/*------------------------------------------------------------------*/
/*								    */
/*		      MC68000 Cross Assembler			    */
/*								    */
/*	       Copyright (c) 1985 by Brian R. Anderson		    */
/*								    */
/*		  #define statements - May 31, 1987		    */
/*								    */
/*   This program may be copied	for personal, non-commercial use    */
/*   only, provided that the above copyright notice is included	    */
/*   on	all copies of the source code.	Copying	for any	other use   */
/*   without the consent of the	author is prohibited.		    */
/*								    */
/*------------------------------------------------------------------*/
/*								    */
/*		Originally published (in Modula-2) in		    */
/*	    Dr.	Dobb's Journal, April, May, and June 1986.          */
/*								    */
/*	AmigaDOS conversion copyright (c) 1987 by Charlie Gibbs.    */
/*								    */
/*------------------------------------------------------------------*/

#define	TRUE  1
#define	FALSE 0

/* Assembler configuration parameters */
#define	MAXLINE	 128	/* Longest source line */
#define	MAXFN	 41	/* Maximum length of file name */
#define	MAXSREC	 16	/* Maximum S-record data length	*/
#define	MAXREF	 4	/* Number of line numbers in reference entry */
#define	DEFHEAP	 32768	/* Default size	for main heap */
#define	DEFHEAP2 1024	/* Default size	for secondary heap */
#define	ObjMAX	 30	/* Max.	hex object code	digits in listing */

/* Hunk	number definitions */
#define	HunkNone 0	/* Not in a hunk */
#define	HunkUnit 999
#define	HunkName 1000
#define	HunkCode 1001
#define	HunkData 1002
#define	HunkBSS	 1003
#define	HunkR32	 1004
#define	HunkR16	 1005
#define	HunkR8	 1006
#define	HunkExt	 1007
#define	HunkSym	 1008
#define	HunkDbg	 1009
#define	HunkEnd	 1010

#define	MEMF_FAST 0x80000000L	/* Hunk	must load in FAST memory */
#define	MEMF_CHIP 0x40000000L	/* Hunk	must load in CHIP memory */

/* Hunk	numbers	denoting special symbol	attributes */
#define	ABSHUNK	32767	/* Absolute */

/* Addressing mode flag	values */
#define	DReg   1   /* Data Register */
#define	ARDir  2   /* Address Register Direct */
#define	ARInd  3   /* Address Register Indirect	*/
#define	ARPost 4   /* Address Register with Post-Increment */
#define	ARPre  5   /* Address Register with Pre-Decrement */
#define	ARDisp 6   /* Address Register with Displacement */
#define	ARDisX 7   /* Address Register with Disp. & Index */
#define	AbsW   8   /* Absolute Short (16-bit Address) */
#define	AbsL   9   /* Absolute Long (32-bit Address) */
#define	PCDisp 10  /* Program Counter Relative,	with Displacement */
#define	PCDisX 11  /* Program Counter Relative,	with Disp. & Index */
#define	Imm    12  /* Immediate	*/
#define	MultiM 13  /* Multiple Register	Move */
#define	SR     14  /* Status Register */
#define	CCR    15  /* Condition	Code Register */
#define	USP    16  /* User's Stack Pointer */
#define	Null   0   /* Error Condition, or Operand missing */

#define	X0   0	   /* Register types */
#define	Dreg 1
#define	Areg 2

#define	S0   0	   /* Size types */
#define	Byte 1
#define	Word 2
#define	S3   3
#define	Long 4

#define	JMP   0x4EC0
#define	JSR   0x4E80
#define	STOP  0x4E72
#define	LINK  0x4E50
#define	SWAP  0x4840
#define	UNLK  0x4E58
#define	NOP   0x4E71
#define	CMPM  0xB108

#define	None	 0	/* Assembler directives	*/
#define	Org	 1
#define	Equ	 2
#define	DC	 3
#define	DS	 4
#define	Even	 5
#define	End	 6
#define	Xdef	 7
#define	Xref	 8
#define	Page	 9
#define	DoList	10
#define	NoList	11
#define	Space	12
#define	Title	13
#define	Cnop	14
#define	Include	15
#define	Set	16
#define	Macro	17
#define	If	18
#define	EndC	19
#define	MacCall	20
#define	Section	21
#define	Idnt	22
#define	DCB	23
#define	Equr	24
#define	Reg	25

/* BITSETs of the modes	MISSING	from effective address modes  */
#define	 ea 0x0000   /*	Effective addressing - all modes */
#define	dea 0x0002   /*	Data effective addressing	 */
#define	mea 0x0003   /*	Memory effective addressing	 */
#define	cea 0x081B   /*	Control	effective addressing	 */
#define	aea 0x0E00   /*	Alterable effective addressing	 */
#define	xxx 0xE000   /*	extra modes: CCR/SR/USP		 */

#define	IN &		/* Simulated BITSET test */

/* AdrModeA bit	definitions */
#define	RegMem3	0x0001	/* 0 = register, 1 = memory */
#define	Ry02	0x0002	/* Register Rx - bits 0-2 */
#define	Rx911	0x0004	/* Register Ry - bits 9-11 */
#define	Data911	0x0008	/* Immediate data - bits 9-11 */
#define	CntR911	0x0010	/* Count register or immediate data */
#define	Brnch	0x0020	/* Relative branch */
#define	DecBr	0x0040	/* Decrement and branch	*/
#define	Data03	0x0080	/* TRAP	vector in 0-3 */
#define	Data07	0x0100	/* Data	in 0-7 (MOVEQ) */
#define	OpM68D	0x0200	/* Data	register in 6-8	*/
#define	OpM68A	0x0400	/* Address register in 6-8 (ADDA/CMPA/SUBA) */
#define	OpM68C	0x0800	/* CMP (Compare) */
#define	OpM68X	0x1000	/* EOR (Exclusive or) */
#define	OpM68S	0x2000	/* EXT (Sign extension)	*/
#define	OpM68R	0x4000	/* MOVEP (Register/memory) */
#define	OpM37	0x8000	/* EXG (Exchange registers) */
#define	TwoOpsA	0xDF4D	/* Two operands	are required */

/* AdrModeB bit	definitions */
#define	Bit811	0x0001	/* Bit operations - bits 8-11 as switch	*/
#define	Size67	0x0002	/* 00 =	byte, 01 = word, 10 = long */
#define	Size6	0x0004	/* 0 = word, 1 = long */
#define	Sz1213A	0x0008	/* 01 =	byte, 11 = word, 10 = long */
#define	Sz1213	0x0010	/* 11 =	word, 10 = long	*/
#define	Exten	0x0020	/* Opcode extension is required	*/
#define	EA05a	0x0040	/* Effective address - all */
#define	EA05b	0x0080	/* All except ARDir */
#define	EA05c	0x0100	/* All except ARDIR and	Imm */
#define	EA05d	0x0200	/* All except PCDisp, PCDisx, and Imm */
#define	EA05e	0x0400	/* All except ARDir, PCDisp, PCDisx, and Imm */
#define	EA05f	0x0800	/* All except Dreg, ARDir, ARPost, ARPre, Imm */
#define	EA05x	0x1000	/* Dual	mode - AND/OR */
#define	EA05y	0x2000	/* Dual	mode - ADD/SUB */
#define	EA05z	0x4000	/* Dual	mode - MOVEM */
#define	EA611	0x8000	/* Eff.	Adr. in	6-11 (used only	by MOVE) */
#define	TwoOpsB	0xF3DD	/* Two operands	are required */
#define	ImmMode	0x0422	/* Immediate instructions */

#define	Dummy	 0	/* Error codes */
#define	TooLong	 1
#define	NoCode	 2
#define	SymDup	 3
#define	Undef	 4
#define	ModeErr	 5
#define	OperErr	 6
#define	BraErr	 7
#define	AddrErr	 8
#define	SizeErr	 9
#define	EndErr	 10
#define	AbsReq	 11
#define	RelErr	 12
#define	ManyIncl 13
#define	NoIncl	 14
#define	FwdRef	 15
#define	NotSFmt	 16
#define	NeedLab	 17
#define	Phase	 18
#define	NoENDM	 19
#define	DCOflo	 20
#define	ManySect 21
#define	NoSecNam 22
#define	WrongTyp 23
#define	DupMac	 24

#define	ERRMAX 10	/* Size	of error message table */