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From: moi <findlaybill@blueyonder.co.uk>
Newsgroups: comp.arch
Subject: Re: Why VAX Was the Ultimate CISC and Not RISC
Date: Wed, 12 Mar 2025 00:43:24 +0000
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On 12/03/2025 00:37, MitchAlsup1 wrote:
> On Tue, 11 Mar 2025 19:07:08 +0000, moi wrote:
> 
>> On 11/03/2025 18:15, Stephen Fuld wrote:
>>
>>>
>>> I wonder if the different preferences is at least partially due to
>>> whether the person has a hardware or a software background?  The idea is
>>> that when hardware guys see the instruction, they think in terms of
>>> register ports (read versus write), what is required of the memory
>>> system (somewhat different for loads versus stores), etc.  However
>>> software guys think of a language construct, e.g. X = Y, which is
>>> logically a move.  I don't know if this is right, but I think it is
>>> interesting.
>>
>> No, it is logically a copy.
> 
> But does it copy X into Y or copy Y into X ??

Quite so.
My preference is for:

LD dest source - reads as load dest from source
ST source dest - reads as store source in dest

-- 
Bill F.