7segment.tdf

用VHDL语言编写的自动售货机程序

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;