Sega System 16 - adapter / button order help

[Frank_fjs]

So I made my own system 16 adapter, works great but I have a question regarding the ordering of buttons 1,2 and 3.

I followed this pinout which seems to be universally the same on the net:

http://www.system16.com/jamma.php

When playing Shinobi, for example, the button order seems strange. Looking at control panel pictures of the original arcade, this seems to be the correct order:

Attack - B1
Jump - B2
Magic - B3

With my adapter which is wired correctly, at least according to the pinouts online, it is:

Jump - B1
Attack - B2
Magic - B3

So buttons 1 and 2 are reversed.

Am I missing something here or did Sega just wire dedicated cabs in an odd way?

 

[Mitsurugi-w]

Most likely the cabs were just wired that way.

 

[KalessinDB]

@XianXi sells System16 adapters, so if anyone can confirm/deny that pinout I imagine it would be him.

 

[Frank_fjs]

I noticed his (JNX) adapters feature jumpers to alter the button layout. I assumed this was to cover System 24 which has buttons 1 and 3 reversed but maybe it's also to address the issue I described.

Also noticed that a System 16 adapter purchased elsewhere has buttons 1 and 2 reversed, as does a different brand adapter a friend has. Must be a reason for it. Just trying to determine if the pinouts posted online are incorrect or if it's to combat the way Sega control panels were wired.

 

[XianXi]

Yup button pinout is dumb. If you even play Shinobi on the Pandora it’s the same pinout. Jump-Attack-Magic(magic doesn’t work on PB though)

I can’t remember if Golden Axe was correct or not off hand. Almost like there was no standard to follow when programming it in.

 

[XtraSmiley]

JNX adapter on stock jumpers as silk screened, HAS, NEO GEO AES sticks connected via DB15, all buttons good on ... edit, wait. I might be wrong. I’ll double check.