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Philipp Oppermann
2015-10-23 01:42:03 +02:00
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_drafts/printing-to-screen.md
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@@ -10,10 +10,10 @@ In the [previous post] we switched from assembly to [Rust], a systems programmin
[raw pointers]: https://doc.rust-lang.org/book/raw-pointers.html
[formatting macros]: https://doc.rust-lang.org/std/fmt/#related-macros
Since we are using some recent unstable features, you will need an up-to-date nighly compiler. If you have any questions, problems, or suggestions please [file an issue] or create a comment at the bottom. The code from this post is also available on [Github][code repository].
This post uses recent unstable features, so you need an up-to-date nighly compiler. If you have any questions, problems, or suggestions please [file an issue] or create a comment at the bottom. The code from this post is also available on [Github][code repository].
[file an issue]: https://github.com/phil-opp/phil-opp.github.io/issues
[code repository]: https://github.com/phil-opp/blog_os/tree/printing_to_screen
[code repository]: https://github.com/phil-opp/blog_os/tree/printing_to_screen/src
## The VGA Text Buffer
The text buffer starts at physical address `0xb8000` and contains the characters displayed on screen. It has 80 rows and 25 columns. Each screen character has the following format: