Re: screwy Asteroids problem (running in Asteroids Deluxe cabinet)

From: Scott Caldwell <scottcaldwell_at_sbcglobal.net>
Date: Thu Apr 06 2006 - 07:38:03 EDT

Maybe he moved it, since that link doesn't work.

Scott C.

Tom McClintock wrote:

> Hi Scott,
>
> I believe the other Scott is away currently, but he did set up a
> public page for his multigame here:
>
> http://www.brasington.org/arcade/adl/
>
>
> ***NOTE*** - this is not yet for sale so you won't find an order form
> or price.
>
>
>
>
> tm
>
>
>
> Scott Caldwell wrote:
>
>> Tom,
>>
>> Thanks for the info, but I've been off the list for a while and
>> haven't visited Scott's site in some time either (yes, I know it's
>> Mr. Brasington, since I own most of his multi-game kits). I
>> was thinking I heard something about him taking over this, but
>> I wasn't sure, so I didn't say anything. You know what they
>> about one opening their mouth and confirming they are a fool...
>> :>
>>
>> I am glad to hear Scott is taking this over, since his kits are
>> Grade A and I'll definitely be buying one!
>>
>> Scott C.
>>
>> Tom McClintock wrote:
>>
>>> ???
>>>
>>> Scott C., have you not seen that Scott B. (who is the same Scott
>>> Brasington as below) has an almost finished Lunar
>>> Lander/Asteroids/Asteroids deluxe multigame that is in it's last
>>> stages of beta testing?
>>>
>>> tm
>>>
>>> Scott Caldwell wrote:
>>>
>>>> Scott, those adaptors like interesting. I'd also like to play
>>>> Asteroids in my
>>>> AD cabaret cabinet. :)
>>>>
>>>> I've been holding onto this Asteroids PCB thinking Clay will some
>>>> day complete
>>>> his promised A/AD/LL multi-game.
>>>>
>>>> Scott C.
>>>>
>>>> Scott Brasington wrote:
>>>>
>>>>> Pins 19 (X) and 16 (Y) control video inversion. There is no
>>>>> way to control them via software unless you want to mod the
>>>>> board. Asteroids only uses pin 19 to invert *BOTH* X and Y.
>>>>> Very early asteroids boards did not have any video inversion support.
>>>>> Cocktail is implemented by looping back the P2out signal which is
>>>>> tied to the Bank RAMSEL circuit when Player 2 is active.
>>>>> DLX upright mirror cabinet will ground pin 19 (X), which has the
>>>>> affect of inverting both X and Y when an asteroids board is plugged
>>>>> in to a DLX upright mirror cabinet (which leaves it with
>>>>> the Y backwards in reference to the mirror). Hope that helps.
>>>>>
>>>>> FWIW, I ran some proto adapters a few weeks ago that are
>>>>> pure plug and play for ast/dlx including video inversion
>>>>> circuit, audio amp impedance matching (AR vs. ARI/II), and
>>>>> input signals swapped. I have not had anytime to test
>>>>> out the audio stuff yet, but the X flip and input swaps
>>>>> works fine. I myself have only a DLX cabinet and having
>>>>> a plug and play way to change boards will be a great helper.
>>>>> Now that I'm back from vacation hopefully I'll have some
>>>>> time to catch up on arcade things again. My kids are wearing
>>>>> me out, glad they will be returning to school!
>>>>>
>>>>> -Scott
>>>>
>>>>
>>>>
>>>
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>>
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>>
>
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Received on Thu Apr 6 07:36:02 2006

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