CPS2 PAL3: Difference between revisions
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==PAL3== | ==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. | 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, GAL16V8B-10 is also confirmed working. | ||
*Pin 2 via jumpers go to A20 on eprom 13,14,15,16 (GFX low chunk) | *Pin 2 via jumpers go to A20 on eprom 13,14,15,16 (GFX low chunk) | ||
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*pin 7 via jumpers go to A20 on eprom 11,12 (Qsound samples) | *pin 7 via jumpers go to A20 on eprom 11,12 (Qsound samples) | ||
*pin 8 go to A19 on eprom 11,12 | *pin 8 go to A19 on eprom 11,12 | ||
==Version B== | ==Version B== | ||
Revision as of 16:11, 23 September 2012
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, GAL16V8B-10 is also confirmed working.
- 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
