diff --git a/assets/tiles/digit_0.png b/assets/tiles/digit_0.png
new file mode 100644
index 0000000..eed0adb
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diff --git a/assets/tiles/digit_1.png b/assets/tiles/digit_1.png
new file mode 100644
index 0000000..2390096
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diff --git a/assets/tiles/digit_2.png b/assets/tiles/digit_2.png
new file mode 100644
index 0000000..d0fb664
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diff --git a/assets/tiles/digit_3.png b/assets/tiles/digit_3.png
new file mode 100644
index 0000000..f0e26f2
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diff --git a/assets/tiles/digit_4.png b/assets/tiles/digit_4.png
new file mode 100644
index 0000000..765bb92
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diff --git a/assets/tiles/digit_5.png b/assets/tiles/digit_5.png
new file mode 100644
index 0000000..faf1ee8
Binary files /dev/null and b/assets/tiles/digit_5.png differ
diff --git a/assets/tiles/digit_6.png b/assets/tiles/digit_6.png
new file mode 100644
index 0000000..06c690d
Binary files /dev/null and b/assets/tiles/digit_6.png differ
diff --git a/assets/tiles/digit_7.png b/assets/tiles/digit_7.png
new file mode 100644
index 0000000..dc72d18
Binary files /dev/null and b/assets/tiles/digit_7.png differ
diff --git a/assets/tiles/digit_8.png b/assets/tiles/digit_8.png
new file mode 100644
index 0000000..4f18e60
Binary files /dev/null and b/assets/tiles/digit_8.png differ
diff --git a/assets/tiles/digit_9.png b/assets/tiles/digit_9.png
new file mode 100644
index 0000000..7ba2933
Binary files /dev/null and b/assets/tiles/digit_9.png differ
diff --git a/src/main.rs b/src/main.rs
index 74f3eca..9520b2d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,7 +4,7 @@ use std::{
 	ops::Rem,
 };
 
-use marble_engine::{board::Board, parse, tile::Tile, Machine};
+use marble_engine::{board::Board, parse, tile::Tile, tile_to_char, Machine};
 use raylib::prelude::*;
 
 mod marble_engine;
@@ -26,7 +26,7 @@ struct Game {
 	time_since_step: f32,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone, PartialEq)]
 enum Tool {
 	None,
 	SetTile(Tile),
@@ -51,11 +51,11 @@ fn main() {
 
 	let mut textures: HashMap<String, Texture2D> = HashMap::new();
 	for d in read_dir("assets/tiles").unwrap().flatten() {
-		let name = d.file_name();
-		if d.path().is_file() {
-			let name = name.to_string_lossy();
+		let path = d.path();
+		if path.is_file() {
+			let name = path.file_stem().unwrap().to_string_lossy();
 			let texture = rl
-				.load_texture(&thread, &format!("assets/tiles/{name}"))
+				.load_texture(&thread, &format!("assets/tiles/{name}.png"))
 				.unwrap();
 			textures.insert(name.to_string(), texture);
 		}
@@ -203,11 +203,12 @@ impl Game {
 		let mut input_text = String::from_utf8_lossy(self.machine.input()).to_string();
 		if text_input(
 			d,
-			Rectangle::new(350., footer_top + 60., 200., 25.),
+			Rectangle::new(5., footer_top + 60., 200., 25.),
 			&mut input_text,
 			&mut self.input_text_selected,
 		) {
 			self.machine.set_input(input_text.into_bytes());
 		}
+
 	}
 }
diff --git a/src/marble_engine.rs b/src/marble_engine.rs
index 1952294..87a5706 100644
--- a/src/marble_engine.rs
+++ b/src/marble_engine.rs
@@ -327,57 +327,8 @@ pub fn parse(source: &str) -> Board {
 	for line in source.lines() {
 		width = width.max(line.len());
 		let mut tiles = Vec::new();
-		let mut in_comment = false;
 		for char in line.chars() {
-			if in_comment {
-				if char == ')' {
-					in_comment = false;
-				}
-				if char == ' ' {
-					// allow marbles to pass through gaps in comments
-					tiles.push(Tile::Blank);
-				} else {
-					tiles.push(Tile::Comment(char as u8));
-				}
-				continue;
-			}
-			tiles.push(match char {
-				'o' => Tile::Marble {
-					value: 0,
-					dir: Direction::Down,
-				},
-				'*' => Tile::Powerable(PTile::Trigger, false),
-				'-' => Tile::Powerable(PTile::Wire(WireType::Horizontal), false),
-				'|' => Tile::Powerable(PTile::Wire(WireType::Vertical), false),
-				'+' => Tile::Powerable(PTile::Wire(WireType::Cross), false),
-				'/' => Tile::Mirror(MirrorType::Forward),
-				'\\' => Tile::Mirror(MirrorType::Back),
-				'^' => Tile::Arrow(Direction::Up),
-				'v' => Tile::Arrow(Direction::Down),
-				'<' => Tile::Arrow(Direction::Left),
-				'>' => Tile::Arrow(Direction::Right),
-				'=' => Tile::Powerable(PTile::Gate(GateType::Equal), false),
-				'!' => Tile::Powerable(PTile::Gate(GateType::NotEqual), false),
-				'L' => Tile::Powerable(PTile::Gate(GateType::LessThan), false),
-				'G' => Tile::Powerable(PTile::Gate(GateType::GreaterThan), false),
-				'P' => Tile::Powerable(PTile::Output, false),
-				'I' => Tile::Powerable(PTile::Input, false),
-				'F' => Tile::Powerable(PTile::Flipper, false),
-				'A' => Tile::Powerable(PTile::Math(MathOp::Add), false),
-				'S' => Tile::Powerable(PTile::Math(MathOp::Sub), false),
-				'M' => Tile::Powerable(PTile::Math(MathOp::Mul), false),
-				'D' => Tile::Powerable(PTile::Math(MathOp::Div), false),
-				'R' => Tile::Powerable(PTile::Math(MathOp::Rem), false),
-				'B' => Tile::Powerable(PTile::Bag, false),
-				d @ '0'..='9' => Tile::Digit(d as u8),
-				'#' => Tile::Block,
-				' ' => Tile::Blank,
-				'(' => {
-					in_comment = true;
-					Tile::Comment(b'(')
-				}
-				_ => Tile::Blank,
-			});
+			tiles.push(tile_to_char(char));
 		}
 		rows.push(tiles);
 	}
@@ -387,3 +338,39 @@ pub fn parse(source: &str) -> Board {
 
 	Board::new(rows)
 }
+
+pub const fn tile_to_char(c: char) -> Tile {
+	match c {
+		'o' => Tile::Marble {
+			value: 0,
+			dir: Direction::Down,
+		},
+		'*' => Tile::Powerable(PTile::Trigger, false),
+		'-' => Tile::Powerable(PTile::Wire(WireType::Horizontal), false),
+		'|' => Tile::Powerable(PTile::Wire(WireType::Vertical), false),
+		'+' => Tile::Powerable(PTile::Wire(WireType::Cross), false),
+		'/' => Tile::Mirror(MirrorType::Forward),
+		'\\' => Tile::Mirror(MirrorType::Back),
+		'^' => Tile::Arrow(Direction::Up),
+		'v' => Tile::Arrow(Direction::Down),
+		'<' => Tile::Arrow(Direction::Left),
+		'>' => Tile::Arrow(Direction::Right),
+		'=' => Tile::Powerable(PTile::Gate(GateType::Equal), false),
+		'!' => Tile::Powerable(PTile::Gate(GateType::NotEqual), false),
+		'L' => Tile::Powerable(PTile::Gate(GateType::LessThan), false),
+		'G' => Tile::Powerable(PTile::Gate(GateType::GreaterThan), false),
+		'P' => Tile::Powerable(PTile::Output, false),
+		'I' => Tile::Powerable(PTile::Input, false),
+		'F' => Tile::Powerable(PTile::Flipper, false),
+		'A' => Tile::Powerable(PTile::Math(MathOp::Add), false),
+		'S' => Tile::Powerable(PTile::Math(MathOp::Sub), false),
+		'M' => Tile::Powerable(PTile::Math(MathOp::Mul), false),
+		'D' => Tile::Powerable(PTile::Math(MathOp::Div), false),
+		'R' => Tile::Powerable(PTile::Math(MathOp::Rem), false),
+		'B' => Tile::Powerable(PTile::Bag, false),
+		d @ '0'..='9' => Tile::Digit(d as u8),
+		'#' => Tile::Block,
+		' ' => Tile::Blank,
+		_ => Tile::Blank,
+	}
+}
diff --git a/src/marble_engine/tile.rs b/src/marble_engine/tile.rs
index 1fd4550..a037786 100644
--- a/src/marble_engine/tile.rs
+++ b/src/marble_engine/tile.rs
@@ -6,12 +6,11 @@ use super::board::Pos;
 
 pub type MarbleValue = u32;
 
-#[derive(Debug, Default, Clone, Copy)]
+#[derive(Debug, Default, Clone, Copy, PartialEq)]
 pub enum Tile {
 	#[default]
 	Blank,
 	Block,
-	Comment(u8),
 	Marble {
 		value: MarbleValue,
 		dir: Direction,
@@ -22,7 +21,7 @@ pub enum Tile {
 	Powerable(PTile, bool),
 }
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum PTile {
 	Trigger,
 	Wire(WireType),
@@ -34,13 +33,13 @@ pub enum PTile {
 	Output,
 }
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum MirrorType {
 	Forward,
 	Back,
 }
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum MathOp {
 	Add,
 	Sub,
@@ -49,7 +48,7 @@ pub enum MathOp {
 	Rem,
 }
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum GateType {
 	LessThan,
 	GreaterThan,
@@ -57,7 +56,7 @@ pub enum GateType {
 	NotEqual,
 }
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum WireType {
 	Vertical,
 	Horizontal,
@@ -97,9 +96,20 @@ impl Tile {
 		let tex_name = match self {
 			Tile::Blank => "",
 			Tile::Block => "block",
-			Tile::Comment(_) => "",
 			Tile::Marble { value: _, dir: _ } => "marble",
-			Tile::Digit(_) => "",
+			Tile::Digit(n) => match n {
+				b'0' => "digit_0",
+				b'1' => "digit_1",
+				b'2' => "digit_2",
+				b'3' => "digit_3",
+				b'4' => "digit_4",
+				b'5' => "digit_5",
+				b'6' => "digit_6",
+				b'7' => "digit_7",
+				b'8' => "digit_8",
+				b'9' => "digit_9",
+				_ => unreachable!("invalid digit"),
+			},
 			Tile::Mirror(mirror) => match mirror {
 				MirrorType::Forward => "mirror_forward",
 				MirrorType::Back => "mirror_back",
@@ -139,8 +149,7 @@ impl Tile {
 				&format!("{t}_{}", if *state { "on" } else { "off" })
 			}
 		};
-		let tex_name = format!("{tex_name}.png");
-		if let Some(texture) = textures.get(&tex_name) {
+		if let Some(texture) = textures.get(tex_name) {
 			d.draw_texture_ex(
 				texture,
 				Vector2::new((x - size / 2) as f32, (y - size / 2) as f32),
@@ -153,13 +162,6 @@ impl Tile {
 
 		match self {
 			Tile::Blank => (),
-			Tile::Comment(c) => {
-				d.draw_rectangle(x - size / 2, y - size / 2, size, size, Color::DIMGRAY);
-				d.draw_text(&format!("{}", *c as char), x - 10, y - 10, 20, Color::WHITE);
-			}
-			Tile::Digit(n) => {
-				d.draw_text(&String::from(*n as char), x - 10, y - 10, 20, Color::ORANGE)
-			}
 			_ => d.draw_rectangle(x - size / 2, y - size / 2, size, size, Color::RED),
 		}
 	}