Just for reference.
Some users in the past have reported to me that 85us was not enough for their keyboard.
I was using some code with precise timed delay (CIA), not by beam counter wait that's imprecise by definition.
They weren't standard keyboards from the Amiga 500 or 1200, I think they were from the Amiga 2000.
And despite 85us being the reference value in HRM, some keyboards need 200us…, so use this value if possible as a minumum.
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