C011 question

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1 total messages Started by "Mike Purtell" Fri, 02 Mar 1990 11:01

#2876

Author: "Mike Purtell"
Date: Fri, 02 Mar 1990 11:01

20 lines
1362 bytes

I have a question about the C011.

I'm using it in Mode 2.

I want to monitor the DataPresent flag in the Input status register.
If notCS is asserted and the flag is cleared, will it become set when data is
ready to be read from the link or does the data need to be ready before
notCS is asserted for the DataPresent flag to be set?
This isn't obvious to me from reading the databook.
I can test it but was hoping someone in the know might save me the time.
And yes, I'm aware of the InputInt output.

Thanks in advance!

------------------------------------------------------------------------------
Mike Purtell                        Bitnet:  f2.mjp@ISUMVS
PO BOX 1519                         Internet:  f2.mjp@MVS1.IASTATE.EDU
Ames, Iowa 50010-1519               Institution:  Iowa State University
USA                                 Birthplace of the first digital computer
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