diff --git a/gui/m291/makefile b/gui/m291/makefile
index d615beb..61f29d5 100644
--- a/gui/m291/makefile
+++ b/gui/m291/makefile
@@ -8,7 +8,7 @@ ROM=bin/${ID}.rom
 all: ${ROM}
 
 lint:
-	@ ${LIN} ${ID}.tal
+	@ ${LIN} src/${ID}.tal
 run: all
 	@ ${EMU} ${ROM}
 clean:
diff --git a/gui/m291/src/assets.tal b/gui/m291/src/assets.tal
index c7f77a1..79bdbc1 100644
--- a/gui/m291/src/assets.tal
+++ b/gui/m291/src/assets.tal
@@ -349,7 +349,10 @@
 	0000 0000 0000 0000 0000 3333 0000 0000
 	0000 0000 0000 0000 0000 3030 0000 0000 ]
 
+@mem &filepath $80 &dir $800
+	&folders $200
+	&roms $200
+	&misc $200
+
 @buffer $200 &pos $2
 
-@dir $2000
-
diff --git a/gui/m291/src/m291.tal b/gui/m291/src/m291.tal
index c0f7d52..f68a912 100644
--- a/gui/m291/src/m291.tal
+++ b/gui/m291/src/m291.tal
@@ -1,140 +1,396 @@
-( mp3.tal )
-
 |00 @System &vector $2 &expansion $2 &wst $1 &rst $1 &metadata $2 &r $2 &g $2 &b $2 &debug $1 &state $1
-|10 @Console &vector $2
-|12 &read $1
-|17 &type $1
-|18 &write $1
-|19 &error $1
-|1c &addr $2
-|1e &mode $1
-|1f &exec $1
+|10 @Console &vector $2 &read $1 &pad $4 &type $1 &write $1 &error $1
 |20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
-|a0 @File &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
+|80 @Controller &vector $2 &button $1 &key $1
+|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &chord $1 &pad $4 &scrolly &scrolly-hb $1 &scrolly-lb $1
+|a0 @File &vector $2 &success $1 &success-lb $1 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
 
-|100
+|0000
+
+	@misc $1
+	@selection $1 &mod $1
+	@path $2 &null $80
+	@lines &folders $1 &roms $1 &misc $1
+
+|0100
 
 @on-reset ( -> )
-	( | theme )
-	#d2d2 DUP2 .System/r DEO2
-	DUP2 .System/g DEO2
-	.System/b DEO2
-	<draw-directory>
+	;meta #06 DEO2
+	#d20f .System/r DEO2
+	#d24f .System/g DEO2
+	#d204 .System/b DEO2
+	<load-theme>
+	#0100 .Screen/width DEO2
+	;dict/home-path set-path <refresh-dir>
+	;on-mouse .Mouse/vector DEO2
+	;on-control .Controller/vector DEO2
 	BRK
-	( | initialize buffer )
-	;buffer ;buffer/pos STA2
-	( | run mpg123 )
-	;on-console .Console/vector DEO2
-	;program .Console/addr DEO2
-	( cmd addr ) #03 .Console/mode DEO
-	( cmd mode ) #01 .Console/exec DEO
-	( exec ) ;cmd1 print ;cmd2 print BRK
 
-@<draw-directory> ( -- )
-	( here ) { ". $1 }
+@meta $1
+	( name ) "Menu(Porporo) 0a
+	( desc ) "File 20 "Browser 0a
+	( auth ) "By 20 "Devine 20 "Lu 20 "Linvega 0a
+	( date ) "9 20 "Dec 20 "2023 $1
+	( exts ) 00
+
+@on-mouse ( -> )
+	[ LIT2 00 -Mouse/state ] DEI NEQ #41 ADD ;cursor-icn <update-cursor>
+	.Mouse/y DEI2 <y-id>
+	.Mouse/state DEI DUP ?{ POP <select>
+		BRK }
+	#01 GTH .selection/mod STZ
+	<pick>
+	[ LIT2 00 -Mouse/state ] DEO
+	BRK
+
+@<y-id> ( y* -- id )
+	#0003 SUB2
+	( | above )
+	DUP2 #8000 GTH2 ?&outside
+	( | spacer )
+	has-spacer #00 EQU ?{
+		DUP2 [ LIT2 00 -lines/folders ] LDZ #40 SFT2 SUB2 #0008 LTH2 ?&outside
+		DUP2 [ LIT2 00 -lines/folders ] LDZ #40 SFT2 GTH2 #00 SWP #30 SFT2 SUB2 }
+	#04 SFT2 NIP
+	( | below )
+	DUP count-lines LTH ?{ POP #ff JMP2r }
+	JMP2r
+	&outside ( y* -- id )
+		POP2 #ff JMP2r
+
+@on-control ( -> )
+	( | mod )
+	[ LIT2 04 -Controller/button ] DEI AND #00 NEQ .selection/mod STZ
+	( | key )
+	.Controller/key DEI
+	( esc ) DUP #1b NEQ ?{ <escape> }
+	( tab ) DUP #09 NEQ ?{ <toggle-misc> }
+	( enter ) DUP #0d NEQ ?{ .selection LDZ <pick> }
+	POP
+	( | button )
+	.Controller/button DEI
+	( up ) DUP #10 NEQ ?{ #ff <move> }
+	( down ) DUP #20 NEQ ?{ #01 <move> }
+	( A ) DUP #01 NEQ ?{ .selection LDZ <pick> }
+	POP BRK
+
+(
+@|core )
+
+@<refresh-dir> ( -- )
+	;path .File/name DEO2
+	#0800 .File/length DEO2
+	;mem/dir .File/read DEO2
+	( | clean )
+	[ LIT2 00 -lines/folders ] STZ
+	[ LIT2 00 -lines/roms ] STZ
+	[ LIT2 00 -lines/misc ] STZ
+	( | parse )
+	;mem/dir
+	&w ( -- )
+		DUP2 <parse-line>
+		lcap/ INC2 LDAk ?&w
+	POP2
+	( >> )
+
+@fit-window ( -- )
+	#00 count-lines
+	( empty ) DUP #00 EQU ADD #40 SFT2
+	( no-folder spacer ) has-spacer #00 EQU ?{ #0008 ADD2 }
+	( padding ) #0016 ADD2 .Screen/height DEO2
+	!<redraw>
+
+@<parse-line> ( line* -- )
+	#0005 ADD2 LDAk [ LIT ". ] EQU ?&hidden
+	is-folder ?&folder
+	is-rom ?&rom
+	;mem/misc [ LIT2 00 -lines/misc ] LDZ #40 SFT2 ADD2 <lcpy>
+	.lines/misc LDZ INC .lines/misc STZ
+	JMP2r
+	&folder ( line* -- )
+		;mem/folders [ LIT2 00 -lines/folders ] LDZ #40 SFT2 ADD2 <lcpy>
+		.lines/folders LDZ INC .lines/folders STZ
+		JMP2r
+	&rom ( line* -- )
+		;mem/roms [ LIT2 00 -lines/roms ] LDZ #40 SFT2 ADD2 <lcpy>
+		.lines/roms LDZ INC .lines/roms STZ
+		JMP2r
+	&hidden ( line* -- )
+		POP2 JMP2r
+
+@<move> ( mod -- )
+	.selection LDZ ADD INCk ?{
+		POP count-lines #01 SUB !<select> }
+	count-lines DIVk MUL SUB
+	( >> )
+
+@<select> ( id -- )
+	[ LIT &last ff ] NEQk ?{ POP2 JMP2r }
+	POP DUP ,&last STR
+	.selection STZ
+	!<redraw>
+
+@<pick> ( alt id -- )
+	DUP .lines/folders LDZ LTH ?&folder
+	.lines/folders LDZ SUB DUP .lines/roms LDZ LTH ?&roms
+	.lines/roms LDZ SUB DUP .lines/misc LDZ LTH ?&misc
+	POP JMP2r
+	&roms ( id -- )
+		#00 SWP #40 SFT2 ;mem/roms ADD2 !<send-path>
+	&misc ( id -- )
+		#00 SWP #40 SFT2 ;mem/misc ADD2 !<send-file>
+	&folder ( id -- )
+		#00 SWP #40 SFT2 ;mem/folders ADD2 !<enter>
+
+@<send-path> ( file* -- )
+	.selection/mod LDZ ?&special
+	[ LIT2 ff -Console/type ] DEO
+	;path <pstr>
+	<pstr>/
+	#0a18 DEO
+	!<exit>
+	&special ( file* -- )
+		[ LIT2 01 -Console/type ] DEO
+		;path <pstr>
+		<pstr>/
+		#0a18 DEO
+		JMP2r
+
+@<send-file> ( file* -- )
+	[ LIT2 01 -Console/type ] DEO
+	.selection/mod LDZ ?&special
+	;path ;mem/filepath STH2k <scpy>
+	STH2kr scap/ <scpy>
 	STH2r .File/name DEO2
-	#2000 .File/length DEO2
-	;dir .File/read DEO2
-	;dir <pstr>
-	#0010 DUP2 .Screen/x DEO2
+	#0001 .File/length DEO2
+	&s ( -- )
+		;&b .File/read DEO2
+		[ LIT2 &b $1 18 ] DEO
+		.File/success-lb DEI ?&s
+	JMP2r
+	&special ( file* -- )
+		;path <pstr>
+		<pstr>/
+		#0a18 DEO
+		JMP2r
+
+@<enter> ( folder* -- )
+	.selection/mod LDZ ?&special
+	push-path !<refresh-dir>
+	&special ( folder* -- )
+		;path <pstr>
+		<pstr>/
+		#0a18 DEO
+		JMP2r
+
+@<leave> ( -- )
+	pop-path !<refresh-dir>
+
+@<escape> ( -- )
+	;path/null LDA ?<leave>
+	( >> )
+
+@<exit> ( -- )
+	#800f DEO
+	JMP2r
+
+@<toggle-misc> ( -- )
+	[ LIT2 00 -misc ] LDZ EQU .misc STZ
+	!fit-window
+
+@count-lines ( -- lines )
+	.lines/folders LDZ .lines/roms LDZ ADD
+	( ) [ LIT2 00 -misc ] LDZ EQU ?{ .lines/misc LDZ ADD }
+	JMP2r
+
+@has-spacer ( -- f )
+	[ LIT2 00 -lines/folders ] LDZ NEQ
+	( ) [ LIT2 00 -lines/roms ] LDZ NEQ
+	( ) [ LIT2 00 -misc ] LDZ EQU ?{
+		[ LIT2 00 -lines/misc ] LDZ NEQ ORA }
+	AND JMP2r
+
+@get-cat ( id -- color )
+	INC .lines/folders LDZ GTHk ?{ POP2 #03 JMP2r }
+	SUB .lines/roms LDZ GTH ?{ #02 JMP2r }
+	#01 JMP2r
+
+@is-folder ( line* -- line* f )
+	DUP2 lcap/ #0001 SUB2 LDA [ LIT "/ ] EQU JMP2r
+
+@is-rom ( line* -- line*f )
+	DUP2 lcap/ #0003 SUB2 ;dict/mp3-ext !scmp3
+
+(
+@|path )
+
+@set-path ( path* -- )
+	;path !<scpy>
+
+@push-path ( subpath* -- )
+	;path scap/ !<scpy>
+
+@pop-path ( -- )
+	;path scap/ #0001 SUB2
+	&w ( -- )
+		;path/null LDA ?{ POP2 JMP2r }
+		#0001 SUB2 LDAk [ LIT "/ ] NEQ ?{
+			LITr 00 STH2
+			INC2r STAr
+			JMP2r }
+		!&w
+
+(
+@|drawing )
+
+@<redraw> ( -- )
+	( | clear )
+	#0000 DUP2 .Screen/x DEO2
 	.Screen/y DEO2
-	;dir <draw-uf2-line>
+	[ LIT2 80 -Screen/pixel ] DEO
+	( | highlight )
+	.selection LDZ <draw-highlight>
+	( | content )
+	#0004 .Screen/y DEO2
+	( | empty )
+	count-lines ?{
+		#0008 .Screen/x DEO2
+		;dict/empty #0f !<draw-uf2> }
+	( | folders )
+	;mem/folders .lines/folders LDZ #05 <draw-list>
+	[ LIT2 00 -lines/folders ] LDZ EQU ?{ <draw-spacer> }
+	;mem/roms .lines/roms LDZ #05 <draw-list>
+	[ LIT2 00 -misc ] LDZ EQU ?{
+		;mem/misc .lines/misc LDZ #0f <draw-list> }
 	JMP2r
 
-@<draw-uf2-line> ( addr* -- )
-	[ LIT2 15 -Screen/auto ] DEO
-	&>while ( -- )
-		LDAk #20 SUB #00 SWP
-		( addr ) DUP2 #50 SFT2 ;font/glyphs ADD2 .Screen/addr DEO2
-		( move ) ;font ADD2 LDA #00 SWP .Screen/x DEI2 ADD2
-		( draw ) [ LIT2 01 -Screen/sprite ] DEOk DEO
-		.Screen/x DEO2
-		INC2 LDAk #0a NEQ ?&>while
+@<draw-spacer> ( -- )
+	#0000 .Screen/x DEO2
+	;dash-icn .Screen/addr DEO2
+	[ LIT2 f2 -Screen/auto ] DEO
+	[ LIT2 05 -Screen/sprite ] DEO
 	JMP2r
 
-@<draw-uf2> ( text* -- )
+@<draw-highlight> ( id -- )
+	( empty ) count-lines ?{ POP JMP2r }
+	;fill-icn .Screen/addr DEO2
+	[ LIT2 f2 -Screen/auto ] DEO
+	#0000 .Screen/x DEO2
+	STH
+	( lines ) #00 STHkr #40 SFT2
+	( | spacer )
+	has-spacer #00 EQU ?{
+		#00 STHkr INC .lines/folders LDZ GTH #30 SFT2 ADD2 }
+	( padding ) #0003 ADD2 .Screen/y DEO2
+	STHr get-cat .Screen/sprite DEOk DEO
+	JMP2r
+
+@<draw-list> ( addr* length color -- )
+	,&color STR
+	DUP ?{ POP2 POP JMP2r }
+	#0008 .Screen/x DEO2
+	#00 SWP2 ,&t STR2
+	&l ( -- )
+		#00 OVR #40 SFT2 [ LIT2 &t $2 ] ADD2 [ LIT &color $1 ] <draw-uf2>
+		#0008 .Screen/x DEO2
+		.Screen/y DEI2k #0010 ADD2 ROT DEO2
+		INC GTHk ?&l
+	POP2 JMP2r
+
+@<draw-uf2> ( addr* color -- )
+	,&color STR
 	[ LIT2 15 -Screen/auto ] DEO
-	&>while ( -- )
+	&w ( -- )
+		LDAk #1f GTH ?{ POP2 JMP2r }
 		LDAk #20 SUB #00 SWP
-		( addr ) DUP2 #50 SFT2 ;font/glyphs ADD2 .Screen/addr DEO2
-		( move ) ;font ADD2 LDA #00 SWP .Screen/x DEI2 ADD2
-		( draw ) [ LIT2 01 -Screen/sprite ] DEOk DEO
+		( ) DUP2 #50 SFT2 ;font/glyphs ADD2 .Screen/addr DEO2
+		( ) ;font ADD2 LDA #00 SWP .Screen/x DEI2 ADD2
+		( ) [ LIT &color 05 ] .Screen/sprite DEOk DEO
 		.Screen/x DEO2
-		INC2 LDAk ?&>while
-	POP2 JMP2r
+		INC2 !&w
 
-@printerr ( s* -> )
-	LDAk ?{
-		#0a .Console/error DEO
-		POP2 JMP2r }
-	LDAk .Console/error DEO
-	INC2 !printerr
+@<update-cursor> ( color addr* -- )
+	[ LIT2 00 -Screen/auto ] DEO
+	;fill-icn .Screen/addr DEO2
+	#40 <draw-cursor>
+	.Mouse/x DEI2 ,<draw-cursor>/x STR2
+	.Mouse/y DEI2 ,<draw-cursor>/y STR2
+	.Screen/addr DEO2
 
-@print ( s* -> )
-	LDAk ?{ POP2 JMP2r }
-	LDAk .Console/write DEO
-	INC2 !print
-
-@on-console ( -> )
-	.Console/type DEI #01 EQU ?{ BRK }
-	.Console/read DEI #0a EQU ?&newline
-	;buffer/pos LDA2k STH2k .Console/read DEI STH2r STA
-	INC2 SWP2 STA2
-	BRK
-	&newline #00 ;buffer/pos LDA2 STA
-	on-line ;buffer ;buffer/pos STA2
-	BRK
-
-@on-line ( -> )
-	;buffer LDAk [ LIT "@ ] EQU ?{ POP2 JMP2r }
-	INC2k LDA [ LIT "F ] EQU ?on-frame
-	!printerr
-
-@on-frame ( buf* -> )
-	POP2 JMP2r
-
-@on-help ( buf* -> )
-	POP2r JMP2r
-
-@on-id3 ( buf* -> )
-	POP2 JMP2r
-
-@on-paused ( buf* -> )
-	POP2 JMP2r
-
-@on-revision ( buf* -> )
-	POP2 JMP2r
-
-@on-status ( buf* -> )
-	POP2 JMP2r
-
-@on-tag ( buf* -> )
-	POP2 JMP2r
+@<draw-cursor> ( color -- )
+	[ LIT2 &x $2 ] .Screen/x DEO2
+	[ LIT2 &y $2 ] .Screen/y DEO2
+	.Screen/sprite DEO
+	JMP2r
 
 (
 @|stdlib )
 
-@<phex> ( short* -: )
-	SWP /b
-	&b ( byte -: )
-	DUP #04 SFT /c
-	&c ( byte -: )
-	#0f AND DUP #09 GTH #27 MUL ADD [ LIT "0 ] ADD #18 DEO
+@scap ( str* -- end* )
+	&w ( -- )
+		INC2 & LDAk ?&w
 	JMP2r
 
-@<pstr> ( str* -: )
-	LDAk #18 DEO
-	INC2 & LDAk ?<pstr>
+@scmp3 ( a* b* -- f )
+	STH2
+	LDAkr LDAk STHr NEQ ?{ INC2r INC2 }
+	LDA2r LDA2 STH2r EQU2 JMP2r
+
+@lcap ( str* -- next-line* )
+	&w ( -- )
+		LDAk #0a EQU ?{
+			INC2 & LDAk ?&w }
+	JMP2r
+
+@<lcpy> ( src* dst* -- )
+	STH2
+	&w ( -- )
+		LDAk #1f GTH ?{
+			POP2 #00 STH2r STA
+			JMP2r }
+		LDAk #00 STH2kr STA2
+		INC2r INC2 !&w
+
+@<scpy> ( src* dst* -- )
+	STH2
+	&w ( -- )
+		LDAk #00 STH2kr STA2
+		INC2r INC2 LDAk ?&w
+	POP2 POP2r JMP2r
+
+@<pstr> ( str* -- )
+	&w ( -- )
+		LDAk #18 DEO
+		INC2 & LDAk ?&w
 	POP2 JMP2r
 
+(
+@|theme )
+
+@<load-theme> ( -- )
+	;&path .File/name DEO2
+	#0002 .File/length DEO2
+	[ LIT2 -System/debug -System/r ]
+	&l ( -- )
+		;&buf .File/read DEO2
+		[ LIT2 00 -File/success-lb ] DEI EQU ?{
+			[ LIT2r &buf $2 ] STHk DEO2r
+			INC INC NEQk ?&l }
+	POP2 JMP2r
+	&path ".theme $1
+
 (
 @|assets )
 
-@program "mpg123 20 "-R 00
+@cursor-icn [ 80c0 e0f0 f8e0 1000 ]
 
-@cmd1 "loadpaused 20 "always_wrong.mp3 0a 00
+@fill-icn [ ffff ffff ffff ffff ]
 
-@cmd2 "pause 0a 00
+@dash-icn [ 0000 00aa 0000 0000 ]
+
+@dict &home-path "./ $1
+	&mp3-ext "mp3 $1
+	&empty "(empty) $1
 
 ~src/assets.tal