[Simh] BLISS and C

[Timothe Litt]

On 29-Jan-18 17:45, Dave Wade wrote:
>> -----Original Message-----
>> From: Simh [mailto:simh-bounces at trailing-edge.com] On Behalf Of Bob
>> Eager
>> Sent: 29 January 2018 22:08
>> To: simh at trailing-edge.com
>> Subject: Re: [Simh] BLISS and C
>>
>> On Mon, 29 Jan 2018 12:05:01 -0500
>> Clem Cole <clemc at ccc.com> wrote:
>>
>>> One can argue, why did Ken not just build something more like BCPL
>>> instead of B?  I can not say, maybe the brevity of { } from PL/1 was
>>> more attractive than the Algol BEGIN/END style?
>> BCPL was, in any case, using $( $) and (later) { }. It never used BEGIN/END.
>>
> The "B" compiler I used on the Honeywell L6000/L66 used { }.
>
>> And the major drawback of BCPL (which I love) was that it was word
>> oriented. Most machine architectures were not (OK, PDP-10...) One had to
>> use contortions, and a special % operator, to access bytes efficiently.
>>
> "B" is similar, characters were accessed by functions rather than a special operator, but you can, I think use a combination of shifts and logical operators....
> ... those familiar with BCPL or C who have not encountered B may find the manual here interesting...
>
> https://www.bell-labs.com/usr/dmr/www/bref.html
>
> it would be nice to find a working compiler for a word based machine...

I seem to remember that there was a BCPL for TOPS-10 in the DECUS library.



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