Crate vgainfo_rs

source ·
Expand description

vgainfo-rs

VGA(0xB8000) info in freestanding Rust.

Example

#![no_std]
extern crate vgainfo_rs;
use vgainfo_rs::*;

fn reset_screen() {
    let buffer_ptr = LENGTH as *mut VgaCharType;
    let iter = (0..LENGTH).map(|i| unsafe { buffer_ptr.add(i) });

    for ptr in iter {
        let value = unsafe { ptr.read_volatile() };
        unsafe { ptr.write_volatile(value & 0xff00) };
    }
}

Constants

  • HIGH
    Row of video buffer = 25
  • LENGTH
    Size of video buffer = 80 *25
  • VGA_ADDR
    Address of video buffer = 0xB8000
  • WIDTH
    Column of video buffer = 80

Type Aliases