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

/********************************************************************
 * Read in mnemonics and put in linked list pointed to by head      *
 ********************************************************************/
void read_mnemonics(char *filename, Command_Node *head)
{
   FILE *f;
   char name[4];
   unsigned char mode[14];
   int i, tmp;
   
   if ((f = fopen(filename, "r")) != NULL)
     {
	fscanf (f, "%s", name);
	while (!feof(f))
	  {
	     for (i=0; i<14; i++)
	       {
		  fscanf (f, "%x", &tmp);
		  mode[i] = (unsigned char) tmp;
	       }
	     add_mnemonic_element (head, name, mode);
	     fscanf (f, "%s", name);
	  }
	fclose (f);
     }
   else
     {
	fprintf (stderr, "Mnemonics definition file not found\n");
	exit (EXIT_FAILURE);
     }
}


/********************************************************************
 * Read in labels and put in linked list pointed to by head         *
 ********************************************************************/
void read_labels(char *filename, Label_Node *head)
{
   FILE *f;
   char name[30];
   long value;
 
   if ((f = fopen(filename, "r")) != NULL)
     {
     	while (!feof(f))
	  {
	     fscanf (f, "%s %lx", name, &value);
	     add_label_element (head, name, value);
       	  }
	fclose (f);
     }
   else
     {
	fprintf (stderr, "Labels definition file not found\n");
	exit (EXIT_FAILURE);
     }
}