IBM 7074 and then some: "Systems we love" conference

Chuck Guzis cclist at
Tue Jan 24 00:00:15 CST 2017

On 01/23/2017 09:42 PM, Jon Elson wrote:
> On 01/23/2017 07:45 PM, Jon Elson wrote:
> This blog seems to indicate that there is NO 7074, but an emulator 
> running on 370 hardware.
> This makes a lot more sense, some of these microcode emulations were 
> still available of fairly late machines.  Also, it probably would not
> be real hard to write a decent emulator for the 7074 and run it on
> modern hardware.  Once you are using emulation, why not keep the host
> hardware current?
> Too bad the excerpts from the original talk are totally scrambled.

It wouldn't surprise me if the IBM S/370 isn't being emulated as well.
It wouldn't be the first time for "nested" emulation.

Is there a "recursive" emulator setup wherein one machine emulates
another one...where the final emulation is for the original hardware?


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