PLD's
| PLD Information | Credits | Download | Pictures | |||||
|---|---|---|---|---|---|---|---|---|
| Dump Method | Target Device | Location | ID | Status | Creator(s) | Tester(s) | Files | View |
| Recreated | PALCE16V8 | 8A | NB1-1 | Tested | Porchy | Caius | JEDEC | 
|
| Bruteforced | GAL16V8 | 8B | NB1-2 | Tested | Caius | Caius | JEDEC | 
|
Notes
Note from MAME source: World set using non standard ROM labels (NR is Namco's prefix for Nebulas Ray, but NOT here!!), verified on 2 separate PCBs
Equations
NB1-1 Equations
Inputs:
2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19
Outputs:
12 (Combinatorial, Output feedback output, Active high)
13 (Combinatorial, Output feedback output, Active high)
14 (Registered, Output feedback registered, Active high)
15 (Registered, Output feedback registered, Active high)
16 (Registered, Output feedback registered, Active high)
17 (Registered, Output feedback registered, Active high)
18 (Registered, Output feedback registered, Active high)
19 (Registered, Output feedback registered, Active high)
Equations:
o12 = !i9 & !o13
o12.oe = vcc
o13 = i8 & i9 & rf14 #
o13 & rf19 #
o13 & rf14
o13.oe = vcc
rf14.d = !i8 & !i9 & !o13 & !rf15 #
rf14 & !rf15
rf14.oe = OE
rf15.d = o13 & rf14
rf15.oe = OE
rf16.d = o13 & rf14 #
rf15
rf16.oe = OE
rf17.d = o13 & rf14 #
rf16
rf17.oe = OE
rf18.d = o13 & rf14 #
rf17
rf18.oe = OE
rf19.d = o13 & rf14 #
rf18
rf19.oe = OE
Credits
- IC pictures from Porchy