间接寻址及地址寄存器指令_ppt [只读]

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1、间接寻址及地址寄存器指令???12rteoinPar_#P---#Ini_Value-910#CounterLW[AR1,P#200.0]SIMATICS7Date:2009-7-31SITRAINTrainingforSiemensAG2001.Allrightsreserved.File:PRO2_04E.1AutomationandDrives内容页码STEP7中可能的寻址方式…..............................................................................

2、............2变量直接寻址……...............................................................................................3DB中地址标识符直接寻址................................................................................4在程序中分析DB信息....................................................

3、................................5存储器间接寻址….....................................................................................................6用于存储器间接寻址的指针结构.................................................................7存储器间接寻址的特性…….....................................

4、.............................8间接寻址示例….................................................................................................9练习4.1：用间接寻址的方法进行循环编程……..................................................10内部区域，寄存器间接寻址…….................................................

5、...........................11交叉区域，寄存器间接寻址…………...................................................................12用于装载地址寄存器的指令................................................................................13其它用于地址寄存器的指令....................................................

6、................................14寄存器间接寻址的特性….....................................................................15练习4.2：用寄存器间接寻址的方法进行循环编程…….....................................16POINTER类型和ANY类型数据的块参数.................................................................17POIN

7、TER类型的结构和参数赋值...................................................................18ANY数据类型的结构.................................................................................................19ANY数据类型参数赋值……....................................................................

8、...20ANY参数类型间接赋值……................................................................21评估ANY型指针传递……