Update ch04-00-renode-emulation.md

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src/ch04-00-renode-emulation.md

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 The emulator is available for Windows, Mac, and Linux. It is designed to simulate whole systems of devices, meaning it can easily capture the interactions between devices on a network or bus. It allows you to pause the system and inspect memory, single-step, and watch various sections of the bus.
 
 There is extensive end-user documentation available at [Read the Docs](https://renode.readthedocs.io/en/latest/), which is highly recommended. The remainder of this chapter will cover recommendations on how to use Renode with Xous.
+
+## Quickstart using the Renode emulator
+
+Xous uses [Renode](https://renode.io/) as the preferred emulator, because it is easy to extend the hardware peripherals without recompiling the entire emulator.
+
+[Download Renode](https://renode.io/#downloads) and ensure it is in your path.
+For now, you need to [download the nightly build](https://dl.antmicro.com/projects/renode/builds/),
+until `DecodedOperation` is included in the release.
+
+Then, build Xous:
+
+```sh
+cargo xtask renode-image
+```
+
+This will compile everything in `release` mode for RISC-V, compile the tools required to package it all up, then create an image file.
+
+Finally, run Renode and specify the `xous-release.resc` REnode SCript:
+
+```sh
+renode emulation/xous-release.resc
+```
+
+Renode will start emulation automatically, and will run the same set of programs as in "Hosted mode".