simh simulation speed

From: Vintage Computer Festival <>
Date: Mon Sep 27 08:09:03 2004

On Mon, 27 Sep 2004, Tom Jennings wrote:

> I haven't had a chance to get back and debug, but is it true that simh
> does NOT simulate the target machine's execution speed? I wrote a simple
> 'sum all words in track N' program for the LGP and it completed as soon
> as I hit return! It should have taken many seconds... I did RTFM, so no
> reference to it, but I haven't had time to go look at the source. Got
> lazy and decided to post instead of research (typical, huh :-)

I wondered that myself. SpaceWar! on the PDP-1 seems to run at its
original speed.

Sellam Ismail                                        Vintage Computer Festival
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Received on Mon Sep 27 2004 - 08:09:03 BST

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