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Mortal Kombat - Ultimate Trilogy 13mb #329

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?

load ROM and says too large

What version of the emulator are you using (official, SVN revision,...)? lates 
version r764

I know the 10mb ROM works. Any chance of allowing 13mb file to run. It has 
tracks added from the arcade version.

Original issue reported on code.google.com by csatec...@gmail.com on 9 Mar 2013 at 8:45

GoogleCodeExporter commented 9 years ago 
it does not matter hat was added,, 10MB is the maximal size supported by the 
emulator because it is the maximal cartridge ROM size supported on real 
hardware without bank-switching (technically, the Z80 memory area starts 10MB 
after the start of the cartridge/expansion area and the VDP area starts 12MB 
after the start, so 13MB ROM will simply mess up with vital parts of the system 
)

Does this ROM use bankswitching ? I doubt it considering the  usual 10MB hacks 
is just stupidly adding stuff at the end without caring about technical 
feasibility. It won't ever work on most flashcarts because It requires special 
address decoding on cart and, last time I checked, is still full of bugs that 
will crash the game on real hardware or accurate emulators.

Anyway, I don't really expect you understand what I said, give at least some 
details on where to find infos on the hack  or simply answer my questions (as 
usual with your previous issues here) so I will simply close it.

Original comment by ekeeke31@gmail.com on 9 Mar 2013 at 10:29