4 files changed, 31 insertions, 9 deletions
diff --git a/audio/src/data.rs b/audio/src/data.rs
index 2d1bdc5..e63254d 100644
--- a/audio/src/data.rs
+++ b/audio/src/data.rs
@@ -11,20 +11,29 @@ macro_rules! load_asm {
 			Program::parse(&src, true)?
 		}
 	}};
-    ($first:tt, $($arg:tt)*) => {
+    ($first:tt, $($arg:tt),*) => {
 		load_asm!($first)$(.merge(load_asm!($arg)))*
 	};
 }
 
 pub struct Data {
+	pub explore: Program,
 	pub megalovania: Program,
 }
 impl Data {
 	pub fn load() -> crate::Result<Self> {
+		let explore = load_asm!(
+			"assets/asm/explore_melody.asm",
+			"assets/asm/explore_harmony1.asm",
+			"assets/asm/explore_harmony2.asm"
+		);
 		let megalovania = load_asm!(
 			"assets/asm/megalovania_melody.asm",
 			"assets/asm/megalovania_base.asm"
 		);
-		Ok(Self { megalovania })
+		Ok(Self {
+			explore,
+			megalovania,
+		})
 	}
 }
diff --git a/audio/src/lib.rs b/audio/src/lib.rs
index b2d3e87..97121f5 100644
--- a/audio/src/lib.rs
+++ b/audio/src/lib.rs
@@ -85,6 +85,7 @@ impl Audio {
 
 	pub fn update(&mut self) {
 		if self.last.elapsed() >= TIME_SLICE {
+			self.data.explore.exec(&mut self.channels);
 			self.data.megalovania.exec(&mut self.channels);
 			self.last = Instant::now();
 		}
diff --git a/audio/src/parse/macros.rs b/audio/src/parse/macros.rs
index 1dc33eb..d33208a 100644
--- a/audio/src/parse/macros.rs
+++ b/audio/src/parse/macros.rs
@@ -75,7 +75,9 @@ fn fill_macro(contents: &mut Vec<Cow<'_, str>>, name: &str, body: &str) -> usize
 			break;
 		}
 		let line = &contents[idx];
-		if line.starts_with(name) {
+		if line.starts_with(name)
+			&& matches!(line.chars().nth(name.len()), None | Some(' '))
+		{
 			fill_macro_once(contents, idx, body);
 			count += 1;
 		}
diff --git a/audio/src/program.rs b/audio/src/program.rs
index 28a5f41..d8ece2c 100644
--- a/audio/src/program.rs
+++ b/audio/src/program.rs
@@ -41,19 +41,20 @@ const fn map_volume(volume: u8) -> f32 {
 pub struct Program {
 	ins: Vec<Instruction>,
 	pc: usize,
-	looping: bool,
 	pause_cnt: u32,
 	pause_len: u32,
+	looping: bool,
+	playing: bool,
 }
 impl Program {
 	pub const fn new(ins: Vec<Instruction>, looping: bool) -> Self {
-		let pc = ins.len();
 		Self {
 			ins,
-			pc,
-			looping,
+			pc: 0,
 			pause_cnt: 0,
 			pause_len: 4,
+			looping,
+			playing: false,
 		}
 	}
 
@@ -150,6 +151,9 @@ impl Program {
 	}
 
 	pub fn exec(&mut self, channels: &mut Channels) {
+		if !self.playing {
+			return;
+		}
 		if self.pause_cnt > 0 {
 			self.pause_cnt -= 1;
 		}
@@ -157,10 +161,11 @@ impl Program {
 			if self.pause_cnt > 0 {
 				break;
 			}
-			if self.finished() {
+			if self.is_finished() {
 				if self.looping {
 					self.pc = 0;
 				} else {
+					self.playing = false;
 					break;
 				}
 			}
@@ -170,11 +175,16 @@ impl Program {
 		}
 	}
 
-	pub const fn finished(&self) -> bool {
+	pub const fn is_finished(&self) -> bool {
 		self.pc >= self.ins.len()
 	}
 
+	pub const fn is_playing(&self) -> bool {
+		self.playing
+	}
+
 	pub const fn play(&mut self) {
+		self.playing = true;
 		self.pc = 0;
 	}