#include <stdio.h> 
#include <ctype.h> 
int main(void)
{
    int i,j;
    for (i=0; i<4;i++)printf("Idec hex Char "); 
    printf("\n");
    for (i=0; i<128/4; i++)
    {
        printf("\n");
        for (j=0; j < 128; j + = 128/4)
        {
            printf("%3d %2X ",j,j);
            if (isgraph(j)) printf("%c | ",j); else printf(" . 1");
        }       
    }
}