#include <stdio.h>

typedef enum ltype {BLANK, COMMENT, DEFINE, LABEL, COMMAND_OPER,
     COMMAND_NOOPER, ILLEGAL, ADDRESS, AT_ADDRESS, DFB, DFW, DFL,
     DFM} LineType;

typedef enum addtype {LAB, IMM, ABS, ZP, INDX, INDY, ZPX, 
     ABSX, ABSY, IND, ACC, REL, IMP, ZPY} AddressingType;

typedef struct optype {
   char orig[80];
   char formatted[80];
   char label[80];
   long value;
   AddressingType addtype;
   char addtype_text[20];
} OperandType;

typedef struct label_node {
   char name[30];
   long value;
   struct label_node *next;
} Label_Node;

typedef struct command_node {
   char name[4];
   unsigned char modes[14];
   struct command_node *next;
} Command_Node;

/* link.c */
Label_Node *create_label_list();
Command_Node *create_mnemonic_list();
void add_label_element(Label_Node *node, char [], long value);
void add_mnemonic_element(Command_Node *node, char [], unsigned char *mode);
long find_label_element(Label_Node *node, char []);
unsigned char *find_mnemonic_element(Command_Node *node, char []);

/* formatop.c */
OperandType format_operand (OperandType operand, Label_Node *, int, int);
int get_value (OperandType *, char string[], Label_Node *, int, int);

/* Branch.c */
void do_branch (long, OperandType *, Label_Node *, int, int);

/* interpret.c */
void interpret (unsigned char *, OperandType *, AddressingType, long, unsigned char[]);

/* preload.c */
void read_mnemonics(char *, Command_Node *);
void read_labels(char *, Label_Node *);

/* Assemble.c */
int assemble (FILE *, long *, long *, long, int, int, unsigned char *, Label_Node *, Command_Node *);

/* Main.c */
int do_labels (Label_Node *, char[], long);
LineType GetLineType (char [], char[], char, int);
int getline(char [], int);
void print_info (OperandType, int, long, char[], unsigned char[]);
void print_hex (long, unsigned char *, int);
char getfirstchar (char[]);
void showhelp();