.GLOBAL	OFREE,OBJLST,BAKLST,BAK2LST,DISPLAYON,SCRNRELV
	.GLOBAL	OINIT,GETOBJ,INSOBJ,DELOBJ,DISPLAY,ADDOBJ,KILOBJ,OBJSTR,DISPH
	.GLOBAL	ANI,STFOBJ,MAKOBJ,SCRTST,SCRTSTG,GSAGOF,GANIOF
	.GLOBAL	YZSORT,INSB2OBJ,INSBOBJ,DELB2OBJ,DELBOBJ,KILB2OBJ,KILBOBJ
	.GLOBAL	PULLB2OBJ,PULLBOBJ,PULLOBJ,GANISAG,ADJSTWTL,CLIPOBJ
	.GLOBAL	QDMA,QDMAN,SHADJUMP,GETANIXY,ANI2,SHADST2,SHADCPY,SHADCPY2
	.GLOBAL	SCROLLX,SCROLLY,WORLDTLX,WORLDTLY,WORLDTL,BAK2TLX,BAK2TLY
	.GLOBAL	SCRNTL,SCRNLR,GSCRNREL,ADJNEWTL,DELSOBJ,DELSHAD,SHADST
	.GLOBAL OBJSTR,SCREENTL,SCREENLR,QSYNC,DMAQCUR,DMAQCNT
	.GLOBAL BOTQ0CNT,BOTQ1CNT,TOPQ0CNT,TOPQ1CNT,BOTQ0FLG,BOTQ1FLG
	.GLOBAL TOPQ0FLG,TOPQ1FLG,BOTQ0,BOTQ1,TOPQ0,TOPQ1,STOPOBJS
	.GLOBAL	FREEOBJ,FREESOBJ,FREEOBJE,PULLSOBJ,INSSOBJ
	.GLOBAL	PIXQHEAD,PIXQTAIL,PIXQVAL,SHADUPD,SHADUPD2,EXISTOBJ,DMAINT
	.GLOBAL	DISPQT
*
*GLOBALS CONNECTED TO NARC
	.GLOBAL	DFRMGRND,CURPAL,PIXQADD,DUMCOLL,ERRORLOG,BULLRET1,BULLRET2
*
*CONSTANTS
*
SCRNST	.SET	[80,0]	 	;TOP LEFT OF SCREEN
SCRNEND .SET	[400,512]	;BOTTOM RIGHT OF SCREEN
SCRNMID	.SET	[255,256]	;MIDPOINT OF SCREEN

SHADID	.EQU	>0FFF		;SHADOWS ARE HIGH PRI
*
*	OBJECT BLOCK LAYOUT
*
OLINK	.SET   	0   	; 32 BIT Link to next object block
OSLINK	.SET	20H	; 32 BIT SPECIAL LINK TO OBJECTS IN CLASS
OXVEL	.set   	40h    	; 32 BIT X VELOCITY 16.16		 
OYVEL	.set   	60h   	; 32 BIT Y VELOCITY 16.16		 
OXVAL	.set   	80h	; 32 BIT X POSITION
OXFRAC	.set   	80h	;   Fractional portion of X position	 
OXPOS	.set   	90h	;   Integer portion of X position
OYVAL	.set   	0A0h   	; 32 BIT Y POSITION			 
OYFRAC	.set   	0A0h   	;   Fractional portion of Y position
OYPOS	.SET   	0B0h   	;   Integer portion of Y position
OZVAL	.SET	0C0H	; 32 BIT Z POSITION
OZPOS	.SET   	0D0h   	; INTEGER Z position of object	   	
OZVEL	.set   	0E0h   	; 32 BIT Z VELOCITY 
OFLAGS	.set   	100H   	; 32 BIT bits 0 - 5 DMA CONTROL; B16-31= OFFSET PRECOMPUTED
OFSET	.SET	110H	;   PRECOMPUTED OFFSET
OSAG	.SET   	120H   	; 32 BIT SOURCE ADDRESS (UNCLIPPED, ADJUSTED FOR FLIPS)
OSIZE	.SET   	140H	; 32 BIT H,W OF OBJECT (16,16)	W=ADJUSTED FOR MORSEL
OSIZEX	.EQU	140H	;X SIZE
OSIZEY	.EQU	150H	;Y SIZE
OPAL	.set   	160h   	; 32 BIT B(0-15) PALETTE; B(16-31) CONSTANT COLOR
OCONST	.SET	170H	; CONSTANT COLOR
OIMG	.set   	180h   	; 32 BIT Pointer to image data table	
OID	.set   	1A0H   	; 16 BIT Object ID			
OZSIZ	.SET   	1B0H 	; 32 BIT Z THICKNESS   
OZMINUS	.SET   	1B0H 	;   Thickness along minus Z
OZPLUS	.SET   	1C0H 	;   Thickness along plus  Z
OCVECT	.set   	1D0H   	; 32 BIT Link to collision handler     
OPLINK	.set   	1F0H   	; 32 BIT Link to controlling process   
ODMAXY	.SET	210H	; 32 BIT SCREEN COORD OF OBJECT
ODMAX	.EQU	210H	;X COORDINATE
ODMAY	.EQU	220H	;Y COORDINATE
OXCLIP	.SET	230H	;16 BIT TOTAL X PRECLIP
OSHAD	.SET	240H	;32 BIT SHADOW LINK
OBLIPIMG .SET	260H	;PTR TO SCANNER BLIP IMAGE
OEBLIP	.SET	280H	;[Y,X] LOCATION OF PREVIOUS SCANNER BLIP, 0 = NONE
OBSIZ	.SET   	2A0H   	; Object Block Size
NOBJ	.SET   	384   	; OBJECTS TO DISPLAY
*
BQCELL	.SET	>A0 	;SIZE OF DMA QUEUE ELEMENT
***********************
*  Values for OFLAGS  *
***********************
M_WRZERO 	.set      1	;Write Zero Data
M_WRNONZ 	.set  	  2    	;Write Non-Zero Data
M_CONZER 	.set  	  4    	;Replace Zero Data with constant
M_CONNON 	.set  	  8    	;Replace Non-Zero Data with constant
M_CONST		.set   	 >C    	;any constant data replacement
M_FLIPH		.set   	>10   	;Flip Horizontally 
M_FLIPV		.set   	>20   	;Flip Vertically 
M_NODIS		.set   >100   	;Ignore this entry
M_PZPLUS	.EQU   >200	;TAKE Z VALUE FROM RAM LOC. PREVZ AND ADD 1		
M_PIXSCAN 	.EQU   >400	;IF=1 O.K. TO PIXEL SCAN WITH THIS OBJECT
M_NOCOLL 	.EQU   >800	;IF=1 OBJECT NOT COLLIDABLE
M_PREVZ		.SET  >1000	;TAKE Z VALUE FROM RAM LOC. PREVZ
M_NOMOV		.set  >2000  	;Do not add velocities
*
*BIT POSITIONS FOR OFLAGS
B_WRZERO	.set   	0
B_WRNONZ	.set   	1
B_CONZER	.set   	2
B_CONNON	.set   	3
B_FLIPH		.set  	4
B_FLIPV		.set  	5
B_NODIS		.set  	8
B_PZPLUS	.EQU	9
B_PIXSCAN	.EQU	10	
B_NOCOLL	.EQU	11
B_PREVZ		.SET	12
B_NOMOV		.set  	13