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PostPosted: Mon Sep 26, 2016 5:53 am 
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Joined: Sun Oct 13, 2013 2:58 pm
Posts: 491
Location: Switzerland
Yes very clever to use only the required number of data Pins to save IO signals. But I normally also have D7 connected to the CPLD to be able to read back status bits and have the N flag set accordingly in one instruction.


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