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楼主 |
发表于 2005-4-26 11:20:00
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附加题:<br>
6 g* |7 {- ?" i9 Y! r/ Xdata SEGMENT<br>
( ^3 l2 f7 F2 Z2 _data1 DB ' 12345',10,13,'+'<br>. l$ h- K4 E: {9 E1 x% L
data2 DB '67890',10,13,'------',10,13,' '<br>
+ m( _) s' M v* G- adata3 DB 6 DUP(?),'$'<br>7 }* g! i* W: R5 E E+ O
data ENDS<br>. j7 z8 `0 S6 `# @; G
code SEGMENT<br> ASSUME CS:code,DS:data<br> G: z( }* q2 O
start: MOV AX,data<br> MOV DS,AX<br> LEA SI,data1<br> LEA DI,data2<br> LEA BX,data3<br> CLC<br> MOV CX,5 <br> <br>
; H- P: @; J4 Q$ P) Fagain1: 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>
4 `5 z- Y# [2 T; G" Y% `4 ad0: MOV [data3-1],31h<br> JMP d2 <br>
# n/ [2 t& G; u3 ?d1: MOV [data3-1],20h<br>
7 L, ~5 G$ `! I, Z" pd2: MOV DX,OFFSET data1<br> MOV AH,09h<br> INT 21h<br> MOV AH,4ch<br> INT 21h<br># I# j" U# F+ n" j" k
code ENDS<br> END start<br>9 c* Y/ E! H' d- b/ G) }" i P
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