[TUHS] pdp-11 assembly as a hll?
imp at bsdimp.com
Thu Feb 15 02:56:44 AEST 2018
On Wed, Feb 14, 2018 at 9:03 AM, Paul Winalski <paul.winalski at gmail.com>
> On 2/13/18, Warner Losh <imp at bsdimp.com> wrote:
> > I don't suppose anybody has written a pdp-11 assembler to C translator...
> > My google fu is insufficient for the day.
> Or you could write a compiler that translates PDP-11 assembler to LLVM
> intermediate language. That was the technique used to port VMS to the
> DEC Alpha and Intel Itanium. A lot of VMS was in VAX assembler, so
> DEC's compiler group wrote a compiler that took in VAX assembler and
> generated IL for the GEM back end used by all of DEC's Alpha and
> Itanium compilers.
Yea, I was kinda hoping someone else had already done the translation for
basic. But it actually looks to be from v5, using the v5 calling
conventions and library routines now that I have had a chance to study it.
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