Call 82: check user memory module map, Call 83: display dh485 port parameters – Rockwell Automation 1771-DB BASIC MODULE User Manual
Page 269

Chapter
Call Routines 69–127
13
13 -11
Use CALL 82 to check the user PROM and display a map of where all the
BASIC programs are stored. Use this routine as an aid for assembly
language programming. With this call you can determine where the empty
space in the memory module is located and how much space is available.
Input and Output Arguments
This routine has no input or output arguments.
Syntax
CALL 82
Example
>CALL 82
8010H –– 805CH ––> ROM 1
805DH –– 80A9H ––> ROM 2
80AAH –– 80F6H ––> ROM 3
80F7H –– FFFFH ––> UNUSED
Use this routine to display the current DH485 port configuration on the
terminal. Enter CALL 83 from the Command mode.
Input and Output Arguments
This routine has no input or output arguments.
Syntax
CALL 83
Return
Example
>CALL 83
19200 BAUD
Host Node Address = O
Module Node Address = 1
Maximum Node Address = 31
CALL 82: Check User
Memory Module Map
CALL 83: Display DH485
Port Parameters