Measurement-computing Analyzer488 Bedienungsanleitung PDF herunterladen (Seite 231)

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101

Section 6 Instrument Simulator

6.21

Parallel Poll Response Pn

The Parallel Poll Response command,

, is used to set the eight-bit parallel poll

returned when the IEEE controller issues a parallel poll command (PPOLL) on the bus.

If Pn is used to change the parallel poll register, it replaces any previous register data.

SYNTAX:

Clear the parallel poll register (default)

Set the Parallel Poll Register to

. (new data

replaces any previous data)

Return Parallel Poll Register contents

EXAMPLES:

PRINT#1,"OUTPUT10;P65X"

set the parallel poll register to 65

PRINT#1,"PPOLL"

parallel poll the bus

INPUT#2,C$

PRINT C$ display shows

PRINT#1,"OUTPUT10;P?X"

request parallel poll register

contents

PRINT#1,"ENTER10"

INPUT#2,C$

PRINT C$ display shows

P065

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