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76a17b0986
Scrolling currently involves redrawing every character cell, which can be frustratingly slow on large framebuffer consoles. Accelerate this operation by skipping the redraw for any unchanged character cells. In the common case that large areas of the screen contain whitespace, this optimises away the vast majority of the redrawing operations. Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE README File Quick start guide: cd src make For any more detailed instructions, see http://ipxe.org