#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include"..\lib\7188.h"

void  main()
{
int i,j;
FILE *stream;
char filename[20],tt[20],c1,c2,cc;
char buf[256];

printf("\nfilename=");
scanf("%s",tt);
filename[0]='B';
filename[1]=':';
i=0;
while (tt[i])
      {
      filename[i+2]=tt[i];
      i++;
      }
filename[i+2]=0;
printf("filename=%s",filename);
printf("\nPress ALT-S for Download from PC");
stream=fopen(filename,"wb");

j=0;
for (;;)
    {
    while (kbhit()==0) ;
    i=getch();
    c1=ascii_to_hex(i);
    if (c1<0) break;
    if (c1>15) break;

    while (kbhit()==0) ;
    i=getch();
    c2=ascii_to_hex(i);
    cc=c1*16+c2;
    buf[j]=cc; j++;
    if (j>=256)
       {
       fwrite(buf,1,j,stream);
       j=0;
       }
    putch('0');
    }

if (j>0) fwrite(buf,1,j,stream);
fclose(stream);
}

/* ----------------------------- */

ascii_to_hex(char c)
{
if (c<='9') return(c-'0');
else return(c-'A'+10);
}