[TUHS] boot block in v7 bootable on rp06 in simh

Will Senn will.senn at gmail.com
Sun Dec 6 03:44:47 AEST 2015

On 12/5/15 11:26 AM, Clem Cole wrote:
> On Sat, Dec 5, 2015 at 12:03 PM, Will Senn <will.senn at gmail.com 
> <mailto:will.senn at gmail.com>> wrote:
>     I am unable to boot from the RP06 disk that I installed into the
>     boot block onto via:
>     dd if=/usr/mdec/hpuboot of=/dev/rp0 count=1
> ​Doing this from memory as couple of issues:
> 1.) do an ls -l of /dev/*rp*  you need to use the raw (character) 
> driver not the blocked driver
> 2.) I believe the hp/rp driver is partitioned.   Make sure you use the 
> proper partition.​

I tried it with the raw device and partition 0. Here are the devices and 
my approach:

# ls /dev/*rp*

# /etc/mount /dev/rp3 /usr
# dd if=/usr/mdec/hpuboot of=/dev/rrp0 count=1 conv=sync
0+1 records in
1+0 records out
# dd if=/usr/mdec/hpuboot of=/dev/rrp0 count=1
0+1 records in
0+1 records out

# sync
# sync
# sync

Simulation stopped, PC: 002306 (MOV (SP)+,177776)
sim> q

TERRA:bostic-v7 wsenn$ pdp11 nboot.ini

PDP-11 simulator V4.0-0 Beta        git commit id: 0f43551d

Disabling XQ

Hangs either way!
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