[Simh] panda dist

Rich Alderson simh at alderson.users.panix.com
Wed Apr 5 14:16:59 EDT 2017


> From: Kevin Handy <khandy21yo at gmail.com>
> Date: Wed, 5 Apr 2017 01:31:54 -0600

> Don't know theproperplace to ask ths, so thought I'd ask here.

> Does this indicate aproblem with panda-dist, klh10, ornormal behaviour? I'm
> asking about the "ILLEGAL INSTRUCTION" message. Seems to not have caused
> any problems, but...

> @log operator
> @enable
> $terminal vt100
> $basic
> 
> READY
> 10 PRINT "HELLO"
> 20 END
> LIST
> 
> NONAME.B20
> Wednesday, April 5, 2017 00:17:22
> 
> 00010 PRINT "HELLO"
> 00020 END
> 
> READY
> RUN
> 
> NONAME.B20
> Wednesday, April 5, 2017 00:17:29
> 
> HELLO
> 
> 
> Compile time: 0.004 secs
> Run time: 0.004 secs Elapsed time: 0:00:00
> 
> READY
> SAVE TEST.BAS
> 
> READY
> OLD TEST.BAS
> 
> ? ILLEGAL INSTRUCTION EXECUTED
> ? INTERNAL ERROR AT PC 15636
> ? Proceed at your own risk...
> 
> READY


TOPS-20 on an XKL Toad-2:

!basic

READY
10 print "HELLO"
20 end
list

NONAME.B20
Thursday, April 6, 2017 11:08:35

00010 print "HELLO"
00020 end

READY
run

NONAME.B20
Thursday, April 6, 2017 11:08:41

HELLO


Compile time: 0.025 secs
Run time: 0.037 secs            Elapsed time: 0:00:00

READY
save test.bas

READY
old test.bas

? Illegal memory read
!
!i fo
 => BASIC (1): HALT at 477571; latest error: Reference to non-existent page, 0:00:00.5
       Fork 2: HALT at 477571; latest error: Reference to non-existent page, 0:00:00.0
!


Tops-10 on a DECSYSTEM-2065:

.r basic


READY, FOR HELP TYPE HELP.
10 print "hello"
20 end
list


NONAME        11:09         05-APR-;7



10 print "hello"
20 end

READY
run

NONAME        11:09         05-APR-;7



hello



TIME:  0.02 SECS.

READY
save test.bas

READY
old test.bas

READY


It looks as though it's an issue with the BASIC distributed with TOPS-20,
rather than a KLH10 or Panda distribution problem.  Have you tried it on
a SimH KS-10 (bringing the question back to relevance for this list)?

                                                                Rich

Rich Alderson
Sr. Systems Engineer
Living Computers: Museum + Labs
2245 1st Avenue S
Seattle, WA 98134

http://www.LivingComputers.org/


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