> I was reading through some assembly last night trying to get
> Postgres working. I found an instruction that doesn't appear to
> be in the architecture reference.
> 
> Just so I'm clear, what do these instructions do?
> 
> bis $1, $2, $3

$3 <- $1 OR $2  (bitwise OR). AARM,  page (I)4-42.

> or  $4, $5, $6

Same thing; "or" is allowed as a convenience mnemonic for "bis". AARM,
A.4.4.7. 

        - Nathan

PS. I have never seen an example of sectional page "numbering" as bad
as the AARM. "(II-B)3-5"? Who dreams this stuff up?

        - Nathan