On Sun, May 18, 2014 at 12:49:45AM -0700, Casey Ransberger wrote:
> Original context mercilessly scrubbed for brevity. 
> 
> I've *always* wanted to play with punched cards. Never ran across a machine that read them, though. Then I saw this thread...
> 
> Okay so in the last week I had an itch to emulate something. I was thinking 6502, and spent a bit of time reading up on the architecture, but I haven't written any code yet, which leads me to...
> 
> Did anyone ever do the 1401 emulator?
>

I don't think that it has been done in Squeak, but if you google around for
1401 emulators you will find lots of interest in the topic. Here is some good
inspiration:

  http://www.computerhistory.org/atchm/restoring-the-ibm-1401/

And speaking of inspiration, the idea of visualizing a running computer is
nicely illustrated in the UI for Bert's SqueakJS:

  http://bertfreudenberg.github.io/SqueakJS/

Dave