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Update vga-text-buffer failed link for normal reads and write. #1281

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2 changes: 1 addition & 1 deletion blog/content/edition-2/posts/03-vga-text-buffer/index.md
Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@ The VGA text buffer is accessible via [memory-mapped I/O] to the address `0xb800

Note that memory-mapped hardware might not support all normal RAM operations. For example, a device could only support byte-wise reads and return junk when a `u64` is read. Fortunately, the text buffer [supports normal reads and writes], so we don't have to treat it in a special way.

[supports normal reads and writes]: https://web.stanford.edu/class/cs140/projects/pintos/specs/freevga/vga/vgamem.htm#manip
[supports normal reads and writes]: https://www.scs.stanford.edu/21wi-cs140/pintos/specs/freevga/vga/vga.htm
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The corresponding page under the new URL would be https://www.scs.stanford.edu/21wi-cs140/pintos/specs/freevga/vga/vgamem.htm#manip . But it seems like the "old" URL is also working (again?).

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@HamzaRaza786 HamzaRaza786 Feb 11, 2024

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Thanks for the correction.Yeah! previously added link is also working now. Will close my PR then.


## A Rust Module
Now that we know how the VGA buffer works, we can create a Rust module to handle printing:
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