Re: Misaligned Vectors in Cinematronics

From: peter jones <highwayman2000_at_mail.ru>
Date: Sun Mar 25 2001 - 00:02:24 EST

-----Original Message-----
From: Paul Sommers <rgvac_aust@dingoblue.net.au>
To: vectorlist@synthcom.com
Date: Sat, 24 Mar 2001 23:58:17 +1100
Subject: VECTOR: Misaligned Vectors in Cinematronics

>
> Hey gang!
>
> Well - I didn't fix my Space Wars boards, but this afternoon my set of
> untested Armour Attack boards arrived... and they worked!!!!
>
> But they have shown up a problem with the monitor which wasn't obvious with
> Space Wars in the 3 seconds that it worked. Although I do remember when you
> rotated a ship the vectors didn't quite meet properly.
>
> The lines aren't lining up straight. It also appears the bigger the vector
> drawn the more it is out.
>
> Here's a picture:
> http://au.photos.yahoo.com/bc/rgvac_aust?e&.intl=au&.flabel=fld1&.from=d&.pindex=1&start=1&.src=ph&.done=http%3a//au.photos.yahoo.com/bc/rgvac_aust%3fd%26.flabel=fld1%26.intl=au%26.src=ph
>
> As you can see the text isn't bad, but the playfield boundary is. (The double
> image isn't a problem it's my bad camera work). The tanks and main screen
> looks good, but the helipcopter blades aren't correct.
>
> I replaced the TL081's on the chassis but no change.
>
> As there was a slight problem with the Space Wars ships also - I am guessing
> it's in the Analogue section of the chassis. Any ideas what to check next? The
> monitor has been capped.
>
> By the way - just how obtainable are the big obsolete looking DACS. Should I
> get a couple if I can find them?
>
> Also - I have a different rom set to MAME - you can see that from the test
> screen in that it doesn't draw the overlay pattern. Also the main screen reads
> copyright Rock Ola. Should I read these in for anyone? I guess I'll put the
> MAME roms in so I can line up the overlay easily.
>
> Cheers
> MacMan
>

Hey paul, dump the romz and mail em to me, i will put them in mame for the next beta or so.

also CONGRATULATIONS for posting the longest link i have ever seen :-)

L8r.

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Received on Sun Mar 25 00:13:31 2001

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