[Simh] Help with loading vax82b zip file into simh/vms

Paul Koning paulkoning at comcast.net
Thu Apr 4 16:21:37 EDT 2019


That looks like standard RMS:VAR records, implied carriage control.  That means: each line is preceded by a 2 byte little endian length, and line ends are not actually in the file but implicit between each line.

	paul

> On Mar 26, 2019, at 5:54 PM, Ron Young <rly1 at embarqmail.com> wrote:
> 
> Hi All:
> 
>   I want to load some programs from the vax82b decus "tape" into my
>   simh/vax/vms 7.3 system. VMS is installed and running.
> 
>   I normally would download the tape image and mount it in simh/vms and
>   copy/restore. Unfortunately, I can't find any tape images for vax82b.
>   There are zip files located on
>   https://eisner.decus.org/repository/master/vms/library/.
> 
>   However when I ftp the files over to vms, the record type is messed up
>   (displays 2 bytes of "garbage" and doesn't see the end of line). Looking
>   at a linux dump of the first couple of lines (shown below).
> 
>   Any ideas on how I can fix this, or where tapes images are located?
> 
>   thanks
>   -ron
> 
> 
> $ od -ao --endian=little apl.v30 | more
> 0000000   , nul soh nul  ht   P   R   O   G   R   A   M  sp  sp  sp  sp
>         000054  000001  050011  047522  051107  046501  020040  020040
> 0000020   a   p   l  sp   !   !   V   e   r  sp   3   .   0   ,  sp   F
> 	 070141  020154  020441  062526  020162  027063  026060  043040
> 0000040   a   l   l  sp   1   9   8   2  sp   D   E   C   U   S  gs nul
>         066141  020154  034461  031070  042040  041505  051525  000035
> 0000060 stx nul   c   +  ht  ht   M   a   i   n  sp   A   P   L  sp   d
>         000002  025543  004411  060515  067151  040440  046120  062040
> 0000100   r   i   v   e   r  sp   p   r   o   g   r   a   m nul eot nul
>         064562  062566  020162  071160  063557  060562  000155  000004
> 0000120 etx nul   c   ;   , nul eot nul   c   ;  ht   I   n   i   t   a
>         000003  035543  000054  000004  035543  044411  064556  060564
> 						      
> ===============================================================================
> Ron Young				rly1 at embarqmail.com
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