输出年月日的问题
<P>要求输入年月日,并输出.若输入错误则提示错误信息<BR>下面是我编的程序,但是调试不出来,望高手帮我看看,谢谢了<BR>DATAS SEGMENT<BR>DATA1 DB 'INPUTERORR','$';此处输入数据段代码 <BR>DATA2 DB 'YOU INPUT THE DATE IS ',13,10<BR>DATA3 DB 4 DUP(?),'-'<BR>DATA4 DB 2 DUP(?),'-'<BR>DATA5 DB 2 DUP(?),'$'<BR>A1 DB 'please input the year:',13,10,'$'<BR>B1 db 'please input the month:',13,10,'$'<BR>C1 db 'please input the data:',13,10,'$'<BR>DATAS ENDS</P><P>STACKS SEGMENT<BR> ;此处输入堆栈段代码<BR>STACKS ENDS</P>
<P>CODES SEGMENT<BR> ASSUME CS:CODES,DS:DATAS,SS:STACKS<BR>START:<BR> MOV AX,DATAS<BR> MOV DS,AX<BR> MOV CX,0FFFH<BR> XL:MOV DL,7<BR> MOV AH,2<BR> INT 21H<BR> LOOP XL<BR> <BR> LEA SI,DATA3<BR> LEA DX,A1<BR> MOV AH,9<BR> INT 21H<BR> Y: MOV CX,4<BR> MOV AH,1 <BR> INT 21H<BR> MOV [SI],AL<BR> INC SI<BR> LOOP Y<BR> <BR> LEA DX,B1<BR> MOV AH,9<BR> INT 21H<BR> LEA SI,DATA4<BR> MOV CX,2<BR> M: MOV AH,1<BR> INT 21H<BR> MOV [SI],AL<BR> INC SI<BR> LOOP M<BR> LEA SI,DATA4<BR> MOV AL,[SI]<BR> CMP AL,'0'<BR> JZ M1<BR> CMP AL,'1'<BR> JZ M2<BR> JMP MISS<BR> M1:INC SI<BR> MOV AL,[SI]<BR> CMP AL,'1'<BR> JZ D1<BR> CMP AL,'2'<BR> JZ D3<BR> CMP AL,'3'<BR> JZ D1<BR> CMP AL,'4'<BR> JZ D2<BR> CMP AL,'5'<BR> JZ D1<BR> CMP AL,'6'<BR> JZ D2<BR> CMP AL,'7'<BR> JZ D1<BR> CMP AL,'8'<BR> JZ D1<BR> CMP AL,'9'<BR> JZ D2<BR> JMP MISS<BR> M2:INC SI<BR> MOV AL,[SI]<BR> CMP AL,'0'<BR> JZ D1<BR> CMP AL,'1'<BR> JZ D2<BR> CMP AL,'2'<BR> JZ D1<BR> JMP MISS<BR> <BR>D1: LEA DX,C1<BR> MOV AH,9<BR> INT 21H<BR> LEA SI,DATA5<BR> MOV CX,2<BR> DN:MOV AL,1<BR> INT 21H<BR> MOV [SI],AL<BR> INC SI<BR> LOOP DN<BR> LEA SI,DATA5<BR> MOV AL,[SI]<BR> CMP AL,'0'<BR> JZ Q1<BR> CMP AL,'1'<BR> JZ Q2<BR> CMP AL,'2'<BR> JZ Q2<BR> CMP AL,'3'<BR> JZ Q3<BR> JMP MISS<BR> <BR> D2:LEA DX,C1<BR> MOV AH,9<BR> INT 21H<BR> LEA SI,DATA5<BR> MOV CX,2<BR> DN1:MOV AL,1<BR> INT 21H<BR> MOV [SI],AL<BR> INC SI<BR> LOOP DN1<BR> LEA SI,DATA5<BR> MOV AL,[SI]<BR> CMP AL,'0'<BR> JZ Q1<BR> CMP AL,'1'<BR> JZ Q2<BR> CMP AL,'2'<BR> JZ Q2<BR> CMP AL,'3'<BR> JZ Q4<BR> JMP MISS<BR> <BR> D3:LEA DX,C1<BR> MOV AH,9<BR> INT 21H<BR> LEA SI,DATA5<BR> MOV CX,2<BR>DN2:MOV AL,1<BR> INT 21H<BR> MOV [SI],AL<BR> INC SI<BR> LOOP DN2<BR> LEA SI,DATA5<BR> MOV AL,[SI]<BR> CMP AL,'0'<BR> JZ Q1<BR> CMP AL,'1'<BR> JZ Q2<BR> CMP AL,'2'<BR> JZ Q5<BR> JMP MISS<BR> <BR> <BR> <BR> Q1:INC SI<BR> MOV AL,[SI]<BR> CMP AL,'1'<BR> JB MISS<BR> CMP AL,'9'<BR> JA MISS<BR> JMP WANC<BR> Q2:INC SI<BR> MOV AL,[SI]<BR> CMP AL,'0'<BR> JB MISS<BR> CMP AL,'9'<BR> JA MISS<BR> JMP WANC<BR> Q3:INC SI<BR> MOV AL,[SI]<BR> CMP AL,'0'<BR> JB MISS<BR> CMP AL,'1'<BR> JA MISS<BR> JMP WANC<BR> Q4:INC SI<BR> MOV AL,[SI]<BR> CMP AL,'0'<BR> JNZ MISS<BR> JMP WANC<BR> Q5:INC SI<BR> MOV AL,[SI] <BR> CMP AL,'0'<BR> JB MISS<BR> CMP AL,'8'<BR> JA MISS<BR> JMP WANC <BR> <BR> <BR> <BR> <BR> WANC:LEA DX,DATA2<BR> MOV AH,9<BR> INT 21H<BR> JMP JSH <BR> <BR>MISS:LEA DX,DATA1<BR> MOV AH,9<BR> INT 21H<BR> JMP XL <BR> <BR> JSH:MOV AH,4CH<BR> INT 21H<BR>CODES ENDS<BR> END START</P>
还是比较喜欢看注释加小写地[em12]
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