微機作業(yè)匯編程序參考答案-資料下載頁
2025-06-07 19:08本頁面
【正文】 TOPLEA SI,ARRAYMOV CX,0AHAGAIN: CMP [SI],0JB D1MOV AL,NUM1INC ALMOV NUM1,ALLEA DI,P_ARYMOV [DI+AL],[SI]LOOP AGAINJMP NEXTD1: MOV AL,NUM2INC ALMOV NUM2,ALLEA DI,N_ARYMOV [DI+AL],[SI]LOOP AGAINNEXT:MOV CX,NUM1LEA SI,P_ARYAGAIN1:MOV AH,02HMOV DL,[SI]INC SILOOP AGAIN1MOV CX,NUM2LEA SI,N_ARYAGAIN2:MOV AH,02HMOV DL,[SI]INC SILOOP AGAIN2 MOV AH,4CH INT 21HCODE ENDS END START：已知有幾個元素存放在以BUF+1為首址的字節(jié)存貯區(qū)中，個數(shù)放在BUF單元中。試統(tǒng)計其中正數(shù)、負數(shù)和零的個數(shù)。DATA SEGMENTBUF DB 03H,35H,81H,00HN_PLUS DB 0N_NEG DB 0N_ZERO DB 0DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART:MOV AX,DATA MOV DS,AX MOV BX,OFFSET BUF MOV CL,[BX] INC BX LOP:MOV AL,[BX] CMP AL,0 JG TOPS JE TOZR INC N_NEG JMP NEXT TOPS:INC N_PLUS JMP NEXT TOZR:INC N_ZERO NEXT:INC BX DEC CL JNZ LOP MOV AH,4CH INT 21H CODE ENDS END START
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