From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.senn@gmail.com (Will Senn) Date: Sat, 5 Dec 2015 12:39:36 -0600 Subject: [TUHS] boot block in v7 bootable on rp06 in simh In-Reply-To: <56632679.8060300@gmail.com> References: <566318D0.6080709@gmail.com> <1449338005.9737.64.camel@papa2> <56632679.8060300@gmail.com> Message-ID: <56632F68.9050001@gmail.com> Problem solved - see below. On 12/5/15 12:01 PM, Will Senn wrote: > > On 12/5/15 11:53 AM, Hellwig Geisse wrote: >> Will, >> >> One note of caution: I did not try to build the whole thing >> on a modern 64-bit system; it may well refuse to run. I will >> try to bring it up on my 64-bit Linux box and then report >> back here, if you are interested. >> >> Hellwig >> > Hellwig, > > Much thanks for the explanation and link. I will try your instructions > and see if they still work. Your notes are exceptionally clear, I > expect if I follow them things, will work as expected. I'll let you know. > > Thanks, > > Will Well, you were right, sim didn't want to build 64 bit. However, I already had a working sim, so I simply used the existing pdp11 binary and your instructions. They worked! In the process, I figured out that the original approach that I used worked as well. The issue wasn't with the RP disk, it was with the singular lack of a Boot prompt '@'. There isn't one. After the simulator prints 'Disabling XQ', the boot loader is just sitting there waiting for the user to type 'boot', at which point the loader will print 'Boot' and the ':' prompt will appear, allowing the kernel to be specified: pdp11 tboot.ini PDP-11 simulator V4.0-0 Beta git commit id: 0f43551d Disabling XQ boot Boot : hp(0,0)unix mem = 2020544 # Thanks Hellwig and thanks Cole! Regards, Will