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g--ƬC΢C

ƬC΢C

 

΢ӋC΢̎(CPU)惦I/Oӿ·ɿЙCBһwQ΢ӋC

ƬC΢̎(CPU)惦I/Oӿ·rһKоƬQƬ΢ӋCQƬC

Ҫ^e

(1) ͨ΢CCPUҪ򔵓̎lչҪ@̎ӋٶȺ;ȵMһ

ƬCҪеĔͼ̎ԆƬCĔܱ̎ͨ΢CҪһЩӋٶȺ;ҲҪһЩ

(2) ͨ΢Cд惦MYҪᘌ惦CPUĴȡٶ

ƬCд惦ĽMY^惦оƬֱӒچƬCĿCPU惦xֱַ팤ַ惦Ԫ惦Čַgһ㶼64 KB

(3) ͨ΢CI/OӿҪ]˜O(CRT˜IPӡCӲPP)

ƬCI/OӿڌHÑṩcOBӵÑOBҪOӋwĽӿ·쾚Ľӿ·OӋg΢ӋC΢̎(CPU)惦I/Oӿ·ɿЙCBһwQ΢ӋC

 

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ASCIIaַDQʮMƔ

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IPςPCĻ@ʾ

΢Cӿڼ䑪Ì

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8259Д

8259μД

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I/OUչ򞣨8λ16λ

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8255 A/B/Cݔ

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8279IPc@ʾOӋ

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LCD 12864DҺ

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lڣ2021-7-1 16:33:55  lϢg[596

朽ӣ Ŀϵy  Ͱl늙C  ɶ܇  ؾ܇  ӡˢ  ɶ܇܇  ϴ™CS  C؛\  늙C  ˮ  ˵  ˾W   

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