Re: BASIC and System ROM replacements

From: Michał Pleban <>
Date: Sun, 26 May 2013 21:40:24 +0200
Message-ID: <>

Jim Brain wrote:

> To be honest, I was struggling with that.  I could see watching the
> vector locations for a key to snap back into regular ROM mode, but I
> have no idea about returning to the previous bank.

That's why I have additional 496 ROM bytes in the I/O space, where you
can put (among others) interrupt handlers which switch to the original
bank, and switch back upon return ;-)


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Received on 2013-05-26 20:03:22

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