OT Re: Gecko connection to unipolar stepper??

We programmed the IMSAI8080 with quad-grouped paddle switches in hex.
Nicer than the normal toggles on the mits altair. kinda fun to see
how quickly you could flip the required state(s) and press step/load
Hand dancing.

Ballendo

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "BRIAN FOLEY" <ka1bbg@...>
wrote:

>
> yea and programming 4004, and 8008 i got real tired of the toggle

switches

> for data entry. same with the mitz altair???? huh i must be

getting old too.

> cul brian f.
> ----- Original Message -----
> From: "David Speck" <Dave@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Wednesday, May 17, 2006 6:46 PM
> Subject: Re: [CAD_CAM_EDM_DRO] Re: Gecko connection to unipolar

stepper??

>
>
> > Brian,
> > I know how that works. When I built my first 4 mHz Z-80, I

build a

> > custom keyboard with Microswitch brand magnetic key contact

modules that

> > could be assembled into custom arrangements on specially

designed metal

> > strips. I used keyswitches from old keypunch machines made by

Mohawk

> > Data Systems, and used the Vedit text editing program because

the key

> > assignments were configurable. Boy, those were the days!
> >
> > Dave
> >
> > BRIAN FOLEY wrote:
> > > Ok, thanks for the tip, when i wrote a lot of 6502 machine

code programs

> i
> > > rewired the actual switch under the keys to make some changes

for my

> speed
> > > typing. adding another key and wiring it to the regular switch

works

> also.
> > > cul brian f.
> > >
> >
> >
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