User`s manual

CHAPTER 3 PROGRAMMING REFERENCE

3.4.13. PPOLLC

Purpose:

This command performs a Parallel Poll Configure. In preparation for a parallel poll

command, it enables you to tell a device how to respond to the parallel poll, and on

which data line to respond. In general, it enables you to contfigure a parallel poll

response byte to reflect the response ri of a desired arrangement of devices. You can

define the ~ bits to reflect the responses of particular instruments or the logical-OR of

several instrument responses.

Offset:

PPOLLC%=27

Syntax:

CALL PPOLLC&(ADDR%,CONFIG%) ----BASIC

CALL ABSOLUTE(ADDR%,CONFIG%,PPOLLC%) ----BASIC Compiler

Parameter:

ADDR% - The address of the device to be configured. If 0 i <= addr <= 30,

then the specified device is configured. Otherwise, the previous-

ly defined s listener(s) are configured.

CONFIG% - An integer sent to configure the specified device indicating how

and which data line to respond.

Bit 3 2 1 0

Indicates line 0-7 (DI01-8)

0 : Responds with 0

1 : Responds with 1

Bit 4-15 : Not used.