i know but this issue i got ONLY happens on MAME 0.106 emulator.
I mean, MAME version 0.106.
Althought i am under XP HOME EDITION os and i am using a very old pc (only 2.60 Ghtz as CPU and 504 MB as RAM) i must use MAME 0.106 version.
Most recent MAME emulators run so slow on my old machine....