/*
 * $Id: asm.h,v 1.1 1995/12/12 16:21:39 alex Exp alex $
 *
 * This file is part of Commodore 64 emulator.
 * See README for copyright notice
 *
 * Error codes and messages used in asm.c and
 * control codes for both asm and mon.
 *
 * Written by
 *   Vesa-Matti Puro (vmp@lut.fi)
 *
 *
 * $Log: asm.h,v $
 * Revision 1.1  1995/12/12 16:21:39  alex
 * Initial revision
 *
 * Revision 1.8  1994/12/12  16:59:44  jopi
 * Added a few error messages
 *
 * Revision 1.7  1994/08/10  18:34:13  jopi
 * More changeability
 *
 * Revision 1.6  1994/06/16  17:19:26  jopi
 * Code reorganized and cleaned up
 *
 * Revision 1.5  1994/01/26  16:08:37  jopi
 * X64 version 0.2 PL 1
 *
 * Revision 1.4  1993/11/10  01:55:34  jopi
 * reu, asm and disk directory fixed
 * REL_ADDR macro and 1541 made more portable
 *
 * Revision 1.3  93/06/21  13:38:00  jopi
 *  X64 version 0.2 PL 0
 *
 * Revision 1.2  1993/06/13  08:19:36  sonninen
 * *** empty log message ***
 *
 *
 */

#ifndef X64_ASM_H
#define X64_ASM_H


#define NUM_OF_MNEMS	56
#define TOTAL_CODES	256
#define MAXARG		19	/* command + addr + 16 bytes + 1 */

 /* optimise searching a little */
#define OP_MNEM_SPC	0x04

#define OP_IMPL_MIN	0x00
#define OP_IMPL_MAX	0xfa
#define OP_IMPL_SPC	0x02

#define OP_IMM_MIN	0x09
#define OP_IMM_MAX	0xeb
#define OP_IMM_SPC	0x01	/* not used */

#define OP_ACCU_MIN	0x0a
#define OP_ACCU_MAX	0x6a
#define OP_ACCU_SPC	0x20

#define OP_ABS_MIN	0x0c
#define OP_ABS_MAX	0xff
#define OP_ABS_SPC	0x04


 /* Symbol definitions */

#define SYMBOL_BYTE	1
#define SYMBOL_WORD	2
#define SYMBOL_FOUND	16
#define SYMBOL_SET	32
#define SYMBOL_VALID	64

#define SYMBOL_MAX_CHARS 8
	/* For portability, labels should be 6 characters or less. */


 /*
  * Define 'mode'
  */

#define MODE_HEX	 1
#define MODE_SYMBOL	 2
#define MODE_QUOTE	 4
#define MODE_MON	(1 << 5)
#define MODE_ASM	(1 << 6)
#define MODE_INF	(1 << 7)
#define MODE_OUTF	(1 << 8)
#define MODE_QUIET	(1 << 9)
#define MODE_VERBOSE	(1 << 10)
#define MODE_QUERY	(1 << 12)
#define MODE_SPACE	(1 << 13)	/* space terminates calculation (MON) */


 /*
  * Error messages
  */

#define ERRORS_TO_STOP	20	/* screenfull on terminal */

#define E_OK			0

 /* Warnings */

#define E_UNDOCUMENTED		(-1)
#define E_SIZE			(-2)
#define E_LARGE_VALUE		(-3)
#define E_LONG_NAME		(-4)
#define E_FORWARD_REF		(-5)

 /* Errors */
#define E_ERROR			(-64)	/* General error */

/* Line Syntax */
#define E_SYNTAX		(E_ERROR)
#define E_PARSE_ERROR		(E_ERROR -1)
#define E_TOO_MANY_ERRORS	(E_ERROR -2)

/* Assembler */
#define E_BAD_IDENTIFIER	(E_ERROR -8)
#define E_BAD_DIRECTIVE		(E_ERROR -9)
#define E_SYMBOL_UNDEFINED	(E_ERROR -10)
#define E_SYMBOL_REDEF		(E_ERROR -11)
#define E_PC_DECREMENT		(E_ERROR -12)

/* Mnemonic */
#define E_BAD_MNEM		(E_ERROR -16)
#define E_LONG_BRANCH		(E_ERROR -17)
#define E_MISSING_OPER		(E_ERROR -18)

/* Operand Syntax */
#define E_PARAMETER_SYNTAX	(E_ERROR -24)
#define E_TOO_MANY_COMMAS	(E_ERROR -25)
#define E_RIGHT_PARENTHESIS	(E_ERROR -26)
#define E_LEFT_PARENTHESIS	(E_ERROR -27)
#define E_PARENTHESIS		(E_ERROR -28)

#define E_MIXED_XY		(E_ERROR -30)
#define E_MISSING_XY		(E_ERROR -31)
#define E_BAD_INDEX		(E_ERROR -32)



 /* Warnings */
#define EM_UNDOCUMENTED		"Undocumented opcode used"
#define EM_SIZE			"Operand length changed"
#define EM_LARGE_VALUE		"Value too large"
#define EM_LONG_NAME		"Symbol name too long"
#define EM_FORWARD_REF		"Forward reference"

 /* Errors */
#define EM_SYNTAX		"Syntax error"
#define EM_PARSE_ERROR		"Parse error: I don't get it."
#define EM_TOO_MANY_ERRORS	"Keep your filthy fingers off here!"

#define EM_BAD_IDENTIFIER	"Identifier error"
#define EM_BAD_DIRECTIVE	"Unrecognised directive"
#define EM_SYMBOL_UNDEFINED	"Undefined symbol"
#define EM_SYMBOL_REDEF 	"Symbol redefined"
#define EM_PC_DECREMENT		"PC decrement"

#define EM_BAD_MNEM		"Illegal mnemonic"
#define EM_LONG_BRANCH		"Branch out of range"
#define EM_MISSING_OPER		"Operand missing"

#define EM_PARAMETER_SYNTAX 	"Parameter syntax error"
#define EM_TOO_MANY_COMMAS  	"Too many commas found"
#define EM_RIGHT_PARENTHESIS	"Too many right parenthesis, 1 is maximum"
#define EM_LEFT_PARENTHESIS 	"Too many left parenthesis, 1 is maximum"
#define EM_PARENTHESIS	    	"Not equally right and left parenthesis"

#define EM_MIXED_XY         	"Indirect mode indexed both X and Y"
#define EM_MISSING_XY		"Index register missing"
#define EM_BAD_INDEX		"Index register must be X or Y"


#endif  /* X64_ASM_H */