[Simh] Question about special pidp8 simh and ADVENT

Rick Murphy simh at rickmurphy.net
Fri Aug 18 19:53:22 EDT 2017


On 8/17/2017 1:30 PM, B Degnan wrote:
>   Worked fine Rick, thanks.  The OS/8 did not display the opening splash
> screen I normally see with other copies of OS/8 I have but that's not
> important.
>   Bill
.SET SYS INIT

That causes OS/8 to execute INIT.CM on boot. That'll work fine for you 
UNTIL you try to use BUILD to add drivers to OS/8. The normal way to do 
that is to "RUN SYS BUILD", insert and enable drivers, then "BOOT". You 
then "SAVE SYS BUILD" to update BUILD.SV to correspond to the new 
system, but if you have INIT.CM enabled, before you can SAVE that new 
copy of BUILD, it's overwritten in memory by the INIT.CM processing. Oops.
So, I usually turn that off.
     -Rick



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