int2bit.vhd

来自「整型数据转换为二进制数据的实验。全部都是整个文件夹上传的。可以用QUARTUS2」· VHDL 代码 · 共 27 行

--My opinion: 
--When the int_number is big than 0
--int_number --
--bit_number ++
--So,at the end of the produce ,the int_number is as big as the bit_number

LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;

ENTITY int2bit IS
GENERIC intnum <= 5;
PORT(intnum:IN INT;				--Question one:How to define "intnum"?
	 bitnum:OUT STD_LOGIC_VECTOR(7 DOWNTO 0));
END ENTITY int2bit;

ARCHITECTURE rtl OF int2bit IS
SIGNAL tmp_intnum: INT;				
SIGNAL tmp_bitnum: STD_LOGIC_VECTOR(7 DOWNTO 0);
BEGIN
	tmp_intnum <= intnum ;
	tmp_bitnum <= '0';
	IF(tmp_intnum>0 OR tmp_intnum=0)	--Question :How to define "OR"?
		tmp_intnum <= tmp_intnum-1;		
		tmp_bitnum <= tmp_bitnum+1;
	END IF;
	bitnum <= tmp_bitnum;
END ARCHITECTURE rtl;