WebSVN – NedoOS – Blame – /src/games/tank/main.asm

Rev	Author	Line No.	Line
73	Alone	1	DEVICE ZXSPECTRUM128
		2	include "../../_sdk/sys_h.asm"
		3
344	alone	4	scrbuf=0xe000 ;�� 0x800
170	demige	5	tilemap=0xdd00 ;0x300
344	alone	6	collisionmap=0xda00 ;0x300 (��। �� ~20 �� ࠥ��)
		7	validmap=0xfc00 ;0x300 (��। �� ~20 �� ࠥ��)
		8	VALID0=0xfb ;��, ��
		9	VALID1=0x80 ;��, �� , ⠬ �� 楤��
73	Alone	10	VALID00=VALID0+256*VALID0
		11	VALID01=VALID0+256*VALID1
		12	VALID10=VALID1+256*VALID0
		13	VALID11=VALID1+256*VALID1
		14	validmaplinesize=32
344	alone	15	validmapwid=validmaplinesize-2 ;� �� ப� �� validmapnext
73	Alone	16
		17	emptyattr=7
		18
		19	fieldwid=10
		20	fieldhgt=8
		21	fieldx=0
		22	fieldy=0
		23
		24	coordsfactor=4
		25
		26	leftwallx=0
		27	topwally=0
		28	rightwallx=fieldwid24coordsfactor
		29	bottomwally=fieldhgt24coordsfactor
		30
170	demige	31	dir_r=0x09
		32	dir_l=0x08
		33	dir_u=0x0b
		34	dir_d=0x0a
73	Alone	35
		36	collisionmaplinesize=32
		37	collisionmapwid=fieldwid*3
		38	collisionmaphgt=fieldhgt*3
		39	collisionmapsize=collisionmaplinesize*collisionmaphgt
		40	tilemaplinesize=collisionmaplinesize
		41	tilemapwid=collisionmapwid
		42	tilemaphgt=collisionmaphgt
		43	tilemapsize=collisionmapsize
		44
		45	maxemptytile=9
		46
		47	maxobjects=20
		48	maxbullets=100
170	demige	49	TERMINATOR=0x80
73	Alone	50
		51	tanksize=16
344	alone	52	tankdamagesize=11 ;��吝� 堪
73	Alone	53	tankaimsize=8
		54	tankspeed=4 ;2^n!
		55	bulletspeed=6
		56	bulletenergy=20
		57
		58	startlives=5
		59	maxlives=10
		60
		61	;timer=23672
		62
		63	include "macro.asm"
		64
		65	org PROGSTART
		66	begin
583	alone	67	OS_HIDEFROMPARENT
73	Alone	68	ld e,3 ;6912
		69	OS_SETGFX ;e=0:EGA, e=2:MC, e=3:6912, e=6:text ;+SET FOCUS ;e=-1: disable gfx (out: e=old gfxmode)
		70
528	alone	71	;OS_GETSCREENPAGES
344	alone	72	;de=��࠭�� 0-�� ࠭� (d=��), hl=��࠭�� 1-�� ࠭� (h=��)
555	alone	73	ld a,(user_scr0_high) ;ok
73	Alone	74	SETPG16K
		75
		76	ld hl,valid00
		77	ld de,VALID00
		78	ld bc,valid00_size
		79	ldir
		80	ld hl,valid01
		81	ld de,VALID01
		82	ld c,valid01_size
		83	ldir
		84	ld hl,valid10
		85	ld de,VALID10
		86	ld c,valid10_size
		87	ldir
		88	ld hl,valid11
		89	ld de,VALID11
		90	ld c,valid11_size
		91	ldir
		92
170	demige	93	ld a,1
		94	ld (nlevel),a
		95
		96	newlevel
73	Alone	97	call cls
		98	call clscrbuf
		99
		100	ld a,startlives
		101	ld (lives),a
		102	call prlives
		103
		104	call initlevel
		105
		106	call clearvalid
		107	call restoreobjects_clear
		108	call restorebullets_clear
		109
		110	call prmap
		111	call fillcollisionmap
		112
1510	alone	113	OS_GETTIMER ;dehl=timer
73	Alone	114	;ld hl,(timer)
		115	ld (oldtimer),hl
		116
		117	loop
		118	call restoreobjects
		119	call restorebullets
74	Alone	120	;ld a,2
170	demige	121	;out (0xfe),a
73	Alone	122	call probjlist
74	Alone	123	;ld a,4
170	demige	124	;out (0xfe),a
73	Alone	125	call prbulletlist
74	Alone	126	;ld a,0
170	demige	127	;out (0xfe),a
73	Alone	128
		129	loopdelay
1510	alone	130	OS_GETTIMER ;dehl=timer
73	Alone	131	;ld hl,(timer)
		132	oldtimer=$+1
		133	ld bc,0
		134	ld (oldtimer),hl
		135	ld a,l
		136	sub c
		137	jr z,loopdelay
		138	ld b,a
74	Alone	139	;ld a,5
170	demige	140	;out (0xfe),a
73	Alone	141	logicloop0
		142	push bc
		143	call control
		144	call animate
		145	call logic
		146	call bulletlogic
74	Alone	147	;ld a,1
170	demige	148	;out (0xfe),a
73	Alone	149	call fillcollisionmap
74	Alone	150	;ld a,5
170	demige	151	;out (0xfe),a
73	Alone	152	call bulletcollision
		153	pop bc
		154	djnz logicloop0
74	Alone	155	;ld a,6
170	demige	156	;out (0xfe),a
73	Alone	157	call prvalid
		158	;call displaycollisionmap
344	alone	159	;TODO ᤥ�� -��, �� ࠣ�� ⠫��
170	demige	160	ld a,(nenemies)
		161	or a
		162	jp nz,loop
		163	ld hl,nlevel
		164	inc (hl)
		165	jp newlevel
73	Alone	166
		167	initlevel
		168	call genmap
		169
		170	ld ix,objlist
		171	call genobj_terminate
		172	ld ix,bulletlist
		173	call genbullet_terminate
		174
170	demige	175	ld de,0x0010 ;x
		176	ld hl,0x02b0 ;y
73	Alone	177	ld bc,params_tank
		178	ld a,1 ;a=dir
		179	call genobj
		180
170	demige	181	ld a,(nlevel)
		182	inc a
		183	ld b,a
		184	initlevel_addenemies0
		185	push bc
		186	;ld de,0x0010 ;x = 0x0010..0x0370
		187	call rndxcoord ;out: hl=x
		188	ex de,hl
		189	ld hl,0x0010 ;y
73	Alone	190	ld bc,params_tanke
		191	ld a,2 ;a=dir
		192	call genobj
170	demige	193	ld hl,nenemies
		194	inc (hl)
73	Alone	195
170	demige	196	if 1==0
		197	ld de,0x0370 ;x
		198	ld hl,0x0010 ;y
73	Alone	199	ld bc,params_tanke
		200	ld a,2 ;a=dir
		201	call genobj
170	demige	202	ld hl,nenemies
		203	inc (hl)
		204	endif
		205	pop bc
		206	djnz initlevel_addenemies0
73	Alone	207	reter
		208	ret
		209
		210	attrbox
		211	;bc=yx
344	alone	212	;a=䮭
		213	;d=y ��न�� 孥�� 㣫�
		214	;�=� ��न�� 孥�� 㣫�
170	demige	215	;0x5800+xcoordredbox+(32*ycoordredbox)
73	Alone	216	ld l,d ;y
		217	ld h,0
		218	add hl,hl
		219	add hl,hl
		220	add hl,hl
		221	add hl,hl
		222	add hl,hl
170	demige	223	ld d,0x58
73	Alone	224	add hl,de ;x
		225	attrbox_lines
		226	ld e,l
		227	ld d,h
		228	push bc
		229	attrbox_pixels
		230	ld (de),a
		231	inc e
		232	dec c
		233	jr nz,attrbox_pixels
		234	pop bc
		235	ld de,32
		236	add hl,de
		237	djnz attrbox_lines
		238	ret
		239
		240	genmap
		241	ld hl,tilemap
		242	ld de,tilemap+1
		243	ld bc,tilemapsize-1
		244	ld (hl),0
		245	ldir
		246
		247	ld hl,tilemap+(3*tilemaplinesize)
		248	ld b,fieldhgt-2
		249	genmaplines
		250	push bc
		251	push hl
		252	ld b,fieldwid
		253	genmapline
		254	push bc
		255	push hl
		256	push hl
		257	ld a,b ;1..fieldwid
		258	sub 2 ;n
344	alone	259	cp fieldwid-2 ;nc=�� ࠢ� �ࠩ
73	Alone	260	adc a,nblocks+1 ;n + cy + (nblocks+1)
		261	sub b ;n + cy + nblocks - (n+2)
344	alone	262	ld c,a ;nblocks �� nblocks-1
73	Alone	263	call rnd
		264	ld c,a
		265	ld b,0
		266	ld de,9
		267	call mulbcde
		268	ld bc,blocks
		269	add hl,bc
		270	ex de,hl
		271	pop hl
		272	ld bc,tilemaplinesize-2
		273	dup 3
		274	ld a,(de)
		275	ld (hl),a
		276	inc de
		277	inc hl
		278	ld a,(de)
		279	ld (hl),a
		280	inc de
		281	inc hl
		282	ld a,(de)
		283	ld (hl),a
		284	inc de
		285	add hl,bc
		286	edup
		287	pop hl
		288	inc hl
		289	inc hl
		290	inc hl
		291	pop bc
		292	djnz genmapline
		293	pop hl
		294	ld bc,tilemaplinesize*3
		295	add hl,bc
		296	pop bc
		297	djnz genmaplines
		298	ret
		299
		300	control
		301	GET_KEY
116	alone	302	cp key_esc
73	Alone	303	jp z,quit
344	alone	304	call getkey ;c=%???lrduf (0=��)
73	Alone	305	ld a,c
		306	rra ;f
		307	jr nc,control_noreleasefire
		308	ld a,1
		309	ld (control_firehasbeenreleased),a
		310	control_noreleasefire
		311
344	alone	312	;�� ࠡ��뢠��, �� ⮨� ��।�� ⪨ ((x&(8coordsfactor-1)) == 4coordsfactor, (y&(8coordsfactor-1)) == 4coordsfactor)
		313	ld ix,objlist ;�� ꥪ� - ��
		314	call checkevencoords ;nz=�� ।�� ⪨
73	Alone	315	ret nz
		316
		317	ld a,c
		318	rra ;f
		319	jr c,control_nofire
344	alone	320	;�஢�ਬ, �� ⮣� �� , ��
73	Alone	321	control_firehasbeenreleased=$+1
		322	ld a,0
		323	or a
344	alone	324	jr z,control_nofire ;�� 뫮 ��, ��
73	Alone	325	xor a
		326	ld (control_firehasbeenreleased),a
344	alone	327	;ld ix,objlist ;�� ꥪ� - ��
73	Alone	328	push bc
		329	call shoot
		330	pop bc
		331	control_nofire
		332
344	alone	333	ld ix,objlist ;�� ꥪ� - ��
		334	;�᫨ �� , � ��⠭��
73	Alone	335	rr c
		336	ld a,c
		337	cpl
170	demige	338	and 0x0f
73	Alone	339	jr nz,control_nokeysreleased
		340	ld a,(ix+obj_anim)
		341	cp ANIM_GO
		342	jr nz,control_nokeysreleased
		343	SETANIM ANIM_STOP
		344	control_nokeysreleased
		345
		346	ld a,c
		347	rra ;u
		348	jr c,control_nou
		349	call goifpossible
		350	ld (ix+obj_dir),0
		351	control_nou
		352	rra ;d
		353	jr c,control_nod
		354	call goifpossible
		355	ld (ix+obj_dir),2
		356	control_nod
		357	rra ;r
		358	jr c,control_nor
		359	call goifpossible
		360	ld (ix+obj_dir),1
		361	control_nor
		362	rra ;l
		363	jr c,control_nol
		364	call goifpossible
		365	ld (ix+obj_dir),3
		366	control_nol
		367
		368	ret
		369
		370	goifpossible
		371	ld c,a
		372	ld a,(ix+obj_anim)
		373	cp ANIM_APPEAR
		374	jr nz,$+4
		375	ld a,ANIM_STOP
		376	cp ANIM_STOP
		377	ld a,c
344	alone	378	ret nz ;�� ⮨�, ⠪ ��
73	Alone	379	SETANIM ANIM_GO
		380	ret
		381
		382	checkevencoords
344	alone	383	;out: nz=�� ।�� ⪨
73	Alone	384	ld a,(ix+obj_x)
		385	and 8*coordsfactor-1
		386	cp 4*coordsfactor
		387	ret nz
		388	ld a,(ix+obj_y)
		389	and 8*coordsfactor-1
		390	cp 4*coordsfactor
		391	ret
		392
		393	shoot
		394	SETANIM ANIM_SHOOT
		395	ld c,(ix+obj_dir)
		396	ld b,0
		397	ld hl,tankbulletcoords
		398	add hl,bc
		399	add hl,bc
		400	ld a,(hl) ;dx
		401	ld c,a ;%sxxxxxxx
		402	rla ;%xxxxxxx?, CY=s
		403	sbc a,a;%ssssssss
		404	ld b,a ;dx
		405	inc hl
		406	ld a,(hl) ;dy
		407	GETXDE_YHL
		408	ex de,hl ;hl=x
		409	add hl,bc ;x+dx
		410	push hl ;x+dx
		411	push de ;y
		412	ld e,a
		413	rla
		414	sbc a,a
		415	ld d,a ;dy
		416	pop hl ;y
		417	add hl,de ;hl = y+dy
		418	pop de ;de = x+dx
		419	ld a,(ix+obj_dir) ;a=dir
		420	ld bc,params_bullet
		421	curbulletlistend=$+2
		422	ld ix,bulletlist
		423	call genobjorbullet
		424	genbullet_terminate
		425	ld bc,objterminator
		426	ld (ix+obj_objaddr),c
		427	ld (ix+(obj_objaddr+1)),b
		428	ld (ix+(obj_x+1)),TERMINATOR
		429	ld (curbulletlistend),ix
		430	ret
		431
		432	genobjorbullet
		433	;de=x
		434	;hl=y
		435	;bc=params (obj(16),energy(8),speed(8))
		436	;a=dir
		437	ld (ix+obj_dir),a
		438	PUTXDE_YHL
		439	SETANIM ANIM_APPEAR
		440	ld (ix+obj_delaycounter),1
		441	ld (ix+obj_gundelaycounter),0
		442	ld a,(bc)
		443	ld (ix+obj_objaddr),a
		444	inc bc
		445	ld a,(bc)
		446	ld (ix+(obj_objaddr+1)),a
		447	inc bc
		448	ld a,(bc)
		449	ld (ix+obj_energy),a
		450	inc bc
		451	ld a,(bc)
		452	ld (ix+obj_speed),a
		453	ld bc,objsize
		454	add ix,bc
		455	ret
		456
		457	genobj
		458	;de=x
		459	;hl=y
		460	;bc=params (obj(16),energy(8),speed(8))
		461	;a=dir
		462	curobjlistend=$+2
		463	ld ix,objlist
		464	call genobjorbullet
		465	genobj_terminate
		466	ld bc,objterminator
		467	ld (ix+obj_objaddr),c
		468	ld (ix+(obj_objaddr+1)),b
		469	ld (ix+(obj_x+1)),TERMINATOR
		470	ld (curobjlistend),ix
		471	ret
		472
		473	animate
		474	ld ix,objlist-objsize
		475	animate0_prepareregs
		476	ld a,TERMINATOR
		477	ld bc,objsize
		478	animate0
		479	add ix,bc
		480	animate0_afterdel
		481	cp (ix+(obj_x+1))
		482	ret z
		483	dec (ix+obj_animcounter)
		484	jp nz,animate0
344	alone	485	;⥪�� 䠧� ��樨 ��稫��, �饬 ᫥��
73	Alone	486	ld l,(ix+obj_objaddr)
344	alone	487	ld h,(ix+(obj_objaddr+1)) ;hl=�� ⥫� ��ꥪ� (� ��砫� �� 㪠��⥫� �� ᯨ᮪ ��権)
73	Alone	488	ld a,(hl)
		489	inc hl
		490	ld h,(hl)
344	alone	491	ld l,a ;hl=㪠��⥫� �� ᯨ᮪ ��権
		492	ld e,(ix+obj_anim) ;�� 樨
73	Alone	493	ld d,0
		494	add hl,de
		495	add hl,de
		496	ld a,(hl)
		497	inc hl
		498	ld h,(hl)
344	alone	499	ld l,a ;hl=㪠��⥫� ��
		500	ld e,(ix+obj_animphase) ;�� 䠧� ��樨
		501	inc e ;᫥�� 䠧� ��樨
73	Alone	502	ld (animate_pointer),hl
		503	add hl,de
		504	add hl,de
		505	add hl,de
344	alone	506	ld a,(hl) ;�६� 䠧�
		507	or a ;�᫨ 0, � �� 樨
73	Alone	508	jr nz,animate_noend
		509	inc hl
344	alone	510	ld a,(hl) ;०�� 横�� (0=��室 �� 㫥�� , 1=��横�� , 2=㤠��)
		511	cp 2 ;�ਧ�� ANIMENDDIE
73	Alone	512	jr z,animate_delete
		513	or a
		514	jr nz,animate_no0
344	alone	515	ld (ix+obj_anim),a ;0-� ��
73	Alone	516	animate_no0
		517	ld e,0
		518	animate_pointer=$+1
		519	ld hl,0
		520	add hl,de
		521	add hl,de
		522	add hl,de
344	alone	523	ld a,(hl) ;�६� 䠧�
73	Alone	524	animate_noend
		525	ld (ix+obj_animcounter),a
344	alone	526	ld (ix+obj_animphase),e ;᫥�� 䠧� ��樨
73	Alone	527	jp animate0_prepareregs
		528
		529	animate_delete
		530	push ix
		531	pop hl
		532	ld de,objlist
		533	or a
		534	sbc hl,de
		535	jr z,animate_delete_player
		536	ld hl,curobjlistend
344	alone	537	call delobj ;��㥬 �� ix+objsize � ix
170	demige	538
		539	ld hl,nenemies
		540	dec (hl)
		541
73	Alone	542	ld a,TERMINATOR
		543	ld bc,objsize
		544	jp animate0_afterdel
		545	animate_delete_player
		546	call decreaselives
		547	call rndbottomcoords ;bc=x, de=y
		548	SETANIM ANIM_APPEAR
		549	ld (ix+obj_dir),1 ;a=dir
		550	jp animate0_prepareregs
		551
		552	bulletlogic
		553	ld ix,bulletlist-objsize
		554	jr logic0
		555	logic
		556	ld ix,objlist-objsize
		557	logic0
		558	ld bc,objsize
		559	add ix,bc
		560	logic0_afterdel
		561	ld l,(ix+obj_objaddr)
344	alone	562	ld h,(ix+(obj_objaddr+1)) ;hl=�� ⥫� ��ꥪ� (� ��砫� �� 㪠��⥫� �� ᯨ᮪ ��権)
73	Alone	563	inc hl
		564	inc hl
344	alone	565	jp (hl) ;hl=�� ࠡ��稪� ��ꥪ�
73	Alone	566
		567	rndbottomcoords
		568	;out: bc=x, de=y
		569	rndbottomcoords_retry
170	demige	570	call rndxcoord
		571	ex de,hl
		572	ld hl,0x02b0 ;y
		573	PUTXDE_YHL
344	alone	574	call checkobstacles_tank ;nc=�९��⢨�
170	demige	575	jr nc,rndbottomcoords_retry
		576	ret
		577
		578	rndxcoord
		579	;out: hl=x
73	Alone	580	ld c,fieldwid
		581	call rnd
		582	ld c,a
		583	ld b,0
		584	ld de,8coordsfactor3
		585	call mulbcde
		586	ld bc,4*coordsfactor
		587	add hl,bc ;x
		588	ret
		589
		590	delobj
344	alone	591	;hl=�� 㪠��⥫� �� ᯨ᪠ (�� ନ��)
		592	;��㥬 �� ix+objsize � ix
73	Alone	593	ld (delobj_curlistend1),hl
		594	ld (delobj_curlistend2),hl
		595	ld c,(hl)
		596	inc hl
344	alone	597	ld b,(hl) ;㪠��⥫� �� ᯨ᪠ (�� ନ��)
73	Alone	598	ld hl,objsize
		599	add hl,bc
		600	ld b,h
344	alone	601	ld c,l ;㪠��⥫� �� ᯨ᪠ (��᫥ ��ꥪ�-�ନ��)
73	Alone	602	ld d,hx
		603	ld e,lx ;de=ix
		604	ld a,e
		605	add a,objsize
		606	ld l,a
		607	adc a,d
		608	sub l
		609	ld h,a ;hl=ix+objsize
		610	ld a,c
		611	sub l
		612	ld c,a
		613	ld a,b
		614	sbc a,h
		615	ld b,a ;bc=objlistend-hl
		616	ld a,b
		617	or c
344	alone	618	ret z ;��祬� 㤠�塞 �ନ�� ᫥ �� ??? TODO
		619	ldir ;��㥬 �� ᫥��騥 ��ꥪ��, �� ନ��
73	Alone	620	delobj_curlistend1=$+1
		621	ld hl,(curobjlistend)
		622	ld bc,-objsize
		623	add hl,bc
		624	delobj_curlistend2=$+1
		625	ld (curobjlistend),hl
		626	push ix
		627	call fillcollisionmap
		628	pop ix
		629	ret
		630
		631	movetank
		632	ld a,(ix+obj_anim)
		633	cp ANIM_GO
		634	ret nz
		635	moveobj
		636	GETXDE_YHL
		637	ld b,(ix+obj_speed)
		638	ld c,(ix+obj_dir)
		639	inc c
		640	dec c
		641	call z,moveobj_u
		642	dec c
		643	call z,moveobj_r
		644	dec c
		645	call z,moveobj_d
		646	dec c
		647	call z,moveobj_l
		648	PUTXDE_YHL
		649	ret
		650	moveobj_u
		651	dec hl
		652	djnz $-1
		653	ret
		654	moveobj_r
		655	inc de
		656	djnz $-1
		657	ret
		658	moveobj_d
		659	inc hl
		660	djnz $-1
		661	ret
		662	moveobj_l
		663	dec de
		664	djnz $-1
		665	ret
		666
		667	objtank
		668	dw anims_tank
		669	objtank_move
		670	GETXDE_YHL
		671	push de
		672	push hl
		673	call movetank
344	alone	674	call checkobstacles_tank ;nc=��
73	Alone	675	jr nc,objtank_collided
344	alone	676	ld c,tanksize ;ࠧ��
		677	call checkwalls ;nc=�⥭�
		678	;TODO ��-� ��⪭�� checkwalls � moveobj, ��
73	Alone	679	objtank_collided
		680	pop hl
		681	pop de
344	alone	682	jp c,logic0 ;�� ⥭�
		683	PUTXDE_YHL ;�⥭� - ��⠭�� न��
73	Alone	684	jp logic0
		685
		686	objtanke
		687	dw anims_tanke
		688	dec (ix+obj_gundelaycounter)
		689	jr nz,objtanke_nogundelaystop
		690	inc (ix+obj_gundelaycounter)
		691	ld a,(ix+obj_anim)
		692	cp ANIM_PREPARESHOOT
		693	jr nz,objtanke_noshoot
		694	push ix
		695	call shoot
		696	pop ix
		697	ld (ix+obj_gundelaycounter),50
		698	jr objtanke_stop
		699	objtanke_noshoot
		700	objtanke_nogundelaystop
		701	ld a,(ix+obj_anim)
		702	cp ANIM_DIE
		703	jp z,objtanke_nologic
344	alone	704	;�� ࠡ��뢠��, �� ⮨� ��।�� ⪨ ((x&(8coordsfactor-1)) == 4coordsfactor, (y&(8coordsfactor-1)) == 4coordsfactor)
		705	call checkevencoords ;nz=�� ।�� ⪨
73	Alone	706	jp nz,objtanke_nologic
344	alone	707	;�� ﭨ�, ��⮬ ��砩�� 塞 ��ࠢ��
73	Alone	708	dec (ix+obj_delaycounter)
		709	jr nz,objtanke_nonewmove
		710	ld (ix+obj_delaycounter),20
		711	ld c,5
		712	call rnd
		713	cp 4
		714	jr z,objtanke_stop
		715	ld (ix+obj_dir),a
		716	SETANIM ANIM_GO
		717	jr objtanke_nonewmove
		718	objtanke_stop
		719	SETANIM ANIM_STOP
		720	objtanke_nonewmove
344	alone	721	;�᫨ �� न�� 襩 (x-(tanksize/2coordsfactor) > xe >= x+(tanksize/2coordsfactor)), � ��, ��ঠ�� ५��
73	Alone	722	GETXDE_YHL
		723	push hl ;y
344	alone	724	ld hl,(objlist+obj_x) ;�� न��
73	Alone	725	ld bc,-(tankaimsize/2*coordsfactor)
		726	add hl,bc
		727	or a
344	alone	728	sbc hl,de ;�� -tanksize*coordsfactor..-1
73	Alone	729	ld bc,tankaimsize*coordsfactor
344	alone	730	add hl,bc ;cy=��न�� 襩
73	Alone	731	pop hl ;y
		732	ex de,hl ;de=y, hl=x
		733	jr z,$+4
		734	jr nc,objtanke_noprepareshootx
344	alone	735	ld hl,(objlist+obj_y) ;�� न��
73	Alone	736	or a
344	alone	737	sbc hl,de ;y >= ye? ⮣�� d, �� u
73	Alone	738	ld a,2 ;d
		739	jr nc,$+4 ;y >= xe
		740	ld a,0 ;u
		741	ld (ix+obj_dir),a
		742	jr objtanke_prepareshoot
		743	objtanke_noprepareshootx
		744	push hl ;x
344	alone	745	ld hl,(objlist+obj_y) ;�� न��
73	Alone	746	ld bc,-(tankaimsize/2*coordsfactor)
		747	add hl,bc
		748	or a
344	alone	749	sbc hl,de ;�� -tanksize*coordsfactor..-1
73	Alone	750	ld bc,tankaimsize*coordsfactor
344	alone	751	add hl,bc ;cy=��न�� 襩
73	Alone	752	pop de ;x
		753	jr z,$+4
		754	jr nc,objtanke_noprepareshoot
344	alone	755	ld hl,(objlist+obj_x) ;�� न��
73	Alone	756	or a
344	alone	757	sbc hl,de ;x >= xe? ⮣�� r, �� l
73	Alone	758	ld a,1 ;r
		759	jr nc,$+4 ;x >= xe
		760	ld a,3 ;l
		761	ld (ix+obj_dir),a
		762	objtanke_prepareshoot
		763	SETANIM ANIM_PREPARESHOOT
		764	;ld (ix+obj_delaycounter),1
		765	objtanke_noprepareshoot
		766	objtanke_nologic
		767	jp objtank_move
		768
		769	objbullet
		770	dw 0
		771	call moveobj
344	alone	772	ld c,0 ;ࠧ��
		773	call checkwalls ;nc=�⥭�
		774	jp c,logic0 ;�� ⥭�
73	Alone	775	ld hl,curbulletlistend
344	alone	776	call delobj ;��㥬 �� ix+objsize � ix
73	Alone	777	ld bc,-objsize
		778	add ix,bc
		779	jp logic0
		780
		781	bulletcollision
		782	ld ix,bulletlist-objsize
		783	ld ly,-(128-1)
		784	bulletcollision0
		785	dec ly
		786	ld bc,objsize
		787	add ix,bc
		788	bulletcollision0_afterdel
		789	ld a,(ix+(obj_x+1))
		790	cp TERMINATOR
		791	ret z
		792	GETXDE_YHL
		793	call calctilemapaddr_de_hl
		794	ld a,(hl)
		795	cp maxemptytile+1
		796	jr nc,bulletcollision_collided
		797	call calccollisionmapaddr
		798	ld a,(hl)
344	alone	799	add a,ly ;�� ⥪�饩 �㫨 ;CY=1 �� ᮢ��
73	Alone	800	call nz,checkbulletcollision
344	alone	801	jp c,bulletcollision0 ;��
73	Alone	802	bulletcollision_delete
		803	ld hl,curbulletlistend
344	alone	804	call delobj ;��㥬 �� ix+objsize � ix
73	Alone	805	jp bulletcollision0_afterdel
		806	bulletcollision_collided
		807	;ld c,l
		808	GETXDE_YHL
		809	push hl
		810	ex de,hl
		811	ld a,(ix+obj_dir)
		812	rra ;nc=vertical direction
		813	ccf
344	alone	814	call divmul3 ;hl=x ��⪨ ��
		815	ex (sp),hl ;��࠭�� x ��⪨ �� ;hl=y
73	Alone	816	ld a,(ix+obj_dir)
		817	rra ;nc=vertical direction
344	alone	818	call divmul3 ;hl=y ��⪨ ��
		819	pop bc ;x ��⪨ ��
		820	ld b,l ;y ��⪨ ��
73	Alone	821	ld a,c
		822	call calctilemapaddr_a_l
		823	ld a,(ix+obj_dir)
		824	dec a
		825	jr z,objbullet_collided_ver ;r
		826	dec a
		827	jr z,objbullet_collided_hor ;d
		828	dec a
		829	jr z,objbullet_collided_ver ;l
		830	;u
		831	objbullet_collided_hor
		832	call degradetile
		833	inc c
		834	inc hl
		835	call degradetile
		836	inc c
		837	inc hl
		838	call degradetile
		839	jp bulletcollision_delete
		840	objbullet_collided_ver
		841	ld de,tilemaplinesize
		842	call degradetile
		843	inc b
		844	add hl,de
		845	call degradetile
		846	inc b
		847	add hl,de
		848	call degradetile
		849	jp bulletcollision_delete
		850
		851	divmul3
344	alone	852	;�᫨ CY=1, � �� 㣫塞 �� 3
		853	;��
73	Alone	854	ld de,8*coordsfactor
344	alone	855	jp nc,divhlde ;hl=x(y) ��⪨ �� (�� 㣫��)
73	Alone	856	ld de,8coordsfactor3
344	alone	857	call divhlde ;hl=x(y) ��⪨ ��
73	Alone	858	ld c,l
		859	ld b,h
		860	add hl,hl
		861	add hl,bc
344	alone	862	ret ;hl=x(y) ��⪨ ��
73	Alone	863
		864	degradetile
344	alone	865	;bc=yx ��⪨ ��
73	Alone	866	;hl=tilemap+
		867	;push bc
		868	push de
		869	;push hl
		870	call degradetile_changetile
		871	call calcscrbufaddr ;de=scrbuf+
		872	call restoretile
		873	;pop hl
		874	pop de
		875	;pop bc
		876	ret
		877	degradetile_changetile
		878	ld a,(hl)
		879	cp tilem
		880	ret z
		881	cp tileb
		882	ld (hl),tile0
		883	ret z
		884	cp tilec
		885	ld (hl),tileb
		886	ret z
		887	ld (hl),tile0
		888	ret
		889
		890	objterminator
		891	dw 0
		892	ret
		893
		894	decreaselives
		895	lives=$+1
		896	ld a,0
		897	dec a
		898	ld (lives),a
		899	push af
		900	call prlives
		901	pop af
		902	ret nz
		903
		904	gameover
		905	fieldEx=32
		906	fieldEy=24
		907	centr=(fieldEx/2)-(10/2)+(256*fieldEy/2)
		908	;bc=yx
344	alone	909	;a=䮭
		910	;d=y ��न�� 孥�� 㣫�
		911	;�=� ��न�� 孥�� 㣫�
170	demige	912	;0x5800+xcoordredbox+(32*ycoordredbox)
73	Alone	913	ld c,12
		914	ld b,3
170	demige	915	ld de,centr-0x0101
		916	ld a,0x57
73	Alone	917	ld (curattr),a
		918	call attrbox
		919	ld hl,endtext
		920	ld bc,centr
		921	call prtext
		922	gameoverloop
		923	YIELD
		924	GET_KEY
116	alone	925	cp key_esc
73	Alone	926	jr nz,gameoverloop
		927	quit
		928	QUIT
		929
		930	endtext
		931	db "Game over!",0
74	Alone	932
		933	font
		934	incbin "zx.fnt"
73	Alone	935
77	Alone	936	include "collisio.asm"
73	Alone	937	include "tankgfx.asm"
		938	include "tankdata.asm"
		939	include "math.asm"
		940	include "input.asm"
170	demige	941
		942	nlevel
		943	db 0 ;1..
		944	nenemies
		945	db 0
73	Alone	946	end
		947
		948	reobjlist
		949	ds 2*(maxobjects+1)
		950	rebulletlist
		951	ds 2*(maxbullets+1)
		952
		953	objlist
		954	ds objsize*(maxobjects+1)
		955	objlistend
		956
		957	bulletlist
		958	ds objsize*(maxbullets+1)
		959	bulletlistend
		960
		961
289	dimkam	962	;display "End=",end
170	demige	963	;display "Free after end=",/d,0xc000-end
289	dimkam	964	;display "Size ",/d,end-begin," bytes"
73	Alone	965
		966	savebin "tank.com",begin,end-begin
		967
		968	;LABELSLIST "..\us\user.l"

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(root)/src/games/tank/main.asm – Rev 1510