I finally decided to dump the MR DO speedup rom image.  You can go to
my site at http://www.arcade-classics.com to download it.

Location D2.  2764 Rom

It makes the game fun again! ;) Enjoy!

jon/evil e
http://www.arcade-classics.com


Mr Do Speedup Chip 
Location: D2
chip type: 2764

To test in mame, rename the file to c4-02.bin , ignore the checksum error and run!
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Evil Exidy's Hide-out
http://www.arcade-classics.com
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March 16, 2005
I decided to dump the MR DO speed up ROM IMAGE.
To test in mame, rename the file to c4-02.bin,
ignore the checksum error and run

(info given by Keith Corcoran).