diff --git a/driver.js b/driver.js
new file mode 100644
index 0000000..6b53cc5
--- /dev/null
+++ b/driver.js
@@ -0,0 +1,9 @@
+import { Assembler } from "./asm.js";
+import { writeAll } from "jsr:@std/io/write-all";
+
+const asm = new Assembler();
+for await (const chunk of Deno.stdin.readable) {
+	asm.push(chunk);
+}
+const wasm = asm.wasm();
+await writeAll(Deno.stdout, wasm);