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发表于 2005-4-26 11:20:00
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附加题:<br># j! j/ \6 L2 R
data SEGMENT<br>
7 J; k6 b0 V- u% e; B. e) Q5 z- x; idata1 DB ' 12345',10,13,'+'<br>8 K4 z/ W! q. |1 }& ^! p
data2 DB '67890',10,13,'------',10,13,' '<br>( Q6 w& I/ }% ^6 c5 S3 Q, x
data3 DB 6 DUP(?),'$'<br>
* N7 C4 K1 g; ?) ~" V6 f6 Ddata ENDS<br>
; G- R& g2 M. E# F7 L ocode SEGMENT<br> ASSUME CS:code,DS:data<br>
; z5 |% s/ E6 A' K- L) ~start: MOV AX,data<br> MOV DS,AX<br> LEA SI,data1<br> LEA DI,data2<br> LEA BX,data3<br> CLC<br> MOV CX,5 <br> <br>6 F* w" M5 M1 e/ l' P8 c
again1: MOV AL,[SI+5]<br> ADC AL,[DI+4]<br> AAA<br> PUSHF<br> ADD AL,30h<br> POPF<br> MOV [BX+4],AL<br> DEC SI<br> DEC DI<br> DEC BX<br> LOOP again1<br> JNC d1 <br>
6 @/ U+ l: `- O# u3 _* Gd0: MOV [data3-1],31h<br> JMP d2 <br>
- ` s8 O _9 Bd1: MOV [data3-1],20h<br>
3 D1 k: i7 j3 G/ [8 Ud2: MOV DX,OFFSET data1<br> MOV AH,09h<br> INT 21h<br> MOV AH,4ch<br> INT 21h<br>4 w7 s. A% U+ Y% h" H6 [
code ENDS<br> END start<br>4 ]6 w; `& O3 W2 g5 F+ n
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