[分享]汇编实验二加法

nicekin

data &nbsp; &nbsp;&nbsp; &nbsp;SEGMENT<br>
data1 &nbsp; &nbsp; DB'72355+'<br>
8 w& k" {2 k( }) t: [2 q, Bdata2 &nbsp; &nbsp; DB'45664= '<br>
; c4 \3 U# ~, K4 S+ F; S$ zdata3 &nbsp; &nbsp; DB 6 DUP(?),'$'<br>
" j3 f- l* |# u2 Bdata &nbsp; &nbsp;&nbsp; &nbsp;ENDS<br>
code &nbsp; &nbsp;&nbsp; SEGMENT<br>
ASSUME CS:code,DS:data<br>
: H: ?5 g- o  r4 y1 b0 P2 Y0 nstart: &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>
* a. \# a- e; o% {& L7 Hl1: &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>
( k: j7 {' Z1 X8 ^8 Pl2: &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; MOV [data3-1],31h<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; JMP l22<br>
* ^0 r6 y. g- f1 il21: &nbsp; &nbsp;&nbsp; &nbsp;MOV [data3-1],20h<br>
$ I1 L) ~" ?2 f6 W3 P3 rl22: &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>
+ c0 a: V+ u6 W* [code &nbsp; &nbsp; ENDS<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; END start <br>
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nicekin

附加题:<br>
data SEGMENT<br>
" Y! R% U4 q& `% A# c7 A' rdata1 DB ' 12345',10,13,'+'<br>
! _1 N9 c" [  m" Y7 q# G, Sdata2 DB '67890',10,13,'------',10,13,' '<br>
data3 DB 6 DUP(?),'$'<br>
data ENDS<br>
code SEGMENT<br>&nbsp; &nbsp; &nbsp;ASSUME CS:code,DS:data<br>
8 A5 |; F: w: h/ f/ g1 A; ^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>
d1: &nbsp; &nbsp; MOV &nbsp;[data3-1],20h<br>
d2: &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>
code &nbsp; &nbsp;ENDS<br>&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;END start<br>
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