Uninitialized canvas display

vweb/src/snippet_emulator_demo.jsx

@@ -1,6 +1,7 @@
 import { createRoot } from 'react-dom/client'
 import React from 'react'
 import SnippetEmulator from './snippet_emulator'
+import EmulatorDisplay from './emulator_display'
 import init, { WasmCPU, assemble_snippet } from '../pkg/vweb.js'
 
 document.addEventListener('DOMContentLoaded', () => {
@@ -9,5 +10,8 @@ document.addEventListener('DOMContentLoaded', () => {
             const props = { children: el.innerText, width: el.getAttribute('data-width') }
             createRoot(el).render(React.createElement(SnippetEmulator, props))
         })
+        document.querySelectorAll('.display').forEach((el) => {
+            createRoot(el).render(React.createElement(EmulatorDisplay, {}))
+        })
     })
 })