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March 2005, Week 5

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Subject:
Re: SPL Help
From:
Jeff Kell <[log in to unmask]>
Reply To:
Jeff Kell <[log in to unmask]>
Date:
Tue, 29 Mar 2005 23:33:33 -0500
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Bruce Toback wrote:
> On Mar 29, 2005, at 6:02 PM, Stan Sieler wrote:
>
>> There are at least five basic uses of condition codes in SPL:
>
> Also, the I/O instructions:
>
>    CCE - Success
>    CCL - Non-responding device
>    CCG - Device not ready
>
> and LLSH:
>
>    CCE - Found target
>    CCG - Found sentinel
>    CCL - Ran off end of list
>
> And I wish that knowledge were still worth something.

Also TSBC and TRBC (Test and [Re]Set Bit and Condition-code), the
original semaphore mechanism.

Jeff

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