[Simh] Speaking of cards

[Timothe Litt]

Al,

Thanks.  I'll look for them.  I just figured out how to scan and convert 
so the size comes out right, which was non trivial.

I scanned at 100dpi (close to screen resolution), used imagemagick's 
convert -colors 256 in.png out.xpm.  I couldn't get resize or resample 
or any other permutations to produce the right size from higher 
resolution scans.

Anyhow, I've added one pink and one Harvard card.  Do you want the scans 
for your collection?

In one case I had to unpunch a few holes...sorta like the scotch tape I 
used to use with chad  and the duplicator when I was desperate.  But 
easier :-)

I'll add yours and will see if the originator wants to take the changes; 
else I guess it will go to tools of simh.

I also found some detailed reference material on the 029; there's a lot 
to do for a reasonable emulation.  I'd forgotten that they did check 
digits of fields with relay logic!  I'll ping the author (said he wanted 
feedback/suggestions, but that was 10 years ago!).  If he's no longer 
interested, I may play some, or just post the task list to the list and 
see if someone else bites.  In any case, I'm pretty sure I don't have 
the skills to wrap an X-windows image of an arbitrary drum card around a 
cylinder and rotate it while the machine works.

Hopefully I won't spend the night sneezing from all the dust this has 
kicked up.


This communication may not represent my employer's views,
if any, on the matters discussed.

On 27-May-13 14:47, Al Kossow wrote:
> On 5/27/13 7:36 AM, Al Kossow wrote:
>> On 5/27/13 7:14 AM, Timothe Litt wrote:
>>
>>> I have some blank punch cards, I should scan one as it only comes
>>> with some customized images.
>>>
>>
>> I can make a high resolution scan of a buff 5081 if it's needed.
>>
>
> I just uploaded a scan of four different 5081 style cards to
> http://bitsavers.org/pdf/ibm/punchedCard/Card_Scans
>
> it will take an hour or two for it to get out to the mirrors
>
>
>
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