Category:CPS2: Difference between revisions

PAL3

Original part is PALCE16V8H-15, 15 is the speed rating, 15ns.

• Pin 2 via jumpers go to A20 on eprom 13,14,15,16
• pin 3 go to A19 on eprom 13,14,15,16

• pin 5 via jumpers go to A20 on eprom 17,18,19,20
• pin 6 go to A19 on eproms 17,18,19,20

• pin 7 via jumpers go to A20 on eprom 11,12
• pin 8 go to A19 on eprom 11,12

PAL/GAL images

http://www.jammarcade.net/pal-dumps/

Audio program

Always one or two 128kb eproms in position 1&2.

27c1001/27c010 has address line 16 on pin #2 and GND on pin 24, so a closed/open configuration would be:

• COOC COOC

Jumpers Eprom 1

• Jumper 1 routes address line 16 to pin #2 of eprom 1
• Jumper 3 routes address line 16 to pin #24 of eprom 1
• Jumper 2 routes GND to pin #2 of eprom 1
• Jumper 4 routes GND to pin $24 of eprom #1

Jumpers Eprom 2

• Jumper 5 routes address line 16 to pin #2 of eprom 2
• Jumper 6 routes address line 16 to pin #24 of eprom 2
• Jumper 8 routes GND to pin #2 of eprom 2
• Jumper 9 routes GND to pin $24 of eprom #2

Main program

Always 512kb eproms, starting from position 3

Audio Samples

Either 1 or two 2048kb or 4096kb eproms, in postion 11 & 12

A common piece used by Capcom is MX23c1610, this piece has GND on pin #32

Graphics

9J PAL (BGSB3) Versions