本帖最后由 805 于 2015-4-11 08:38 编辑
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这款基板主cpu图形处理器和MD是相同的。主cpu只是有点快(8.94 MHz而非 7.67 兆赫)Z80被删除.它依赖于外部硬件Sega 315-5242彩色编码器增加颜色调色板。调色板是能够产生 4096 种颜色+ C3 w3 j& S6 D& b
技术规格.3 Y F. S* i" `1 [# O% I9 y! {/ H
Board composition: Single JAMMA board
, J ^! N; D0 n2 m5 o6 TMain CPU: MC68000 @ 8.948862 MHz (16-bit & 32-bit instructions @ 1.566 MIPS)7 V" l6 `! r/ N1 H' n
Sound chips: Yamaha YM3438 @ 7.670453, SN76496 @ 3.579545
0 E Y# f- G+ _6 T* i. x1 POptional sound chip: NEC µPD7759 @ 640 kHz (9-bit ADPCM @ 8 kHz sampling rate)3 Z. ~7 }& ?7 `0 q4 n3 y
Graphics chips: Yamaha YM7101 VDP, Altera EPM5032, Sega 315-5242 color encoder5 d& R# V2 I5 h8 U ]+ b& s
Video resolution: 320×224 pixels
* C6 \' [/ C% M: p! d, m2 H% BColor palette: 98,304
( G$ e; Q7 ^. r0 BSega's 16-bit arcade color palette: 15-bit RGB high color depth (32,768 colors) and 1-bit shadow & highlight that triples up to 98,304 colors.% _1 N/ O8 B2 h0 u5 e' I6 o) ~( U
Colors on screen: 6144 . E" h9 ~3 z# k5 B5 r: K4 d! V
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