vga/README.md

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# vga
This crate provides vga specific functions, data structures,
and access to various registers.
Memory addresses `0xA0000 -> 0xBFFFF` must be readable and writeable
this crate to work properly.
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**Note: This crate is currently experimental and subject to change since it's in active development.**
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## Usage
```rust
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use vga::colors::{Color16Bit, TextModeColor};
use vga::writers::{ScreenCharacter, TextWriter, Text80x25};
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let text_mode = Text80x25::new();
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let color = TextModeColor::new(Color16Bit::Yellow, Color16Bit::Black);
let screen_character = ScreenCharacter::new(b'T', color);
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text_mode.set_mode();
text_mode.clear_screen();
text_mode.write_character(0, 0, screen_character);
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```