Re: Additional cartridge ROM question

Re: Additional cartridge ROM question

From: William Levak <wlevak_at_sdf.lonestar.org>
Date: Sat, 28 Mar 2009 01:15:12 +0000 (UTC)
Message-ID: <Pine.NEB.4.64.0903280109200.19831@sdf.lonestar.org>
On Tue, 24 Mar 2009, Jim Brain wrote:

> But, if EXROM and GAME are LOW, but HIRAM and LORAM are low as well, do I get 
> RAM at the two 8K locations, or does EXROM and GAME override any LORAM/HIRAM 
> settings?

If EXROM, GAME, HIRAM, and LORAM are low, all access ($000-FFFF) is RAM, 
with the VIC chip seeing the Character ROM at $1000-1FFF and $9000-9FFF 
and RAM everywhere else.



wlevak@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org

       Message was sent through the cbm-hackers mailing list
Received on 2009-03-28 03:23:32

Archive generated by hypermail 2.2.0.