mirror of https://git.sr.ht/~rabbits/uxn
132 lines
2.7 KiB
Plaintext
132 lines
2.7 KiB
Plaintext
( dev/mouse )
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%RTN { JMP2r }
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%8+ { #0008 ADD2 }
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%++ { #0001 ADD2 }
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%-- { #0001 SUB2 }
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%ABS2 { DUP2 #000f SFT2 EQU #04 JNZ #ffff MUL2 }
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%%^ { .% PEK2 } %%= { .% POK2 }
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%%? { .% DEI2 } %%! { .% DEO2 }
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( devices )
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|00 @System [ &vector $2 &pad $6 &r $2 &g $2 &b $2 ]
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|10 @Console [ &pad $8 &char $1 &byte $1 &short $2 &string $2 ]
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|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &color $1 ]
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|40 @Controller [ &vector $2 &button $1 &key $1 ]
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|60 @Mouse [ &vector $2 &x $2 &y $2 &state $1 &chord $1 ]
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|0000
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@line [ &x0 $2 &y0 $2 &x $2 &y $2 &sx $2 &sy $2 &dx $2 &dy $2 &e1 $2 &e2 $2 ]
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@pointer [ &x $2 &y $2 &lastx $2 &lasty $2 &state $1 ]
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@color $1
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( program )
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|0100 ( -> )
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( theme )
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#f0fd System/r!
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#f003 System/g!
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#f002 System/b!
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( vectors ) ;on-mouse Mouse/vector!
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BRK
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@on-mouse ( -> )
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;draw-cursor JSR2
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( on down )
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.Mouse/state DEI #00 NEQ
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.pointer/state PEK #00 EQU
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#0101 EQU2 ,on-mouse-down JNZ
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( on drag )
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.Mouse/state DEI
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#00 NEQ ,on-mouse-drag JNZ
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.Mouse/state DEI .pointer/state POK
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BRK
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@on-mouse-down ( -> )
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( record start position )
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Mouse/x? DUP2 pointer/x= pointer/lastx=
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Mouse/y? DUP2 pointer/y= pointer/lasty=
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.Mouse/state DEI .pointer/state POK
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BRK
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@on-mouse-drag ( -> )
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( draw line )
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pointer/lastx^
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pointer/lasty^
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pointer/x^
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pointer/y^
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#01 ( add mouse state ) [ .Mouse/state DEI #10 EQU #02 MUL ADD ]
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;hairline JSR2
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( record last position )
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Mouse/x? pointer/lastx=
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Mouse/y? pointer/lasty=
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.Mouse/state DEI .pointer/state POK
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BRK
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@draw-cursor ( -- )
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( clear last cursor )
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;clear Screen/addr!
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pointer/x^ Screen/x!
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pointer/y^ Screen/y!
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#30 .Screen/color DEO
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( record pointer positions )
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Mouse/x? pointer/x=
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Mouse/y? pointer/y=
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( draw new cursor )
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;cursor Screen/addr!
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pointer/x^ Screen/x!
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pointer/y^ Screen/y!
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( colorize on state )
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.Mouse/state DEI #00 NEQ
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#31 ADD .Screen/color DEO
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RTN
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@hairline ( x1 y1 x2 y2 color -- )
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( load ) .color POK line/y0= line/x0= line/y= line/x=
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line/x0^ line/x^ SUB2 ABS2 line/dx=
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line/y0^ line/y^ SUB2 ABS2 #0000 SWP2 SUB2 line/dy=
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#ffff #00 line/x^ line/x0^ LTS2 #0002 MUL2 ADD2 line/sx=
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#ffff #00 line/y^ line/y0^ LTS2 #0002 MUL2 ADD2 line/sy=
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line/dx^ line/dy^ ADD2 line/e1=
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&loop
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line/x^ Screen/x! line/y^ Screen/y! .color PEK .Screen/color DEO
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line/x^ line/x0^ EQU2 line/y^ line/y0^ EQU2 #0101 EQU2 ,&end JNZ
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line/e1^ #0002 MUL2 line/e2=
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line/e2^ line/dy^ LTS2 ,&skipy JNZ
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line/e1^ line/dy^ ADD2 line/e1=
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line/x^ line/sx^ ADD2 line/x=
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&skipy
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line/e2^ line/dx^ GTS2 ,&skipx JNZ
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line/e1^ line/dx^ ADD2 line/e1=
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line/y^ line/sy^ ADD2 line/y=
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&skipx
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,&loop JMP
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&end
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RTN
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@clear [ 0000 0000 0000 0000 ]
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@cursor [ 80c0 e0f0 f8e0 1000 ]
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