Re: Nostalgia

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#620788

From: Peter Flass
Date: Thu, 01 Mar 2018 23:15

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Bob Eager <news...@eager.cx> wrote:
> On Thu, 01 Mar 2018 16:42:57 -0600, Charles Richmond wrote:
> 
>> On 2/28/2018 6:33 AM, J. Clarke wrote:
>>> On Wed, 28 Feb 2018 07:20:40 +0000, Andrew Swallow
>>> <am.sw...@btinternet.com> wrote:
>>> 
>>>> On 26/02/2018 06:43, Jorgen Grahn wrote:
>>>>> On Mon, 2018-02-26, Dan Espen wrote:
>>>> {snip}
>>>> 
>>>> 
>>>>>> Putting a comment on every line makes it simpler to read the whole
>>>>>> program as comments.  With highlighting this is an easy way to
>>>>>> quickly absorb a module.
>>>>>> 
>>>>>> Of course the comments may not be 100% right.
>>>>>> 
>>>>>> In the above case, the code still needs a comment but it should be
>>>>>> something like:
>>>>>> 
>>>>>> x=5;		# Max supported fingers
>>>>> 
>>>>> max_supported_fingers=5;  # Nothing more to say
>>>>> 
>>>>> /Jorgen
>>>>> 
>>>>> 
>>>> Nice to have an assembler that supports long variable names.
>>> 
>>> Never saw an assembler that recognized "=" or used the semicolon.  In
>>> the assemblers I've used it's more like "ADDI		X,5"
>>> 
>>> 
>> Some early cross assemblers for the 8-bit micros needed the label
>> terminated with a colon (:).
> 
> Following a decade-old (at least) pattern set by DEC (and others).
> 

Card-oriented assemblers used fixed column layouts. Terminal-oriented
assemblers needed another way  to identify fields. MASM seems to me a
mish-mash; some labels seem to need ":" and some don't, I think
assembly-time constants used "=", as mentioned above. I have never bothered
to try to completely figure out what MASM wants, as long as I can get it to
work.  It's certainly not amenable to a BNF definition.

-- 
Pete

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From: Peter Flass <peter...@yahoo.com>
Newsgroups: alt.folklore.computers
Subject: Re: Nostalgia
Date: Thu, 1 Mar 2018 16:15:43 -0700
Organization: A noiseless patient Spider
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