[Info-vax] x86 Update 4/22/19

[Arne Vajhøj]

On 4/27/2019 8:01 AM, Bill Gunshannon wrote:
> On 4/26/19 10:19 PM, Michael Moroney wrote:
>> Dave Froble <davef at tsoft-inc.com> writes:
>>>> My understanding is that it does both co-routines (modifies saved 
>>>> return addresses
>>>> on the VAX stack) and JSBs that return condition codes.  Both of 
>>>> these are not
>>>> supported by the Macro compiler.
>> ...
>>> Docha just hate "too smart" programmers?
>>
>> oh, the stories I could tell from my last job...dealing with about 
>> 150,000+ lines of
>> ancient VAX Macro, with loads of "too smart" programmers using every 
>> trick in the
>> book over the years, including a co-routine instance...
>>
> 
> There was a time when programmers actually gave consideration
> to size and efficiency and bloat was not the desired result.
> Resources were not what most today are used to.  I was once
> asked to program an LSI-11 because my co-workers all said it
> was impossible to do anything useful with only 28KWords of
> memory.

Yes.

But given that ECC RAM today is about 6 dollars per GB, then
it is difficult to justify spending days/weeks on reducing
memory consumption.

Arne