Ngày tải lên :
16/03/2014, 22:20
... ca cac hang
mov A,P3 ;doc cac cot
ANL A,#11110111b ;che bit khong dung
cjne A,#11110111b,HANG0 ;hang 0,tim cot
mov P3,#11101111b ;tiep dat hang 1
mov A,P3 ;doc cac cot
ANL A,#11101111b ...
cjne A,#11101111b,HANG1 ;hang 1,tim cot
mov P3,#11011111b ;tiep dat hang 2
mov A,P3 ;doc cac cot
ANL A,#11011111b ;che bit khong dung
cjne A,#11011111b,HANG2 ;hang 2,tim cot,
mov ... ;hang 2,tim cot,
mov P3,#10111111b ;tiep dat hang 3
mov A,P3 ;doc cac cot
ANL A,#10111111b ;che bit khong dung
cjne A,#10111111b,HANG3 ;hang 3,tim cot,
N TNG HP KHểA CA ,N T
*9+'769đ1+7,N...