Re: Question about Class Helpers

Stig Johansen wrote:

I remeber that in a galaxy far far away and a loong time ago, i had the
opportunity to meet and talk to Alfredo Rego.

Damn - Pascal lovers, i suddenly realize, that there is 2 stories, i have
forgotten to mention the last couple of years.

1) The HP3000.
The original MPE (I..V) was written in SPL, somewhat pascal like.
In the 80's introducing RISC, the MPE/XL was 'upgraded' to - yes you got it
- Pascal. (Or should i say ModCal in selected areas).
And we are not only talking basic OS, byt the entire range of subsystems.
Of course that implies that there is no such thing as memory overflow, error
an unexpected error occured.
We could only sit there on the chair - looking out the window - and
wondering:
Who/where the hell is this 'general failure' everybody is talking about.

1) The Stratus/Olivetti/IBM System 88.
These machines were identical. During a visit to the factory (in Boston i
think), the last stage in production was mounting one of these frontcovers.

Bach to the story. This machine was a high availability machine. I'll
emphasize _availability_ here including updating on the fly without
interrupting running processes.

The machine was build around the motorola series, and ours had 68030's on
the main borad(s). I thing it was redundant quad cpuboards.

At the intermidiate HW level, they used 68020's, and at the low level (disk
controllers etc.) they were using 68010's.

Ok, you have guessed where i am going - everything was written in Pascal.
And the beauty part - when (at that time) a 68040 would come, they would
just alter to 68040 -> 68030 -> 68020, *reusing* the very well tested
compiler at the lower levels, and only had to upgrade the 'main' compiler
from 68030 -> 68040.

So the bottom line is, whatever everebody might say, Pascal has a long
*proven* record of (ultra)high quality and useability.

--
Best regards
Stig Johansen
.

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