Re: Afterburner SRAM issue

You can also use CY7C185 for the 8K (and 128's for the 2K's) - I've used
these for Outrun with no issues.

Its the Psuedo Static Rams that are hard to source - The 65256BLSP's

Cheers, Col

----- Original Message -----
From: <solarfox@triluminary.net>
To: <rasterlist@vectorlist.org>
Sent: Thursday, December 02, 2010 1:24 PM
Subject: Re: RASTER: Afterburner SRAM issue

On Thu, 2 Dec 2010 00:19:56 -0500, you wrote:

>I picked up an Afterburner that works but most of the graphics are missing
>during play (can't see your plane, other planes, background, etc. Pretty
>much all you can see is a horizontal line for the horizon. Alot of the text
>is also really hard to read.
>
>I was able to get into test mode and it's complaining that IC125 is bad
>(verified this by looking at this test screen in MAME since the text was
>impossible to read on the game).
>
>The markings on this chip are MB81C78A-35P-SK. It's an 8KX8 CMOS 28 pin
>SRAM. Anyone know where I can get one of these?

This guy on eBay has some:

http://cgi.ebay.com/FUJITSU-MB81C78A-35P-SK-28-PIN-RAM-Vintage-81C78A-/370433320310

-----------------------------------------------------------------------------
"I'll tell you what's eating me, "Beach Blanket Bimbo Fiesta" boy; I'm
turning
thirty in three weeks."

"Ah, the fiery ritual of Carousel. Perhaps you'll be renewed."

"Yeah, we'll see if you're laughing in six months when *your* palm is
blinking red."
-----------------------------------------------------------------------------
solarfox@removethis.triluminary.net (Gary Akins
jr.)
-----------------------------------------------------------------------------
---------------------------------------------------------------------------
** Unsubscribe, subscribe, or view the archives at http://www.vectorlist.org
** Please direct other questions, comments, or problems to chris@westnet.com

---------------------------------------------------------------------------
** Unsubscribe, subscribe, or view the archives at http://www.vectorlist.org
** Please direct other questions, comments, or problems to chris@westnet.com
Received on Thu Dec 2 13:20:49 2010