Converting pacman plus back to pacman

supercharged

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I am looking for a cost effective way to swap the game back or trade the eproms for the pacman eproms with speed up of course.
 
Not really a cost effective way...

The fuse link PROM chips aren't particularly cheap - especially if you have to get a set programmed.

To convert it back you'll need a Z80 CPU, new ROMs (or reprogram yours if they are EPROMs), and IIRC... 2 PROMs.

RJ
 
To change back to pac from pac plus you need a Z80, all 6 eproms and 4A/7F color proms.

^^^^ This.

The 4A/7F PROMs are fuse link programmable PROMs. They aren't particularly cheap.
 
Generally $8 to 10 for a programmed PROM... They are different from EPROMs and are getting harder and harder to come by.
 
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