BitPlane1=$68000	;Adresse Bitplane 1
bitplane2=$6b000
bitplane3=$6e000
bitplane4=$71000
bitplane5=$74000
Exec=4			;Basisadresse Execbase
Permit=-138		;Stop Multitasking
Open= -30 -0
Close= -30 -6
Read= -30 -12
Forbid=-132		;Start Multitasking
OpenLibrary=-408	
CloseLibrary=-414
InitRastPort=-198
InitBitMap=-390
SetRast= -30 -204
Move= -30 -210
Draw= -30 -216
RectFill= -30 -276
ScrollRaster= -30 -366
WritePixel= -30 -294
SetAPen= -30 -312
setbpen= -30 -318
WaitTOF= -30 -240
text= -30 -30
start:
	jsr setup	;Initialisiert die Bitmaps und
			;oeffnet benoetigte Libraries
grafik:

	jsr setcopper

	move.l dos_base,a6
	move.l #bild,d1
	move.l #1005,d2
	jsr open(a6)
	beq ende
	move.l d0,fn

	move.l dos_base,a6
	move.l fn,d1
	move.l #dummy,d2
	move.l #42,d3
	jsr read(a6)
	beq ende

	move.l dos_base,a6
	move.l fn,d1
	move.l #col_buf,d2
	move.l #64,d3
	jsr read(a6)
	beq ende

	move.l #col_buf,a0
	move.l #co0,a1
	move.b #32,d0
col1:	move.w (a0)+,(a1)
	add.l #4,a1
	sub.b #1,d0
	bne col1

	move.l #bitplane1,d2
	jsr laden
	move.l #bitplane2,d2
	jsr laden
	move.l #bitplane3,d2
	jsr laden
	move.l #bitplane4,d2
	jsr laden
	move.l #bitplane5,d2
	jsr laden




	move.l dos_base,a6
	move.l fn,d1
	jsr close(a6)
	jmp wait

laden:	move.l dos_base,a6
	move.l fn,d1
	move.l #11528,d3
	jsr read(a6)
	beq ende
	rts

	
wait:
	andi.b	#64,$bfe001	;Bit 7 (linke Maustaste)
	bne wait
ende:	move.l copptr,a0
	move.l	oldcop,(a0)	;Alte Copperliste wieder bereit-
	move.l exec,a6
	move.l	GfxBase,a1	;stellen und Gfxlibrary
	jsr	CloseLibrary(a6);schliessen
	move.l dos_base,a1
	jsr closelibrary(a6)
	jsr	Permit(a6)	;Multitasking wieder zulassen
	ILLEGAL			;Rueckkehr zum SEKA
	rts			;ende

setup:
	move.l	Exec,a6		;Exebase-Adresse nach a6
	jsr	permit(a6)	;Stop Multitasking

	move.l exec,a6
	lea.l dosname,a1
	jsr Openlibrary(a6)
	move.l d0,dos_base

	lea	GrName,a1	;Gfxname nach a1
	jsr	OpenLibrary(a6)	;Gfxlibrary oeffnen
	move.l	d0,GfxBase	;Basisadresse buffern
	move.l	d0,a6
	add.l	#$32,d0
	move.l	d0,copptr

	lea	BitMap,a0	;Bitmapstruktur nach a0
	moveq	#5,d0		;Tiefe (5 Bitplanes)
	move.l	#352,d1		;320 Pixel nach x
	move.l	#262,d2		;200 Pixel nach y
	jsr	InitBitMap(a6)	;Bitmap Initialisieren
	lea	RastPort,a1	;erhaltenen Rastport nach a1
	jsr	InitRastPort(a6);Rastport initialisieren	
	move.l	#BitMap,R_BitMap


	move.l	#BitPlane1,d0	;Adresse Bitplane nach d0
	move.l	d0,Plane1	;Adresse auch nach Plane1
	move.l	d0,a0		;und nach Adressregister a0
	move.w	d0,lo1		;sowie in Copperliste speichern
	swap	d0		;Hi-Nibble isolieren und eben-
	move.w	d0,hi1		;falls nach Copperliste
	move.l	#3000,d0	;8000 Bytes fuer Bitplane bele-
cl1:	clr.l	(a0)+
	dbf	d0,cl1

	move.l #bitplane2,d0
	move.l d0,plane2
	move.l d0,a0
	move.w d0,lo2
	swap d0
	move.w d0,hi2
	move.l #3000,d0
cl2:	clr.l (a0)+
	dbf d0,cl2

	move.l #bitplane3,d0
	move.l d0,plane3
	move.l d0,a0
	move.w d0,lo3
	swap d0
	move.w d0,hi3
	move.l #3000,d0
cl3:	clr.l (a0)+
	dbf d0,cl3

	move.l #bitplane4,d0
	move.l d0,plane4
	move.l d0,a0
	move.w d0,lo4
	swap d0
	move.w d0,hi4
	move.l #3000,d0
cl4:	clr.l (a0)+
	dbf d0,cl4

	move.l #bitplane5,d0
	move.l d0,plane5
	move.l d0,a0
	move.w d0,lo5
	swap d0
	move.w d0,hi5
	move.l #3000,d0
cl5:	clr.l (a0)+
	dbf d0,cl5
	rts

setcopper:
	move.l	copptr,a0	;Adresse der Copperliste nach a0
	move.l	(a0),oldcop	;Alte Liste zwischenspeichern
	move.l	#Copper,(a0)	;Neue Liste fue Copper
	rts

Copper:
	DC.W	$0180
co0:	dc.w	$0000
	DC.W	$0182
co1:	dc.w	$0fff
	DC.W	$0184
co2:	dc.w	$000f
	DC.W	$0186	
co3:	dc.w	$0f00
	DC.W    $0188
co4:	dc.w	$000f
	DC.W	$018a
co5:	dc.w	$0f0f
	DC.W	$018c
co6:	dc.w	$00ff
	DC.W	$018e
co7:	dc.w	$f0ff
	DC.W	$0190
co8:	dc.w	$0620
	DC.W	$0192
co9:	dc.w	$0e50
	DC.W	$0194
co10:	dc.w	$09f1
	DC.W	$0196	
co11:	dc.w	$0eb0
	dc.w	$0198
co12:	dc.w	$055f
	dc.w	$019a
co13:	dc.w	$092f
	dc.w	$019c
co14:	dc.w	$00f8
	dc.w	$019e
co15:	dc.w	$0ccc
	dc.w	$01a0
co16:	dc.w	$0000		
	dc.w	$01a2
co17:	dc.w	$0d22
	dc.w	$01a4
co18:	dc.w	$0000
	dc.w	$01a6
co19:	dc.w	$0fca
	dc.w	$01a8
co20:	dc.w	$0444	
	dc.w	$01aa
co21:	dc.w	$0555
	dc.w	$01ac
co22:	dc.w	$0666
	dc.w	$01ae
co23:	dc.w	$0777
	dc.w	$01b0
co24:	dc.w	$0888
	dc.w	$01b2
co25:	dc.w	$0999
	dc.w	$01b4
co26:	dc.w	$0aaa
	dc.w	$01b6
co27:	dc.w	$0bbb
	dc.w	$01b8
co28:	dc.w	$0ccc
	dc.w	$01ba
co29:	dc.w	$0ddd
	dc.w	$01bc
co30:	dc.w	$0eee
	dc.w	$01be
co31:	dc.w	$0fff
	DC.W	$00e0
hi1:	DC.W	$0002
	DC.W	$00e2
lo1:	DC.W	$1000
	DC.W	$00e4
hi2:	DC.W	$0002
	DC.W	$00e6
lo2:	DC.W    $1000
	DC.W	$00e8
hi3:	DC.W	$0002
	DC.W	$00ea
lo3:	DC.W	$1000
	DC.W	$00ec
hi4:	DC.W	$0002
	DC.W	$00ee
lo4:	DC.W	$1000
	DC.W	$00f0
hi5:	DC.W	$0002
	DC.W	$00f2
lo5:	DC.W	$1000
	DC.W	$0100,%0101000000000000
	DC.W	$0102
delay:	DC.W	$00
	DC.W	$0108,0
	DC.W	$010a,0
	DC.W	$0092,$002e
	DC.W	$0094,$00d0
	DC.W	$008e,$1c81
	DC.W	$0090,$22ff
	DC.W	$ffff,$fffe


BitMap:
BytesPerRow: 	blk.w 1,0
Bytes:		blk.w 1,0
Flags: 		blk.b 1,0
Depth: 		blk.b 1,0
Pad:  		blk.w 1,0
Plane1:		blk.l 1,0
Plane2:		blk.l 1,0
Plane3:		blk.l 1,0
Plane4:		blk.l 1,0
Plane5:		blk.l 1,0
Planes:		blk.l 1,0

RastPort:
		blk.l 1,0
R_BitMap:	blk.l 1,0
		blk.b 2+4+4+4+8,0
		blk.b 4,0
cp_x:		blk.w 1,0
cp_y:		blk.w 1,0
   		blk.b 8+22+[7*2]+[2*4]+8,0
		blk.w 6,0
even
GrName:		DC.B 'graphics.library',0
Dosname:	DC.B 'dos.library',0
even

copptr:		blk.l 1,0
oldcop:		blk.l 1,0
GfxBase:	blk.l 1,0
Dos_base:	blk.l 1,0
fn:		blk.l 1,0
col_buf:	blk.l 16,0
bild:		dc.b 'df1:farbe',0
dummy:		blk.l 1,0