fix bug in `SET_VALUE()`

Previously, the SET_VALUE() method is not terminated correctly. Calling SET_VALUE() will continue to call GET_VALUE().

A Stop opcode needs to be added at the end of SET_VALUE().

✅ Deploy Preview for huffdocs ready!

Name	Link
🔨 Latest commit	8826531e50778616e7f98fc861c9ddb43df75b90
🔍 Latest deploy log	https://app.netlify.com/sites/huffdocs/deploys/650fe53c57fd0a0008acf8b5
😎 Deploy Preview	https://deploy-preview-77--huffdocs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.