汇编求无符号字节序列中的最大值和最小值

DATAS SEGMENT
    ;此处输入数据段代码  
BUF	  DB  1,9,2,8,3,7,4,6,10,5
COUNT EQU	$-BUF
DATAS ENDS

STACKS SEGMENT
    ;此处输入堆栈段代码
STACKS ENDS
CODES SEGMENT
    ASSUME CS:CODES,DS:DATAS,SS:STACKS
START:
    MOV AX,DATAS
    MOV DS,AX
    MOV AX,STACKS
    MOV SS,AX

    ;此处输入代码段代码
    LEA SI,BUF
    MOV CL,COUNT-1
    MOV BH,[SI]
    MOV BL,[SI]

	CALL BCNT
	CALL DISPLAY
    
BCNT  PROC  NEAR
NEP1:
     INC SI
	 MOV AL,[SI]
	 CMP AL,BH
  	 JA NEP2
	 CMP AL,BL
	 JB NEP3
	 JMP NEP4
NEP2:
	 MOV BH,[SI]
	 JMP NEP4
NEP3:
	 MOV BL,[SI]
NEP4:
	 LOOP NEP1
     RET
BCNT  ENDP

DISPLAY PROC NEAR
	 MOV CL,1
MAX:
	 CMP BH,9
	 JBE NUM
	 ADD BH,7
NUM:
	 ADD BH,30H
	 MOV DL,BH
	 MOV AH,02H
	 INT 21H
	 MOV DX,0DH
	 INT 21H
	 MOV DL,0AH
	 INT 21H
	 CMP CL,0
	 JA MIN
	 RET
MIN:
	 MOV BH,BL
	 DEC CL
	 JMP MAX
	 RET
DISPLAY ENDP

CODES ENDS
    END START