asm.h

#ifndef ASM_H
#define ASM_H
/* asm.h: token codes and macros for them. protos.
 * $Id: asm.h,v 1.1 2003/06/06 12:08:39 martinus Exp $
 */

/* This file is part of `exhaust', a memory array redcode simulator.
 * Copyright (C) 2002 M Joonas Pihlaja
 * Public Domain.
 */

#include <stdio.h>

#include "types.h"
/* macros:
 *	is_tok_opcode()		just what it says
 *	is_tok_pseudoop()
 *	is_tok_modifier()
 *	is_tok_mode()		is a token an addressing mode
 */

/*
 * asm_line() exit codes:
 *
 */

#define ASMLINE_PIN -3  /* PIN encountered */
#define ASMLINE_ORG -2  /* ORG encountered */
#define ASMLINE_DONE -1 /* END encountered */
#define ASMLINE_NONE 0  /* nothing to assemble, or something ignored */
#define ASMLINE_OK 1    /* assembled instruction OK */

/*
 * Token codes for the lexer.
 */
enum {
  TOK_FIRST = 256, /* not used */

  TOK_OPCODE_START, /* opcodes */
  TOK_DAT,          /* same order as insn.h opcodes. */
  TOK_SPL,
  TOK_MOV,
  TOK_DJN,
  TOK_ADD,
  TOK_JMZ,
  TOK_SUB,
  TOK_SEQ,
  TOK_SNE,
  TOK_SLT,
  TOK_JMN,
  TOK_JMP,
  TOK_NOP,
  TOK_MUL,
  TOK_MOD,
  TOK_DIV,
  TOK_LDP,
  TOK_STP, /* 18 */
  TOK_OPCODE_STOP,

  TOK_PSEUDOOP_START,
  TOK_ORG, /* pseudo-ops and start label */
  TOK_END,
  TOK_PIN,
  TOK_PSEUDOOP_STOP,

  TOK_MODIFIER_START,
  TOK_mF,
  TOK_mA,
  TOK_mB, /* modifiers */
  TOK_mAB,
  TOK_mBA,
  TOK_mX,
  TOK_mI,
  TOK_MODIFIER_STOP,

  TOK_MODE_START,
  TOK_DIRECT,
  TOK_IMMEDIATE, /* addressing modes */
  TOK_BINDIRECT,
  TOK_BPREDEC,
  TOK_BPOSTINC,
  TOK_AINDIRECT,
  TOK_APREDEC,
  TOK_APOSTINC, /* 8 */
  TOK_MODE_STOP,

  TOK_START,
  TOK_STR,
  TOK_INT, /* string token, int token  */

  TOK_LAST /* sentinel */
};

#define TOK_ERR TOK_FIRST /* unused */

/*
 * Macros to identify a token type from a token code.
 */
#define is_tok_opcode(t) (t > TOK_OPCODE_START && t < TOK_OPCODE_STOP)
#define is_tok_pseudoop(t) (t > TOK_PSEUDOOP_START && t < TOK_PSEUDOOP_STOP)
#define is_tok_modifier(t) (t > TOK_MODIFIER_START && t < TOK_MODIFIER_STOP)
#define is_tok_mode(t) (t > TOK_MODE_START && t < TOK_MODE_STOP)

/*
 * protos
 */
int asm_line(const char *line, insn_t *in, unsigned int CORESIZE, char *tok_buf,
             int *tok_int);
void asm_file(FILE *F, warrior_t *w, unsigned int CORESIZE);
void asm_fname(const char *fname, warrior_t *w, unsigned int CORESIZE);
void dis1(char *s, insn_t in, unsigned int CORESIZE);
void discore(insn_t *core, int start, int end, unsigned int CORESIZE);

#endif /* ASM_H */