To Mike:
Don't have your personal email address. Not sure if the one on the list
server is legit.
I found a few trays of RCA chips. (3)1805's (1) 1854. I know I have more but
can't put my fingers on them. Looking for a home for them and my Netronics
kit if you know of anyone that wants to tinker with it. Have the RCA 1800
data book and the Netronics manual somewhere too.
Let me know. Contact me off list.
Thanks - Rick

michael brown wrote:

> From: "Rick C."
>
> > I have a box of 1800 series chips. If I have one I'll let you have
> it..
> > Rick
>
> You don't know how much I'd appreciate that, they're pretty rare.  :-)
> They were used in RCA Studio-II and Radio Shack TV game units.  It's a
> video output device that maps 256 bytes of ram to a TV type display as
> 32*64 monochrome, rectangular pixels.  Since the original ELF only had
> 256 bytes of RAM the program occupied part of the screen.  Kinda unusual
> with the changing variable locations causing miscellaneous blinking
> pixels.
>
> michael brown
>
> > michael brown wrote:
> > > Yes, quite an interesting mnemonic.  ;-)  Did you test the "illegal"
> > > op-code 0x68 to see what it did on your CPU?  If anyone has a spare
> > > CDP-1861 lying around, I'd like to get my ELF going again.
> > >
> > > michael brown

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