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huadan
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樓主  發(fā)表于: 2008-10-24 09:56
西門(mén)子200中 V和M  2個(gè)儲存器有什么區別  一般用哪個(gè)
chuntao33
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1樓  發(fā)表于: 2008-10-24 15:20
V表示變量存儲器， 用v存儲器來(lái)保存于工序或任務(wù)相關(guān)的其他數據�？梢园次�、字節、字或雙字存取V存儲器。
M表示位存儲器 內部存儲器標志位M作為控制繼電器存儲器存儲中間操作狀態(tài)或其它的控制信息�？梢园次�、字節、字、雙字來(lái)存取位存儲區。

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