mirror of https://git.sr.ht/~rabbits/uxn
Progress on Left
This commit is contained in:
neauoire
parent
a4ed41e0fd
commit
0cbe996f45
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@ -96,6 +96,11 @@ RTS
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- Includes
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- Defines
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## Palettes
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- `[ 6a03 4a0d aa0c ]`, purple/cyan
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- `[ a1f3 a14d a16c ]`, grey-pink/teal
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## Refs
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https://code.9front.org/hg/plan9front/file/a7f9946e238f/sys/src/games/nes/cpu.c
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2
build.sh
2
build.sh
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@ -20,5 +20,5 @@ cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werr
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# cc uxn.c emulator.c -std=c89 -Os -DNDEBUG -g0 -s -Wall -Wno-unknown-pragmas -L/usr/local/lib -lSDL2 -o bin/emulator
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# run
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./bin/assembler projects/software/nasu.usm bin/boot.rom
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./bin/assembler projects/software/left.usm bin/boot.rom
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./bin/emulator bin/boot.rom
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@ -3,17 +3,19 @@
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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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&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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&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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&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 sela 2 selb 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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@ -24,40 +26,51 @@
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|0100 @RESET
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( load file )
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,filepath =dev/file.name #3000 =dev/file.length ,body =dev/file.load
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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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|2000 @FRAME
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@FRAME
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( ctrl )
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,no-ctrl ~dev/ctrl.buttons #00 EQU JMP? POP2
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,no-ctrl-down ~dev/ctrl.buttons #10 EQU JMP? POP2
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#aa NOP
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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.buttons #20 EQU JMP? POP2
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#bb NOP
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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.buttons #40 EQU JMP? POP2
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~textarea.sela #0001 ADD2 =textarea.sela
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~textarea.selb #0001 ADD2 =textarea.selb
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,redraw JSR
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,no-ctrl-left ~dev/ctrl #04 ROR #04 NEQ JMP? POP2
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~position.x #0001 SUB2 =position.x
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,select JSR ,redraw JSR ,no-ctrl JMP
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@no-ctrl-left
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,no-ctrl-right ~dev/ctrl.buttons #80 EQU JMP? POP2
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~textarea.sela #0001 SUB2 =textarea.sela
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~textarea.selb #0001 SUB2 =textarea.selb
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,redraw JSR
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,no-ctrl-right ~dev/ctrl #04 ROR #08 NEQ JMP? POP2
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~position.x #0001 ADD2 =position.x
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,select JSR ,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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,no-keys ~dev/key #00 EQU JMP? POP2
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~dev/key ~selection.from STR
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( release ) #00 =dev/key
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,redraw JSR
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@no-keys
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( mouse )
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,click-end ~dev/mouse.state #00 EQU JMP? POP2
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@ -84,9 +97,9 @@ BRK
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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 DIV2 =position.x
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~dev/mouse.x ~textarea.x1 SUB2 #0008 ADD2 #0008 DIV2 =position.x
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,select-target JSR
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,select JSR
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,redraw JSR
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@click-end
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@ -95,6 +108,18 @@ BRK
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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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@ -110,14 +135,20 @@ RTS
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RTS
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@select-target
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@select
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,body =j #0000 =pt.x #0000 =pt.y
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,document.body =j #0000 =pt.x #0000 =pt.y
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@select-target-loop
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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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@ -130,7 +161,7 @@ RTS
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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-target-loop ~j LDR #00 NEQ JMP? POP2
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,select-loop ~j LDR #00 NEQ JMP? POP2
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RTS
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@ -221,19 +252,20 @@ RTS
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@draw-textarea ( x y color addr )
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,body =textarea.addr
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,document.body =textarea.addr
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( scroll to position )
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#0000 =j
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#0000 =j ( j is linebreaks )
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@find-scroll-offset
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,skip ~scroll.y ~j EQU2 JMP? POP2
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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 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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@skip
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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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@ -248,7 +280,7 @@ RTS
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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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#0008 =dev/sprite.x
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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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@ -256,12 +288,14 @@ RTS
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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 ) #01
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~j ~selection.from #0001 ADD2 GTH2
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~j ~selection.to #0002 ADD2 LTH2 #0101 EQU2
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#05 MUL ADD =dev/sprite.color
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,draw-textarea-loop ~j LDR #00 NEQ JMP? POP2
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@ -308,8 +342,12 @@ RTS
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DUP2 LDR #00 NEQ ,draw-titlebar-loop ROT JMP? POP2
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POP2
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( sel from )
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~selection.from ,draw-short JSR
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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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@ -386,9 +424,10 @@ RTS
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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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@filepath [ projects/software/left.usm 00 ]
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@filepath [ test.txt 00 ]
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@filepath1 [ projects/software/left.usm 00 ]
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|4000 @body [ ]
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|4000 ;document Document
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|d000 @ERROR BRK
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@ -401,4 +440,4 @@ RTS
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|FF60 ;dev/file File
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|FFF0 .RESET .FRAME .ERROR ( vectors )
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|FFF8 [ 6a03 4a0d aa0c ] ( palette )
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|FFF8 [ a1f3 a14d a16c ] ( palette )
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@ -0,0 +1,31 @@
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This is the first line.
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This is a tabbed line.
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The previous line is blank.
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This is another tabbed line.
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This is a very long line, This is a very long line, This is a very long line, This is a very long line.
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This is a text block This is
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is a text block This is a te
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This is a text block This is
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is a text block This is a te
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This is a text block This is
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is a text block This is a te
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This is a text block This is
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is a text block This is a te
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oneword
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two words
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( parens )
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[ block ]
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{ curlies }
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Depth1
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Depth2
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Depth3
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Depth4
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Depth5
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This is the last line.
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