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DR. DUDE & HIS EXCELLENT RAY -SOUND SET (3 chips)
SET OF 3 (U14.L1/U19.L1/U20.L1)
Bally: Dr. Dude
ROM Revisions
Game Version L-2
U26 : Checksum: EAE2
U27 : Checksum: 20B6
If your Dr. Dude is a WPC model (blue bottom arch),
use this U6 instead of U26/U27.
Game Version P-7 (WPC)
U6 : Checksum: FBC8
Sound Version L-1 (common to both versions)
U4 : Checksum: 8C5C
Speech Version L-1 (common to both versions)
U19 : Checksum: 065A
U20 : Checksum: ED58
PROGRAMMING NOTE:
Check the filesize of the ROM image to confirm what
size EPROM to use:
Size EPROM (size)
------- -------------
131,072 27C010 (128K)
65,536 27512 ( 64K)
32,768 27256 ( 32K)
16,384 27128 ( 16K)
8,192 2764 ( 8K)
4,096 2732 ( 4K)