Re: C900 keyboard (Re: japanese C64 (fwd))

From: Marko Mäkelä (
Date: 2004-04-14 08:26:09

On Tue, Apr 13, 2004 at 08:22:23PM +0200, Nicolas Welte wrote:
> He sent me some interesting pictures showing the C900 keyboard controller
> assembly which consists of a R65001EB3 piggybacked with a 2716 EPROM. So
> I guess it should be pretty easy to read out the controller program. Anyway,
> someone already knows how the serial keyboard protocol looks like and if
> it's compatible with the PC, AT or Amiga?

Sorry, I don't know the answer, but your question reminded me of this project:  They are using the Ez-USB microcontroller
(a 8051 clone with built-in USB interface) as a USB HID (Human Interface
Device) adapter for various game controllers, mice and keyboards, so that
you can use a Sun or Amiga keyboard on a newer computer.  I wonder if the
microcontroller has enough I/O for the detachable keyboards of the 8032-SK
a.k.a. CBM 200, the CBM II series a.k.a. B series, the SX-64 or the 128D. :-)


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