Early Bally SS ROM Background Sound Disable (solved info link in comment)

[RabidUrko]

I know this is for Williams tables , but does anyone know the Bally equivalents please.

Cheers

  Press (8) to get into ROM menu

  Press (7) to start correct advancement

  Press (8) several times until 04 is shown in the Credit Display.  'Auto-Up / Manual-Down switch is controlled by (7)

  Press (8) repeatedly until you get to the adjustment number desired. 

     For example, background sound is defaulted to on.  It is adjustment number 35.  You'll see a 1 in the upper left display.  Press (1) to change that value.   To turn off sound, set the value to 0.   

     Note:  Press (7) to reverse the advancement up or down.

  (9) will exit/reset

     Note: Auto-Up / Manual-Down (7)  also controls the direction the menus will advance

Edited December 6, 2024 by RabidUrko
solved

[RabidUrko]

Bally 17 and 35 MPU tables accessing the ROMs

 

The link is for score alteration, but it gives the overall keys to use.

 

https://www.vpforums.org/index.php?app=tutorials&article=94

Background sound is mode 18, pressing key 7 to reach that, then holding key 1 down with a choice of 0,1,2 or 3

0 chimes without background sound

1 chimes with background sound

2 Noises without background sound

3 Noises with background sound

 

Found the info in the above link, you have to hold *down the 1 key for the  figures to increment for any of the altering.

* i repeat that as its why i couldnt find the key, it has to be held down.

Edited December 6, 2024 by RabidUrko
more info