Pl3 HEXER.S
*HEXER SPRITE DEMO, 12/88* anz equ 5 pea 0 move #$20,-(sp) trap #1 addq.l #6,sp move.l d0,ssp lea stack,a7 move.b $ff8260,rezsave move.b $ff820a,palsave movem.l $ff8240,d0-d7 movem.l d0-d7,palettesave move.w #2,-(sp) trap #14 addq.l #2,sp move.l d0,oldram bsr vsync move.b #0,$ff8260 move.b #2,$ff820a movem.l palette,d0-d7 movem.l d0-d7,$ff8240 move.l #bildschirme+256,d0 and.l #$ffffff00,d0 move.l d0,vidram add.l #32000,d0 move.l d0,logram bsr setbild *effacer l'ecran *42 moveq #0,d1 move.l vidram,a0 move #15999,d0 clloop move.l d1,(a0)+ dbra d0,clloop *cylindres *49 gesamte_zeile move.l vidram,a0 move.l logram,a1 add.l #160*50,a0 add.l #160*50,a1 moveq #99,d7 move.l #$8787ffff,d0 move.l #$55556666,d1 bildinit_noch_eine_zeile moveq #19,d6 bildinit_gesamte_zeile move.l d1,(a0)+ move.l d0,(a0)+ move.l d1,(a1)+ move.l d0,(a1)+ dbra d6,bildinit_gesamte_zeile swap d0 rol.w #2,d0 swap d0 ;d1 ?????? rol.l #2,d1 dbra d7,bildinit_noch_eine_zeile ******************************** 73 main: lea sppuffer,a2 lea daten,a0 lea masken,a1 move #0,d7 spinitloop: movem.l d7/a0-a2,-(sp) bsr preshift movem.l (sp)+,d7/a0-a2 add.l #6144,a2 add.l #128,a0 add.l #32,a1 dbra d7,spinitloop *99 lea savepuffer,a0 move #anz-1,d0 spcloop: clr.l (a0) add.l #262,a0 clr.l (a0) add.l #262,a0 dbra d0,spcloop move #anz-1,d4 lea x,a3 lea y,a4 lea xg,a5 lea yg,a6 kinitloop move #17,-(sp) trap #14 addq.l #2,sp moveq #0,d1 move.w d0,d1 **** page 103 ************* divu #336,d1 swap d1 move.w d1,(a3)+ move.w #17,-(sp) trap #14 addq.l #2,sp moveq #0,d1 move.w d0,d1 divu #216,d1 swap d1 move.w d1,(a4)+ move #17,-(sp) trap #14 addq.l #2,sp move d0,d1 lsr #1,d1 and #1,d0 and #1,d1 tst d0 bne xgi1 move #-1,d0 xgi1: tst d1 bne ygi1 move #-1,d1 ygi1: move d0,(a5)+ move d1,(a6)+ dbra d4,kinitloop testloop: bsr vsync lea anz*262*2+savepuffer,a6 move #anz-1,d5 spundrawloop: sub.l #524,a6 move.l a6,a0 bsr spriteundraw dbra d5,spundrawloop *173 lea savepuffer,a3 lea x,a5 lea y,a6 move #anz-1,d7 stdrawloop: move (a5)+,d0 move (a6)+,d1 *autre cote*********** moveq #0,d2 move d7,-(sp) move.l a3,-(sp) bsr sprite move.l (sp)+,a3 move (sp)+,d7 add.l #524,a3 dbra d7,stdrawloop lea x,a2 lea y,a3 lea xg,a4 lea yg,a5 move #anz-1,d7 kcalcloop: move (a2),d0 move (a3),d1 add (a4),d0 bpl xok1 neg.w (a4) addq.w #2,d0 xok1: add (a5),d1 bpl yok1 neg.w (a5) addq.w #2,d1 yok1: cmp #336,d0 bcs xok2 neg.w (a4) subq #2,d0 xok2: cmp #216,d1 bcs yok2 neg.w (a5) subq #2,d1 yok2: move d0,(a2)+ move d1,(a3)+ addq.l #2,a4 addq.l #2,a5 dbra d7,kcalcloop bsr bildchange not saveindex move #$b,-(sp) *page 104*********** trap #1 addq.l #2,sp tst d0 beq testloop move #7,-(sp) trap #1 addq.l #2,sp bra exit ;*************************253 exit: bsr vsync move.b palsave,$ff820a move.b rezsave,$ff8260 movem.l palettesave,d0-d7 movem.l d0-d7,$ff8240 move.l oldram,d0 bsr setbild move.l ssp,-(sp) move #$20,-(sp) trap #1 addq.l #6,sp clr.W -(sp) trap #1 setbild: lsr.l #8,d0 move.b d0,$ff8203 lsr #8,d0 move.b d0,$ff8201 rts bildchange: move.l logram,d0 move.l vidram,logram move.l d0,vidram bra setbild vsync: move #37,-(sp) trap #14 addq.l #2,sp rts ************291 preshift: move #15,d7 spinitloop0: moveq #0,d0 move.w (a1),(a2)+ move.w (a1)+,(a2)+ move.l d0,(a2)+ move.l (a0)+,(a2)+ move.l (a0)+,(a2)+ move.l d0,(a2)+ move.l d0,(a2)+ dbra d7,spinitloop0 move #14,d7 spinitloop1: lea -384(a2),a3 move #15,d6 spinitloop2: move.w (a3),d0 swap d0 move.w 4(a3),d0 lsr.l #1,d0 *******a cote not.l (a3)+ not.l (a3)+ move.w d0,4(a2) move.w d0,6(a2) swap d0 move.w d0,(a2) move.w d0,2(a2) addq.l #8,a2 move.w (a3),d0 swap d0 move.w 8(a3),d0 lsr.l #1,d0 move.w d0,8(a2) swap d0 move.w d0,(a2) addq.l #2,a2 ***335 addq.l #2,a3 move.w (a3),d0 swap d0 move.w 8(a3),d0 lsr.l #1,d0 move.w d0,8(a2) swap d0 move.w d0,(a2) addq.l #2,a2 addq.l #2,a3 move.w (a3),d0 swap d0 move.w 8(a3),d0 lsr.l #1,d0 move.w d0,8(a2) swap d0 move.w d0,(a2) addq.l #2,a2 addq.l #2,a3 move.w (a3),d0 swap d0 **356 move.w 8(a3),d0 lsr.l #1,d0 move.w d0,8(a2) swap d0 move.w d0,(a2) add.l #10,a2 add.l #10,a3 dbra d6,spinitloop2 dbra d7,spinitloop1 lea -384(a2),a3 move #15,d0 nochinvertloop: not.l (a3) not.l 4(a3) add.l #24,a3 dbra d0,nochinvertloop rts *************** 376 sprite: tst saveindex bpl savep1 add.l #262,a3 savep1: addq #1,d0 move d0,d4 move d1,d5 lea sppuffer,a0 move d0,d3 and #15,d3 mulu #384,d3 mulu #6144,d2 add.l d2,d3 add.l d3,a0 *******page 105 and #$fff0,d0 lsr #1,d0 mulu #160,d1 add d0,d1 sub #2400+8,d1 move.l logram,a1 add.w d1,a1 move #15,d7 move d5,d6 sub #15,d6 bpl obenclipok add d6,d7 bmi spabgang neg.w d6 move d6,d0 mulu #24,d6 add.l d6,a0 mulu #160,d0 add.l d0,a1 obenclipok: move #199,d6 sub d5,d6 bpl xclip add d6,d7 bmi spabgang xclip: cmp #16,d4 bcs splinksclip cmp #320,d4 bcc sprechtsclip move.l #144,d6 *437 move.l a1,(a3)+ move.w d7,(a3)+ spritescanloop: move.l (a1),(a3)+ move.l 4(a1),(a3)+ move.l 8(a1),(a3)+ move.l 12(a1),(a3)+ movem.l (a0)+,d0-d5 and.l d0,(a1) and.l d0,4(a1) and.l d1,8(a1) and.l d1,12(a1) or.l d2,(a1)+ or.l d3,(a1)+ or.l d4,(a1)+ or.l d5,(a1)+ add.l d6,a1 dbra d7,spritescanloop rts spabgang: clr.l (a3)+ clr.l (a3)+ rts splinksclip: move.l #152,d6 addq.l #8,a1 move.l a1,(a3)+ move.w d7,(a3)+ bset #7,-2(a3) spritescanloop1: move.l (a1),(a3)+ move.l 4(a1),(a3)+ movem.l (a0)+,d0-d5 and.l d1,(a1) and.l d1,4(a1) or.l d4,(a1)+ or.l d5,(a1)+ add.l d6,a1 dbra d7,spritescanloop1 rts *****cote suivant sprechtsclip: cmp #336,d4 bcc spabgang move.l #152,d6 move.l a1,(a3)+ move.w d7,(a3)+ bset #7,-2(a3) spritescanloopr: move.l (a1),(a3)+ move.l 4(a1),(a3)+ movem.l (a0)+,d0-d5 and.l d0,(a1) and.l d0,4(a1) or.l d2,(a1)+ or.l d3,(a1)+ add.l d6,a1 dbra d7,spritescanloopr rts ***** 518 spriteundraw: tst saveindex bpl savep1und add.l #262,a0 savep1und: tst.l (a0) beq noundraw move.l (a0),a1 clr.l (a0)+ move.w (a0)+,d7 bmi halbundraw move.l #160,d6 undrawloop: movem.l (a0)+,d0-d3 movem.l d0-d3,(a1) add.l d6,a1 dbra d7,undrawloop noundraw: rts halbundraw and #255,d7 move.l #152,d6 halbundrawloop: move.l (a0)+,(a1)+ move.l (a0)+,(a1)+ add.l d6,a1 dbra d7,halbundrawloop rts palette dc.w $0,$700,$730,$750,$770,$470,$70,$75 dc.w $77,$111,$222,$333,$444,$555,$666,$777 daten: dc.w $03C0,$07E0,$0000,$07E0,$0810,$1818,$07E0,$1FF8 dc.w $0000,$2004,$1FF8,$3FFC,$1310,$4C02,$3FFC,$7FFE dc.w $4F12,$5C02,$3FFC,$7FFE,$0804,$9C09,$7FFE,$FFFF dc.w $9411,$8805,$7FFE,$FFFF,$982B,$8005,$7FFE,$FFFF dc.w $800B,$8005,$7FFE,$FFFF,$A155,$8009,$7FFE,$FFFF dc.w $1994,$8009,$7FFE,$FFFF,$426A,$4012,$3FFC,$7FFE dc.w $09D0,$4422,$3FFC,$7FFE,$0420,$23C4,$1FF8,$3FFC dc.w $09D0,$1818,$07E0,$1FF8,$03C0,$07E0,$0000,$07E0 ***** page 106 masken: dc.w $07E0,$1FF8,$3FFC,$7FFE,$7FFE,$FFFF,$FFFF,$FFFF dc.w $FFFF,$FFFF,$FFFF,$7FFE,$7FFE,$3FFC,$1FF8,$07E0 section bss ssp ds.l 1 vidram ds.l 1 logram ds.l 1 oldram ds.l 1 rezsave ds.b 1 palsave ds.b 1 palettesave ds.w 16 x ds.w anz y ds.w anz xg ds.w anz yg ds.w anz saveindex ds.w 1 ds.l 200 stack ds.l 4 bildschirme ds.b 64256 savepuffer ds.b 262*anz*2 sppuffer: END
Back to ASM_Tutorial