17 Jun
2023
17 Jun
'23
2:19 p.m.
Update: I'm now done with the first pass of this.
I reversed all the programs and successfully ran them through my
compiler (i haven't assembled or linked anything though).
http://squoze.net/B/programs/
To check for correctness, the files should of course be compiled,
assembled and linked again. Unfortunately my compiler currently
does not generate quite the same code as the original one. I will
have to work on this.
Most importantly & and | are only bitwise operators in the version
of B that compiled these programs, but some other differences (like
the fixup chain and the way strings are stored) exist too.
It would be nice to have a fully working B system on v1/v2 UNIX again,
with everything built from source, we can even reconstruct different
versions of the runtime (and perhaps standard library). So far the
PDP-11 version of my B system has only run on v6 and 2.11BSD.
best,
aap
On 14/06/23, Angelo Papenhoff wrote:
I will hopefully continue with this in the next time
(if, goto, mail and
glob are left).