[Info-vax] VMS port to x86

[VAXman- at SendSpamHere.ORG]

In article <5819721.328.1332429897519.JavaMail.geo-discussion-forums at vbbfw10>, Bob Gezelter <gezelter at rlgsc.com> writes:
>On Wednesday, March 21, 2012 6:49:21 PM UTC-4, (unknown) wrote:
>> In article <GfGdnWMIE92bq_fSnZ2dnUVZ_jadnZ2d at earthlink.com>, "John Reagan=
>" <johnrreagan at earthlink.net> writes:
>> >
>> >
>> >> I wonder if INSQxIs will work on x86! :D ;)
>> >
>> >I'll have to ask Hoff. :)
>>=20
>> Now it's beginning to all make sense.=20
>>=20
>> --=20
>> VAXman- A Bored Certified VMS Kernel Mode Hacker    VAXman(at)TMESIS(dot)=
>ORG
>>=20
>> Well I speak to machines with the voice of humanity.
>
>VAXman,
>
>I have not worked out the precise sequences, but IMHO the x86 certainly has=
> the ISP (Instruction Set Processor) functionality to implement the INSQxIs=
> instructions.=20
>
>The original VAX implementation in microcode represented a reasonable decis=
>ion reflecting the state of semiconductor technology ala 1977. The tradeoff=
>s are different now, in favor of software implementations. The proof of thi=
>s in any Computer Science text on architecture. All that is REQUIRED for mu=
>ltiprocessor synch is in effect a Test-and-Set (or Fetch-and-Add) primitive=
>.. Everything else can be constructed using that as a base.

Correct Bob, now if only it gets implemented properly unlike the INS/REM-QxIs
on another platform.  :rolleyes:  

-- 
VAXman- A Bored Certified VMS Kernel Mode Hacker    VAXman(at)TMESIS(dot)ORG

Well I speak to machines with the voice of humanity.