"Rick Barton" <rbarton@[EMAIL PROTECTED]
> wrote in message
news:zEPKd.10790$2e7.1187@[EMAIL PROTECTED]
>I have an interpreter that is modeled after DEC's BASIC Plus which ran on
>RSTS/E. It works rather well, but there are a few things that I'm still
>in need of to recall how they worked.
>
> 1 - SYS() call functions - what parameters and descriptions of how they
> worked.
> 2 - DIM - I seem to recall that dimensions could start not only at 1,
but
> could be changed to start at 0 - I need some examples of how this is
done
> so I can sup****t this.
> 3 - where can I get a manual on this... I'd like to make it complete.
According to the DEC BASIC Plus manual I have (July 1975) all arrays start
at 0.
There's no provision for making them start at 1. The MAT operations (INV,
TRN, *, +, etc.)
don't operate on the zero rows or columns. Have you implemented the MAT
statements?
There's no mention in the manual of a SYS function at all. Perhaps it's
in
the RSTS or Assembly language manuals.
Tom Lake
P.S. I'd still like a copy of the interpreter. I'll see if I can get a
copy of the manual for you.
I got mine on eBay.
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