Created
March 15, 2013 08:03
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#include <stdio.h> | |
void displayOptions(char *name){ | |
printf("\r\nUsage: %s word1 word2\r\n",name); | |
} | |
void printfb(unsigned int w){ | |
int i; | |
for(i=31;i>-1;i--){ | |
if(w >= (1<<i)){ | |
printf("1 "); | |
w -= 1<<i; | |
}else{ | |
printf("0 "); | |
} | |
} | |
} | |
void printd(unsigned int w1,unsigned int w2){ | |
int i; | |
unsigned int diff = w1^w2; | |
//TODO: use printfb | |
for(i=31;i>-1;i--){ | |
if(diff >= (1<<i)){ | |
printf("| "); | |
diff -= 1<<i; | |
}else{ | |
printf(" "); | |
} | |
} | |
} | |
void printbitnumber(){ | |
int i; | |
for(i=31;i>-1;i--){ | |
printf("%2d ",i); | |
} | |
} | |
int main(int argc,char **argv) | |
{ | |
unsigned int w1,w2; | |
if(argc<3){ | |
displayOptions(argv[0]); | |
return 0; | |
} | |
w1 = strtoul(argv[1],NULL,0); | |
w2 = strtoul(argv[2],NULL,0); | |
printf("\r\n "); | |
printbitnumber(); | |
printf("\r\nword1 0x%08X ",w1); | |
printfb(w1); | |
printf("\r\n"); | |
printf(" "); | |
printd(w1,w2); | |
printf("\r\nword2 0x%08X ",w2); | |
printfb(w2); | |
printf("\r\n"); | |
printf(" "); | |
printbitnumber(); | |
printf("\r\n\r\n"); | |
} |
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