Re: VIC-20 ROM problem...

From: Marko Mäkelä (msmakela_at_cc.hut.fi)
Date: 2000-09-13 06:30:03

On Wed, 13 Sep 2000, William Levak wrote:

> The sytem has hung before Basic initialized.  This would mean either
> the kernal ROM, Basic ROM, or not enough low RAM are working.  This
> could also include the logic chips that control the RAM, UC1, UC4 and UD3.

One (rather improbable) possibility is that the character ROM is broken in
such a way that all characters are blank.  Blindly type POKE 36879,0 and
see if the screen color changes.  If not, then the above suggestions
apply.

	Marko

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