The game runs too fast / too slow.
But why? Isn’t newer always better?
Here are some tips and tricks to help you get the most out of the MAME 0139 ROMset: mame 0139 romset
While official MAME development has progressed far beyond version 0.139 (now exceeding version 0.270+), this legacy set remains popular for several technical reasons: The game runs too fast / too slow
The 0.139 version is the "gold standard" for emulation on non-PC platforms. mame 0139 romset