jlmao-微机原理-ch4-part1

1、Kunming University of Science & TechnologyPage 2Kunming University of Science & TechnologyPage 3Kunming University of Science & TechnologyPage 4Kunming University of Science & TechnologyPage 5Kunming University of Science & TechnologyPage 6#includevoid main() couthello,world!”end

2、l;Kunming University of Science & TechnologyPage 7hello,world!印象印象2：大量的伪指令：大量的伪指令印象印象1：分段定义方式分段定义方式DS/SS：定义数：定义数据存储空间据存储空间CS: 由指令序列组由指令序列组成的程序成的程序。Kunming University of Science & TechnologyPage 8MOV AX, DATA ; MOV DS, AXMOV AX, STACK ; MOV SS, AX MOV AH, 9 ; MOV DX, OFFSET DA1INT 21HRET END

3、START印象印象3：代码段主要由指令构成：代码段主要由指令构成Kunming University of Science & TechnologyPage 9Kunming University of Science & TechnologyPage 10Kunming University of Science & TechnologyPage 11Kunming University of Science & TechnologyPage 12Kunming University of Science & TechnologyPage 13Kunm

4、ing University of Science & TechnologyPage 14Kunming University of Science & TechnologyPage 15Kunming University of Science & TechnologyPage 16Kunming University of Science & TechnologyPage 17Kunming University of Science & TechnologyPage 18Kunming University of Science & Tec

5、hnologyPage 19Kunming University of Science & TechnologyPage 20Kunming University of Science & TechnologyPage 21汇编后的汇编后的指令为：指令为：Kunming University of Science & TechnologyPage 22Kunming University of Science & TechnologyPage 23 1000 1100(8CH)OR) 0111 0011(73H) 1111 1111 1000 1100(8CH)

6、XOR) 0111 0011(73H) 1111 1111Kunming University of Science & TechnologyPage 24Kunming University of Science & TechnologyPage 25可见，关系运算符令程序的编制更具灵活性！可见，关系运算符令程序的编制更具灵活性！Kunming University of Science & TechnologyPage 26Kunming University of Science & TechnologyPage 27Kunming University

7、of Science & TechnologyPage 2820H30H34H12H1000:0001H1000:0000H1000:0002H1000:0003H汇编后汇编后Kunming University of Science & TechnologyPage 29Kunming University of Science & TechnologyPage 30Kunming University of Science & TechnologyPage 31Kunming University of Science & TechnologyPag

8、e 32；在记录中专用；在记录中专用；在结构中专用；在结构中专用或多重变量的下标值；用来表示地址表达式的优先级别（）；用来改变运算符WIDTHMASK.Kunming University of Science & TechnologyPage 33Kunming University of Science & TechnologyPage 34Kunming University of Science & TechnologyPage 35Kunming University of Science & TechnologyPage 36义，记录定义）其它（群定

9、义，结构定，程序开始结束语句；过程定义语句：段分配语句：段定义语句：，标号赋值语句：，数据定义语句：NAMEENDORGENDP.PROCASSUMEENDS.SEGMENTEQUDDDWDBKunming University of Science & TechnologyPage 37为复制次数。为复制操作符，但不存入数据。“？”保留存储空间，起来，否则无意义。字符串：要用单引号引表达式NDUPKunming University of Science & TechnologyPage 3810DATA1DATA2DATA31910？10？14444144442211330

10、0DATA4DATA5OKOKKunming University of Science & TechnologyPage 39ONETWO443366552211Kunming University of Science & TechnologyPage 40Kunming University of Science & TechnologyPage 41Kunming University of Science & TechnologyPage 42Kunming University of Science & TechnologyPage 43Ku

11、nming University of Science & TechnologyPage 44Kunming University of Science & TechnologyPage 45Kunming University of Science & TechnologyPage 46Kunming University of Science & TechnologyPage 47Kunming University of Science & TechnologyPage 48.MODEL SMALL.STACK.DATA.；此处填入数据段定义部分；此处填入数据段定义部分.CODE.STARTUP；此处填入代码段语句；此处填入代码段语句.EXIT 0ENDKunming University of Science & TechnologyPage 49.MODEL