Re: [Simh] Pascal for RT-11

[Clem Cole]

On Sat, Feb 6, 2016 at 4:02 PM, Will Senn  wrote:

> A partial answer to my own question (still curious about other
> implementations that are available) and a few followups:


​OMSI (aka Oregon Software) Pascal was the best of the Pascal
implementations for the PDP-11 for production use.  The UCB Pascal (that
Ken Thompson originally wrote and Bill Joy et al hacked on over the years)
is very good​ too - but it was really a teaching compiler and not for
"real" programs.

Clem
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Re: [Simh] Pascal for RT-11

[Will Senn]

On 2/6/16 9:37 AM, Will Senn wrote:

Hi,

Does anyone know where to find a working SimH compatible image of a Pascal for 
RT-11?

Thanks,

Will

Sent from my iPhone
A partial answer to my own question (still curious about other 
implementations that are available) and a few followups:


There's an RK05 image of OMSI Pascal v2.1 on bitsavers:
http://bitsavers.trailing-edge.com/bits/DEC/pdp11/discimages/rk05/omsiPascal2.1.dsk.gz

Download it and unzip it.

Then in SimH:
att rk0 omsiPascal2.1.dsk

and in RT-11v53:
.dir rk:

CONVRS.PAS37  07-Mar-85  CSICON.PAS 2 07-Mar-85
CSITYP.PAS 3  07-Mar-85  CSIPRO.PAS 6 07-Mar-85
FIXARG.PAS 5  07-Mar-85  FIXINC.PAS 4 07-Mar-85
FIXOUT.PAS 4  07-Mar-85  CNVNUM.PAS 4 07-Mar-85
SYMDCL.PAS13  07-Mar-85  SYMCOD.PAS17 07-Mar-85
GETCS .PAS20  07-Mar-85  PROSE .PAS   205 07-Mar-85
PASMAC.MAC39  07-Mar-85  XREF  .PAS37 07-Mar-85
PROCRE.PAS92  07-Mar-85  STRING.PAS24 07-Mar-85
PASMAT.PAS   194  07-Mar-85  PB.PAS77 07-Mar-85
LIBDEF.PAS14  07-Mar-85  OPERRO.PAS12 07-Mar-85
UERROR.PAS 4  07-Mar-85  SAYERR.PAS11 07-Mar-85
SJ.SAV   397  07-Mar-85  RTPAGE.COM 1 07-Mar-85
XM.SAV   474  07-Mar-85  XMPAGE.COM 1 07-Mar-85
LIBFPP.OBJ   315  07-Mar-85  START .OBJ 1 07-Mar-85
UTILS .SJ  1  07-Mar-85  UTILS .XM  2 07-Mar-85
LIBFIS.OBJ   333  07-Mar-85  LIBEIS.OBJ   338 07-Mar-85
LIBSIM.OBJ   353  07-Mar-85  VIRJOB.OBJ 1 07-Mar-85
EXTRAC.COM 3  07-Mar-85  XMDBG .COM 2 07-Mar-85
SJDBG .COM 2  07-Mar-85
 37 Files, 3048 Blocks
 1714 Free blocks

It looks like there are only 2 versions SJ and XM, so you need to boot 
the right monitor:

. copy/boot dk0:rt11xm.sys dk0:
.boot dk0

I'm sure there's a better way to install the distribution than to copy 
it over to the system disk, but I just copied everything over (if 
someone knows how it ought to be done, please let me know):

.copy rk0:*.* dk0:

Then to compile and link a pascal file such as this:
program adder(input,output);

var x,y,z : real;

begin
read(x,y);
z := x + y;
writeln(' inputs and answer: ');
writeln(x, y, z)
end.

.xm adder.pas
.link adder,libfpp

Anyway, it "works" for this program. However, if I try to compile 
PROSE.PAS, which came with the distribution, I get:

.xm prose.pas

PASCAL--I/O error at user PC= 62626B
Attempt to write past end of file
I/O error code= -48 in file: DK:TEMP2.TMP

in SJ monitor, same error, different PC:
PASCAL--I/O error at user PC= 43014B
Attempt to write past end of file
I/O error code= -48 in file: DK:TEMP2.TMP

A dir on dk shows that the disk isn't full:
 289 Files, 8511 Blocks
 11871 Free blocks

Does anyone know:
0. What the error means.
1. The proper install method.
2. The location of a OMSI Pascal 2.1 Manual.
3. How to know it's 2.1 and not another version in disguise.

Thanks,

Will

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[Simh] Pascal for RT-11

[Will Senn]

Hi,

Does anyone know where to find a working SimH compatible image of a Pascal for 
RT-11?

Thanks,

Will

Sent from my iPhone
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