130 lines
2.4 KiB
Plaintext
130 lines
2.4 KiB
Plaintext
|
|
Typed in by Jonathan Deitch (jdeitch@umiami.miami.edu)
|
|
|
|
Williams Bubbles
|
|
----------------
|
|
|
|
This has four boards ... CPU/Video, ROM, Interface, Sound.
|
|
|
|
|
|
CPU/Video
|
|
=========
|
|
IJ3 : Monitor Control
|
|
7 : N/C
|
|
6 : Horiz. Sync.
|
|
5 : Vert. Sync.
|
|
4 : Ground
|
|
3 : Blue
|
|
2 : Green
|
|
1 : Red
|
|
|
|
IJ2 : Memory Protect Interlock
|
|
4 : N/C
|
|
3 : N/C
|
|
2 : Key
|
|
1 : Memory Protect (Inverted)
|
|
|
|
IJ1 : Power Input
|
|
9 : - 5 V DC
|
|
8 : + 12 V Unregulated
|
|
7 : + 5 V DC
|
|
6 : N/C
|
|
5 : + 12 V DC
|
|
4 : Key
|
|
3 : Ground
|
|
2 : Ground
|
|
1 : N/C
|
|
|
|
|
|
ROM Board
|
|
=========
|
|
|
|
2J4 : Sound Board Interface
|
|
9 : N/C
|
|
8 : CB2
|
|
7 : PB4
|
|
6 : PB5
|
|
5 : PB2
|
|
4 : PB3
|
|
3 : PB0
|
|
2 : PB1
|
|
1 : N/C
|
|
|
|
2J3 : Coin Door Switches
|
|
10 : N/C
|
|
9 : Key
|
|
8 : N/C
|
|
7 : Slam Switch
|
|
6 : Center Coin Slot
|
|
5 : Left Coin Slot
|
|
4 : High Score
|
|
3 : Right Coin Slot
|
|
2 : Advance
|
|
1 : Up = Auto, Down = Manual
|
|
|
|
2J2 : Power Input
|
|
6 : N/C
|
|
5 : N/C
|
|
4 : + 5 V DC
|
|
3 : Key
|
|
2 : N/C
|
|
1 : Ground
|
|
|
|
|
|
Interface Board
|
|
===============
|
|
|
|
3J2 : Not connected
|
|
|
|
3J3 : Player Panel
|
|
10 : Ground
|
|
9 : N/C
|
|
8 : N/C
|
|
7 : N/C
|
|
6 : Player 2 Start
|
|
5 : Player 1 Start
|
|
4 : Move Right
|
|
3 : Move Left
|
|
2 : Move Down
|
|
1 : Move Up
|
|
|
|
|
|
Sound Board
|
|
===========
|
|
|
|
10J3 : Sound Select (From ROM Board)
|
|
9 : N/C
|
|
8 : CB2
|
|
7 : PB4
|
|
6 : PB5
|
|
5 : PB2
|
|
4 : PB3
|
|
3 : PB0
|
|
2 : PB1
|
|
1 : N/C
|
|
|
|
10J4 : Volume Control
|
|
4 : Shield
|
|
3 : Key
|
|
2 : Out
|
|
1 : In
|
|
|
|
10J2 : Speakers
|
|
4 : GND
|
|
3 : N/C
|
|
2 : N/C
|
|
1 : Audio Out : Note - the schematic does not say if this is
|
|
amplified or not ...
|
|
|
|
10J1 : Power Input
|
|
9 : Key
|
|
8 : 12 V DC Unregulated
|
|
7 : N/C
|
|
6 : N/C
|
|
5 : GND
|
|
4 : N/C
|
|
3 : + 5 V DC
|
|
2 : + 12 V DC
|
|
1 : N/C
|
|
|