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1¡¢´ð°¸£º abc: mov ah,1 int 21h cmp al,¡¯a¡¯ jb stop cmp al,¡¯z¡¯ ja stop sub al,20h mov dl,al mov ah,2 int 21h

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jmp abc stop: ret 2¡¢´ð°¸:

datarea segment string1 db ¡®asfioa¡¯ string2 db ¡®xcviyoaf¡¯ mess1 db ¡®MATCH¡¯,¡¯$¡¯ mess2 db ¡®NO MATCH¡¯,¡¯$¡¯ datarea ends prognam segment main proc far assume cs:prognam,ds:datarea start: push ds sub ax,ax push ax mov ax,datarea mov ds,ax mov es,ax begin: mov cx, string2-string1 mov bx, mess1-string2 cmp bx,cx jnz dispno lea dx,addr lea si,string1 lea di,string2 repe cmpsb jne dispno mov ah,9 lea dx,mess1 int 21h ret dispno: mov ah, 9 lea dx, mess2 int 21h ret main endp prognam ends end start 3¡¢´ð°¸: data segment array dw 3 dup(?)

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data ends code segment main proc far assume cs:code,ds:data start: push ds sub ax,ax push ax mov ax,data mov ds,ax mov cx,3 lea si,array begin: push cx mov cl,4 mov di,4 mov dl, ¡® ¡® mov ah,02 int 21h mov dx,0 input: mov ah,01 int 21h and al,0fh shl dx,cl or dl,al dec di jne input mov [si],dx add si,2 pop cx loop begin comp: lea si,array mov dl,0 mov ax,[si] mov bx,[si+2] cmp ax,bx jne next1 add dl,2 next1: cmp [si+4],ax jne next2 add dx,2

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next2: cmp [si+4],bx jne num add dl,2 num: cmp dx,3 jl disp mov dl,3 disp: mov ah,2 add dl,30h int 21h ret

main endp code ends end start 4¡¢´ð°¸: dseg segment a dw ? b dw ? dseg ends cseg segment mainproc far

assume cs:cseg,ds:dseg start:push ds sub ax,ax push ax mov ax,dseg mov ds,ax begin: mov ax,a mov bx,b xor ax,bx test ax,0001 jz class test bx,0001 jz exit xchg bx,a mov b,bx jmp exit class: test bx,0001 jz exit inc b inc a exit: ret

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