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Programming:Keyboard redefinition

31 bytes added, 08:44, 1 September 2014
GetPressed
push HL
ld C,10.loop_col
ld B,8
ld A,(HL++).loop_bit rla jr nc,.pressed
djnz .loop_bit
dec C
.loop
rra ;get bit in carry
djnz .loop
ccf ;reverse bit
pop HL
ENDMODULE</pre>
 
[[Category:Programming]]