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DANCING DOLL

//#incude<iostream.h> #include<conio.h> # include<dos.h> # include <stdio.h> void interrupt our(); void interrupt (*prev)(); char far *scr =(char far *) 0xB800000L; void main() { unsigned long int far *p; p=(char far *)36; prev=*p; *p=our; keep(0,500); getch(); } void interrupt our() { int i; for(i=0 ;i<=3999;i+=2) { if(*(scr+i)>='A'&& *(scr+i)<='Z') *(scr+i)+=32; else if(*(scr+i)>='a'&& *(scr+i)<='z') *(scr +i)-=32; } (*prev)(); }