[分享]汇编实验二加法

nicekin

data &nbsp; &nbsp;&nbsp; &nbsp;SEGMENT<br>
7 E: F/ v$ A; L; mdata1 &nbsp; &nbsp; DB'72355+'<br>
data2 &nbsp; &nbsp; DB'45664= '<br>
data3 &nbsp; &nbsp; DB 6 DUP(?),'$'<br>
data &nbsp; &nbsp;&nbsp; &nbsp;ENDS<br>
* z. ~! s" ]7 \4 ]code &nbsp; &nbsp;&nbsp; SEGMENT<br>
% n0 u2 X- j* Q+ VASSUME CS:code,DS:data<br>
$ ~; p# {: p' U; Vstart: &nbsp; &nbsp; MOV AX,data<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; MOV DS,AX<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; LEA SI,data1<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; LEA DI,data2<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; LEA BX,data3<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; MOV CX,5<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; CLC<br>
l1: &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; MOV AL,[SI+4]<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; ADC AL,[DI+4]<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; AAA<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; PUSHF<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; ADD AL,30h<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; POPF<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; MOV [BX+4],AL<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; DEC SI<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; DEC DI<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; DEC BX<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; LOOP l1<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; JNC l21<br>
l2: &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; MOV [data3-1],31h<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; JMP l22<br>
/ e  A$ L1 F0 v: F: x" V+ @l21: &nbsp; &nbsp;&nbsp; &nbsp;MOV [data3-1],20h<br>
2 y$ K& I& r; c  S3 P4 `l22: &nbsp; &nbsp;&nbsp; &nbsp;MOV DX,OFFSET data1<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; MOV AH,09h<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; INT 21h<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; MOV AH,4ch<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; INT 21h<br>
) A2 o9 [2 x* _, Xcode &nbsp; &nbsp; ENDS<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; END start <br>

nicekin

附加题:<br>
data SEGMENT<br>
data1 DB ' 12345',10,13,'+'<br>
/ K+ [* J2 S: ?( a/ a- `data2 DB '67890',10,13,'------',10,13,' '<br>
7 v- X  C  @- C' Qdata3 DB 6 DUP(?),'$'<br>
6 n/ J! Y& Y' g& _$ i' [data ENDS<br>
code SEGMENT<br>&nbsp; &nbsp; &nbsp;ASSUME CS:code,DS:data<br>
* P7 S6 [$ P* ^start: &nbsp;MOV AX,data<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;MOV DS,AX<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;LEA SI,data1<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;LEA DI,data2<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;LEA BX,data3<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;CLC<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;MOV CX,5 &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; <br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; <br>
again1: MOV AL,[SI+5]<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;ADC AL,[DI+4]<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;AAA<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;PUSHF<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;ADD AL,30h<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;POPF<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;MOV [BX+4],AL<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;DEC SI<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;DEC DI<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;DEC BX<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;LOOP again1<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;JNC &nbsp;d1 &nbsp; &nbsp;&nbsp; &nbsp;<br>
d0: &nbsp; &nbsp; MOV &nbsp;[data3-1],31h<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;JMP &nbsp;d2 &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;<br>
/ s+ R6 u1 a8 e& e$ j( N4 Wd1: &nbsp; &nbsp; MOV &nbsp;[data3-1],20h<br>
% V' d+ \: t1 B! n5 a" I& Nd2: &nbsp; &nbsp; MOV &nbsp;DX,OFFSET data1<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;MOV &nbsp;AH,09h<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;INT &nbsp;21h<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;MOV &nbsp;AH,4ch<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;INT &nbsp;21h<br>
& Q, B" Y+ e2 p$ S- T" D) Rcode &nbsp; &nbsp;ENDS<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;END start<br>
! w9 A# \" K7 F

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