#include <stdlib.h>
#include <stdio.h>
#include <iostream.h>
#include <math.h>
#include <string.h>


void write_file(char *filename, int channel,int value)
{
  int check;
  FILE *fp;

  fp=fopen(filename,"wb");
//header info
  putc(0xf0,fp);
  putc(0x41,fp);
  putc(0x10,fp);
  putc(0x42,fp);
//commnad
  putc(0x12,fp);
//data address
  putc(0x40,fp);
  putc(0x10+channel,fp);
  putc(0x16,fp);
//data itself
  putc(value,fp);
//checksum
  check=256-(0x40+0x16+0x10+channel+value);
  putc(check,fp);
//end of sysx marker....
  putc(0xf7,fp);
  fclose(fp);
}


main()
{
  char filename[15]="key";
  char target[15]="";
  int channel,value;
  for(int i=1; i<17;i++)
  {
    channel=i;
    if(i==10)
      channel=0;
    if(i>10)
      channel=i-1;
    for(value=0x28; value<=0x58; value+=4)
    {
      strcpy(filename,"");
      strcat(filename,itoa(i,target,10));
      strcat(filename,"key");
      if((value-64)<0)
	strcat(filename,"n");
      else
	strcat(filename,"p");
      strcat(filename,itoa((abs(value-64)),target,10));
      strcat(filename,".syx");
      cout<<filename<<'\n';
      write_file(filename,channel,value);
    }
  }
}