十六进制转十进制3.asm

十六进制转十进制 汇编语言 里面有三个程序

NAME ZHUAN
DATA   SEGMENT	PARA
RESULT	DB 5 DUP(?),'$' 
DATA ENDS
STACK SEGMENT	PARA STACK
		DW 100H DUP(?)
STACK ENDS
CODE SEGMENT
    ASSUME CS:CODE,DS:DATA,SS:STACK

MEG  DB'ERROR NUMBER!','$'
CRLF MACRO
	 MOV DL,0DH
	 MOV AH,2
	 INT 21H
	 MOV DL,0AH
	 MOV AH,2
	 INT 21H
	 ENDM
START:
	 MOV AX,SEG CODE
	 MOV DS,AX
MAIN:
	 CALL ZHUAN
	 CRLF
	 JMP MAIN
	 
ZHUAN PROC NEAR
	 XOR BX,BX
NEXT1:
	 MOV AH,01
	 INT 21H
	 CMP AL,0DH
	 JZ RETU
	 SUB AL,30H			;接受部分有问题！！看看是不是应该把数上的程序部分都加上！
	 JL EXIT
	 SUB AL,07
	 CMP AL,0AH
	 JL EXIT
	 CMP AL,0FH
	 JG NEXT2
	 JMP NEXT3
NEXT2:
	 SUB AL,20H
	 CMP AL,0AH
	 JL EXIT
	 CMP AL,0FH
	 JG EXIT
	 JMP RETU
NEXT3:
    MOV AX,DATA
    MOV DS,AX
    
    MOV CX,5
    MOV AX,BX
    MOV BX,10
    MOV DI,OFFSET RESULT+4
    
LP1:XOR DX,DX
	DIV BX
	OR	DL,30H
	MOV BYTE PTR[DI],DL
	DEC DI
	LOOP LP1
	MOV DX,OFFSET RESULT
	JMP NEXT1
EXIT:
	CRLF
	MOV DX,OFFSET MEG
	MOV AH,9
	INT 21H
	CRLF
	JMP NEXT1
RETU:
	RET
ZHUAN ENDP
    MOV AH,4CH
    INT 21H
CODE ENDS
    END START