--lpm_mult CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEVICE_FAMILY="Cyclone II" DSP_BLOCK_BALANCING="Auto" LPM_WIDTHA=11 LPM_WIDTHB=11 LPM_WIDTHP=22 LPM_WIDTHS=11 dataa datab result CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48
--VERSION_BEGIN 8.1 cbx_cycloneii 2008:05:19:10:57:37:SJ cbx_lpm_add_sub 2008:05:19:10:49:01:SJ cbx_lpm_mult 2008:08:08:14:38:02:SJ cbx_mgl 2008:08:08:15:16:18:SJ cbx_padd 2008:07:31:17:08:03:SJ cbx_stratix 2008:08:05:17:10:23:SJ cbx_stratixii 2008:08:07:13:54:47:SJ cbx_util_mgl 2008:07:18:09:58:54:SJ  VERSION_END


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--  without limitation, that your use is for the sole purpose of 
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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]);
FUNCTION cycloneii_mac_out (aclr, clk, dataa[dataa_width-1..0], ena)
WITH ( dataa_width = 0, output_clock)
RETURNS ( dataout[dataa_width-1..0]);

--synthesis_resources = dsp_9bit 2 
SUBDESIGN mult_m2k
( 
	dataa[10..0]	:	input;
	datab[10..0]	:	input;
	result[21..0]	:	output;
) 
VARIABLE 
	mac_mult1 : cycloneii_mac_mult
		WITH (
			dataa_clock = "none",
			dataa_width = 11,
			datab_clock = "none",
			datab_width = 11,
			signa_clock = "none",
			signb_clock = "none"
		);
	mac_out2 : cycloneii_mac_out
		WITH (
			dataa_width = 22,
			output_clock = "none"
		);

BEGIN 
	mac_mult1.dataa[] = ( dataa[]);
	mac_mult1.datab[] = ( datab[]);
	mac_mult1.signa = B"0";
	mac_mult1.signb = B"0";
	mac_out2.dataa[] = mac_mult1.dataout[];
	result[21..0] = mac_out2.dataout[21..0];
END;
--VALID FILE