Re: Ribbon Cable

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Tue, 17 Dec 2013 23:24:51 +0100 Message-ID: <52B0CF33.8030500@laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 12/17/2013 10:59 PM, Bil Herd wrote:
> Several of the times when  I tried to "clean up" this kind of thing for
> the C128 I would come across a compatibility issue; we found that third
> parties had used the glitches on IO lines to latch R/W and that some carts
> like the Magic Voice cart would drive the bus at unexpected times
> including the high address lines (They would toggle /GAME and /EXROM
> dynamically when the system had been designed for them to be solder
> jumpers).  Eventually I stopped trying to "improve" it and try to learn to
> "live with" it.

There are other carts that are guilty of that... The feature of the Easy 
Flash 3 that lets you use a KERNAL on the Expansionport without having 
to remove the internal one or any internal soldering needs dirty tricks 
like this.

See here:

  skoe.de/kernal/kernal-cartridge.pdf

Some people like it, I don't.

Gerrit

       Message was sent through the cbm-hackers mailing list