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29 lines
921 B
Markdown
29 lines
921 B
Markdown
# 8086 emulator
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This folder contains emulator for 8086 binaries of Collapse OS. The bulk of
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it is a fork of Fake86 by Mike Chambers.
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`forth` is an imaginary hardware used for userspace development and testing.
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This machine has an imaginary interrupt API and does not conform to PC/AT.
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`pcat` is a very simple PC/AT emulator. The BIOS interrupt hooks implemented in
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it only cover Collapse OS' own needs.
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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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## Build
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Run `make` and it builds the `forth` and `pcat` interpreters.
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## Usage
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The `./forth` executable here works like the one in `/cvm`, except that it runs
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under an emulated 8086 machine instead of running natively. Refer to
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`/cvm/README.md` for details.
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`pcat` needs to be suppied a path to a floppy disk image with a proper MBR.
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`disk.bin` provided by the `pcat` recipe is sufficient.
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