[Techtoolslist] Star Wars Signatures...

[Matt Rossiter]

Page 18 would be for the AVG board, which should be helpful also.

I wired up a 6809E chip like this
http://games.rossiters.com/manuals/6809E-NOP.jpg and put it into a socket.

Ground the WDDIS test point.  If it's setup right, your +5 line should read
0003 and the address lines should look something like below.  I've
documented the address decoder stuff and the rom and data lines.  I would
like to figure out how to do the mathbox.

1C-7		+5V		0003
1C-3		AB0		UUUU 
1C-14		AB1		FFFF 
1C-16		A1B		8484
1C-18		AB3		P763
1C-12		AB4		1U5P 
1C-5		AB5		0356
1C-7		AB6		U759
1C-9		AB7		6F9A

1B-3		AB8		7791
1B-5		AB9		6321
1B-7		AB10		37C5
1B-16		AB11		6U28
1B-18		AB12		4FCA
2C-21		A13		4868
2C-22		A14		9UP1
2C-23		A15		0001



On Fri, 10 Oct 2008 16:38:15 +0100, "martin at guddler.co.uk"
<martin at guddler.co.uk> wrote:

> I've not actually done it, but doesn't page 18 of the troubleshooting  

> guide give you the information on how to put the board in a state for  

> signature analysis?

> 

> On 9 Oct 2008, at 19:52, John Robertson wrote:

> 

>> Checking my files, I find that the "Supplement to STARWARS"  

>> #CO-225-02 (1st Printing) has the last two pages on Signature  

>> updates. The schematics do not exactly show how to get INTO the  

>> Signature state, but I suspect if one reviews Tempest and others  

>> that one can be successful. I have not had to service a SW in years  

>> and did not need signature analysis at the either, so that is the  

>> limit to my knowledge on the matter, but the schematics set and  

>> CO-225-02 should help!

>>

>> Atari was expecting you to use the CAT BOX to run these tests...

>>

>> John :-#)#

> 

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