lab 54 - mux for 4th Edition

NAME

lab 54 - mux for 4th Edition

NOTES

Noah Evans is working on the GBA port. Inferno running on GBA and DS would be cool to see. It's exciting to think about the possibilities of running inferno on small mobile devices, especially if networking is included because that would draw on the strengths of inferno.

Inferno has already been ported to at least one PDA: the ipaq. But as far as I know there are no applications designed for use on a mobile device. Running acme or wm/sh on such a thing isn't worth making the port for. A GUI dedicated to the architecture has to be developed.

Let's use DS as an example, but also imagine mobile phones/PDAs, where we assume Inferno networking is available to the application developer. What applications are useful to run on the DS? (games count as useful) What's the GUI going to look like?

The device's constraints make an interesting challenge. Given a 240x160 resolution and cursor keys and A/B/L/R keys a new GUI and style of interaction different from anything else inside inferno must be developed.

Actually, maybe something suitable does exist. As a starting point to help explore the area I've updated the mux UI, which was intended for interactive TV using an IR remote. It's seems the closest thing that inferno currently has which does not assume mouse and keyboard interaction.

Mux was dropped from 4th edition. It requires the libprefab module in Inferno. To build an emu that includes do the following.

  • add the prefab.$O to the /libinterp/mkfile
  • add prefab to the lib and mod sections in /emu/Host/emu config file
  • recompile

The files for this lab include a mkfs archive that can be extracted on top of an inferno distribution. It's been mostly updated to 4th edition. Not everything works. But the demos show off apps that if scaled down to a smaller resolution would make a cool demo for the DS too.

I've put together a few screenshots.

mux4

Interaction with most of mux is using just a simulated IR remote using the keyboard keys i, m, j, k for up, down, left, right respectively. This is the kind of thing you can imagine operating with just your thumb.

I hope to come back to this, with a scaled down mux running in the smaller resolution, and maybe get the web, email, and a flickr image feed working.

FILES

caerwyn.com/lab/54

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