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 <no...@alum.mit.edu> wrote: > On 7/24/2016 2:37 PM, Paul Koning wrote: > >> On Jul 24, 2016, at 11:06 AM, william degnan <billdeg...@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 > > -- @ BillDeg: Web: vintagecomputer.net Twitter: @billdeg <https://twitter.com/billdeg> Youtube: @billdeg <https://www.youtube.com/user/billdeg> Unauthorized Bio <http://www.vintagecomputer.net/readme.cfm>