Date   : Thu, 02 Oct 2003 18:01:09 +0100
From   : Sprow <info@...>
Subject: Re: Keyboard scanning/interrupts

In article <20030930095240.26974.qmail@...>,
   BBC Micro <b_b_c_m_i_c_r_o@...> wrote:

> Hi, I've got a question about the keyboard interrupts,
> can anyone explain it concisely? 

Keypresses detected by use of interrupt and queued (2 keys) in one thread.

Centisecond timer then looks at the queued keys and,subject to typematic
repeat and delay,(re)inserts the key into the keyboard buffer in a second.

Sprow.