Viper Phase 1
A 23-year-old Arcade Video Game PCB by Seibu Kaihatsu, Inc.
Emulated in MAME !
Information for the following ROM(s): viprp1oj viprp1ot
Viper Phase 1 © 1995 Seibu Kaihatsu.
A spin-off of the "Raiden
Seibu SPI Hardware
Main CPU : I386 (@ 25 Mhz)
Sound CPU : Zilog Z80 (@ 7.15909 Mhz)
Sound Chips : YMF271 (@ 7.15909 Mhz)
Players : 2
Control : 8-way joystick
Buttons : 2