Re: Introduction

From: Michał Pleban <*lists_at_michau.name*> Date: Thu, 13 Jun 2013 18:28:05 +0200 Message-ID: <51B9F315.1070700@michau.name> · lists_at_michau.name

Hello!

Baltissen, GJPAA (Ruud) wrote:

>> You could possibly sacrifice the User Port to drive these pins.
> Great idea! I completely forgot that Boisy hasn't to be 6510 compatible. 

Actually I just realized it's not a good idea. User Port is visible in
the I/O area. Once you switch it out, you won't be able to access it to
bring it back :-(

Perhaps a better idea would be to XOR one address line so that the $Dxxx
I/O area is moved to $Fxxx, and use the $5 memory configuration (I/O
visible, otherwise RAM).

Regards,
Michau.

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