Hello! André Fachat wrote: > I find it amazing what chip designers sometimes do that really annoy the > programmers or users. And this sometimes even means additional hardware > so it can't be attributed to scarcity of resources (like I guess > clearing interrupt flags by just reading the flags....). That's one thing. But the other thing is, creating such nasty behaviour and *not* documenting it in the datasheet. I consulted 8255 datasheets from several manufacturers and none mentions this. Regards, Michau.Received on 2018-06-10 15:00:04
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