Re: R: I: STAR CASTLE PCB with a "little" problem

From: Christopher X. Candreva <>
Date: Wed Jun 08 2011 - 10:24:42 EDT

On Wed, 8 Jun 2011, vernimark wrote:

> I'm sorry for the quality of my video, but if you look it carefully you can see the "rings" of the castle
> shake a little bit. But if you look more carefully the rings don't shake , they are simply drawn with some
> segment vertex wrong for a short time, just a "frame" (I know we don't have frames in vector games). The same
> happens with the animy starship: when it rotates in some positions and for a very short time, some vertex are
> wrong. So definitely it is not a problem limited to one object.
> I already changed 181 TTL RAMs and ROMs

If it's all objects then maybe it's one of the DACs, either a stuck pin or
just one "bit" with a desoldered pin.

Chris Candreva -- -- (914) 948-3162
WestNet Internet Services of Westchester
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Received on Wed Jun 8 10:24:43 2011

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