WLMAN.ASM

	.FILE	'WLMAN.ASM'
	.TITLE	'ROBO-RAMA GAME PROGRAM'
	.WIDTH	132
	.OPTION	B,D,L,T
	.MNOLIST

;
; INITIATED:		 JAN 6, 1989
; MODIFIED:		 !
; SOFTWARE:		 MARK TURMELL
;
; COPYRIGHT (C) 1989 WILLIAMS ELECTRONICS GAMES, INC.
;
;
; GET THE SYSTEM STUFF

	.INCLUDE	"MPROC.EQU"		;MPROC EQUATES
	.INCLUDE	"DISP.EQU"		;DISPLAY PROC. EQUATES
	.INCLUDE	"\VIDEO\SYS\SYS.INC"	;Z UNIT SYSTEM EQUATES
	.INCLUDE	"\VIDEO\SYS\MACROS.HDR"	;MACROS DEFINITIONS
	.INCLUDE	"IMGTBL.GLO"
	.INCLUDE	"ROBO.EQU"

;
;SOUNDS
	.REF	EXP3HI
;
;SYMBOLS EXTERNALLY DEFINED
;
	.REF	GET_STANDT2,WAY
	.REF	FRANIM,GAMSTATE,EHALT,BOOM2,GETFPAL,GET_WVADDR,BEGINOBJ2
	.REF	WAVEYX,PCNT,RANGRAND,PLYROBJS,HALT
	.REF	XYSKOBJ,GETHDR,CVRT,ABALL,RANDPER,DOBLO,P1DATA,P2DATA
	.REF	TSO_EXP2,FLASHME,GETUGH
;
;SYMBOLS DEFINED IN THIS FILE
;
	.DEF	KILL_WLMN,ONSCRN_WLMN,RECOIL,DIOFF
;
;UNINITIALIZED RAM DEFINITIONS
;
;
;EQUATES/STRUCURES FOR THIS FILE TO FOLLOW
;
HITWLM		.EQU	35	;61
;
;WLMAN DATA STRUCTURE
;
SPDLY		.EQU	PDATA		;UHB
WAY01		.EQU	PDATA+8		;UHB
TDIR		.EQU	PDATA+16	;UHW
TSK_DIR		.EQU	PDATA+32	;UHW
MODE		.EQU	PDATA+48	;UHB
FIRED		.EQU	PDATA+56	;UHB
SLOW		.EQU	PDATA+64	;UHB
ABSRB		.EQU	PDATA+72	;UHB
LEVEL		.EQU	PDATA+80      	;DIFFICULTY LEVEL FOR SPEEDS ETC.
;
;
	.TEXT
;
WX	.LONG	[117,0],[285,0]
WY	.LONG	[-25,0],[-25,0]
;
ONSCRN_WLMN:
;A2=# OF ORBS TO CREATE ON SCREEN AT START OF WAVE
	MOVE	A2,A10
OH1	PUSH	A10			;CREATE A BUNCH OF THEM
	CREATE	WLMNPID,OWLMN
	PULL	A10
	DSJNE	A10,OH1
	RETS
;
OWLMN:
;A10=1 OR 2
;A0 & A1 ARE SET UP
;ADD IN OFFSETS FOR THIS PARTICULAR ARENA
	DEC	A10
	SLL	5,A10
	MOVI	WX,A0
	ADD	A10,A0
	MOVE	*A0,A0,L
	MOVI	WY,A1
	ADD	A10,A1
	MOVE	*A1,A1,L
;
	MOVE	@GAMSTATE,A2
	CMPI	INAMODE,A2
	JREQ   	DMD
	MOVE	@WAVEYX,A2,L
; A2=PACKED OFFSETS
	MOVX	A2,A3
	SLL	16,A3
	ADD	A3,A0			;ADJUSTED A0 XVAL!
	ANDI	0FFFF0000H,A2
	ADD	A2,A1			;ADJUSTED A1 YVAL!
;
DMD
;A0,A1 ARE SETUP.
	CALLR	IH1			;INIT WLMN (BEGINOBJ)
	CALLA	BEGINOBJ2		;STUFF OBJ
;CHANGE TO PURPLE PALETTE
	MOVI	PURPTK,A0
	CALLA	GETFPAL			;GET A COLOR MAP ASSIGNMENT
	ANDI	0FFFFH,A0
	MOVE	A0,*A8(OPAL),L		;STORE THE NEW PALETTE
	CALLR	SETUP_WLMN		;INC WLMN_CNT
	CLR	A0
	MOVB	A0,*A13(MODE)
	MOVB	A0,*A13(SPDLY)
	MOVB	A0,*A13(FIRED)
	MOVB	A0,*A13(ABSRB)
	MOVK	9,A0
	MOVE	A0,*A13(TDIR)
;
; LOOP TOP FOR WLMNS
;
LUP_TOP:
;TOP OF WLMN LOGIC
	MOVE	@HALT,A0
	JRNZ	WZ
	MOVE	@EHALT,A0
	JRZ	MV	     		;BR=HALT ALL WLMNS!!
;PLAYER IS WALKING INTO ARENA SO DO NOT ALLOW MOVEMENT!
WZ	SLEEP	2
	JRUC	LUP_TOP
MV:
;SEE IF ANY PLAYER IS WITHIN X DISTANCE.
;IF SO, SEEK TO MOST APPROPRIATE ANGLE AND X% OF TIME FIRE FLAMES AT PLAYER.
;STOP/SLEEP
TLP_TOP:
	MOVB	*A13(MODE),A1
	JREQ	SIT
	CMPI	1,A1
	JREQ	SPN
	CMPI	2,A1
	JREQ	SHT
;	JRUC	$
SIT	MOVI	120,B0
	MOVI	250,B1
	CALLA	RANGRAND
	CMPI	150,A0
	JRNC	SPP
;NO SITTING
	MOVI	2,A0
SPP	
	CALLA	PRCSLP

	MOVK	1,B0
	MOVK	3,B1
	CALLA	RANGRAND
	DEC	A0
	MOVB	A0,*A13(MODE)
	CMPI	1,A0	
	JREQ	R1
	CMPI	2,A0
	JRNE	TAG
;SHOOT
	MOVK	2,A0
	MOVB	A0,*A13(FIRED)
	JRUC	TAG
R1
;WILL SPIN TO PLAYER
	MOVB	@PCNT,A3
	INC	A3
	MOVB	A3,@PCNT
	ANDI	01,A3
	SLL	5,A3
	MOVI	PLYROBJS,A2
	ADD	A3,A2
	MOVE	*A2,A0,L		;GET FIRST ENTRY
	JRNZ	PX
	XORI	32,A3
	ADDI	PLYROBJS,A3
	MOVE	*A3,A0,L

PX	CALLA	XYSKOBJ
	MOVE	A5,A1
	MOVE	A6,A2
	CALLA	GETHDR
	SLL	3,A0
	ADDI	CVRT,A0
	MOVB	*A0,A0
;DIR TO FACE IN A0
;A0=DIR TO SEEK TO FACE PLAYER
	MOVE	*A13(TDIR),A1
	CMP	A0,A1
	JREQ	AIM2
;NOT =	
;	CMPI	5,A0
;	JRLT	$
;	CMPI	14,A0
;	JRLT	TYU
;	MOVK	13,A0
;TYU
	MOVE	A0,*A13(TSK_DIR),W
	MOVE	A0,A1
	MOVE	*A13(TDIR),A0,W
	CALLA	WAY
	JRC	DIT			;INC
;DEC=CLRC
	CLR	A1
	MOVB	A1,*A13(WAY01)
	JRUC	DIT0
DIT	MOVK	1,A1
	MOVB	A1,*A13(WAY01)
DIT0
	JRUC	TAG
;DIE OFF
DIOFF:
;CALLED FROM ENDWAVE
	CREATE	0,TSO_EXP2
	SLEEP	2
	MOVE	A8,A0
	CALLA	DELOBJ
	DIE

AIM2
;ALREADY HERE!
	MOVK	2,A0
	MOVB	A0,*A13(MODE)
	MOVK	4,B0
	MOVK	10,B1
	CALLA	RANGRAND
	MOVB	A0,*A13(FIRED)
	JRUC	TAG

SPN	MOVB	*A13(SPDLY),A1
	CMPI	7,A1
	JRLT	AF
	MOVI	2,A1
AF
	DEC	A1
	MOVB	A1,*A13(SPDLY)
	JRNN	TAG
	MOVK	2,A0
	MOVB	A0,*A13(SPDLY)
	MOVB	*A13(WAY01),A1
	JRNZ	INCIT

;TANK IS DEC TO LEFT!
DECIT	MOVE	*A13(TDIR),A0,W
	DEC	A0
;	CMPI	4,A0
;	JREQ	OUT2
;	CALLA	INHERE
	MOVE	A0,*A13(TDIR),W
	JRUC	OUT
INCIT		
;TANK IS ROTATING TO RIGHT
	MOVE	*A13(TDIR),A0,W
	INC	A0
;	CMPI	14,A0
;	JREQ	OUT2
;	CALLA	IC
	MOVE	A0,*A13(TDIR),W

OUT
	MOVE	*A13(TDIR),A0
	PUSH	A0
	CALLA	GET_STANDT2		;DOES ANI OF CORRECT VIEW
	PULL	A0
	MOVE	*A13(TSK_DIR),A1
	CMP	A0,A1
	JRNE	TAG
;REACHED CORRECT SEEK ANGLE.
;SHOOT AT PLAYER NOW
	MOVI	300,A0
	CALLA	RANDPER
	JRC	OUT3		;DON'T FIRE
OUT2
	MOVK	2,A0
	MOVB	A0,*A13(MODE)
	MOVK	1,B0
	MOVK	3,B1
	CALLA	RANGRAND
	MOVB	A0,*A13(FIRED)
	JRUC	TAG
SHT
;	MOVB	*A13(SLOW),A0
;	CALLA	PRCSLP
	SLEEP	6

	MOVE	*A13(TDIR),A9
	CREATE	0,ABALL
	CREATE	0,RECOIL
	MOVB	*A13(FIRED),A0
	ANDI	0FH,A0
	DEC	A0
	MOVB	A0,*A13(FIRED)
	JRNZ	TAG

OUT3
	CLR	A0
	MOVB	A0,*A13(MODE)
;	MOVB	@PCNT,A0
;	ANDI	01,A0
;	SLL	4,A0
;	ADDI	SLOCNT,A0
;	MOVE	*A0,A0
;	MOVE	A0,*A13(SLOW)
;	JRUC	TAG
TAG
	SLEEP	1
	JRUC	LUP_TOP

;SLOCNT	.WORD	03,0AH

RECOIL	MOVE	A9,A0
	SLL	4,A0
	MOVI	XCHG,A1
	ADD	A0,A1
	MOVE	*A1,A10,W		;X MOD
	MOVI	YCHG,A2
	ADD	A0,A2
	MOVE	*A2,A9,W
	MOVE	*A8(OYPOS),A0
	ADD	A9,A0
	MOVE	A0,*A8(OYPOS)
	MOVE	*A8(OXPOS),A0
	ADD	A10,A0
	MOVE	A0,*A8(OXPOS)
	SLEEP	2
	MOVE	*A8(OYPOS),A0
	SUB	A9,A0
	MOVE	A0,*A8(OYPOS)
	MOVE	*A8(OXPOS),A0
	SUB	A10,A0
	MOVE	A0,*A8(OXPOS)
	DIE

XCHG:	.WORD	0,0,-1,-2,-2,-2,-2,-2,-1,0,1,2,2,2,2,2,1
YCHG:	.WORD	0,2,2,2,1,0,-1,-2,-2,-2,-2,-2,-1,0,1,2,2
	
;WAY:
;SPIN LEFT OR RIGHT
;A1=SEEK DIR
;A0=DIR IMAGE IS FACING NOW
;812
;7 3
;654
;        01
;      16  02
;     15    03
;    14	     04
;   13	      05
;    12	     06
;     11    07
;      10  08
;        09
;	SUB	A0,A1
;	MOVE	A1,A2
;	ABS	A1
;	CMPI	9,A1	;5
;	JRLT	N0
;	NEG	A2
;N0:	BTST	31,A2
;	JRZ	IC
;INHERE:	DEC	A0
;	JRP	TDEC
;	MOVK	16,A0	;8
;TDEC	CLRC				;MEANS DEC
;	RETS
;IC:	INC	A0  			;ROTATE TOWARD PLAYER
;	CMPI	17,A0	;9
;	JRNE	T1
;	MOVK	1,A0			
;T1:	SETC				;MEANS INC
;	RETS
;
IH1:					;ENTER HERE IF ON SCRN TANK
;STUFF NEEDED SHIT
;A0=OXVAL
;A1=OYVAL
	MOVI	MTK6,A2			;(OIMG) DOES NOT MATTER
	MOVI	230,A3			;(OZPOS)
	MOVI	DMAWNZ,A4		;(OFLAGS) NON-ZERO VALUE
	MOVI	CLSNEUT|TYPWLMN,A5	;(OID)
	CLR	A6			;(OXVEL)
	CLR	A7			;(OYVEL)
	RETS
;
SETUP_WLMN:
	MOVI	WLMN,A2
	CALLA	GET_WVADDR

;	MOVE	*A0(32),A1,W		;GET DIFFICULTY LEVEL FOR THIS WLMN
;	MOVE	A1,*A13(LEVEL),W

	MOVE	*A0(16),A1,W		;DEC WAVE RAM CNT FOR THIS WLMN
	DEC	A1
   	MOVE	A1,*A0(16),W
	RETS

KILL_WLMN:
;CALLED FROM COLL2.ASM WHEN A WLMN COLLIDES WITH SOMETHING.
;VICTIM PNTR IN A8
;A8=WLMN IMAGE PTR
	MMTM	SP,A1,A7,A10
	MOVE	*A8(OPLINK),A10,L

	MOVE	*A0(OID),A7,W		;KILLERS OID
;WILL BE BOGUS IF SOMETHING OTHER THAN A BULLET STRUCK TANK!
 	ANDI	F_SUBT,A7
	DEC	A7
	SLL	3,A7
	ADDI	PUNISHT,A7
	MOVB	*A7,A7
	MOVB	*A10(ABSRB),A1
	ANDI	0FFH,A1
	ADD	A7,A1
	MOVB	A1,*A10(ABSRB)
	CMPI	HITWLM,A1
;IF LESS THAN, START COLOR CYCLE PROCESS HERE
	JRLT	KPY
;ABSORBED ENOUGH HITS TO DESTROY IT
	MOVE	*A0(OPLINK),A10,L
	CREATE	0,WLMN_EXP		;BULLETS DIR WILL BE IN A10
	MOVE	*A8(OPLINK),A0,L
	CALLA	KILL			;KILLS PROCESS IN A0
	MOVE	A8,A0
	CALLA	DELOBJ
	MMFM	SP,A1,A7,A10
	RETS
KPY	PUSH	A9
	CALLA	GETUGH
	MOVI	018180000H,A9
	CREATE	0,FLASHME
	PULL	A9
	MMFM	SP,A1,A7,A10
	RETS

PUNISHT:
	.BYTE	3,3,5,20,20
	.EVEN

WLMN_EXP:
;WLMN MUST KNOW WHO SHOT IT! 
	MOVI	EXP3HI,A0
	CALLA	ONESND
	MOVB	*A10(MYPLYR),A0
;	JAUC	TSO_EXP
;A0=1 OR 2
	MOVI	WALPT,A1			;AMOUNT OF SCORE
	JAUC	DOBLO

	.END