本帖最后由 805 于 2015-4-11 08:38 编辑 # B' x( v M8 a$ d
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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
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Board composition: Single JAMMA board/ {+ K e# ~: @8 u5 Y, |, `
Main CPU: MC68000 @ 8.948862 MHz (16-bit & 32-bit instructions @ 1.566 MIPS)
+ q5 |. n. T0 x) \6 f4 j. XSound chips: Yamaha YM3438 @ 7.670453, SN76496 @ 3.579545* t( g, I" B' Q9 ]4 ^1 D& g
Optional sound chip: NEC µPD7759 @ 640 kHz (9-bit ADPCM @ 8 kHz sampling rate)8 X# d6 R3 u& m, E. G, V7 `! C3 M
Graphics chips: Yamaha YM7101 VDP, Altera EPM5032, Sega 315-5242 color encoder4 E* n4 d* g3 w: {
Video resolution: 320×224 pixels
: X* m9 o3 R6 k4 x. ^6 OColor palette: 98,3040 k1 d, g' v. x; l! ^; P
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.
3 E& Z& Y3 r# Z9 y' q$ J9 U* FColors on screen: 6144
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