On Thursday, Feb 26, 2004, at 16:12 US/Pacific, 0xDEADBEEF wrote:

>> Wasn't the 8089 an I/O chip?
>>
>
> The 8089 was a smart DMA Controller which was able to follow programmed
> instruction sequences. So you could see it as a very specialized
> processor.
>
It claimed to be an "IO co-processor" - used the same co-processor hooks
as the (more or less concurrent) 8087, but was focused on doing IO.

BillW

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