本帖最后由 805 于 2015-4-11 08:38 编辑 ?2 d6 y; z( l1 w ]0 u# Z9 J
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* w, o0 v8 z. s7 Q- Z* a6 Z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) R9 |: W( n8 g! b, n. _6 s" K6 WMain CPU: MC68000 @ 8.948862 MHz (16-bit & 32-bit instructions @ 1.566 MIPS)* O) j6 ~; J. Z b9 `# A1 ?4 H
Sound chips: Yamaha YM3438 @ 7.670453, SN76496 @ 3.579545; p/ c2 H4 q, q. K( f
Optional sound chip: NEC µPD7759 @ 640 kHz (9-bit ADPCM @ 8 kHz sampling rate)
& Q; @: C4 [8 ?Graphics chips: Yamaha YM7101 VDP, Altera EPM5032, Sega 315-5242 color encoder
" Y0 T! K0 c! [) F1 M7 i$ DVideo resolution: 320×224 pixels
6 \* d. G; `9 lColor palette: 98,304
) Q C1 I3 Y) B" x% T' y$ m. wSega'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.
: ~$ j5 g+ |/ i( K3 F* s$ YColors on screen: 6144 & t) e7 X- n Z' O$ v) Z# W
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