本帖最后由 805 于 2015-4-11 08:38 编辑 6 X$ s% _* U) r# k; {# q& [: |
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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: V+ E- [' u+ k6 l/ O4 n
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Board composition: Single JAMMA board
6 ^; p. W, `2 H! ZMain CPU: MC68000 @ 8.948862 MHz (16-bit & 32-bit instructions @ 1.566 MIPS)% L# j, s V7 Q, B9 J
Sound chips: Yamaha YM3438 @ 7.670453, SN76496 @ 3.579545# x* \" d* @; D5 ^/ q
Optional sound chip: NEC µPD7759 @ 640 kHz (9-bit ADPCM @ 8 kHz sampling rate)$ i0 X0 Y; G: `$ y5 j+ N
Graphics chips: Yamaha YM7101 VDP, Altera EPM5032, Sega 315-5242 color encoder
f2 o. T2 M: A/ ~' W3 FVideo resolution: 320×224 pixels
4 o9 }( O. J4 U1 P A qColor palette: 98,304/ B! I0 X" ^) O, A
Sega'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.
, t- _: N* ?, S8 aColors on screen: 6144 " E& N6 @( w$ B0 S* X
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