37 lines
943 B
Markdown
37 lines
943 B
Markdown
### 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. Create a data disk:
|
|
```sh
|
|
$ dd if=/dev/zero of=data.img count=20160
|
|
```
|
|
|
|
3. Optionally load an s-expression into the disk:
|
|
```sh
|
|
$ echo '(+ 1 1)' |dd of=data.img conv=notrunc
|
|
```
|
|
|
|
4. Run it:
|
|
```sh
|
|
$ qemu-system-i386 disk.img
|
|
```
|
|
|
|
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).
|