身高标准体重计算公式汇编任意十六进制数转二进制并输出

2020年10月26日发(作者：金锡如)
屏蔽方式：
DATA SEGMENT
DATA0 DB 'Please enter a hexadecimal number sixteen:' ,0DH,0AH,'$$'
DATA2 DB 0DH,0AH,'OUT:$$'
DATA1 DB 100,0 DUP(0)
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START:
MOV AX,DATA
MOV DS,AX
LEA DX,DATA0
MOV AH,9
INT 21H

LEA DX,DATA1
MOV AH,0AH
INT 21H

MOV CX,0
MOV CL,DATA1+1
ADD DX,CX
MOV BX,DX
MOV BYTE PTR[BX+2],'$$'
MOV DX,0
LEA DX,DATA1+2
MOV AH,9
INT 21H

LEA DX,DATA2
MOV AH,9
INT 21H

LEA DI,DATA1+2
NEXT:
MOV AL,[DI]
SUB AL,30H
CMP AL,09H
JA NEXT3
JMP NEXT1
NEXT3:
SUB AL,07H
CMP AL,0FH
JA NEXT4
JMP NEXT1
NEXT4:
SUB AL,20H
JMP NEXT1
NEXT1:
MOV BL,AL
PUSH CX
MOV CX,0
MOV CX,4
ROL BL,CL
NEXT2:
ROL BL,1
MOV DL,BL
AND DL,1
ADD DL,30H
MOV AH,2
INT 21H
LOOP NEXT2
MOV DL,20H
MOV AH,2
INT 21H

POP CX
INC DI
LOOP NEXT

MOV AH,4CH
INT 21H
CODE ENDS
END START

CF 寄存器方式
DATA SEGMENT
DATA0 DB 'Please enter a hexadecimal number sixteen:' ,0DH,0AH,'$$'
DATA2 DB 0DH,0AH,'OUT:$$'
DATA1 DB 100,0 DUP(0)
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START:
MOV AX,DATA
MOV DS,AX
LEA DX,DATA0
MOV AH,9
INT 21H

LEA DX,DATA1
MOV AH,0AH
INT 21H

MOV CX,0
MOV CL,DATA1+1
ADD DX,CX
MOV BX,DX
MOV BYTE PTR[BX+2],'$$'
MOV DX,0
LEA DX,DATA1+2
MOV AH,9
INT 21H

LEA DX,DATA2
MOV AH,9
INT 21H

LEA DI,DATA1+2
NEXT: