微机原理与接口技术复习题（参考）.docx

《微机原理与接口技术》复习题一、定义一个无符号的字节数组，数组的长度(元素个数)至少为10，然后求该数组各元素的和，结果保存到字类型的变量中。DATA SEGMENTARRAY1 DB 2,2,2,2,2,2,2,2,2,2C1 EQU $-ARRAY1X1 DB ?DATA ENDSCODE SEGMENTASSUME DS:DATA,CS:CODEMAIN:MOV AX,DATA MOV DS,AX LEA SI,ARRAY1 MOV CX,C1 MOV DX,0 CALL SUM MOV X1,DL MOV AH,4CH INT 21HSUM PROCGOON:ADD DX,[SI] INC SI LOOP GOON RETSUM ENDPCODE ENDS END MAIN二、定义一个带符号的字节数组，数组的长度(元素个数)至少为10，然后分别统计该数组中正数(包括零)和负数的个数，并将统计结果存入变量X1和X2中。DATA SEGMENTARRY1 DW 1,2,3,-1,-2,-3,0,4,5,6C1 EQU $-ARRY1ZHENGSHU DB 0FUSHU DB 0DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART: MOV AX,DATA MOV DS,AX LEA SI,ARRY1 MOV AX,C1 ;将长度放到CX中 MOV CL,1 SHR AX,CL MOV CX,AX ;将长度放到CX中 MOV DX,0 CALL SUM JMP $ MOV AX,4CH INT 21HSUM PROCGOON: MOV AX,[SI] CMP AX,0 JGE ADD1 INC [FUSHU] JMP NEXT ADD1: INC [ZHENGSHU] NEXT: ADD SI,2 LOOP GOON RET SUM ENDP CODE ENDS END START三、定义一个带符号的字节数组，数组的长度(元素个数)至少为10，然后从中找出最小/最大的元素，并把该元素保存到字节变量MIN/MAX中。DATA SEGMENT;ARRY DW 2,6,3,11,5,3,7,8,9,4ARRY DW 2,1,2,2,5,2,2,2,2,2C1 EQU $-ARRYMAX DW ?MIN DW ?DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART: MOV AX,DATA MOV DS,AX LEA SI,ARRY MOV AX,C1 MOV CL,1 SHR AX,CL MOV CX,AX ;MOV DX,MAX CALL FINDMAX MOV MAX,DX ;MOV DX,0 CALL FINDMIN MOV MIN,DX JMP $ MOV AX,4CH INT 21HFINDMAX PROCGOON: MOV AX,[SI] CMP AX,DX JG CHANGEMAX JMP NEXT CHANGEMAX: MOV DX,AX NEXT:ADD SI,2 LOOP GOON RET FINDMAX ENDPFINDMIN PROCGOON1: MOV AX,[SI] CMP DX,AX JL CHANGEMIN JMP NEXT1 CHANGEMIN: MOV DX,AX NEXT1:ADD SI,2 LOOP GOON1 RET FINDMIN ENDP CODE ENDS END START四、定义两个字节类型的数组，统计既属于第一个数组又属于第二个数组的元素个数，统计结果保存到变量RESULT中。DATA SEGMENTARRY1 DB 1,2,3,4,5,6,7,8,9,5C1 EQU $-ARRY1ARRY2 DB 0,2,3,7,6,8,9,4,2,0C2 EQU $-ARRY2 RESULT DB 0 DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART: MOV AX,DATA MOV DS,AX MOV CX,C1 MOV DX,C2 LEA SI,ARRY1 LEA BX,ARRY2GOON: MOV AL,[SI] CALL COUNTER ADD DX,10 INC SI LOOP GOON JMP $ MOV AX,4CH INT 21HCOUNTER PROCNEXT: DEC DX CMP AL,[BX] JE ADDONE INC BX CMP DX,0 JNE NEXT SUB BL,10 JMP EXIT ADDONE: INC [RESULT] EXIT: RET COUNTER EN