hmmm, now that you say that, it sounds familiar.  was it the model 40 that 
could do 1620 emulation then?

<pre>--Carey</pre>

> On 04/10/2024 10:25 AM CDT Jon Elson via cctalk <cctalk@classiccmp.org> wrote:
> 
>  
> On 4/10/24 07:18, CAREY SCHUG via cctalk wrote:
> > Nearly all the 360s were microcoded, so adding a bit more microcode let 
> > them emulate 1400/7000 series computers as a standard optional feature. 
> > (well the model 44 emulated the 1620, and probably the 95/195 could not 
> > emulate anything since they were hard wired).
> >
> The model 44 was not microcoded.  It had faster floating 
> point than a model /50 but no decimal or string 
> instructions.  Emulation of these was done through trap 
> handlers.  I would assume any other machine emulators were 
> done by something like an emulation wrapper program - like 
> Virtualbox or VMware.  The model 44 had no channels, there 
> was only direct I/O (a set of 32-bit parallel input and 
> output registers) and a pair of cartridge hard drives inside 
> the CPU cabinet.  Think DEC RK05s.
> 
> Jon

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