ok. since the modified cart loading routine is now in svn, please report any game that was working yesterday and broken now.
I spent the day mainly testing if carts were still loading correctly and trying to compile a debug build with symbols of win32 SDLMESS. this left very short time to debug S-DD1.
However, gdb revealed that, for some reason, Street Fighter Alpha 2 feeds the wrong values to SDD1_OL_launch and the function blows up. I hope to find time in the weekend to study our SDD-1 implementation in search of the problem...