221 lines
4.5 KiB
Tal
221 lines
4.5 KiB
Tal
( Mouse:
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Paint with 3 colors with each mouse button. )
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|00 @System &vector $2 &wst $1 &rst $1 &pad $4 &r $2 &g $2 &b $2 &debug $1 &halt $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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|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &pad $3 &modx $2 &mody $2
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|0000
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@line &x2 $2 &y2 $2
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@length $2
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@frame $2
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@pen &x $2 &y $2 &x2 $2 &y2 $2
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@pointer &x $2 &y $2 &lastx $2 &lasty $2 &state $1
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|0100 ( -> )
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( theme )
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#4cfd .System/r DEO2
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#4cf3 .System/g DEO2
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#dcf2 .System/b DEO2
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( vectors )
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;on-mouse .Mouse/vector DEO2
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;on-frame .Screen/vector DEO2
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draw-mouse
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BRK
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(
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@|vectors )
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@on-frame ( -> )
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.Mouse/state DEI ?&skip
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;run DUP2 JSR2 JSR2
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&skip
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BRK
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@on-mouse ( -> )
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( clear last cursor )
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.pointer/x LDZ2 .Screen/x DEO2
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.pointer/y LDZ2 .Screen/y DEO2
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;fill-icn .Screen/addr DEO2
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[ LIT2 40 -Screen/sprite ] DEO
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draw-mouse
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( draw new cursor )
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;pointer-icn .Screen/addr DEO2
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#00 .Screen/auto DEO
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.Mouse/x DEI2 DUP2 .pointer/x STZ2 .Screen/x DEO2
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.Mouse/y DEI2 DUP2 .pointer/y STZ2 .Screen/y DEO2
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#45 .Mouse/state DEI #00 NEQ #05 MUL ADD .Screen/sprite DEO
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( on down )
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.Mouse/state DEI #00 NEQ .pointer/state LDZ #00 EQU AND ?on-mouse-down
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( on drag )
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.Mouse/state DEI ?on-mouse-drag
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.Mouse/state DEI .pointer/state STZ
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BRK
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@on-mouse-down ( -> )
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#0000 DUP2 .length STZ2 .frame STZ2
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clear-screen
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( record start position )
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.Mouse/x DEI2 DUP2 .pointer/x STZ2 .pointer/lastx STZ2
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.Mouse/y DEI2 DUP2 .pointer/y STZ2 .pointer/lasty STZ2
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.Mouse/state DEI .pointer/state STZ
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BRK
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@on-mouse-drag ( -> )
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( record )
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;stroke .length LDZ2 #20 SFT2 ADD2 STH2
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.pointer/x LDZ2 .pointer/lastx LDZ2 SUB2 STH2kr STA2
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.pointer/y LDZ2 .pointer/lasty LDZ2 SUB2 STH2r INC2 INC2 STA2
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( move ptr )
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.length LDZ2 INC2 .length STZ2
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( draw line )
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.pointer/lastx LDZ2
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.pointer/lasty LDZ2
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.pointer/x LDZ2
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.pointer/y LDZ2
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#01 draw-line
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( record last position )
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.Mouse/x DEI2
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DUP2 .pointer/lastx STZ2
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DUP2 .pen/x STZ2
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.pen/x2 STZ2
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.Mouse/y DEI2
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DUP2 .pointer/lasty STZ2
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DUP2 .pen/y STZ2
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.pen/y2 STZ2
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.Mouse/state DEI
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DUP #01 NEQ INC ;run/color STA
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.pointer/state STZ
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BRK
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(
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@|main )
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@run ( -- )
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( read )
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;stroke .frame LDZ2 #20 SFT2 ADD2 STH2
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.pen/x LDZ2 STH2kr LDA2 ADD2 .pen/x STZ2
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.pen/y LDZ2 STH2r INC2 INC2 LDA2 ADD2 .pen/y STZ2
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( line )
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.pen/x LDZ2 .pen/y LDZ2
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.pen/x2 LDZ2 .pen/y2 LDZ2
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.frame LDZ2 #01 SFT2 NIP #01 AND [ LIT &color $1 ] ADD INC draw-line
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( history )
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.pen/x LDZ2 .pen/x2 STZ2
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.pen/y LDZ2 .pen/y2 STZ2
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( incr frame )
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.frame LDZ2 INC2 .length LDZ2 INC2 ( mod2 ) DIV2k MUL2 SUB2 .frame STZ2
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JMP2r
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@draw-mouse ( -- )
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( clear )
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#0010
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DUP2 .Screen/x DEO2
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.Screen/y DEO2
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#16 .Screen/auto DEO
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;fill-icn .Screen/addr DEO2
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#40 .Screen/sprite DEOk DEO
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( buttons )
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#0300
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&l
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#01 OVR #40 SFT SFT .Mouse/state DEI AND #00 EQU ?&no-draw
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#0010 .Screen/y DEO2
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#00 OVR #40 SFT2 ;button-icn ADD2 .Screen/addr DEO2
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#45 .Screen/sprite DEO
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&no-draw
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INC GTHk ?&l
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POP2
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( outline )
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#0010 .Screen/y DEO2
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;mouse-icn .Screen/addr DEO2
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#16 .Screen/auto DEO
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#4a .Screen/sprite DEOk DEO
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JMP2r
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@draw-line ( x1* y1* x2* y2* color -- )
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( load )
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,&color STR
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,&y STR2
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,&x STR2
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.line/y2 STZ2
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.line/x2 STZ2
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,&x LDR2 .line/x2 LDZ2 SUB2 abs2 ,&dx STR2
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#0000 ,&y LDR2 .line/y2 LDZ2 SUB2 abs2 SUB2 ,&dy STR2
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#ffff #00 .line/x2 LDZ2 ,&x LDR2 lts2 DUP2 ADD2 ADD2 ,&sx STR2
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#ffff #00 .line/y2 LDZ2 ,&y LDR2 lts2 DUP2 ADD2 ADD2 ,&sy STR2
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[ LIT2 &dx $2 ] [ LIT2 &dy $2 ] ADD2 ,&e1 STR2
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&loop
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.line/x2 LDZ2 DUP2 .Screen/x DEO2 [ LIT2 &x $2 ] EQU2
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.line/y2 LDZ2 DUP2 .Screen/y DEO2 [ LIT2 &y $2 ] EQU2
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[ LIT2 &color $1 -Screen/pixel ] DEO
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AND ?&end
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[ LIT2 &e1 $2 ] DUP2 ADD2 DUP2
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,&dy LDR2 lts2 ?&skipy
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,&e1 LDR2 ,&dy LDR2 ADD2 ,&e1 STR2
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.line/x2 LDZ2 [ LIT2 &sx $2 ] ADD2 .line/x2 STZ2
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&skipy
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,&dx LDR2 gts2 ?&skipx
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,&e1 LDR2 ,&dx LDR2 ADD2 ,&e1 STR2
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.line/y2 LDZ2 [ LIT2 &sy $2 ] ADD2 .line/y2 STZ2
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&skipx
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!&loop
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&end
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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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@clear-screen ( -- )
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#0000 DUP2 .Screen/x DEO2 .Screen/y DEO2
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#80 .Screen/pixel DEO
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JMP2r
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@fill-icn [
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ffff ffff ffff ffff ]
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@pointer-icn [
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80c0 e0f0 f8e0 1000 ]
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@mouse-icn [
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000d 1212 1212 121d
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00b0 4848 4848 48b8
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1010 1010 1008 0700
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0808 0808 0810 e000 ]
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@button-icn [
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000c 1e1e 1e1e 1e0c
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0000 0000 0000 0000
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0001 0303 0303 0301
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0080 c0c0 c0c0 c080
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0000 0000 0000 0000
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0030 7878 7878 7830 ]
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(
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@|memory )
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@stroke
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