diff --git a/gui/sliderule/build.sh b/gui/sliderule/build.sh
new file mode 100755
index 0000000..f031ad8
--- /dev/null
+++ b/gui/sliderule/build.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -e
+
+ID="sliderule"
+ASM="uxncli $HOME/roms/drifblim.rom"
+EMU="uxnemu"
+LIN="uxncli $HOME/roms/uxnlin.rom"
+SRC="${ID}.tal"
+DST="${ID}.rom"
+CPY="$HOME/roms"
+ARG=""
+
+if [[ "$*" == *"--lint"* ]]
+then
+	$LIN $SRC
+fi
+
+$ASM $SRC $DST
+
+if [[ "$*" == *"--save"* ]]
+then
+	cp $DST $CPY
+fi
+
+$EMU $DST $ARG
+
diff --git a/gui/sliderule/sliderule.tal b/gui/sliderule/sliderule.tal
new file mode 100644
index 0000000..ff49eac
--- /dev/null
+++ b/gui/sliderule/sliderule.tal
@@ -0,0 +1,159 @@
+( uxnemu sliderule.rom )
+
+|00 @System &vector $2 &pad $6 &r $2 &g $2 &b $2
+|10 @Console &vector $2 &read $1 &pad $5 &write $1
+|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
+|80 @Controller &vector $2 &button $1 &key $1
+|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &chord $1
+|a0 @File &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
+
+|0000
+
+	@cursor &x $2 &y $2
+	@rods $a $1
+
+|0100
+
+@on-reset ( -> )
+	( | theme )
+	#a10f .System/r DEO2
+	#a00f .System/g DEO2
+	#a00f .System/b DEO2
+	load-theme
+	( | size )
+	#0148 .Screen/width DEO2
+	#0078 .Screen/height DEO2
+	( | unlock )
+	;on-mouse .Mouse/vector DEO2
+	<redraw>
+	BRK
+
+(
+@|vectors )
+
+@on-mouse ( -> )
+	BRK
+
+(
+@|core )
+
+(
+@|drawing )
+
+@<redraw> ( -- )
+	<draw-sliderule>
+	JMP2r
+
+@<draw-sliderule> ( -- )
+	#0020 .Screen/x DEO2
+	#0020 .Screen/y DEO2
+	( | cap )
+	#25 .Screen/auto DEO
+	;cap-chr .Screen/addr DEO2
+	#85 .Screen/sprite DEO
+	<draw-rule>
+	<draw-rule>
+	<draw-rule>
+	JMP2r
+
+@<draw-rule> ( -- )
+	#2300
+	&l ( -- )
+		( | bg )
+		#06 .Screen/auto DEO
+		;bg-chr .Screen/addr DEO2
+		[ LIT2 85 -Screen/sprite ] DEOk DEO
+		
+		( | scale )
+		#05 .Screen/auto DEO
+		#00 OVR #40 SFT2 ;rule-chr ADD2 .Screen/addr DEO2
+		[ LIT2 85 -Screen/sprite ] DEO
+		( adjust ) .Screen/y DEI2k #0010 SUB2 ROT DEO2
+		INC GTHk ?&l
+	POP2
+	( adjust ) .Screen/x DEI2k #0005 SUB2 ROT DEO2
+	JMP2r
+
+(
+@|utils )
+
+@load-theme ( -- )
+	;&path .File/name DEO2
+	#0002 .File/length DEO2
+	;&r .File/read DEO2
+	;&g .File/read DEO2
+	;&b .File/read DEO2
+	.File/success DEI2 ORA #01 JCN
+	JMP2r
+	LIT2 &r $2
+	.System/r DEO2
+	LIT2 &g $2
+	.System/g DEO2
+	LIT2 &b $2
+	.System/b DEO2
+	JMP2r
+	&path ".theme $1
+
+(
+@|spritesheet )
+
+@cursor-icn
+	[ 80c0 e0f0 f8e0 1000 ]
+
+@num-icn
+	[
+	3c66 6e76 6666 3c00 1838 1818 1818 7e00
+	3c66 060c 1830 7e00 7e0c 180c 0666 3c00
+	0c1c 3c6c 7e0c 0c00 7e60 7c06 0666 3c00
+	3c60 607c 6666 3c00 7e06 0c18 3030 3000
+	3c66 663c 6666 3c00 3c66 663e 060c 3800 ]
+
+@bg-chr
+	[
+	00ff ffff ffff ffff ffff ffff ffff ffff
+	ffff ffff ffff ffff ffff ffff ffff ffff ]
+
+@cap-chr
+	[
+	003f 7f7f 7f7f 7f7f 3f7f ffff ffff ffff
+	7f7f 7f7f 7f7f 7f7f ffff ffff ffff ffff
+	7f7f 7f7f 7f7f 3f00 ffff ffff ffff 7f3f ]
+
+@rule-chr
+	[
+	7f7f 7f7f 6d6d ff00 ffff ffff ffff ffff
+	ffff fefe b6b6 ff00 ffff ffff ffff ffff
+	ffff ffff dbdb ff00 ffff ffff ffff ffff
+	fdfd fdfd 6d6d ff00 ffff ffff ffff ffff
+	ffff ffff b6b6 ff00 ffff ffff ffff ffff
+	ffff fbfb dbdb ff00 ffff ffff ffff ffff
+	ffff ffff 6d6d ff00 ffff ffff ffff ffff
+	efef efef adad ff00 ffff ffff ffff ffff
+	ffff ffff b6b6 ff00 ffff ffff ffff ffff
+	ffff dfdf dbdb ff00 ffff ffff ffff ffff
+	fefe fefe 6a6a ff00 ffff ffff ffff ffff
+	ffff ffff dbdb ff00 ffff ffff ffff ffff
+	ffff fdfd 6d6d ff00 ffff ffff ffff ffff
+	ffff ffff b5b5 ff00 ffff ffff ffff ffff
+	dfdf dfdf 5b5b ff00 ffff ffff ffff ffff
+	ffff ffff 6d6d ff00 ffff ffff ffff ffff
+	ffff bfbf b5b5 ff00 ffff ffff ffff ffff
+	f7f7 f7f7 5656 ff00 ffff ffff ffff ffff
+	ffff ffff dbdb ff00 ffff ffff ffff ffff
+	ffff efef 6a6a ff00 ffff ffff ffff ffff
+	fbfb fbfb abab ff00 ffff ffff ffff ffff
+	ffff ffff 6d6d ff00 ffff ffff ffff ffff
+	ffff efef aaaa ff00 ffff ffff ffff ffff
+	fbfb fbfb abab ff00 ffff ffff ffff ffff
+	ffff ffff 6d6d ff00 ffff ffff ffff ffff
+	ffff dfdf 5555 ff00 ffff ffff ffff ffff
+	f7f7 f7f7 5656 ff00 ffff ffff ffff ffff
+	ffff ffff d5d5 ff00 ffff ffff ffff ffff
+	ffff 7f7f 5555 ff00 ffff ffff ffff ffff
+	dfdf dfdf 5a5a ff00 ffff ffff ffff ffff
+	ffff fbfb aaaa ff00 ffff ffff ffff ffff
+	fefe fefe aaaa ff00 ffff ffff ffff ffff
+	ffff ffff aaaa ff00 ffff ffff ffff ffff
+	ffff bfbf aaaa ff00 ffff ffff ffff ffff
+	e0e0 e0e0 a0a0 f000 f0f0 f0f0 f0f0 f0f0 ]
+
diff --git a/gui/sliderule/ss10x10.chr b/gui/sliderule/ss10x10.chr
new file mode 100644
index 0000000..4068ffe
Binary files /dev/null and b/gui/sliderule/ss10x10.chr differ