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Don't recreate the CPU each render

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Ross Andrews
2024-04-27 23:57:22 -05:00
parent c7bf9fe1ec
commit 2a2dff6202
1 changed files with 1 additions and 1 deletions
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vweb/src/snippet_emulator.jsx
+1 -1
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@@ -22,7 +22,7 @@ export default function({ children, width = 80 }) {
const onChangeSrc = useCallback((e) => setSrc(e.target.value), []) // Callback for the textarea const onChangeSrc = useCallback((e) => setSrc(e.target.value), []) // Callback for the textarea
const [binary, setBinary] = useState(null) // The assembled binary const [binary, setBinary] = useState(null) // The assembled binary
const [sourceMap, setSourceMap] = useState(null) // A map from byte address to line number const [sourceMap, setSourceMap] = useState(null) // A map from byte address to line number
const [cpu, _setCpu] = useState(new WasmCPU()) // The actual CPU emulator itself const [cpu, _setCpu] = useState(() => new WasmCPU()) // The actual CPU emulator itself
const [activeLine, setActiveLine] = useState(null) // The (0-based) index of the const [activeLine, setActiveLine] = useState(null) // The (0-based) index of the
// Update which line is highlighted. This should be called in most button callbacks. // Update which line is highlighted. This should be called in most button callbacks.