228 lines
7.0 KiB
Tal
228 lines
7.0 KiB
Tal
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( a blank file )
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|00 @System &vector $2 &wst $1 &rst $1 &eaddr $2 &ecode $1 &pad $1 &r $2 &g $2 &b $2 &debug $1 &halt $1
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|10 @Console &vector $2 &read $1 &pad $5 &write $1 &error $1
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|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
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|30 @Audio0 &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &length $2 &addr $2 &volume $1 &pitch $1
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|40 @Audio1 &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &length $2 &addr $2 &volume $1 &pitch $1
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|50 @Audio2 &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &length $2 &addr $2 &volume $1 &pitch $1
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|60 @Audio3 &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &length $2 &addr $2 &volume $1 &pitch $1
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|80 @Controller &vector $2 &button $1 &key $1 &func $1
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|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &pad $3 &scrollx $2 &scrolly $2
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|a0 @File0 &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
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|b0 @File1 &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
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|c0 @DateTime &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1
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( variables )
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|0000
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@player
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&x $2 &y $2 &a $2
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@line
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&x $2 &y $2 &dx $2 &dy $2 &e1 $2
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( program )
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|0100 ( -> )
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( theme )
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#0fe5 .System/r DEO2
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#0fc5 .System/g DEO2
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#0f25 .System/b DEO2
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( vectors )
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;on-frame .Screen/vector DEO2
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#0060 .player/x STZ2
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#0070 .player/y STZ2
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#0032 .player/a STZ2
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;draw-map JSR2
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BRK
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(
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@|vectors )
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@on-frame ( -> )
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.player/x LDZ2
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.player/y LDZ2
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[ LIT2 &range 0020 ] STH2k ;raycast JSR2
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OVR2 .player/x LDZ2 STH2kr #01 SFT2 SUB2 ADD2
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#03 SFT2 ;print JSR2 #2018 DEO
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DUP2 .player/y LDZ2 STH2kr #01 SFT2 SUB2 ADD2
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#03 SFT2 ;print JSR2 #0a18 DEO
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SWP2 .player/x LDZ2 STH2kr #01 SFT2 SUB2 ADD2 SWP2
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.player/y LDZ2 STH2r #01 SFT2 SUB2 ADD2
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#02 ;draw-line JSR2
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,&range LDR2 INC2 ,&range STR2
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BRK
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@raycast ( range* -- x* y* )
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STH2
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.player/a LDZ2 #10 SFT2 ;sin60 ADD2 LDA2
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#00 SWP STH2kr MUL2 #08 SFT2 ,&y STR2
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#00 SWP STH2r MUL2 #08 SFT2 ,&x STR2
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[ LIT2 &x $2 ]
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[ LIT2 &y $2 ]
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JMP2r
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@draw-map ( -- )
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#01 .Screen/auto DEO
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#0000 .Screen/y DEO2
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#1000
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&ver
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STHk
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#0000 .Screen/x DEO2
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#1000
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&hor
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( id ) #00 OVR STHkr #40 SFT ADD
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( addr* ) #0003 MUL2 ;nametable ADD2
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LDA2k ;spritesheet ADD2 .Screen/addr DEO2
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( color ) INC2 INC2 LDA .Screen/sprite DEO
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INC GTHk ,&hor JCN
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POP2
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POPr
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.Screen/y DEI2k #0008 ADD2 ROT DEO2
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INC GTHk ,&ver JCN
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POP2
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( draw player )
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.player/x LDZ2 #0004 SUB2 .Screen/x DEO2
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.player/y LDZ2 #0004 SUB2 .Screen/y DEO2
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;player-icn .Screen/addr DEO2
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#05 .Screen/sprite DEO
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JMP2r
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#3c00
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&a
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#00 OVR .player/a STZ2
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#ff00
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&r
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#00 OVR ;raycast JSR2 ;get-tile JSR2 #00 NEQ ,&collide JCN
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INC GTHk ,&r JCN
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&collide
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POP2
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INC GTHk ,&a JCN
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POP2
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JMP2r
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@get-tile ( x* y* -- tile )
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#03 SFT2 #0010 SFT2
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#03 SFT2 ADD2 #0003 MUL2 ;nametable ADD2 LDZ
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JMP2r
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@draw-line ( x1* y1* x2* y2* color -- )
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( load ) STH ,&y STR2 ,&x STR2 .line/y STZ2 .line/x STZ2
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,&x LDR2 .line/x LDZ2 SUB2 ;abs2 JSR2 .line/dx STZ2
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#0000 ,&y LDR2 .line/y LDZ2 SUB2 ;abs2 JSR2 SUB2 .line/dy STZ2
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#ffff #00 .line/x LDZ2 ,&x LDR2 ;lts2 JSR2 DUP2 ADD2 ADD2 ,&sx STR2
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#ffff #00 .line/y LDZ2 ,&y LDR2 ;lts2 JSR2 DUP2 ADD2 ADD2 ,&sy STR2
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.line/dx LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2
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&loop
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.line/x LDZ2 DUP2 .Screen/x DEO2 [ LIT2 &x $2 ] EQU2
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.line/y LDZ2 DUP2 .Screen/y DEO2 [ LIT2 &y $2 ] EQU2
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STHkr .Screen/pixel DEO
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AND ,&end JCN
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.line/e1 LDZ2 DUP2 ADD2 DUP2
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.line/dy LDZ2 ;lts2 JSR2 ,&skipy JCN
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.line/e1 LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2
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.line/x LDZ2 [ LIT2 &sx $2 ] ADD2 .line/x STZ2
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&skipy
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.line/dx LDZ2 ;gts2 JSR2 ,&skipx JCN
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.line/e1 LDZ2 .line/dx LDZ2 ADD2 .line/e1 STZ2
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.line/y LDZ2 [ LIT2 &sy $2 ] ADD2 .line/y STZ2
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&skipx
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,&loop JMP
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&end
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POPr
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JMP2r
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@abs2 DUP2 #0f SFT2 EQU #05 JCN #0000 SWP2 SUB2 JMP2r
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@lts2 #8000 STH2k ADD2 SWP2 STH2r ADD2 GTH2 JMP2r
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@gts2 #8000 STH2k ADD2 SWP2 STH2r ADD2 LTH2 JMP2r
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@print ( short* -- )
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SWP ,&byte JSR
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&byte ( byte -- ) DUP #04 SFT ,&char JSR
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&char ( char -- ) #0f AND DUP #09 GTH #27 MUL ADD #30 ADD #18 DEO
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JMP2r
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@print-str ( str* -- )
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&while
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LDAk #18 DEO
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INC2 LDAk ,&while JCN
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POP2
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JMP2r
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@player-icn
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0010 387c 3810 0000
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@sin60 ( 60 positions on a circle )
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8000 8d00 9a02 a706 b40b c011 cb18 d520
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df2a e734 ee40 f44b f958 fd65 ff72 ff80
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ff8d fd9a f9a7 f4b4 eec0 e7cb dfd5 d5df
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cbe7 c0ee b4f4 a7f9 9afd 8dff 80ff 72ff
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65fd 58f9 4bf4 40ee 34e7 2adf 20d5 18cb
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11c0 0bb4 06a7 029a 008d 0080 0072 0265
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0658 0b4b 113f 1834 202a 2a20 3418 3f11
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4b0b 5806 6502 7200
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@spritesheet
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0000 0000 0000 0000 0000 0000 0000 0000
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ffff ffff ffff ffff 0000 0000 0000 0000
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0000 0000 0000 0000 ffff ffff ffff ffff
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ffff ffff ffff ffff ffff ffff ffff ffff
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0000 0000 0000 0000 ffff ffff ffff ffff
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ffff ffff ffff ffff ffff ffff ffff ffff
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0000 0000 0000 0000 ffff ffff ffff ffff
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ffff ffff ffff ffff ffff ffff ffff ffff
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@nametable
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0010 8100 1081 0010 8100 1081 0010 8100 1081 0010 8100 1081 0010 8100 1081 0010
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8100 1081 0010 8100 1081 0010 8100 1081 0010 8100 0081 0000 8100 0081 0000 8100
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0081 0000 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 1081
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0010 8100 0081 0000 8100 0081 0000 8100 2081 0020 8100 0081 0000 8100 0081 0000
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8100 0081 0000 8100 0081 0000 8100 1081 0010 8100 0081 0000 8100 0081 0000 8100
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1081 0000 8100 0081 0010 8100 1081 0010 8100 1081 0010 8100 3081 0030 8100 1081
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0010 8100 0081 0000 8100 0081 0000 8100 1081 0000 8100 0081 0000 8100 0081 0000
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8100 0081 0000 8100 0081 0000 8100 1081 0010 8100 0081 0000 8100 0081 0000 8100
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1081 0000 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 1081
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0010 8100 0081 0000 8100 1081 0010 8100 1081 0010 8100 1081 0010 8100 1081 0000
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8100 0081 0000 8100 0081 0000 8100 1081 0010 8100 0081 0000 8100 1081 0000 8100
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0081 0000 8100 0081 0000 8100 2081 0020 8100 2081 0020 8100 0081 0000 8100 1081
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0010 8100 0081 0000 8100 1081 0000 8100 0081 0000 8100 0081 0000 8100 1081 0000
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8100 0081 0000 8100 0081 0000 8100 1081 0010 8100 0081 0000 8100 1081 0000 8100
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0081 0000 8100 0081 0000 8100 1081 0000 8100 2081 0020 8100 2081 0020 8100 2081
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0010 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 3081 0000
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8100 0081 0000 8100 0081 0000 8100 2081 0020 8100 0081 0000 8100 0081 0000 8100
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0081 0000 8100 0081 0000 8100 3081 0000 8100 0081 0000 8100 0081 0000 8100 2081
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0020 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 1081 0000
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8100 0081 0000 8100 0081 0000 8100 2081 0020 8100 0081 0010 8100 1081 0020 8100
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2081 0020 8100 2081 0010 8100 1081 0000 8100 0081 0000 8100 0081 0000 8100 1081
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0020 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 0081 0000 8100 0081 0000
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8100 0081 0000 8100 0081 0000 8100 1081 0020 8100 2081 0020 8100 1081 0010 8100
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1081 0010 8100 3081 0030 8100 3081 0010 8100 1081 0020 8100 2081 0010 8100 1081
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