ArKad is an emulator for the Capcom System 1,2 and 3 boards with support for Linux. ArKad is in the first step of emulation and it runs a few Capcom System III (cps3) roms. arKad continues to gain compatibility, performance, and new features to this day.

The final build 1.1 of arKad emu is here. More speedups and fixes in this release and added new games. BlackTiger and Tehkan Worde Cup, sorry it's not Capcom arcade game, but I liked it when I was a children. Anyway here's the changelog:

CPS3

Fixed Flash Read/Write and Erase operations (RedHearth)
Fixed bugs in SCSI/Atapi emulation, some command were bugged (12h/25h).
Fixed bugs in Tiles rendering (FilpX/FlipY)

BlackTiger
Added support for this game.

Added Z80 support (90%)
Added Yamaha OPN emulation.

World Cup (Tehkan)
Added support for this game

Added AY3810 emulation
Added Z80 multiprocessor support.

Emulation

Added Auto Frame Skip