IFND	HARDWARE_BLIT_I
HARDWARE_BLIT_I	EQU	1
**
**	$Filename: hardware/blit.i $
**	$Release: 1.3 $
**
**	
**
**	(C) Copyright 1985,1986,1987,1988 Commodore-Amiga, Inc.
**	    All Rights Reserved
**

	STRUCTURE	bltnode,0
	LONG	bn_n
	LONG	bn_function
	BYTE	bn_stat
	BYTE	bn_dummy
	WORD	bn_blitsize
	WORD	bn_beamsync
	LONG	bn_cleanup
	LABEL	bn_SIZEOF

* bit defines used by blit queuer
CLEANMEn	equ	6
CLEANME	equ	1<<CLEANMEn

* include file for blitter */
HSIZEBITS	equ	6
VSIZEBITS	equ	16-HSIZEBITS
HSIZEMASK	equ	$3f	      /* 2^6 -- 1 */
VSIZEMASK	equ	$3FF	      /* 2^10 - 1 */

MAXBYTESPERROW	EQU	128

* definitions for blitter control register 0 */

ABC	equ	$80
ABNC	equ	$40
ANBC	equ	$20
ANBNC	equ	$10
NABC	equ	$8
NABNC	equ	$4
NANBC	equ	$2
NANBNC	equ	$1

BC0B_DEST	equ	8 
BC0B_SRCC	equ	9 
BC0B_SRCB	equ	10 
BC0B_SRCA	equ	11 
BC0F_DEST	equ	$100
BC0F_SRCC	equ	$200
BC0F_SRCB	equ	$400
BC0F_SRCA	equ	$800

BC1F_DESC	equ	2

DEST	equ	$100
SRCC	equ	$200
SRCB	equ	$400
SRCA	equ	$800

ASHIFTSHIFT	equ	12 /* bits to right align ashift value */
BSHIFTSHIFT	equ	12 /* bits to right align bshift value */

* definations for blitter control register 1 */
LINEMODE	equ	$1
FILL_OR	equ	$8
FILL_XOR	equ	$10
FILL_CARRYIN	equ	$4
ONEDOT	equ	$2
OVFLAG	equ	$20
SIGNFLAG	equ	$40
BLITREVERSE	equ	$2

SUD	equ	$10
SUL	equ	$8
AUL	equ	$4

OCTANT8	equ	24
OCTANT7	equ	4
OCTANT6	equ	12
OCTANT5	equ	28
OCTANT4	equ	20
OCTANT3	equ	8
OCTANT2	equ	0
OCTANT1	equ	16

	ENDC	; HARDWARE_BLIT_I