CFH 00H 00H 00H 00H 00H 00H
1D5H 00H 00H 00H 00H 00H 00H
1DBH 13H 04H 00H 00H 00H 7CH
1E1H 14H 42H 11H 96H 00H 83H
1E7H 11H 05H 92H 00H 00H 88H
1EDH 10H 00H 00H 00H 00H 84H
1F3H 20H 00H 00H 00H 00H 82H
1F9H 00H 00H 00H 00H 00H 00H
Argument stack pointer is: 01FEH
CALL 109: Print the
Argument Stack