廣工自動(dòng)化微機(jī)實(shí)驗(yàn)-展示頁(yè)
2025-04-25 23:11本頁(yè)面
【正文】 MOV DL,0AH DIV DL MOV [DI],AL INC DI MOV [DI],AH INT 03HCODE ENDS END STARTDATAS SEGMENT ORG 0550H X DB 65H,67H,87H,19H,32H,54H,76H,98H 。變址存于SI MOV CX,04H 。CF位清零BBB:MOV AX,0550H[SI] 。被加數(shù)4位減去減數(shù)4位 MOV 0560H[SI],AX 。變址加2 DEC CXJNZ BBB 。XY結(jié)果存入AX中 。BCD碼調(diào)整 ADD AX,Z 。AAA 。Q存入3710單元 MOV AH,4CH INT 21H CODES ENDS END STARTDATAS SEGMENT ORG 0550H X DB 65H,67H,87H,19H,32H,54H,76H,98H 。變址存于SI MOV CX,04H 。CF位清零BBB:MOV AX,0550H[SI] 。被加數(shù)4位減去減數(shù)4位 MOV 0560H[SI],AX 。變址加2 DEC CXJNZ BBB 。BUFSIZE DB 9 。送數(shù)據(jù)地址到DI LEA BP,RESULT MOV SI,00H MOV CX,[di] 。ZF=1，此數(shù)據(jù)為非負(fù)數(shù)，轉(zhuǎn)移 INC BYTE PTR[BP+1] 。CF=1，此數(shù)據(jù)為0 JMP DONENEXT: INC BYTE PTR[BP] 。循環(huán)次數(shù) MOV SI,OFFSET SCORE 。CF=0,大于60跳轉(zhuǎn) JMP DONES70: INC BP CMP AL,70 JNB S80 。CF=0,大于80跳轉(zhuǎn) JMP DONES90: INC BP CMP AL,90 JNB S100 。對(duì)應(yīng)分?jǐn)?shù)段人數(shù)加1 INC SI LOOP BBB MOV AH,4CH INT 21HCODES ENDSEND STARTDATAS SEGMENT ORG 0300H LEN DW 0020HNUM (定義20個(gè)數(shù)，由于太長(zhǎng)，Worl里面顯示成了幾行,換行要在行首加DB)DB 12H,34H,34H,54H,65H,65H,53H,55H,09H,69H,0FCH,65H,0AAH,0FBH,98H,88H, 0C3H,44H,12H,12H,45H,45H,76H,76H,32H,32H,76H,76H,0B7H,86H,21H,09H ORG 0400H MAX DB ? ADDRESS DW ?DATAS ENDSCODES SEGMENT ASSUME CS:CODES,DS:DATASSTART: MOV AX,DATAS MOV DS,AX LEA SI,NUM MOV AL,00H MOV CX,LEN 。講AL中數(shù)據(jù)與(SI)中數(shù)據(jù)比較 JNB NEXT CLC 。將AL中最大數(shù)存入指定地址 MOV AH,4CH INT 21HCODES ENDSEND STARTSTACK SEGMENT STACK DW 64 DUP(?)STACK ENDSDATA SEGMENT ORG 0300HX DB ? ORG 0305HY DB ?DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART:MOV AX,DATA MOV DS,AX LEA SI,X LEA DI,Y MOV CX,0003H A1:MOV AL,[SI] INC SI AND AL,AL JNS A2 MOV BYTE PTR[DI],0BH INC DI LOOP A1 JMP EXIT A2:JZ A3 MOV BYTE PTR[DI],0AH INC DI LOOP A1 JMP EXIT A3:MOV BYTE PTR[DI],00H INC DI LOOP A1 EXIT:INT 03HCODE ENDS END STARTSTACK SEGMENT STACK DW 64 DUP(?)STACK ENDSDATA SEGMENT ORG 0200HX DB ? ORG 0105HY DB ?DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART:MOV AX,DATA MOV DS,AX LEA SI,X LEA DI,Y MOV CX,0003H A1:MOV AL,[SI] INC SI CMP AL,0C8H JBE A2 MOV BYTE PTR[DI],90H INC DI LOOP A1 JMP EXIT A2:CMP AL,64H JNZ A3 MOV BYTE PTR[DI],50H INC DI LOOP A1 JMP EXIT A3:CMP AL,32H JAE A4 MOV BYTE PTR[DI],00H INC DI A4:LOOP A1 EXIT:INT 03HCODE ENDS END START實(shí)驗(yàn)四：1. 修改實(shí)驗(yàn)程序：（1）STACK SEGMENT STACK DW 64 DUP(?)STACK ENDSCODE SEGMENT ASSUME CS:CODE,SS:STACKSTART: MOV BX,03HA0: CMP BX,00H JZ A3 PUSH BX 。9個(gè)字符 MOV BL,31H MOV AH,02HA1: MOV DL,BL INT 21H INC BL PUSH CX MOV CX,0FFFFHA2: LOOP A2 POP CX DEC CX JNZ A1 MOV DL,0DH MOV AH,02H INT 21H MOV DL,0AH MOV AH,02H INT 21H POP BX DEC BX JMP A0 A3: MOV AH,4CH INT 21HCODE ENDS END START（2）STACK SEGMENT STACK DW 64 DUP(?)STACK ENDSCODE SEGMENT ASSUME CS:CODE,SS:STACKSTART: MOV BX,04HA0: CMP BX,00H JZ A3 PUSH BX 。26個(gè)字母 MOV BL,41H MOV AH,01H A1: MOV AL,BL INT 10H INC BL DEC CX JNZ A1 MOV CX,09H 。回車換行 MOV AH,02H INT 21H MOV DL,0AH MOV AH,02H INT 21H POP BX DEC BX JMP A0 A3: INT 03HCODE ENDS END START（3）STACK SEGMENT STACK DW 64 DUP(?)STACK ENDSDATA SEGMENTDATE1 DB 39。DATA ENDSCODE SEGMENT ASSUME CS:CODE,SS:STACKSTART:MOV AX,DATA MOV DS,AXA1: MOV AH,06H LEA BX,DATE1 INT 10H INT 03H CODE ENDS END S
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