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authorAnselm R. Garbe <arg@suckless.org>2007-01-25 10:05:02 +0100
committerAnselm R. Garbe <arg@suckless.org>2007-01-25 10:05:02 +0100
commit82fed986f9f09ddf973f182b30946bed9c2424cd (patch)
tree6ea87e313fb9221993912157b121819d6db073dd /main.c
parent2c1db7ed354f303c2a2aa7eb6b7de3a0dac5d022 (diff)
downloaddwm-82fed986f9f09ddf973f182b30946bed9c2424cd.tar.gz
Added tag 3.2.2 for changeset d3876aa79292
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### A prototype shell for the Mu computer

Currently runs a tiny subset of Lisp. Steps to run it from the top-level:

1. Build it:
```sh
$ ./translate shell/*.mu      # generates disk.img
```

2. Run it:
```sh
$ qemu-system-i386 disk.img
```
or:
```
$ bochs -f bochsrc
```

To save typing in a large s-expression, create a secondary disk for data:
```sh
$ dd if=/dev/zero of=data.img count=20160
```

Load an s-expression into it:
```sh
$ echo '(+ 1 1)' |dd of=data.img conv=notrunc
```

Now run with both code and data disks:
```sh
$ qemu-system-i386 -hda disk.img -hdb data.img
```
or:
```
$ bochs -f bochsrc.2disks
```

You can type in expressions, hit `ctrl-s` to see their results, and hit `Tab`
to focus on the `...` below and browse how the results were computed. [Here's
a demo.](https://archive.org/details/akkartik-2min-2021-02-24) The bottom of
the screen shows context-dependent keyboard shortcuts (there's no mouse in the
Mu computer at the moment).

*Known issues*

* There's no way to save to disk.

* Don't press keys too quickly (such as by holding down a key). The Mu
  computer will crash (and often Qemu will segfault).