Street fighter 2 CE (M5?) bootleg - GAL dump

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coberr

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Hi all,

I try to repair SF2 CE bootleg PCB.

I think - this is M5 version bootlkeg? (EPROM CONTENT)

I found and removed several problems:

1. damaged 74ls245 ( in my opinion probably high voltage connected by somebody (12V instead 5V) on pin 16 (Jamma - both sides) )

2. damaged several traces on PCB

3.damaged content of one EPROM (reprogrammed)

and several other...

Now I have problem - with GAL integrated circuits.

one of them is 100% phisycally damaged:

section marked as RED - IC marked as 5, IC marked as 6

Is this possible to find somewhere good, checked and working JEDEC dump at least of These two GAL ICs?

Section marked as BLUE : here we have 6x42 pin EPROMs.

I have on my PCB 12x 40pin EPROM.

My PCB is very similar (or almost the same) - to below photo .( this photo is somewhere from the website ):

Street_Fighter_2_Champion_Ediition_2mod.jpg
 
C

coberr

Newbie
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8CR
thanks for the answer :)

This is very nice website :)

I see very similar PCB:

http://wiki.pldarchive.co.uk/index.php?title=Street_Fighter_2_(bootleg)

but I don't know - which exactly file I can try to use?

ICs are not marked on this (and my) PCB:

http://wiki.pldarchive.co.uk/index.php?title=File:SF2_CE_RedWave.jpg

But are marked immediately as 5 and 6.
 
Martinmurphy30

Martinmurphy30

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I have passed them on to pldarchive so hopefully they will be uploaded soon. From memory there is possibly 1 dump missing from the set but it's a long time since I checked. I'm pretty sure I downloaded these from the old archive but they are not listed now.
 
C

coberr

Newbie
Credits
8CR
I have question:

On this PCB are Installed 2x 74LS373 with disconnected (phisycally cutted pin 11 - CLK) . both ICs marked as blue

is this normal situation?

SF2_LS373.jpg
 
C

coberr

Newbie
Credits
8CR
I thank You for the confirmation :)

So in result - these ICs are used like simple 3-state buffers (74ls245)

and pin 11 is pulled up to high state.

interesting thing...

similar to " blind PCB traces" - which have their ends exactly under ICs and going to nowhere :)

question for ALL forum users:
how do You think: is this any sense to make all or paritally reverse engineering of such PCB?

(schematics are totally unavailable but I checked that part of this PCB is very similar to CAPCOM CPS1 system)

For example - SOUND section.

coberr2022-06-28 19:18:25
 
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