本帖最后由 805 于 2015-4-11 08:38 编辑 7 M- k% Z' [1 s8 I0 b$ `
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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0 K- F. o, |0 G3 p0 v: h% w) n. n
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Board composition: Single JAMMA board
- C3 C; z5 j3 P+ u! \2 ~, }Main CPU: MC68000 @ 8.948862 MHz (16-bit & 32-bit instructions @ 1.566 MIPS)
& _# v1 q; f+ c ESound chips: Yamaha YM3438 @ 7.670453, SN76496 @ 3.579545
( A+ R+ r. S$ M! U% ~; i5 LOptional sound chip: NEC µPD7759 @ 640 kHz (9-bit ADPCM @ 8 kHz sampling rate), s# x3 n9 C2 `7 \& \8 j4 w
Graphics chips: Yamaha YM7101 VDP, Altera EPM5032, Sega 315-5242 color encoder" E* N0 P% k' M: q1 E
Video resolution: 320×224 pixels
. q( p& Q& q. j) I YColor palette: 98,304' H2 X8 _- ^9 h: _) p3 A0 {4 [
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.; ]4 C: }* @5 v
Colors on screen: 6144 + B# `5 n0 J0 q9 N
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