Jason,

Yes, I plan to do the iPDS-100 sometime in the future.  I have an iPDS-100 here which Richard Main modified to use 3.5-inch drives. It is in the queue, but behind several MDS I/II machines I am currently working on.

Bill


On 3/6/2018 1:45 PM, Armistead, Jason wrote:
Bill

Have you ever given any thought to emulating the Intel iPDS system running 
ISIS-II ?

They were the white and black portable little brother of the MDS family.  We had one 
once, which we called Big Blue because of its sheer physical size.  Those MDS 
8" floppies were really something.  Going to 5 1/4 inch on the iPDS was so much 
nicer, but man, could those iPDS disk drives make some noise when the disk had an 
error and it did a track 0 recalibration of the heads.  You *KNEW* that you had a 
bad disk !!!  Fun times ...

Jason

-----Original Message-----
From: Simh [mailto:simh-boun...@trailing-edge.com] On Behalf Of Bill Beech 
(NJ7P)
Sent: Tuesday, 6 March 2018 3:37 PM
To: mikestra...@gmail.com; simh@trailing-edge.com
Subject: Re: [Simh] swtp6800-swk.zip

All,

I corrected the SWTP-6800 simulator so it will now boot correctly.  The problem 
with the 'E' command will take more time. I am currently in the middle of 
rewriting the Intel Microprocessor Development Systems (MDS-i and II) 
simulators.

Bill


On 2/22/2018 3:06 AM, Mike Stramba wrote:
Bill,

I downloaded your www.nj7p.org/Computers/work/run-work_v00d.7z

Going by the name of your file :
run_MinGW_SWTP-6800mp-a.bat

..does that mean you are running MingGW ?

I have two machines, one with Win7, the other Ubuntu 14.04 LTS.

On both OS's, after starting the sim, then attempting "D" (boot), I get :

fdccmd: File error
fdccmd: File error

PC=6000 SP=A042 IX=2400 A=05 B=40 CCR=D2 Invalid Opcode, PC: 6000

This is with both
SWTP 6800, V2, MP-A2 CPU Board simulator V4.0-0 Beta        git commit
id: 202e49cf
SWTP 6800, V2, MP-A2 CPU Board simulator V4.0-0 Beta        git commit
id: c4e55d0f

Mike

On 2/21/18, Bill Beech (NJ7P) <n...@nj7p.org> wrote:
Mike,

This is an old build of the simulator and an even older version of
the run-time package.  The current support package is on my web site at:

www.nj7p.org/Computers/work/run-work_v00d.7z

The current version of SIMH is on the GitHub site.

This version logs on as follows:

D:\Development\0GitHub\run\swtp6800>call
..\..\simh-nj7p\BIN\swtp6800mp-a swtp6800mp-a.ini

SWTP 6800, V2, MP-A CPU Board simulator V4.0-0 Beta git commit id:
202e49cf

$

The error with the SIMH "E" command still occurs with this version.
I will look into it when I review the simulators in the next week or so.

Thanks!

Bill
On 2/19/2018 4:56 AM, Mike Stramba wrote:
I'm trying to run
https://urldefense.proofpoint.com/v2/url?u=http-3A__simh.trailing-2D
edge.com_kits_swtp6800-2Dswk.zip&d=DwIGaQ&c=ilBQI1lupc9Y65XwNblLtw&r
=CeQuuq99aEH_1RE1yGnGXY4AbMg6_1cjkYeJjaT-sd4&m=i482CoHQsLAGJrFB3hPvl
mzqewjQFE5faffbdhhHmmE&s=5eTOTsaA1SSyKbwDOI6PLAMMqrOE9o55BPyV6G4R_8E
&e=

swtp6800mp-a2.exe swtp6800mp-a2.ini
SWTP 6800, V2, MP-A2 CPU Board simulator V3.9-0

PC=E1AB SP=0000 IX=0000 A=07 B=00 CCR=D0 Invalid Opcode, PC: E1AB

And .. (never have seen this in any other SIMH emulator)  :
sim> e e1ab
Unit not attached
sim> e -m e1ab
Unit not attached
sim>


--- ---------swtp6800mp-a2.ini  ---

set bootrom 2708
attach bootrom swtbug.bin
set mp-a2 mon, lo_prom
set cpu hex
set cpu itrap
set cpu mtrap
reset
set mp-b2 bd0, bd1, bd2, bd3, bd4, bd5 att dc-40 6800boot.img att
dc-41 6800work1.img set dc-41 rw att dc-42 6800work2.img set dc-42
rw att dc-43 6800work3.img set dc-43 rw g
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