Re: Asteroids Deluxe graphic problem

From: Kevin Moore <talon.k_at_gmail.com>
Date: Wed Oct 27 2010 - 10:55:26 EDT

Well the cost of parts was relatively inexpensive. It was more of the
challenge, and seeing it through. It was a rough day of troubleshooting
though.

Kevin

On Wed, Oct 27, 2010 at 9:23 AM, Chris Brooks <armis@pcdochouston.com>wrote:

> Wow… that would be a hell of a DOG board…. Was it even worth it?
>
>
>
> Thanks,
>
>
> Chris Brooks
>
> 713-341-9850
> ------------------------------
>
> *From:* owner-vectorlist@vectorlist.org [mailto:
> owner-vectorlist@vectorlist.org] *On Behalf Of *Kevin Moore
> *Sent:* Wednesday, October 27, 2010 9:22 AM
> *To:* vectorlist@vectorlist.org
> *Subject:* Re: VECTOR: Asteroids Deluxe graphic problem
>
>
>
> Ok for anyone interested here's the repair log for the Asteroids Deluxe.
>
> I think I got everything included here.
>
> Asteroids Deluxe repair log
>
> Upon power up got nothing.
>
> Hooked up Fluke and checked Rom/Ram
>
> Could read the Vector Side ok, but nothing from Program side.
>
> Found Dead ls139 @ L2
>
> Could now read program side, but not vector.
>
> Seems Some of the pins on L2 were stuck so I could read the Vector side but
> upon replacement
> they were no longer stuck.
>
> Found Bad ls157's at F2, H2, J2, and K2 replaced and can no read Vector,
> and Program sides ok
>
> However there were bad eproms @ D1, E/F1, F/H1, and R2 Burned new ones.
>
> Power up and get watchdog.
>
> Remove pin 1 from LS42 at L5 game now plays blind, but with some strange
> explosion sounds
> and no thrust sound, just a faint pop.
>
> Start troubleshooting VSM
>
> Ground watchdog Disable, and game plays blind as well.
>
> Pull and check custom prom @ C8 checks good.
>
> Find bad Ls193 @ J4, and K4
>
> Now greated with a horrible picture.
>
>
> http://picasaweb.google.com/lh/photo/tX2PtYo8mbqyeGJnbnmb3LU4nHRf6SnmoWh4viFd1vI?feat=directlink
>
> Replaced a bad ls157 at bc/10 I now have this.
>
>
> http://picasaweb.google.com/lh/photo/Jf76pGvmPLKkYUy9cYkU6LU4nHRf6SnmoWh4viFd1vI?feat=directlink
>
>
> http://picasaweb.google.com/lh/photo/hDDl6Um13oNfPRaLoCihLLU4nHRf6SnmoWh4viFd1vI?feat=directlink
>
> Replace both am6012 chips, and we are getting closer
>
>
> http://picasaweb.google.com/lh/photo/KGi71hzc0t_uCpT01lPrn7U4nHRf6SnmoWh4viFd1vI?feat=directlink
>
>
> http://picasaweb.google.com/lh/photo/X7B7TU2mwlvC82BK1F-T3rU4nHRf6SnmoWh4viFd1vI?feat=directlink
>
> Found K9 pin 3 stuck that cleared up the diag lines
>
> Scaling is wrong for ships, and it appears there are no medium asteroids.
> Found bad ls175 @ M6
>
> Having problems with Highscore table. When going into game mode, it would
> display BFBFBF
> while trying to load the top 3 scores. Found bad ls174 @ N10 but then the
> table would
> now try to load FFFFFF also found bad ls244 @ M9 and bad Earam.
>
> Highscore table now works. Onto the sound problems.
>
> Found bad Pokey, and ls164 @ P8 noise generator
>
> All is good.
>
> Parts
> 4 2516 Eproms
> 1 ls245
> 2 ls193
> 5 ls157
> 1 ls191
> 1 ls142
> 1 Pokey
> 2 ls164
> 1 ls244
> 1 earam
> 1 ls175
> 2 am6012
> 1 tl081
>
> 12 16 pin sockets
> 1 8 pin socket
> 3 20 pin sockets
> 1 22 pin socket
> 2 14 pin sockets
>
> Kevin
>
> On Wed, Oct 27, 2010 at 12:17 AM, Kevin Moore <talon.k@gmail.com> wrote:
>
> Well there was definitely a problem in the Z Pin 3 of K9 was stuck, as for
> the asteroid size, Stuck Pin 2 at M6.
>
> Now to figure out why the explosions sound like the ball hitting a pong
> paddle.
>
> P6, P7, R7 and the associated Nor, Or and Buffers are good..
>
> Kevin
>
>
>
> On Tue, Oct 26, 2010 at 11:19 PM, Kevin Moore <talon.k@gmail.com> wrote:
>
> The camera caught the Press Start when it was blinking. It looks normal,
> not on the picture.
>
> One other thing I've noticed, is there seems to be no medium asteroids.
> They go from large to small when shot.
>
> Kevin
>
>
>
> On Tue, Oct 26, 2010 at 10:17 PM, Rodger Boots <rlboots2@gmail.com>
> wrote:
>
> Wild guess, looks like Z-axis (brightness) is backwards. "Press start"
> should be brightest, diagonals should be invisible.
>
>
>
> On Tue, Oct 26, 2010 at 4:02 PM, Kevin Moore <talon.k@gmail.com> wrote:
>
> Been working on a very dead Asteroids Deluxe. I've finally got picture. In
> game mode I've got a vertical line going up form the center, then angling
> off to the upper right. I also have diagonal lines under the zero scores.
>
>
> http://picasaweb.google.com/lh/photo/KGi71hzc0t_uCpT01lPrn7U4nHRf6SnmoWh4viFd1vI?feat=directlink
>
> In test mode I have 4 0's on the upper dip switch settings then a diagonal
> line for the 5th, Looking at the manual I think there should be only 4 0's
> on both dip switch lines, but the bottom has 5.
>
>
> http://picasaweb.google.com/lh/photo/X7B7TU2mwlvC82BK1F-T3rU4nHRf6SnmoWh4viFd1vI?feat=directlink
>
> any ideas?
>
> Kevin
>
>
>
>
>
>
>
>
>
>

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Received on Wed Oct 27 10:55:31 2010

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