lpm_divide_u4m.tdf

基於DE2系統的LCM verilog code,在LCM右下方顯示數字,每按一次按鍵數字會加1,顏色也會改變

--lpm_divide DEVICE_FAMILY="Cyclone II" LPM_DREPRESENTATION="UNSIGNED" LPM_NREPRESENTATION="UNSIGNED" LPM_WIDTHD=2 LPM_WIDTHN=4 OPTIMIZE_FOR_SPEED=5 denom numer remain CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48 IGNORE_CARRY_BUFFERS="OFF"
--VERSION_BEGIN 7.1 cbx_cycloneii 2007:01:23:09:39:40:SJ cbx_lpm_abs 2006:04:25:14:52:42:SJ cbx_lpm_add_sub 2007:01:08:11:15:18:SJ cbx_lpm_divide 2007:01:30:03:58:02:SJ cbx_mgl 2007:04:03:14:06:46:SJ cbx_stratix 2007:04:12:16:43:52:SJ cbx_stratixii 2007:02:12:17:08:26:SJ cbx_util_mgl 2007:01:15:12:22:48:SJ  VERSION_END


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FUNCTION sign_div_unsign_5kh (denominator[1..0], numerator[3..0])
RETURNS ( quotient[3..0], remainder[1..0]);

--synthesis_resources = lut 8 
SUBDESIGN lpm_divide_u4m
( 
	denom[1..0]	:	input;
	numer[3..0]	:	input;
	quotient[3..0]	:	output;
	remain[1..0]	:	output;
) 
VARIABLE 
	divider : sign_div_unsign_5kh;
	numer_tmp[3..0]	: WIRE;

BEGIN 
	divider.denominator[] = denom[];
	divider.numerator[] = numer_tmp[];
	numer_tmp[] = numer[];
	quotient[] = divider.quotient[];
	remain[] = divider.remainder[];
END;
--VALID FILE