Here are two diagrams that I drew years ago whilst seeking to understand the various sub-systems of the BBC Micro.
The first is of the System VIA, the second of the Keyboard.
This entry was posted on Saturday, October 13th, 2007 at 2:24 pm and is filed under BBC Micro, Retro Computing. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
Herein are my ramblings.
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Really, you are probably better off without them.
All Wrong
very helpful,thanks.
I want to convert this hardware to 8051 code in combination with a ps2 keyboard.
Bas