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55 lines
1.8 KiB
Markdown
55 lines
1.8 KiB
Markdown
# emul
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This folder contains a couple of tools running under the [libz80][libz80]
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emulator.
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## Requirements
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You need `ncurses` to build the `forth` executable. In debian-based distros,
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it's `libncurses5-dev`.
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## Not real hardware
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In the few emulated apps described below, we don't try to emulate real hardware
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because the goal here is to facilitate "high level" development.
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These apps run on imaginary hardware and use many cheats to simplify I/Os.
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For real hardware emulation (which helps developing drivers), see the `hw`
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folder.
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## Build
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First, make sure that the `libz80` git submodule is checked out. If not, run
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`git submodule init && git submodule update`.
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After that, you can run `make` and it builds the `forth` interpreter.
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## Usage
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Run `./forth` to get the Collapse OS prompt. Type `0 LIST` for help.
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The program is a curses interface with a limited, fixed size so that it can
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provide a AT-XY interface (which is yet to implement).
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## Problems?
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If the `forth` executable works badly (hangs, spew garbage, etc.),
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it's probably because you've broken your bootstrap binaries. They're easy to
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mistakenly break. To verify if you've done that, look at your git status. If
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`forth.bin` is modified, try resetting it and then run `make clean all`. Things
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should go better afterwards.
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A modified `blkfs` can also break things (although even with a completely broken
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blkfs, you should still get to prompt), you might want to run `make pack` to
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ensure that the `blkfs` file is in sync with the contents of the `blk/` folder.
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If that doesn't work, there's also the nuclear option of `git reset --hard`
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and `git clean -fxd`.
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If that still doesn't work, it might be because the current commit you're on
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is broken, but that is rather rare: the repo on Github is plugged on Travis
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and it checks that everything is smooth.
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[libz80]: https://github.com/ggambetta/libz80
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