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- ; Quick MandleBrot code, Old Intuition stuff from the dark ages!
-
- Opt c-
- Section "MandleBrotty Code",Code_c
-
- IncDir Df1:
-
- Start Movem.l d0-d7/a0-a6,-(sp)
- Bsr KillSys
-
- Lea CopperList(pc),a0
- Lea HardWare,a6
- Move.l a0,Cop1Lc(a6)
- Move.w #$83c0,DMACon(a6)
-
- Lea $c0000,a0
- Lea $d0000,a1
- Clear Move.l #0,(a0)+
- Cmp.l a0,a1
- Bne Clear
-
- Bsr DoMandle
-
- Loop Btst #6,$Bfe001
- Bne Loop
-
- Bsr ReturnSys
- Movem.l (sp)+,d0-d7/a0-a6
- Moveq #0,d0
- Rts
-
- DoMandle Lea YPos(pc),a6
- Move.w #0,(a6)
- Move.l Screen(pc),a4
- Add.l #$2800,a4
- Move.l a4,a1
- Add.l #$2800,a4
- Move.l a4,a2
- Add.l #$2800,a4
- Move.l a4,a3
- Add.l #$2800,a4
- Move.l Screen(pc),a0
- Lea YVal(pc),a6
- Move.w #0,(a6)
- Sub.l a6,a6
-
- DoVert Sub.l a5,a5
- Move.l a6,d7
- Lea XVal(pc),a6
- Move.w #0,(a6)
- Move.l d7,a6
-
- DoHoriz Move.l a6,d7
- Move.w XVal(pc),d1
- Move.w YVal(pc),d0
- Move.l d7,a6
- Sub.l MandV1(pc),d1
- Sub.l MandV2(pc),d0
- Move.w MandV3(pc),d7
- Move.l d0,d4
- Move.l d1,d5
- Move.w d0,d2
- Muls.w d2,d2
- Move.w d1,d3
- Muls.w d3,d3
-
- FindColour Sub.l d3,d2
- Asr.l #8,d2
- Add.w d4,d2
- Move.w d1,d3
- Muls.w d0,d3
- Asr.l #7,d3
- Add.w d5,d3
- Move.w d2,d0
- Move.w d3,d1
- Muls.w d2,d2
- Muls.w d3,d3
- Move.l d2,d6
- Add.l d3,d6
- Cmpi.l #$40000,d6
- Bhi.s GotPixCol
- Dbf d7,FindColour
-
- GotPixCol Move.l a5,d2
- Move.w d2,d3
- Not.w d3
- Lsr.w #3,d2
- Add.w a6,d2
- Add.w d7,d7
- Add.w Jumptab+2(pc,d7.w),d7
- Jmp Jumptab+2(pc,d7.w)
-
- Jumptab Incbin df0:SysData/MandleJump.Dat
-
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bra DonePixel
- Bset d3,0(a1,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a1,d2.w)
- Bra DonePixel
- Bset d3,0(a2,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a2,d2.w)
- Bra DonePixel
- Bset d3,0(a1,d2.w)
- Bset d3,0(a2,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a1,d2.w)
- Bset d3,0(a2,d2.w)
- Bra DonePixel
- Bset d3,0(a3,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a3,d2.w)
- Bra DonePixel
- Bset d3,0(a1,d2.w)
- Bset d3,0(a3,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a1,d2.w)
- Bset d3,0(a3,d2.w)
- Bra DonePixel
- Bset d3,0(a2,d2.w)
- Bset d3,0(a3,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a2,d2.w)
- Bset d3,0(a3,d2.w)
- Bra DonePixel
- Bset d3,0(a1,d2.w)
- Bset d3,0(a2,d2.w)
- Bset d3,0(a3,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a1,d2.w)
- Bset d3,0(a2,d2.w)
- Bset d3,0(a3,d2.w)
- Bra DonePixel
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a1,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a1,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a2,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a2,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a1,d2.w)
- Bset d3,0(a2,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a1,d2.w)
- Bset d3,0(a2,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a3,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a3,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a1,d2.w)
- Bset d3,0(a3,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a1,d2.w)
- Bset d3,0(a3,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a2,d2.w)
- Bset d3,0(a3,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a2,d2.w)
- Bset d3,0(a3,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a1,d2.w)
- Bset d3,0(a2,d2.w)
- Bset d3,0(a3,d2.w)
- Bset d3,0(a4,d2.w)
- Bra DonePixel
- Bset d3,0(a0,d2.w)
- Bset d3,0(a1,d2.w)
- Bset d3,0(a2,d2.w)
- Bset d3,0(a3,d2.w)
- Bset d3,0(a4,d2.w)
-
- DonePixel Btst #6,$Bfe001
- Beq.s QuitMand
- Addq.w #1,a5
- Move.l a6,d7
- Lea XVal(pc),a6
- Addi.w #2,(a6)
- Move.l d7,a6
- Cmpa.w #320,a5
- Bne DoHoriz
- Move.l a6,d7
- Lea YVal(pc),a6
- Addi.w #2,(a6)
- Move.l d7,a6
- Adda.w #40,a6
-
- Move.l a6,-(sp)
- Lea YPos(pc),a6
- Add.w #1,(a6)
- Cmp.w #256,(a6)
- Beq QuitM
- Move.l (sp)+,a6
- Bra DoVert
-
- QuitM Move.l (sp)+,a6
- QuitMand Rts
-
- KillSys Bsr.s SysWait
-
- Move.l $4,a6
- Lea GFXName(pc),a1
- Moveq #0,d0
- Jsr -552(a6)
-
- Lea OldCop1(pc),a5
- Move.l $26(a0),$0(a5)
- Move.l $32(a0),$4(a5)
-
- Lea HardWare,a6
- Move.w IntEnaR(a6),d0
- Move.w DMAConR(a6),d1
- Or.w #$8000,d0
- And.w #$03ff,d1
- Or.w #$8000,d1
- Move.w d0,$8(a5)
- Move.w d1,$a(a5)
-
- Move.w #$7fff,IntEna(a6)
- Move.w #$7fff,DMACon(a6)
- Rts
-
- SysWait Move.w #15,d7
- SysWaitLoop Move.l #$05000,d1
- Bsr.s WaitVBL
- Bsr.s DoWaitVBL
- Dbf d7,SysWaitLoop
- Rts
-
- DoWaitVBL Move.l #$03000,d1
- WaitVBL Movem.l d0-d1/a6,-(sp)
- Lea HardWare,a6
- WaitVBLLoop Move.l VPosR(a6),d0
- And.l #$1ff00,d0
- Cmp.l d1,d0
- Bne.s WaitVBLLoop
- Movem.l (sp)+,d0-d1/a6
- Rts
-
- ReturnSys Lea HardWare,a6
- Move.w OldIntEna(pc),IntEna(a6)
- Move.w OldDMACon(pc),DMACon(a6)
- Move.l OldCop1(pc),Cop1lc(a6)
- Move.l OldCop2(pc),Cop2lc(a6)
- Rts
-
- GFXName Dc.b "graphics.library",0
- Even
- OldCop1 Dc.l 0
- OldCop2 Dc.l 0
- OldIntEna Dc.w 0
- OldDmaCon Dc.w 0
-
- XVal Dc.w 0
- YVal Dc.w 0
-
- YPos Dc.w 0
-
- MandV1 Dc.l 260
- MandV2 Dc.l 410
- MandV3 Dc.w 30
-
- Screen Dc.l $c0000
-
- Cmv Macro
- Dc.w \2,\1
- EndM
-
- Cwt Macro
- Dc.w (\1*$100)+$01,$fffe
- EndM
-
- Pal Macro
- Dc.w $ffe1,$fffe
- EndM
-
- EndCop Macro
- Dc.w $ffff,$fffe
- EndM
-
- CopperList Cwt $15
- Cmv $0200,BplCon0
- Cmv $00bb,BplCon1
- Cmv $000a,BplCon2
- Cmv $0034,DdfStrt
- Cmv $00c8,DdfStop
- Cmv $1681,DiwStrt
- Cmv $36c1,DiwStop
- Cmv $0,BplMod1
- Cmv $0,BplMod2
-
- Cwt $16
- Cmv $0000,Color00
- Cmv $0111,Color01
- Cmv $0222,Color02
- Cmv $0333,Color03
- Cmv $0444,Color04
- Cmv $0555,Color05
- Cmv $0666,Color06
- Cmv $0777,Color07
- Cmv $0888,Color08
- Cmv $0999,Color09
- Cmv $0aaa,Color10
- Cmv $0bbb,Color11
- Cmv $0ccc,Color12
- Cmv $0ddd,Color13
- Cmv $0eee,Color14
- Cmv $0fff,Color15
- Cmv $0fff,Color16
- Cmv $0fef,Color17
- Cmv $0fdf,Color18
- Cmv $0fcf,Color19
- Cmv $0fbf,Color20
- Cmv $0faf,Color21
- Cmv $0f9f,Color22
- Cmv $0f8f,Color23
- Cmv $0f7f,Color24
- Cmv $0f6f,Color25
- Cmv $0f5f,Color26
- Cmv $0f4f,Color27
- Cmv $0f3f,Color28
- Cmv $0f2f,Color29
- Cmv $0f1f,Color30
- Cmv $0f0f,Color31
-
- Cwt $25
- CopperBPLS Cmv $0c,BplPt0h
- Cmv $0000,BplPt0l
- Cmv $0c,BplPt1h
- Cmv $2800,BplPt1l
- Cmv $0c,BplPt2h
- Cmv $5000,BplPt2l
- Cmv $0c,BplPt3h
- Cmv $7800,BplPt3l
- Cmv $0c,BplPt4h
- Cmv $a000,BplPt4l
-
- Cwt $28
- Cmv $5200,BplCon0
-
- Pal
- Cwt $28
- Cmv $0200,BplCon0
-
- EndCop
-
- ****Custom Chip Registers****
-
- Hardware = $Dff000
-
- ;Control Registers
-
- Dmaconr = $002
- Vposr = $004
- Vhposr = $006
- Joy0dat = $00A
- Joy1dat = $00C
- Clxdat = $00E
- Intenar = $01C
- Intereqr = $01E
- Copcon = $02E
-
- ;Blitter Registers
-
- Bltcon0 = $040
- Bltcon1 = $042
- Bltafwm = $044
- Bltalwm = $046
- Bltcpth = $048
- Bltcptl = $04A
- Bltbpth = $04C
- Bltbptl = $04E
- Bltapth = $050
- Bltaptl = $052
- Bltdpth = $054
- Bltdptl = $056
- Bltsize = $058
- Bltcmod = $060
- Bltbmod = $062
- Bltamod = $064
- Bltdmod = $066
- Bltcdat = $070
- Bltbdat = $072
- Bltadat = $074
-
- ;Copper Registers
-
- Cop1lc = $080
- Cop1lch = $080
- Cop1lcl = $082
- Cop2lc = $084
- Cop2lch = $084
- Cop2lcl = $086
- Copjmp1 = $088
- Copjmp2 = $08A
- Diwstrt = $08E
- Diwstop = $090
- Ddfstrt = $092
- Ddfstop = $094
- Dmacon = $096
- Clxcon = $098
- Intena = $09A
- Intreq = $09C
-
- ;BitPlane Registers
-
- BplCon0 = $100
- BplCon1 = $102
- BplCon2 = $104
- BplMod1 = $108
- BplMod2 = $10a
-
- BplPt0h = $0e0
- BplPt0l = $0e2
- BplPt1h = $0e4
- BplPt1l = $0e6
- BplPt2h = $0e8
- BplPt2l = $0ea
- BplPt3h = $0ec
- BplPt3l = $0ee
- BplPt4h = $0f0
- BplPt4l = $0f2
- BplPt5h = $0f4
- BplPt5l = $0f6
-
- ;Colour Registers
-
- Color00 = $180
- Color01 = $182
- Color02 = $184
- Color03 = $186
- Color04 = $188
- Color05 = $18a
- Color06 = $18c
- Color07 = $18e
- Color08 = $190
- Color09 = $192
- Color10 = $194
- Color11 = $196
- Color12 = $198
- Color13 = $19a
- Color14 = $19c
- Color15 = $19e
- Color16 = $1a0
- Color17 = $1a2
- Color18 = $1a4
- Color19 = $1a6
- Color20 = $1a8
- Color21 = $1aa
- Color22 = $1ac
- Color23 = $1ae
- Color24 = $1b0
- Color25 = $1b2
- Color26 = $1b4
- Color27 = $1b6
- Color28 = $1b8
- Color29 = $1ba
- Color30 = $1bc
- Color31 = $1be
-
- EcsNop = $1fe
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