hooked up the new sim side-by-side with the original in Edward Randy, it does seem that chip had the same functionality even if it was marked differently.

also note
+//	AM_RANGE(0x199550, 0x199551) AM_WRITENOP /* Looks like a bug in game code, a protection write is referenced off a5 instead of a6 and ends up here */
+//	AM_RANGE(0x199750, 0x199751) AM_WRITENOP /* Looks like a bug in game code, a protection write is referenced off a5 instead of a6 and ends up here */

these do actually fall through to the protection device based on Charles' notes about how it maps in memory, and infact affect the 3rd attract demo where they get read back (I could do with playing through to that level to make sure everything is in order)

I haven't yet removed the old Edward Randy sim because I'm still testing :-)

git-svn-id: svn://dspnet.fr/mame/trunk@24335 749742ba-7341-0410-aadc-df50b521781e
HISCORE DIFF's for all MAME versions without hiscore support

The diff performs the following:
1) Adds hiscore support back into MAME
2) Removes all nag screens
3) Removes loading messages (decoding/decrypting/Updating Artwork, etc.) and the 'white box' when loading.

 Add the following to the mame.ini file to disable the appropiate patch section:

disable_hiscore_patch   1   <- To disable highscore support. Set to 0 or omit it entirely from ini file to enable.
disable_nagscreen_patch   1  <- To disable removal of nagscreens /white box. Set to 0 or omit it entirely from ini file to enable.
disable_loading_patch   1      <- To disable suppresssion of loading/decypting/etc messages. Set to 0 or omit it entirely from ini file to enable.
Adding the GroovyMame's patch