Re: Problems with moving VIC-20 sources

From: Groepaz <groepaz_at_gmx.net>
Date: Sun, 7 Jul 2013 19:33:40 +0200
Message-Id: <201307071933.40847.groepaz@gmx.net>
On Saturday 06 July 2013, Spiro Trikaliotis wrote:
> In older versions (I do not know if this is correct anymore), VICE
> replaced the memory area where the traps were installed with another
> byte (00, BRK, IIRC). This might be the reason why you see ROM addresses
> changed.

its still like that, except it uses JAM ($02) now
 
> Now, if you move around memory areas, these addresses ("traps") might
> not be correct anymore. In this case, VDT will not work and might send
> your machine into nirvana.

actually, no... the traps are only installed when checksum of the kernal 
matches a known kernal.

> So, the bottom line: Switch off "VDT" and try it again.

yes. and have a look at the logfile, there should be a warning about it if 
there was a problem installing those traps.

-- 

http://www.hitmen-console.org    http://magicdisk.untergrund.net
http://www.pokefinder.org        http://ftp.pokefinder.org

Ach, lass mich doch mit deinen Argumenten in Ruhe. Ich habe schon eine 
Meinung!


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Received on 2013-07-07 18:01:16

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