CPS2 PAL3

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Revision as of 13:15, 23 September 2012 by Invzim (talk | contribs) (Created page with "==PAL/GAL images== http://www.jammarcade.net/pal-dumps/ ==PAL3== Deals with addressing the ROMS, 4(5) different versions. Original part is PALCE16V8H-15, 15 is the speed rating...")
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PAL/GAL images

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

PAL3

Deals with addressing the ROMS, 4(5) different versions. Original part is PALCE16V8H-15, 15 is the speed rating, 15ns. Pin compatible GAL is GAL16V8B-15.

  • Pin 2 via jumpers go to A20 on eprom 13,14,15,16 (GFX low chunk)
  • pin 3 go to A19 on eprom 13,14,15,16
  • pin 5 via jumpers go to A20 on eprom 17,18,19,20 (GFX high chunk)
  • pin 6 go to A19 on eproms 17,18,19,20
  • pin 7 via jumpers go to A20 on eprom 11,12 (Qsound samples)
  • pin 8 go to A19 on eprom 11,12


Version B

Up to 16mb GFX, 2x2mb qsound sample eproms.

Version D

Unknown

Version E

Existence to be confirmed

Version F

Up to 32mbit GFX, 2x2mb qsound sample eproms


Version G

Up to 32mbit GFX, 2x4mb Qsound sample eproms.

PAL version cheat-sheet

  • If qsound samples (11&12) is 4mb each, it's a G
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