484 lines
12 KiB
Plaintext
484 lines
12 KiB
Plaintext
(
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app/left : text editor
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TODO
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- Follow cursor when moving out of the screen
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- Moving should using selection instead of position
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- Slowdown ctrl keys
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- Save/Load
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- Select blank lines
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- Real scrolling distance
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- page up/down move with ctrl+arrow
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- Select line by clicking line number
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- Syntax highlight?
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- Double-click select word
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- Right-click find next instance of selection
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- Mouse block selection
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- Copy/Cut/Paste
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)
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&Console { pad 8 stdio 1 }
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&Screen { width 2 height 2 pad 4 x 2 y 2 color 1 }
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&Sprite { pad 8 x 2 y 2 addr 2 color 1 }
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&Controller { buttons 1 }
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&Keyboard { key 1 }
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&Mouse { x 2 y 2 state 1 chord 1 xt 1 yt 1 }
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&File { pad 8 name 2 length 2 load 2 save 2 }
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&Document { eof 2 body 8000 }
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&Range2d { from 2 to 2 }
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&Point2d { x 2 y 2 }
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&Label2d { x 2 y 2 color 1 addr 2 }
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&Textarea2d { x1 2 y1 2 x2 2 y2 2 addr 2 cursor 1 }
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;selection Range2d
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;pt Point2d ;mouse Point2d ;position Point2d ;scroll Point2d
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;textarea Textarea2d
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;label Label2d
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;j 2 ;addr 2
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|0100 @RESET
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( load file )
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,filepath ,load-file JSR
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( place textarea )
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#0018 =textarea.x1 ~dev/screen.height #0008 SUB2 =textarea.y2
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,select JSR
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,redraw JSR
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BRK
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@FRAME
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( ctrl )
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,no-ctrl ~dev/ctrl #00 EQU JMP? POP2
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,no-ctrl-down ~dev/ctrl #04 ROR #01 NEQ JMP? POP2
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~position.y #0001 SUB2 =position.y
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,select JSR ,redraw JSR ,no-ctrl JMP
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@no-ctrl-down
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,no-ctrl-up ~dev/ctrl #04 ROR #02 NEQ JMP? POP2
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~position.y #0001 ADD2 =position.y
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,select JSR ,redraw JSR ,no-ctrl JMP
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@no-ctrl-up
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,no-ctrl-left ~dev/ctrl #04 ROR #04 NEQ JMP? POP2
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~selection.from #0001 SUB2 =selection.from
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~selection.from #0001 ADD2 =selection.to
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,redraw JSR ,no-ctrl JMP
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@no-ctrl-left
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,no-ctrl-right ~dev/ctrl #04 ROR #08 NEQ JMP? POP2
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~selection.from #0001 ADD2 =selection.from
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~selection.from #0001 ADD2 =selection.to
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,redraw JSR ,no-ctrl JMP
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@no-ctrl-right
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@no-ctrl
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( keys )
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,keys-end ~dev/key #00 EQU JMP? POP2
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,no-backspace ~dev/key #08 NEQ JMP? POP2
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( erase )
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~position.x #0001 SUB2 =position.x ,select JSR
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~document.eof #0001 SUB2 =document.eof
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~selection.from =j ( start -> end )
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@erase-loop
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~j #0001 ADD2 LDR ~j STR
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( incr ) ~j #0001 ADD2 =j
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,erase-loop ~j ~document.eof LTH2 JMP? POP2
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( release ) #00 =dev/key
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,redraw JSR
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,keys-end JMP
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@no-backspace
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( insert )
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~document.eof #0001 ADD2 =document.eof
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~document.eof =j ( end -> start )
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@insert-loop
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~j #0001 SUB2 LDR ~j STR
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( decr ) ~j #0001 SUB2 =j
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,insert-loop ~j ~selection.from GTH2 JMP? POP2
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~dev/key ~selection.from STR
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~selection.from #0001 ADD2 =selection.from
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~selection.from #0001 ADD2 =selection.to
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( release ) #00 =dev/key
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,redraw JSR
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@keys-end
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( mouse )
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,click-end ~dev/mouse.state #00 EQU JMP? POP2
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( scrollbar )
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,no-click-scroll ~dev/mouse.x ~dev/screen.width #0008 SUB2 LTH2 JMP? POP2
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,no-click-scroll-up ~dev/mouse.y #0008 GTH2 JMP? POP2
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,scroll-up JSR
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,click-end JMP
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@no-click-scroll-up
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,no-click-scroll-down ~dev/mouse.y ~dev/screen.height #0008 SUB2 LTH2 JMP? POP2
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,scroll-down JSR
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,click-end JMP
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@no-click-scroll-down
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( on scrollbar )
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~dev/mouse.y #0008 SUB2 =scroll.y
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,redraw JSR
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,click-end JMP
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@no-click-scroll
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( select body )
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~dev/mouse.y #0008 DIV2 ~scroll.y ADD2 =position.y
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~dev/mouse.x ~textarea.x1 SUB2 #0008 ADD2 #0008 DIV2 =position.x
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,select JSR
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,redraw JSR
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@click-end
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,draw-cursor JSR
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BRK
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@load-file ( path )
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=dev/file.name #8000 =dev/file.length ,document.body =dev/file.load
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( get file length )
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,document.body =document.eof
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@load-file-loop
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( incr ) ~document.eof #0001 ADD2 =document.eof
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,load-file-loop ~document.eof LDR #00 NEQ JMP? POP2
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RTS
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@scroll-up
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( clamp ) ~scroll.y #0000 EQU2 RTS?
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( decr ) ~scroll.y #0001 SUB2 =scroll.y
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,redraw JSR
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RTS
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@scroll-down
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( incr ) ~scroll.y #0001 ADD2 =scroll.y
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,redraw JSR
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RTS
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@select
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,document.body =j #0000 =pt.x #0000 =pt.y
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@select-loop
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,no-reached ~pt.y ~position.y NEQ2 JMP? POP2
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,no-reached ~pt.x ~position.x NEQ2 JMP? POP2
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,no-ctrl-yes ~dev/ctrl #0f AND #01 NEQ JMP? POP2
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~j =selection.to
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RTS
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@no-ctrl-yes
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~j =selection.from
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~j #0001 ADD2 =selection.to
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RTS
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@no-reached
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,no-space ~j LDR #0a NEQ ~j LDR #0d NEQ #0101 EQU2 JMP? POP2
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( incr ) ~pt.y #0001 ADD2 =pt.y
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#0000 =pt.x
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@no-space
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( incr ) ~pt.x #0001 ADD2 =pt.x
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( incr ) ~j #0001 ADD2 =j
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,select-loop ~j LDR #00 NEQ JMP? POP2
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RTS
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@redraw
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,draw-textarea JSR
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,draw-scrollbar JSR
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,draw-titlebar JSR
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,draw-lines JSR
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( save/load icons )
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~dev/screen.height #0008 SUB2 =dev/sprite.y
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~dev/screen.width #0018 SUB2 =dev/sprite.x
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,load_icn =dev/sprite.addr
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#02 =dev/sprite.color
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~dev/screen.width #0010 SUB2 =dev/sprite.x
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,save_icn =dev/sprite.addr
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#02 =dev/sprite.color
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RTS
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@draw-lines
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#0000 =j
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#0000 =dev/sprite.x
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#0000 =dev/sprite.y
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@draw-lines-loop
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#0000 =dev/sprite.x
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~scroll.y ~j ADD2 =addr
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,font_hex #00 ,addr #0001 ADD2 LDR #f0 AND #04 ROR #08 MUL ADD2 =dev/sprite.addr
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( draw ) #02 ~addr ~position.y EQU2 ADD =dev/sprite.color
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~dev/sprite.x #0008 ADD2 =dev/sprite.x
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,font_hex #00 ,addr #0001 ADD2 LDR #0f AND #08 MUL ADD2 =dev/sprite.addr
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( draw ) #02 ~addr ~position.y EQU2 ADD =dev/sprite.color
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( incr ) ~j #0001 ADD2 =j
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( incr ) ~dev/sprite.y #0008 ADD2 =dev/sprite.y
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,draw-lines-loop ~j ~dev/screen.height #0008 DIV2 NEQ2 JMP? POP2
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RTS
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@draw-short ( short )
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=addr
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,font_hex #00 ,addr LDR #f0 AND #04 ROR #08 MUL ADD2 =dev/sprite.addr
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( draw ) #0e =dev/sprite.color
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~dev/sprite.x #0008 ADD2 =dev/sprite.x
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,font_hex #00 ,addr LDR #0f AND #08 MUL ADD2 =dev/sprite.addr
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( draw ) #0e =dev/sprite.color
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~dev/sprite.x #0008 ADD2 =dev/sprite.x
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,font_hex #00 ,addr #0001 ADD2 LDR #f0 AND #04 ROR #08 MUL ADD2 =dev/sprite.addr
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( draw ) #0e =dev/sprite.color
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~dev/sprite.x #0008 ADD2 =dev/sprite.x
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,font_hex #00 ,addr #0001 ADD2 LDR #0f AND #08 MUL ADD2 =dev/sprite.addr
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( draw ) #0e =dev/sprite.color
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RTS
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@draw-cursor
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~mouse.x ~dev/mouse.x NEQU2
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~mouse.y ~dev/mouse.y NEQU2
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#0000 EQU2 RTS? ( Return if unchanged )
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( clear last cursor )
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~mouse.x =dev/sprite.x
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~mouse.y =dev/sprite.y
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,blank_icn =dev/sprite.addr
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#10 =dev/sprite.color
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( record mouse positions )
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~dev/mouse.x =mouse.x
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~dev/mouse.y =mouse.y
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( draw new cursor )
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~mouse.x =dev/sprite.x
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~mouse.y =dev/sprite.y
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,cursor_icn =dev/sprite.addr
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#13 =dev/sprite.color
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RTS
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@draw-textarea ( x y color addr )
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,document.body =textarea.addr
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( scroll to position )
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#0000 =j ( j is linebreaks )
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@find-scroll-offset
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,find-scroll-offset-end ~scroll.y ~j EQU2 JMP? POP2
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,no-break ~textarea.addr LDR #0a NEQ ~textarea.addr LDR #0d NEQ #0101 EQU2 JMP? POP2
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( incr ) ~j #0001 ADD2 =j
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@no-break
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( incr ) ~textarea.addr #0001 ADD2 =textarea.addr
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,find-scroll-offset ~textarea.addr LDR #00 NEQ JMP? POP2
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@find-scroll-offset-end
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~textarea.addr #0000 ADD2 =textarea.addr
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#0000 =dev/sprite.y
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~textarea.addr =j
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#0018 =dev/sprite.x
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@draw-textarea-loop
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,no-linebreak ~j LDR #0a NEQ ~j LDR #0d NEQ #0101 EQU2 JMP? POP2
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( fill clear )
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@fill-clear
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( incr ) ~dev/sprite.x #0008 ADD2 =dev/sprite.x
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,font =dev/sprite.addr
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#01 =dev/sprite.color
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,fill-clear ~dev/sprite.x ~dev/screen.width #0010 SUB2 LTH2 JMP? POP2
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#0010 =dev/sprite.x
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( incr ) ~dev/sprite.y #0008 ADD2 =dev/sprite.y
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@no-linebreak
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,draw-textarea-end ~dev/sprite.y ~dev/screen.height #0010 SUB2 GTH2 JMP? POP2
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( get character )
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,font #00 ~j LDR #20 SUB #0008 MUL2 ADD2 =dev/sprite.addr
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( draw ) #01
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~j ~selection.from #0001 SUB2 GTH2
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~j ~selection.to LTH2 #0101 EQU2
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#05 MUL ADD =dev/sprite.color
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( incr ) ~j #0001 ADD2 =j
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( incr ) ~dev/sprite.x #0008 ADD2 =dev/sprite.x
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,draw-textarea-loop ~j LDR #00 NEQ JMP? POP2
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@draw-textarea-end
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RTS
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@draw-scrollbar
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~dev/screen.width #0008 SUB2 =dev/sprite.x
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#0000 =dev/sprite.y
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,scrollbar_bg =dev/sprite.addr
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@draw-scrollbar-loop
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( draw ) #08 =dev/sprite.color
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( incr ) ~dev/sprite.y #0008 ADD2 =dev/sprite.y
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,draw-scrollbar-loop ~dev/sprite.y ~dev/screen.height LTH2 JMP? POP2
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#0000 =dev/sprite.y
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,arrowup_icn =dev/sprite.addr
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( draw ) #08 =dev/sprite.color
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( at )
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~scroll.y #0008 ADD2 =dev/sprite.y
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,scrollbar_fg =dev/sprite.addr
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( draw ) #08 =dev/sprite.color
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~dev/screen.height #0008 SUB2 =dev/sprite.y
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,arrowdown_icn =dev/sprite.addr
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( draw ) #08 =dev/sprite.color
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RTS
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@draw-titlebar
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#0018 ~dev/screen.height #0008 SUB2 #09 ,filepath
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( load ) =label.addr =label.color =dev/sprite.y =dev/sprite.x
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~label.addr
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@draw-titlebar-loop
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( draw ) DUP2 LDR #00 SWP #20 SUB #0008 MUL2 ,font ADD2 =dev/sprite.addr ~label.color =dev/sprite.color
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( incr ) #0001 ADD2
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( incr ) ~dev/sprite.x #0008 ADD2 =dev/sprite.x
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DUP2 LDR #00 NEQ ,draw-titlebar-loop ROT JMP? POP2
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POP2
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( selection )
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~selection.from ,document.body SUB2 ,draw-short JSR
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( length )
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~dev/screen.width #0040 SUB2 =dev/sprite.x
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~document.eof ,document.body SUB2 ,draw-short JSR
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RTS
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@font_hex ( 0-F TODO: should pull from @font instead.. )
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[
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003c 464a 5262 3c00 0018 0808 0808 1c00
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003c 4202 3c40 7e00 003c 421c 0242 3c00
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000c 1424 447e 0400 007e 407c 0242 3c00
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003c 407c 4242 3c00 007e 0204 0810 1000
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003c 423c 4242 3c00 003c 4242 3e02 3c00
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003c 4242 7e42 4200 007c 427c 4242 7c00
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003c 4240 4042 3c00 007c 4242 4242 7c00
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007e 4078 4040 7e00 007e 4078 4040 4000
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]
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@font ( specter8-frag font )
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[
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0000 0000 0000 0000 0008 0808 0800 0800
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0014 1400 0000 0000 0024 7e24 247e 2400
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0008 1e28 1c0a 3c08 0000 2204 0810 2200
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0030 4832 4c44 3a00 0008 1000 0000 0000
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0004 0808 0808 0400 0020 1010 1010 2000
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0000 2214 0814 2200 0000 0808 3e08 0800
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0000 0000 0000 0810 0000 0000 3e00 0000
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0000 0000 0000 0800 0000 0204 0810 2000
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003c 464a 5262 3c00 0018 0808 0808 1c00
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003c 4202 3c40 7e00 003c 421c 0242 3c00
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000c 1424 447e 0400 007e 407c 0242 3c00
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003c 407c 4242 3c00 007e 0204 0810 1000
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003c 423c 4242 3c00 003c 4242 3e02 3c00
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0000 0010 0000 1000 0000 1000 0010 1020
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0000 0810 2010 0800 0000 003e 003e 0000
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0000 1008 0408 1000 003c 420c 1000 1000
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003c 4232 4a42 3c00 003c 4242 7e42 4200
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007c 427c 4242 7c00 003c 4240 4042 3c00
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007c 4242 4242 7c00 007e 4078 4040 7e00
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007e 4078 4040 4000 003c 4240 4642 3c00
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0042 427e 4242 4200 001c 0808 0808 1c00
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007e 0202 0242 3c00 0042 4478 4442 4200
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0040 4040 4040 7e00 0042 665a 4242 4200
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0042 6252 4a46 4200 003c 4242 4242 3c00
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007c 4242 7c40 4000 003c 4242 4244 3a00
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007c 4242 7c44 4200 003e 403c 0242 3c00
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007e 0808 0808 1000 0042 4242 4244 3a00
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0042 4242 4224 1800 0042 4242 5a66 4200
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0042 423c 4242 4200 0042 423e 0242 3c00
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007e 020c 3040 7e00 000c 0808 0808 0c00
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0040 2010 0804 0200 0030 1010 1010 3000
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0008 1400 0000 0000 0000 0000 0000 7e00
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0008 0400 0000 0000 0000 3c02 3e42 3a00
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0040 407c 4242 7c00 0000 3c42 4042 3c00
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0002 023e 4242 3e00 0000 3c42 7e40 3e00
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0000 3e40 7840 4000 0000 3c42 3e02 3c00
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0040 405c 6242 4200 0008 0018 0808 0400
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0008 0018 0808 4830 0040 4244 7844 4200
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0010 1010 1010 0c00 0000 6c52 5252 5200
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0000 5c62 4242 4200 0000 3c42 4242 3c00
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0000 7c42 427c 4040 0000 3e42 423e 0202
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0000 5c62 4040 4000 0000 3e40 3c02 7c00
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0008 7e08 0808 1000 0000 4242 4244 3a00
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0000 4242 4224 1800 0000 5252 5252 2e00
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0000 4224 1824 4200 0000 4242 3e02 7c00
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0000 7e02 3c40 7e00 000c 0810 1008 0c00
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0008 0808 0808 0800 0030 1008 0810 3000
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0000 0032 4c00 0000 3c42 99a1 a199 423c
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]
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@blank_icn [ 0000 0000 0000 0000 ]
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@cursor_icn [ 80c0 e0f0 f8e0 1000 ]
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@scrollbar_bg [ aa55 aa55 aa55 aa55 ]
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@scrollbar_fg [ ffff ffff ffff ffff ]
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@arrowup_icn [ 0010 387c fe10 1010 ]
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@arrowdown_icn [ 0010 1010 fe7c 3810 ]
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@load_icn [ feaa d6aa d4aa f400 ]
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@save_icn [ fe82 8282 848a f400 ]
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@filepath1 [ test.txt 00 ]
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@filepath [ projects/software/left.usm 00 ]
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|4000 ;document Document
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|d000 @ERROR BRK
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|FF00 ;dev/console Console
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|FF10 ;dev/screen Screen
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|FF20 ;dev/sprite Sprite
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|FF30 ;dev/ctrl Controller
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|FF40 ;dev/key Keyboard
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|FF50 ;dev/mouse Mouse
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|FF60 ;dev/file File
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|FFF0 .RESET .FRAME .ERROR ( vectors )
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|FFF8 [ 0a4f 0a4f 0a4f ] ( palette )
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