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This repository contains essential tools to be used with everdrive64.
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anacierdem Develop 1.0.3 (#17)
* 1.0.3 - Bug fixes and improvements

- Fixed: Communication was not working properly and system was getting stuck. Speed up builds especially on Windows.
- Added: Prettier configuration.
- Changed: - Update libdragon to `3.0.0` & serialport to `8.0.7`
Latest commit 2ebd432 Feb 16, 2020

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README.md

ED64 Tools

This repository contains essential tools to be used with everdrive64.

Loader

Use it to upload your z64 images to ED64. Usage;

First, make sure you have node.js (>= 7.6).

Install globally;

npm install -g ed64

And invoke;

loader64 [path to your file]

Install locally;

npm install ed64

And invoke;

node ./node_modules/ed64/loader.js [path to your file]

Or on this repository's root;

node ./loader.js [path to your file]

You can continue monitoring serial communication after boot by providing --keep-alive.

loader64 [path to your file] --keep-alive

This will print the communication on the console as well as starting a socket connection on the port given by --server-port=1338. If port is not given it defaults to 1337. This is the point of communication with say GDB.

Tested to be working with OS v2.12

ED64 rebootable example

In the ./src folder you can find a N64 program capable of rebooting on loader upload. To be able to use it;

  • Make sure you have node.js (>= 7.6) and docker installed on your machine.
  • Install vscode.
  • Run npm install on this repository's root.
  • libdragon toolchain will be installed automatically as a docker container (named ed64) on your computer.
  • Connect your Everdrive64 via USB and turn on your N64.
  • Open this folder with vscode and hit F5.
  • Stop and restart the project via vscode.
  • Voila! You have a re-uploadable executable with print debugging.

When calling everdrive_init(true), the first parameter determines whether to hook to stdio or not. If you pass true, all standard outputs will go serial over USB.

If you need change anything outside of main function, move your function after the library code. You can do this using a section .text.* and these will be mapped after any library code and will not shift anything until _start is called. For example for a vblank handler;

void vblCallback(void) __attribute__((section(".text.after")));
void vblCallback(void) {}

Making a project rebootable

Create a new NPM project;

npm init

Add following to your NPM scripts;

"init": "libdragon install",
"prepare": "npm run init"

install ed64;

npm i ed64 --save

Now you are ready to link your project against libed64.

Check out https://github.com/anacierdem/ed64-example for a full example.

To update libdragon, set the version you need in package.json and run npm i.

Tasklist

  • Implement ROM loader on js.
  • Implement a basic rebootable ROM.
  • Add a hook to newlib's stdout for serial interface.
  • Implement everdrive as a libdragon dependency.
  • Add a GDB stub for real-time debugging & hot replacement.
  • Implement direct SD card access via libdragon filesystem API.
  • Implement a debugger for debugging the RSP.

Support

If this tool helped you, consider supporting its development at;

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