Play mame in Linux handily

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dnf install mame

in ~/.bashrc

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MAME_DATABASE=/to/path/of/mame
alias mame_go="mame -window -rompath ${MAME_DATABASE}/roms -snapshot_directory ${MAME_DATABASE}/snap "

how to play,

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# open game list.
mame_go
# or quickly into play.
mame_go sf2ce

Other emulators,

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# fc nes
dnf install fceux
# ps2
dnf install pcsx2