memory map for RT-11 v 5

william degnan billdegnan at gmail.com
Mon Jul 25 15:34:12 CDT 2016


Is there a place where one can get RT11 disks for RL02?  I only have rt-11
5.3 and even with 64K I can't get my system to boot.  Everything so far
checks out, I am at a loss to determine the cause of the problem.  In simh
I can boot 5.3 on a PDP 11/20 emulated with 32K.  It must be my system but
I don't know what's wrong.  Diagnostics don't fail, or I can't get anything
clearly wrong.  I can load in programs from papertape just fine.
Bill

On Mon, Jul 25, 2016 at 1:17 AM, Don North <north at alum.mit.edu> wrote:

> On 7/24/2016 2:37 PM, Paul Koning wrote:
>
>> On Jul 24, 2016, at 11:06 AM, william degnan <billdegnan at gmail.com>
>>> wrote:
>>>
>>> ...
>>>> Attempts to boot from RT11SJ.SYS under V04.00 of RT-11 with 24K
>>>> bytes of memory were successful.  Attempts to boot with 16K bytes of
>>>> memory were also successful.  An RK05 was used as the disk drive.  The
>>>> error message "Insufficient memory" is displayed, but some useful work
>>>> might be done with just 16K bytes of memory. However, you did not
>>>> ask if useful work being done was one of the criteria?
>>>>
>>> FWIW, I used to run RT11SJ on an 11/20 with 8 kW (16 kB) of memory and
>> RC11 system disk, in college.  That fit with no trouble, enough room to run
>> RT BASIC and a reasonably application program.
>>
>>         paul
>>
>>
>> And it still works today:
>
> PDP-11 simulator V4.0-0 Beta        git commit id: 4065f47f
> sim> set cpu 11/05 16k
> sim> sho cpu
> CPU     11/05, idle disabled, autoconfiguration enabled
>         16KB
> sim> att rk0 rt11.dsk
> sim> boot rk0
>
> RT-11SJ    V02C-02
>
> .
> .R PIP
> */L
>
> DTMNSJ.SYS   46 27-NOV-75
> DTMNFB.SYS   58 27-NOV-75
> DP    .SYS    2 27-NOV-75
> RK    .SYS    2 27-NOV-75
> RF    .SYS    2 27-NOV-75
> TT    .SYS    2 27-NOV-75
> LP    .SYS    2 27-NOV-75
> BA    .SYS    7 27-NOV-75
> SYSMAC.SML   18 27-NOV-75
> SYSMAC.8K    25 27-NOV-75
> BATCH .SAV   25 27-NOV-75
> EDIT  .SAV   19 27-NOV-75
> MACRO .SAV   31 27-NOV-75
> ASEMBL.SAV   21 27-NOV-75
> EXPAND.SAV   12 27-NOV-75
> CREF  .SAV    5 27-NOV-75
> LINK  .SAV   25 27-NOV-75
> PIP   .SAV   14 27-NOV-75
> PATCH .SAV    5 27-NOV-75
> ODT   .OBJ    9 27-NOV-75
> VTHDLR.OBJ    8 27-NOV-75
> DEMOFG.MAC    5 27-NOV-75
> DEMOBG.MAC    4 27-NOV-75
> KB    .MAC   33 27-NOV-75
> LIBR  .SAV   15 27-NOV-75
> MONITR.SYS   46 27-NOV-75
> RKMNFB.SYS   58 27-NOV-75
> RFMNSJ.SYS   46 27-NOV-75
> RFMNFB.SYS   58 27-NOV-75
> DPMNSJ.SYS   46 27-NOV-75
> DPMNFB.SYS   58 27-NOV-75
> DXMNSJ.SYS   46 27-NOV-75
> DXMNFB.SYS   58 27-NOV-75
> DT    .SYS    2 27-NOV-75
> DX    .SYS    2 27-NOV-75
> CR    .SYS    3 27-NOV-75
> MT    .SYS    6 27-NOV-75
> MM    .SYS    6 27-NOV-75
> PR    .SYS    2 27-NOV-75
> PP    .SYS    2 27-NOV-75
> CT    .SYS    5 27-NOV-75
> DS    .SYS    2 27-NOV-75
> FILEX .SAV   11 27-NOV-75
> SRCCOM.SAV   11 27-NOV-75
> DUMP  .SAV    5 27-NOV-75
> PATCHO.SAV   33 27-NOV-75
> VTMAC .MAC    7 27-NOV-75
> SYSF4 .OBJ   33 27-NOV-75
> BASIC .SAV   36
> BAS8K .SAV   34
> DEMO  .BAS    3
> 51 FILES, 1014 BLOCKS
> 3760 FREE BLOCKS
> *
> .
> .R BAS8K
>
> BASIC V01B-02
> *
>
> READY
>
> OLD
> OLD FILE NAME--DEMO
>
> READY
>
> LIST
>
> DEMO       BASIC V01B-02
>
> 10 REM BASIC PROGRAM TO GENERATE N TERMS OF A FIBONACCI SERIES,
> 20 REM THE FIRST TWO TERMS OF WHICH ARE SPECIFIED BY THE USER.
> 30 REM
> 40 REM PRINT IDENTIFYING MESSAGE
> 50 PRINT "PROGRAM TO GENERATE A FIBONACCI SERIES"
> 60 REM
> 70 REM GET THE LENGTH AND FIRST TWO TERMS OF THE SERIES
> 80 PRINT "HOW MANY TERMS DO YOU WANT GENERATED";
> 90 INPUT L
> 100 IF L<>0 THEN 130
> 110 REM IF HE REQUESTS 0 TERMS,TERMINATE EXECUTION
> 120 STOP
> 130 PRINT "WHAT IS THE FIRST TERM";
> 140 INPUT T1
> 150 PRINT "WHAT IS THE SECOND TERM";
> 160 INPUT T2
> 170 REM MAKE SURE L IS NOT NEGATIVE OR TOO LARGE
> 180 IF L<3 THEN 200
> 190 IF L<50 THEN 220
> 200 PRINT L;"TERMS DOES NOT REALLY MAKE SENSE."
> 210 GO TO 80
> 220 REM PRINT THE FIRST TWO TERMS OF THE SERIES
> 230 PRINT "THE REQUESTED SERIES IS"
> 240 PRINT T1
> 250 PRINT T2
> 260 L=L-2
> 270 REM CALCULATE NEXT TERM AND PRINT IT
> 280 N=T1+T2
> 290 T1=T2
> 300 T2=N
> 310 PRINT N
> 320 REM DETERMINE IF SERIES IS FINISHED. IF SO,DO NEXT ONE.
> 330 L=L-1
> 340 IF L<=0 THEN 80
> 350 GO TO 280
> 360 END
>
> READY
>
> RUN
>
> DEMO       BASIC V01B-02
>
> PROGRAM TO GENERATE A FIBONACCI SERIES
> HOW MANY TERMS DO YOU WANT GENERATED?4
> WHAT IS THE FIRST TERM?12
> WHAT IS THE SECOND TERM?5
> THE REQUESTED SERIES IS
>  12
>  5
>  17
>  22
> HOW MANY TERMS DO YOU WANT GENERATED?0
>
> STOP AT LINE 120
>
> READY
>
>


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