说明：   DW 256 DUP(?) STACK1 ENDS DDATA SEGMENT MES1 DB The least number is:$ MES2 DB 0AH,0DH, The largest number is:$ NUMB DB 0D9H,07H,8BH,0C5H,0EBH,04H,9DH,0F9H DDATA ENDS CODE SEGMENT ASSUME CS:CODE,DS:DDATA START: MOV AX,DDATA MOV DS,AX MOV SI,OFFSET NUMB MOV CX,0008H JCXZ A4 MOV BH,[SI] MOV BL,BH A1: LODSB AL=DS:[SI],SI=SI+1 CMP AL,BH JBE A2 MOV BH,AL JMP A3 A2: CMP AL,BL JAE A3 MOV BL,AL A3: LOOP A1 A4: MOV DX,OFFSET MES1 show mes1 MOV AH,09H INT 21H MOV AL,BL show the least number AND AL,0F0H get the highest 4 bits SHR AL,4 CMP AL,0AH JB C2 ADD AL,07H C2: ADD AL,30H MOV DL,AL show character MOV AH,02H INT 21H MOV AL,BL AND AL,0FH get the lowest 4 bits CMP AL,0AH JB C3 ADD AL,07H C3: ADD AL,30H MOV DL,AL show character MOV AH,02H INT 21H MOV DX,OFFSET MES2 show mes2 MOV AH,09H INT 21H
(DW 256 DUP (?) STACK1 ENDSDDATA SEGMENTMES1 DB The least number is: $ MES2 DB 0AH, 0DH, The largest number is: $ NUMB DB 0D9H, 07H, 8BH, 0C5H, 0EBH, 04H, 9DH, 0F9HDDATA ENDSCODE SEGMENT ASSUME CS: CODE, DS: DDATASTART: MOV AX, DDATA MOV DS, AX MOV SI, OFFSET NUMB MOV CX, 0008H JCXZ A4 MOV BH, [SI] MOV BL, BHA1: LODSB AL = DS: [SI], SI = SI+ 1 CMP AL, BH JBE A2 MOV BH, AL JMP A3A2: CMP AL, BL JAE A3 MOV BL, ALA3: LOOP A1A4: MOV DX, OFFSET MES1 show mes1 MOV AH, 09H INT 21H MOV AL, BL show the least number AND AL , 0F0H get the highest 4 bits SHR AL, 4 CMP AL, 0AH JB C2 ADD AL, 07H C2: ADD AL, 30H MOV DL, AL show character MOV AH, 02H INT 21H MOV AL, BL AND AL, 0FH get the lowest 4 bits CMP AL, 0AH JB C3 ADD AL, 07HC3: ADD AL, 30H MOV DL, AL show character MOV AH, 02H INT 21H MOV DX, OFFSET MES2 show mes2 MOV AH, 09H INT 21H)