DATA SEGMENT
ORG 1000H
SZ1 DB 0A3H,0A8H,0B0H,9FH,9EH,0B1H,0AFH,0ADH
DB 0A7H,0A8H
MAX DB ?
MIN DB ?
ORG 1010H
SZ2 DB ?,?
ORG 1020H
SZ3 DB 0,0,0
ORG 1030H
SZ4 DB 0,0,0
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START PROC FAR
ST1: PUSH DS
SUB AX,AX
PUSH AX
MOV AX,DATA
MOV DS,AX
CALL ZMAX
CALL ZMIN
CALL Z1
CALL Z2
CALL Z3
CALL Z4
MOV AH,4CH
INT 21H
ZMAX PROC NEAR
MOV BX,OFFSET SZ1
MOV AL,[BX]
MOV CX,9
N1: INC BX
CMP AL,[BX]
JA N2
MOV AL,[BX]
N2: MOV MAX,AL
LOOP N1
ZMAX ENDP
ZMIN PROC NEAR
MOV BX,OFFSET SZ1
MOV AL,[BX]
MOV CX,9
N3: INC BX
CMP AL,[BX]
JB N4
MOV AL,[BX]
N4: MOV MIN,AL
LOOP N3
ZMIN ENDP
Z1 PROC NEAR
MOV SI,OFFSET SZ1
MOV AX,0
MOV CX,10
N5: ADD AL,[SI]
ADC AH,0
INC SI
LOOP N5
SUB AL,[SI]
SBB AH,0
SUB AL,[SI+1]
SBB AH,0
MOV CL,3
SHR AX,CL
MOV WORD PTR DS:[SZ2],AX
Z1 ENDP
Z2 PROC NEAR
MOV SI,1010H
MOV CL,[SI]
OR CL,CL ;影响标志位
JZ RET1 ;ZF=1,运算结果全为零跳转
MOV CH,0
XOR AX,AX
A1: ADD AL,1
DAA
ADC AH,0
LOOP A1
MOV BL,AL
AND AL,0FH ;个位
MOV DS:[1020H],AL
MOV AL,BL
MOV CL,4
SHR AL,CL
MOV DS:[1021H],AL
MOV DS:[1022H],AH
RET1: RET
Z2 ENDP
Z3 PROC NEAR
MOV CX,3
MOV SI,1020H
MOV DI,1030H
N6: MOV AL,[SI]
ADD AL,30H
MOV [DI],AL
INC SI
INC DI
LOOP N6
Z3 ENDP
Z4 PROC NEAR
MOV si,1032H
MOV CX,3
n7:mov al,[si]
MOV DL,AL
MOV AH,02H
INT 21H
DEC si
LOOP N7
Z4 ENDP
RET
START ENDP
CODE ENDS
END ST1
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