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Programming:Keyboard scanning

1 byte removed, 15:42, 6 September 2006
/* One line scanning routine */
out (c), c
ld b, &F6
out (c), ca
ld b, &F4
in a, (c)
* Bit = 0: Key is pressed
* Bit = 1: Key is not pressed
 
== Complete keyboard scanning routine ==
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