[Info-vax] New VSI Roadmap (yipee!)

[glen herrmannsfeldt]

Bob Koehler <koehler at eisner.nospam.decuserve.org> wrote:

(snip)

>   For PDP-11 there has always been 32 bit integers native and all the
>   instructions needed to do extended precision integer arithmetic.

For RT-11 Fortran, INTEGER defaulted to 16 bit. (The Fortran standard
requires INTEGER and REAL to be the same size, such that they line up
in COMMON and EQUIVALENCE.)  

If you used INTEGER*4, it would give you a 32 bit variable, but I
seem to remember that it only used the low 16 bits.
 
>   Also, many PDP-11 could be ordered with the commercial instruction
>   set options, which I think includes decimal support as well as COBOL
>   compilers that knew how to use it.

-- glen