;$VER: D68k 2.0.7 (21.10.95) ;Disassembled File : xa1.0_cyuv_sun3.o-amiga ;FileSize in Bytes : 0001224 ;00000001 0837823C 00000040 00000308 0858EF74 00000015 00000010 00000000 SECTION "",CODE ;000 000776 gcc2_compiled.: ___gnu_compiled_c: _CYUV_What_Rev_API: LINK A6,#-$0000 MOVEQ #$02,D0 UNLK A6 RTS L000001: dc.b "Creativ Technology CYUV",0,0 _CYUV_Codec_Query: LINK A6,#-$0000 MOVE.L A2,-(A7) MOVE.L D2,-(A7) MOVEA.L $0008(A6),A2 CLR.L D0 CLR.L $0014(A2) CLR.L $001C(A2) CLR.L $0020(A2) CLR.L $0028(A2) MOVEQ #$02,D2 MOVE.L D2,$0018(A2) MOVE.L $0004(A2),D1 CMPI.L #$43595556,D1 CYUV BEQ.B L000002 CMPI.L #$63797576,D1 cyuv BNE.B L000004 L000002: MOVE.L #$43595556,$0004(A2) MOVE.L $0008(A2),D0 ADDQ.L #3,D0 MOVEQ #-$04,D2 AND.L D0,D2 MOVE.L D2,$0008(A2) Round(x,4); MOVE.L #_CYUV_Decode_CYUV,$001C(A2) MOVE.L #L000001,$0020(A2) CLR.L $0024(A2) L000003: CLR.L -(A7) CLR.L -(A7) MOVE.L $0008(A2),-(A7) MOVE.L (A2),-(A7) BSR.L _JPG_Alloc_MCU_Bufs MOVE.L (A2),-(A7) BSR.L _XA_Gen_YUV_Tabs MOVE.L (A2),-(A7) BSR.L _JPG_Setup_Samp_Limit_Table MOVEQ #$01,D0 L000004: MOVE.L -$0008(A6),D2 MOVEA.L -$0004(A6),A2 UNLK A6 RTS _CYUV_Decode_CYUV: LINK A6,#-$002C MOVEM.L D2-D7/A2-A5,-(A7) MOVEA.L $0014(A6),A4 decinfo MOVE.L $0008(A4),-$0004(A6) width MOVE.L $000C(A4),-$0008(A6) height MOVE.L $0018(A4),-$000C(A6) mapflag MOVE.L $001C(A4),-$0010(A6) map MOVE.L $0014(A4),-$0014(A6) chdr MOVEA.L $000C(A6),A3 a3=from MOVE.L -$0004(A6),D7 ADD.L D7,D7 rowinc=width*2 MOVE.L D7,-$0018(A6) MOVE.L $0038(A4),-(A7) MOVE.L A0,-$0024(A6) a0 sichern BSR.L _XA_YUV411111_Func MOVE.L D0,-$001C(A6) colorfunc=yuv411111func(imagetype) CLR.L $0024(A4) ys=0 CLR.L $0020(A4) xs=0 MOVE.L -$0004(A6),$0028(A4) xe=width MOVE.L -$0008(A6),$002C(A4) ye=height ADDQ.W #4,A7 MOVEA.L -$0024(A6),A0 a0 restaurieren TST.L $0004(A4) BEQ.B L000005 if(skipflag=0) MOVEQ #$10,D0 BRA.W L000010 L000005: TST.L -$0014(A6) if(chdr)... BEQ.B L000006 MOVEA.L -$0014(A6),A1 MOVE.L $0024(A1),D0 BEQ.B L000006 MOVE.L D0,-$0014(A6) L000006: MOVE.L -$0018(A6),D7 MULSL.L $0034(A4),D0:D7 MOVE.L D7,-$0018(A6) rowinc*=bytespixel LEA $0010(A3),A4 a4=from+16 LEA $0020(A4),A3 a3=from+48; MOVEQ #-$30,D7 ADD.L D7,$0010(A6) dsize-=48 CLR.L -$002C(A6) ycnt=0 TST.L -$0008(A6) if(height=0) BEQ.W L00000F L000007: CLR.L -$0028(A6) L000008: TST.L $0010(A6) if(dsize=0) BEQ.W L00000F dann Ende MOVE.L -$0004(A6),D5 LSR.L #2,D5 mx=width>>2 CLR.L -$0020(A6) flag=0 TST.L -$002C(A6) if(ycnt==0) BNE.B L000009 MOVEA.L _jpg_YUVBufs,A2 yp=yuvbufs.ybuf MOVEA.L _jpg_YUVBufs+4,A0 up=yuvbufs.ubuf MOVEA.L _jpg_YUVBufs+8,A5 vp=yuvbufs.vbuf L000009: SUBQ.L #1,D5 MOVEQ #-$01,D7 CMP.L D5,D7 while(mx--) BEQ.W L00000D CLR.L D6 L00000A: TST.L -$0020(A6) if(flag==0) BNE.B L00000B dann nach L00000B MOVEA.W #$0001,A1 MOVE.L A1,-$0020(A6) flag=1 CLR.L D4 MOVE.B (A3)+,D4 uh=*from++ MOVEQ #$0F,D0 AND.L D4,D0 ul=uh & 0x0f MOVE.L D0,D2 ASL.L #4,D2 ul<<=4 MOVE.B D2,(A2)+ *yp++=ul CLR.L D3 MOVE.B (A3)+,D3 vh=*from++ MOVEQ #$0F,D0 AND.L D3,D0 vl=vh & 0x0f MOVE.B $00(A4,D0.L),D6 d6=from[16+vh] ADD.L D6,D2 ul+=d6 ANDI.L #$000000FF,D2 MOVE.B D2,(A2)+ *yp++=ul ANDI.L #$000000F0,D4 uh &= 0xf0 MOVE.B D4,(A0)+ *up++=uh ANDI.L #$000000F0,D3 vh &= 0xf0 MOVE.B D3,(A5)+ *vp++=vh BRA.B L00000C L00000B: CLR.L D1 MOVE.B (A3)+,D1 y1=*from++ MOVE.L D1,D0 LSR.L #4,D0 y2=y1>>4 MOVE.B $00(A4,D0.L),-$0025(A6) ADD.L -$0028(A6),D4 ANDI.L #$000000FF,D4 MOVE.B D4,(A0)+ MOVEQ #$0F,D0 AND.L D1,D0 MOVE.B $00(A4,D0.L),D0 ANDI.L #$000000FF,D0 ADD.L D0,D2 ANDI.L #$000000FF,D2 MOVE.B D2,(A2)+ CLR.L D1 MOVE.B (A3)+,D1 vh=*from++; MOVE.L D1,D0 LSR.L #4,D0 MOVE.B $00(A4,D0.L),D0 ANDI.L #$000000FF,D0 ADD.L D0,D3 ANDI.L #$000000FF,D3 MOVE.B D3,(A5)+ MOVEQ #$0F,D0 AND.L D1,D0 MOVE.B $00(A4,D0.L),D0 ANDI.L #$000000FF,D0 ADD.L D0,D2 ANDI.L #$000000FF,D2 MOVE.B D2,(A2)+ L00000C: CLR.L D1 MOVE.B (A3)+,D1 MOVEQ #$0F,D0 AND.L D1,D0 MOVE.B $00(A4,D0.L),D0 ANDI.L #$000000FF,D0 ADD.L D0,D2 ANDI.L #$000000FF,D2 MOVE.B D2,(A2)+ MOVE.L D1,D0 LSR.L #4,D0 MOVE.B $00(A4,D0.L),D0 ANDI.L #$000000FF,D0 ADD.L D0,D2 ANDI.L #$000000FF,D2 MOVE.B D2,(A2)+ SUBQ.L #3,$0010(A6) DBF D5,L00000A CLR.W D5 SUBQ.L #1,D5 BCC.W L00000A L00000D: ADDQ.L #1,-$002C(A6) ycnt++ SUBQ.L #1,-$0008(A6) height-- MOVEQ #$01,D7 CMP.L -$002C(A6),D7 BCS.B L00000E if ((ycnt>=2) || (height==0) TST.L -$0008(A6) BNE.W L000007 L00000E: MOVE.L -$0014(A6),-(A7) MOVE.L -$0010(A6),-(A7) MOVE.L -$000C(A6),-(A7) PEA _def_yuv_tabs PEA _jpg_YUVBufs MOVE.L -$002C(A6),-(A7) MOVE.L -$0004(A6),-(A7) MOVE.L -$002C(A6),-(A7) MOVE.L -$0004(A6),-(A7) MOVE.L $0008(A6),-(A7) MOVE.L A0,-$0024(A6) a0 retten MOVEA.L -$001C(A6),A1 JSR (A1) yuv411111func(image,width,ycnt,width,ycnt,yuvbufs,yuvtabs,mapflag,map,chdr) CLR.L -$002C(A6) ycnt=0 MOVE.L -$0018(A6),D7 ADD.L D7,$0008(A6) ip+=rowinc ADDA.W #$0028,A7 MOVEA.L -$0024(A6),A0 a0 restaurieren TST.L -$0008(A6) while(imagey>0) BNE.W L000008 L00000F: MOVEQ #$08,D0 TST.L -$000C(A6) BNE.B L000010 CLR.L D0 L000010: MOVEM.L -$0054(A6),D2-D7/A2-A5 UNLK A6 RTS dc.w $0000