Yam! Yam!? © 1990 Dooyong.
Main CPU : Zilog Z80 (@ 8 Mhz)
Sound Chips : YM2203 (@ 1.5 Mhz)
Screen orientation : Horizontal
Video resolution : 256 x 224 pixels
Screen refresh : 60.00 Hz
Palette Colors : 512
Players : 2
Control : 4-way joystick
Buttons : 2
This game is also known as "Wise Guy".
Originally developed by Nihon Maicom Kaihatsu (NMK). But the Japanese location test was a flop. So, they changed the character design and published it through Dooyong in Korea.
Game's ROM.
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ROM
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