I was thinking may be pots on the gbs are enough resistance
have you tried removing resistors on colors?
My home made Sega Mega Tech cartridges. NBA Jam TE, Alienstorm, Mickey Mouse Castle of Illusion and Altered Beast...
I belive the mode is called "asian pal"
it also depends on monitor you are using, does it have scart, svideo, component? if I'm not wrong you cannot play ntsc on pal tv or B/W on some tv's.
maybe it's better to use rgb scart cable and try that way, that switches are similar to megadrive versions, sets pal, ntsc and languages. Have you...
yes they are same
I remember writing cd's under linux with lg writer and nero
instead of expanding cartridge slot, open the shell and try that way or open the cartridge and try with bare cart pcb.
I'm following your progress, wonder what will happen :)
another megadrive megatech converter for sale http://www.ebay.co.uk/itm/261554049261?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
[IMG] Sega Megadrive to Megatech Cartridge Converter http://www.ebay.co.uk/itm/261544230640?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
im using willem parralel port programmer with my old asus a3e laptop which have parralel port. recommended if you use older pc or laptop
please, bonanza bros is all time favorite of mine
maybe something like this can be used to dump rom and compare with each other without opening carts, i couldnt find anything other than retrode...
i believe you can test them using fusion emulator
use 240p suite
repro megatech carts http://www.ebay.co.uk/sch/erhanpurple/m.html?item=261443070245&ssPageName=STRK%3AMESELX%3AIT&rt=nc&_trksid=p2047675.l2562
try using lm1881 circuit
i dont remember exactly but there is also e method of removing some capacitor, or lifting a pin from cxa encoder to fix jailbar issue.
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