Timur Tabi <[email protected]> writes:
> Andreas Schwab wrote:
>> Timur Tabi <[email protected]> writes:
>>
>>> The CPU shift operation, yes. I'm talking about shift operations on
>>> external memory-mapped devices.
>>
>> That is a property of how the device is wired to the bus. The cpu will
>> always put a value of 128 on the bus such that D7 = 1 and D0-D6 = 0.
>
> Yes, but is D7 on the left or on the right?
On the bus there is no left or right. There is only D7 and D0.
> that there's no macro that will tell how the lines from the CPU to
> external memory are mapped.
This is always the same.
Andreas.
--
Andreas Schwab, SuSE Labs, [email protected]
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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