7segment.tdf

verilog编写实用多功能电子表

%   -a-  								%
% f|   |b								%
%   -g-  								%
% e|   |c								%
%   -d-  								%
%										%
% 0 1 2 3 4 5 6 7 8 9 A b C d E F	%
%										%

SUBDESIGN 7segment
(
	i[3..0]					: INPUT;
	a, b, c, d, e, f, g	: OUTPUT;
)
BEGIN
	TABLE
		i[3..0]	=>	a, b, c, d, e, f, g;

		H"0"		=>	1, 1, 1, 1, 1, 1, 0;
		H"1"		=>	0, 1, 1, 0, 0, 0, 0;
		H"2"		=>	1, 1, 0, 1, 1, 0, 1;
		H"3"		=>	1, 1, 1, 1, 0, 0, 1;
		H"4"		=>	0, 1, 1, 0, 0, 1, 1;
		H"5"		=>	1, 0, 1, 1, 0, 1, 1;
		H"6"		=>	1, 0, 1, 1, 1, 1, 1;
		H"7"		=>	1, 1, 1, 0, 0, 0, 0;
		H"8"		=>	1, 1, 1, 1, 1, 1, 1;
		H"9"		=>	1, 1, 1, 1, 0, 1, 1;
		H"A"		=>	1, 1, 1, 0, 1, 1, 1;
		H"B"		=>	0, 0, 1, 1, 1, 1, 1;
		H"C"		=>	1, 0, 0, 1, 1, 1, 0;
		H"D"		=>	0, 1, 1, 1, 1, 0, 1;
		H"E"		=>	1, 0, 0, 1, 1, 1, 1;
		H"F"		=>	1, 0, 0, 0, 1, 1, 1;
	END TABLE;
END;