diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..2a09d56
Binary files /dev/null and b/.DS_Store differ
diff --git a/examples/.DS_Store b/examples/.DS_Store
new file mode 100644
index 0000000..d2a2b71
Binary files /dev/null and b/examples/.DS_Store differ
diff --git a/examples/code/.DS_Store b/examples/code/.DS_Store
new file mode 100644
index 0000000..251e783
Binary files /dev/null and b/examples/code/.DS_Store differ
diff --git a/examples/code/wasm/README.md b/examples/code/wasm/README.md
new file mode 100644
index 0000000..a2c4aea
--- /dev/null
+++ b/examples/code/wasm/README.md
@@ -0,0 +1,14 @@
+Requirements: sointu binaries, `wabt`
+
+To generate the .wasm file:
+
+```
+sointu-compile -o . -arch=wasm tests/test_chords.yml
+wat2wasm --enable-bulk-memory test_chords.wat
+```
+
+To run the example:
+
+```
+npx serve examples/code/wasm
+```
diff --git a/examples/code/wasm/index.html b/examples/code/wasm/index.html
new file mode 100644
index 0000000..76b6bc6
--- /dev/null
+++ b/examples/code/wasm/index.html
@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>sointu WASM example</title>
+  </head>
+
+  <body>
+    <script type="module">
+      // button to start audio context
+      const button = document.createElement("button");
+      button.innerHTML = "start";
+      document.body.appendChild(button);
+      button.onclick = () => {
+        document.body.removeChild(button);
+
+        fetch("test_chords.wasm")
+          .then((response) => response.arrayBuffer())
+          .then((bytes) => WebAssembly.instantiate(bytes, { m: Math }))
+          .then(({ instance }) => {
+            const context = new AudioContext();
+
+            let wasmBuffer = instance.exports.t.value
+              ? new Int16Array(
+                  instance.exports.m.buffer,
+                  instance.exports.s.value,
+                  instance.exports.l.value / 2
+                )
+              : new Float32Array(
+                  instance.exports.m.buffer,
+                  instance.exports.s.value,
+                  instance.exports.l.value / 4
+                );
+
+            const buffer = context.createBuffer(
+              2,
+              context.sampleRate * 2,
+              context.sampleRate
+            );
+
+            // convert wasm buffer to audio buffer
+            for (let channel = 0; channel < 2; channel++) {
+              const buffering = buffer.getChannelData(channel);
+              for (let i = 0; i < context.sampleRate * 2; i++) {
+                buffering[i] = wasmBuffer[i];
+              }
+            }
+
+            // connect to output and start playing
+            const src = context.createBufferSource();
+            src.buffer = buffer;
+            src.connect(context.destination);
+            src.start();
+          });
+      };
+    </script>
+  </body>
+</html>
diff --git a/examples/code/wasm/test_chords.wasm b/examples/code/wasm/test_chords.wasm
new file mode 100644
index 0000000..087c771
Binary files /dev/null and b/examples/code/wasm/test_chords.wasm differ
