205 lines
3.8 KiB
Tal
205 lines
3.8 KiB
Tal
|00 @System &vector $2 &pad $6 &r $2 &g $2 &b $2
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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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|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &chord $1
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|0000
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@f $2
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@cursor &x $2 &y $2
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|0100
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( theme )
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#ff09 .System/r DEO2
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#0fa6 .System/g DEO2
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#0f25 .System/b DEO2
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( size )
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#0100 .Screen/width DEO2
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#0080 .Screen/height DEO2
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( animate )
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#01 .Screen/auto DEO
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;on-frame .Screen/vector DEO2
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;on-mouse .Mouse/vector DEO2
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BRK
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(
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@|vectors )
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@on-mouse ( -> )
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#40 ;draw-cursor JSR2
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( draw new cursor )
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.Mouse/x DEI2 .cursor/x STZ2
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.Mouse/y DEI2 .cursor/y STZ2
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;cursor-icn .Screen/addr DEO2
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#41 .Mouse/state DEI #00 NEQ ADD ;draw-cursor JSR2
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.Mouse/state DEI #00 NEQ JMP BRK
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.Mouse/x DEI2 .Mouse/y DEI2 ;paint-pixel JSR2
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BRK
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@cursor-icn
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80c0 e0f0 f8e0 1000
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@draw-cursor ( color -- )
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#00 .Screen/auto DEO
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.cursor/x LDZ2 .Screen/x DEO2
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.cursor/y LDZ2 .Screen/y DEO2
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.Screen/sprite DEO
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JMP2r
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@on-frame ( -> )
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( paint pixels )
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.f LDZ2 #00ff AND2
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( x )
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DUP2 #001f ADD2 #007f AND2 #10 SFT2 ;cos ADD2 LDA2 #0a SFT2
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#00e0 SUB2 ,&x STR2
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( y )
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DUP2 #007f AND2 #10 SFT2 ;cos ADD2 LDA2 #0a SFT2 #0018 ADD2
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,&y STR2
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POP2
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[ LIT2 &x $2 ]
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.f LDZ2 #02 SFT2 #007f AND2 #10 SFT2 ;cos ADD2 LDA2 #09 SFT2 ADD2
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[ LIT2 &y $2 ]
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;paint-shape JSR2
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.f LDZ2k INC2 ROT STZ2
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BRK
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(
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@|helpers )
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@get-pixel ( x* y* -- color )
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( channel 1 )
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OVR2 SWP2 ,get-pixel-addr JSR [ STH2k ] LDA
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ROT ROT NIP #07 AND [ STHk ]
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#07 SWP SUB SFT #01 AND
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( channel 2 )
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[ STHr ] [ STH2r ] #0008 ADD2 LDA SWP
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#07 SWP SUB SFT #01 AND
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DUP ADD
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ADD
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JMP2r
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@get-pixel-addr ( x* y* -- addr* )
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( get row )
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DUP2 #0007 AND2
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( get tile )
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( width ) SWP2 #93 SFT2 ADD2
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( height ) SWP2 #43 SFT2 ADD2
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;texture ADD2
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JMP2r
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@put-pixel ( x* y* color -- )
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STH
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OVR2 SWP2 ,get-pixel-addr JSR
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( ch1 ) OVR2 OVR2 STHkr #00 ,toggle-pixel JSR
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( ch2 ) #0008 ADD2 STHr #01
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@toggle-pixel ( x* addr* color -- )
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STH2
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LDAk
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STH SWP2 NIP
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STHr SWP
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STH2r SFT #01 AND ,&do-set JCN
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( mask ) #0107 ROT #07 AND SUB #40 SFT SFT #ff EOR AND
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( save ) ROT ROT STA
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JMP2r
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&do-set
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( mask ) #0107 ROT #07 AND SUB #40 SFT SFT ORA
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( save ) ROT ROT STA
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JMP2r
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@paint-shape ( x* y* -- )
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,&y STR2 ,&x STR2
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.f LDZ2 #01 SFT2 #007f AND2 #10 SFT2 ;cos ADD2 LDA2 #07 SFT2 NIP #00
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&l
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#00 OVR STH2
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[ LIT2 &x $2 ] STH2kr #0007 AND2 ADD2
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[ LIT2 &y $2 ] STH2r #03 SFT2 ADD2 ;paint-pixel JSR2
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INC GTHk ,&l JCN
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POP2
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JMP2r
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@paint-pixel ( x* y* -- )
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OVR2 OVR2 ;get-pixel JSR2 INC2 #03 AND ;put-pixel JSR2
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;draw-texture JSR2
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JMP2r
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@draw-texture ( -- )
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#05 .Screen/auto DEO
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#0000 .Screen/y DEO2
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;texture .Screen/addr DEO2
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#1000 ( height )
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&h
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#0000 .Screen/x DEO2
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#2000 ( width )
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&w
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#81 .Screen/sprite DEO
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INC GTHk ,&w JCN
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POP2
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.Screen/y DEI2k #0008 ADD2 ROT DEO2
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INC GTHk ,&h JCN
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POP2
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JMP2r
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(
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@|assets )
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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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@tile-icn
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ffff ffff ffff ffff
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@circle-icn
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030f 3f3f 7f7f ffff c0f0 fcfc fefe ffff
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ffff 7f7f 3f3f 0f03 ffff fefe fcfc f0c0
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@cos ( cos256 )
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ffff ffff ffff fefe fdfc fcfb faf9 f8f7
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f6f5 f3f2 f0ef edec eae8 e6e4 e2e0 dedc
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dad8 d5d3 d1ce ccc9 c7c4 c1bf bcb9 b6b3
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b0ae aba8 a5a2 9f9c 9895 928f 8c89 8683
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807c 7976 7370 6d6a 6763 605d 5a57 5451
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4f4c 4946 4340 3e3b 3836 3331 2e2c 2a27
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2523 211f 1d1b 1917 1513 1210 0f0d 0c0a
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0908 0706 0504 0303 0201 0100 0000 0000
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0000 0000 0000 0101 0203 0304 0506 0708
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090a 0c0d 0f10 1213 1517 191b 1d1f 2123
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2527 2a2c 2e31 3336 383b 3e40 4346 494c
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4f51 5457 5a5d 6063 676a 6d70 7376 797c
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7f83 8689 8c8f 9295 989c 9fa2 a5a8 abae
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b0b3 b6b9 bcbf c1c4 c7c9 ccce d1d3 d5d8
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dadc dee0 e2e4 e6e8 eaec edef f0f2 f3f5
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f6f7 f8f9 fafb fcfc fdfe feff ffff ffff
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@texture
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