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In the end I've enabled the perfect interleaving...

Go Go Ackman 2



Batman Forever



The cutted "Hold On" msg is caused by bad maincpu timings...I don't know why the window effects doesn't work at all though...

In the other news...Tafoid made a regression test, now we know almost every game that doesn't currently boot. I'll try to see the reason of each then post the results.

Perfect interleave also makes Actraiser fart instead of just hanging

they got fixed around 0.126 (when I fixed RAM/ROM/SRAM banking) and never had a problem since then

r5466 /src/mame/machine/snes.c: [SNES]: Improved cart mode 20 reserved access behaviour

I don't know how it truly works (Anomie docs doesn't say anything about it), but several games reads from the low bank of 0xc***** area. Applying a guessed mirror fixes many (but not all) broken cases. Random screenshots:











The guessed mirror is:
value = snes_ram[0x200000 + ((offset & ~0x8000) | 0x8000)];
Now the question is: how it truly works? Shoudn't be in cart mode 20 at all? But these games doesn't seem suited to work with HiROM loading instead of LoROM...

Interesting. I assume byuu will tell us how that actually works

And here's the compatibility list with my notes...

http://mamedev.emulab.it/kale/fast/files/548_not_working.zip

I wonder why Tales of Phantasia sound doesn't work at all even with the timing trick...sound (DSP) bug?

Hmm. NHL '96 (and probably the others in that series) is a regression, it works in 0.133.

ETA: the BS games of course all need special mapping and I think some add-on hardware.

For the NHL games, is the same issue as Clay Fighter, aka caused by the Rock 'n Roll Racing GDMA boundary fix... --"

EDIT: actually no, it's not caused by that, and I quite don't have an idea about what broke it...

AFAIK NHL and ClayFighter both do the "execute an MVN out of the DMA registers" hackery, so be careful about open bus on those.

The sound for Actraiser (U/E) is not fixed yet, right ?