![]() ![]() Unlike most Data East games this hardware features a pixel layer and a VRAM layer, probably to make the transition from the pixel addressable computer code to the arcade hardware.Īs prototype software it seems to have a couple of non-critical bugs, the palette ram check and vram check both overrun their actual ramsize. Notes : (Bryan McPhail) Licensed from the home computer version this game never made it past the arcade field test stage. Hardware: This is an unusual Data East PCB based on the Sega Genesis / Megadrive Notes : A modified PC-Engine, differences are input ports are different (2 dips, 2 joysticks, 1 coin port), interface to palette chip is different (palette data is the same), extra sound chips, and extra processor to drive them, twice as much VRAM.Īudio: YM2151 3.58MHz, OKI6295 1.006875MHz, OKI6295 2.01375MHz Pro Yakyuu Nyuudan Test Tryout / Pro Baseball Skill Tryout
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