16 Mar
2013
16 Mar
'13
9:25 p.m.
I did find that the latest 4.0 beta version of SIMH *does* work with the
RKLFMT program.
There was a timing issue with the implementation of the RK8E "disk skip"
instruction that caused the problem that I was having, and it was
corrected in the latest 4.0 beta SIMH.
Thanks to Mark Pizzolato for pointing this out to me (via private
Email).
Rick Bensene
normal
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of David Gesswein
Sent: Saturday, March 16, 2013 6:46 PM
To: cctech at classiccmp.org
Subject: Re: SimH, PDP8 OS/8 and RKLFMT hang
On Thu, Mar 14, 2013 at 11:03:47AM -0700, Rick Bensene wrote:
>
> I am wondering if perhaps the SimH emulation of the RK8E is flawed
in
some way such
that the READ ALL and WRITE ALL commands don't work
properly, causing RKLFMT to fail.
SIMH doesn't always implement instructions that are used outside programs. From the not latest version code I looked at
read/write all
are just
mapped to read/write. That may confuse the format
program.