--lpm_mult CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEDICATED_MULTIPLIER_CIRCUITRY="AUTO" DEVICE_FAMILY="Cyclone II" DSP_BLOCK_BALANCING="Auto" INPUT_A_IS_CONSTANT="NO" INPUT_B_IS_CONSTANT="YES" LPM_REPRESENTATION="SIGNED" LPM_WIDTHA=18 LPM_WIDTHB=10 LPM_WIDTHP=28 LPM_WIDTHS=1 MAXIMIZE_SPEED=6 dataa datab result CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48
--VERSION_BEGIN 6.0 cbx_cycloneii 2006:02:07:15:19:20:SJ cbx_lpm_add_sub 2006:01:09:11:17:20:SJ cbx_lpm_mult 2006:05:18:13:55:50:SJ cbx_mgl 2006:05:17:10:06:16:SJ cbx_padd 2006:01:12:17:31:50:SJ cbx_stratix 2006:05:17:09:28:32:SJ cbx_stratixii 2006:03:03:09:35:36:SJ cbx_util_mgl 2006:01:09:10:46:36:SJ  VERSION_END


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FUNCTION cycloneii_mac_mult (aclr, clk, dataa[dataa_width-1..0], datab[datab_width-1..0], ena, signa, signb)
WITH ( 	dataa_clock,	dataa_width,	datab_clock,	datab_width,	signa_clock,	signb_clock) 
RETURNS ( dataout[dataa_width+datab_width-1..0]);
PARAMETERS
(
	dataa_width = 0
);
FUNCTION cycloneii_mac_out (aclr, clk, dataa[dataa_width-1..0], ena)
WITH ( 	dataa_width,	output_clock) 
RETURNS ( dataout[dataa_width-1..0]);

--synthesis_resources = dsp_9bit 2 
SUBDESIGN mult_rr01
( 
	dataa[17..0]	:	input;
	datab[9..0]	:	input;
	result[27..0]	:	output;
) 
VARIABLE 
	mac_mult1 : cycloneii_mac_mult
		WITH (
			dataa_clock = "none",
			dataa_width = 18,
			datab_clock = "none",
			datab_width = 10,
			signa_clock = "none",
			signb_clock = "none"
		);
	mac_out2 : cycloneii_mac_out
		WITH (
			dataa_width = 28,
			output_clock = "none"
		);

BEGIN 
	mac_mult1.dataa[] = ( dataa[]);
	mac_mult1.datab[] = ( datab[]);
	mac_mult1.signa = B"1";
	mac_mult1.signb = B"1";
	mac_out2.dataa[] = mac_mult1.dataout[];
	result[27..0] = mac_out2.dataout[27..0];
END;
--VALID FILE