Re: Additional SIDs

From: Richard Atkinson <*rga24_at_cantab.net*> Date: 03 Dec 2011 20:17:41 +0000 Message-ID: <Prayer.1.3.4.1112032017410.7497@hermes-2.csi.cam.ac.uk> · rga24_at_cantab.net

On Dec 3 2011, Marko Mäkelä wrote:

>Doesn't the C65 boot up in 64 mode? If I remember the documentation 
>correctly, the KERNAL would do some VIC-III "register knocking" to 
>switch to the C65 mode.
>
>This would suggest that the second SID is available in the 64 mode, at 
>least in some way. In the 128, the 64 mode is different, as you cannot 
>switch back without asserting the RESET signal.

$D400 and $D440, according to this.

http://www.devili.iki.fi/Computers/Commodore/C65/System_Specification/Chapter_1/page20.html#1.5.4

       Message was sent through the cbm-hackers mailing list