The same way SCP does it: (dptr->dwidth + CHAR_BIT - 1) / CHAR_BIT
You can just use 7 and 8 for constants, if you prefer. /Bob On 5/30/2010 12:00 PM, [email protected] wrote: > Send Simh mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.trailing-edge.com/mailman/listinfo/simh > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Simh digest..." > > > Today's Topics: > > 1. Simulated disk size (Rob Jarratt) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sat, 29 May 2010 23:41:00 +0100 > From: "Rob Jarratt"<[email protected]> > Subject: [Simh] Simulated disk size > To:<[email protected]> > Message-ID:<01bf01caff80$0615cff0$12416f...@[email protected]> > Content-Type: text/plain; charset="us-ascii" > > I have recently discovered that my difference disk code does not work well > with all simulated disks. I had tested it with the RQ disks in the VAX 780 > emulation. Recently I have had occasion to try the PDP 11 simulation and I > have discovered that my code does not work with RP disks. This is because I > rely on the capac field in the sim_unit structure. From what I can tell this > field is the number of bytes for an RQ disk, but the number of 16-bit words > for an RP. Is there a consistent way for me to discover the size of a > simulated disk in bytes? > > Regards > > Rob > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > http://mailman.trailing-edge.com/pipermail/simh/attachments/20100529/10afb6ba/attachment-0001.html > > ------------------------------ > > _______________________________________________ > Simh mailing list > [email protected] > http://mailman.trailing-edge.com/mailman/listinfo/simh > > End of Simh Digest, Vol 78, Issue 15 > ************************************ > > _______________________________________________ Simh mailing list [email protected] http://mailman.trailing-edge.com/mailman/listinfo/simh
