#include <stdio.h>
#include <stdlib.h>

FILE *fp, *fq, *fr;

main(int argc,char **argv){
	int i, d, ct, debug=0, mtr=0, address=0;
	unsigned char ss, st[20], mix[120];
	long ctr;
	st[16]=0;
	debug = 1;
	if( argc != 2 ){
		printf("\n... target file name missing (;_;) ...\n\n");
		exit(1);
	}
	if( (fp=fopen( argv[1], "rb" )) == NULL ){
		printf("\n... target file [ %s ] is not found (;_;) ...\n\n", argv[1]);
		exit(1);
	}
	while( (d = fgetc(fp)) >= 0 ){
		if(( address == 0x17 ) && ( d != 0xFF )){
			printf("\n... ID NAGASM missing (;_;) ...\n\n");
			fclose(fp);
			exit(1);
		}
		else if(( address == 0x18 ) && ( d != 0x02 )){
			printf("\n... ID NAGASM missing (;_;) ...\n\n");
			fclose(fp);
			exit(1);
		}
		address++;
	}
	fclose(fp);
	address=0;
	fq=fopen( argv[1], "rb" );
	strcpy( st, "nagasm.txt" );
	fr=fopen( st, "wb" );
	while( (d = fgetc(fq)) >= 0 ){
		if(( address > 25 ) && ( address < 36 )){
			fputc(d,fr);
		}
		else if(( address > 36 ) && ( address < 137 )){
			fputc(d,fr);
		}
		address++;
	}
	fputc(0x20,fr);
	fclose(fq);
	fclose(fr);
	exit(0);
}