--alt_mac_mult DATAA_CLEAR="NONE" DATAA_CLOCK="NONE" DATAA_WIDTH=10 DATAB_CLEAR="NONE" DATAB_CLOCK="NONE" DATAB_WIDTH=11 MULT_CLEAR="NONE" MULT_CLOCK="NONE" MULT_INPUT_A_IS_CONSTANT="NO" MULT_INPUT_B_IS_CONSTANT="NO" MULT_PIPELINE=0 MULT_REPRESENTATION_A="SIGNED" MULT_REPRESENTATION_B="SIGNED" OUTPUT_CLEAR="NONE" OUTPUT_CLOCK="NONE" OUTPUT_WIDTH=21 SIGNA_CLEAR="NONE" SIGNA_CLOCK="NONE" SIGNB_CLEAR="NONE" SIGNB_CLOCK="NONE" dataa datab dataout signa(vcc) signb(vcc) CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48 DEVICE_FAMILY="Cyclone IV E"
--VERSION_BEGIN 13.0 cbx_alt_mac_mult 2013:04:24:18:08:47:SJ cbx_mgl 2013:04:24:18:11:10:SJ  VERSION_END


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--  without limitation, that your use is for the sole purpose of 
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FUNCTION mult_3go (dataa[9..0], datab[10..0])
RETURNS ( result[20..0]);

--synthesis_resources = lut 151 
SUBDESIGN mac_mult_99h1
( 
	dataa[9..0]	:	input;
	datab[10..0]	:	input;
	dataout[20..0]	:	output;
	signa	:	input;
	signb	:	input;
) 
VARIABLE 
	mult1 : mult_3go;
	const_node_signa	: NODE;
	const_node_signb	: NODE;
	tmp_dataout[20..0]	: WIRE;
	x_dataa[9..0]	: WIRE;
	x_datab[10..0]	: WIRE;
	x_output[20..0]	: WIRE;

BEGIN 
	mult1.dataa[] = x_dataa[];
	mult1.datab[] = x_datab[];
	dataout[] = tmp_dataout[];
	const_node_signa = signa;
	const_node_signb = signb;
	tmp_dataout[] = x_output[];
	x_dataa[] = ( dataa[]);
	x_datab[] = ( datab[]);
	x_output[20..0] = mult1.result[20..0];
END;
--VALID FILE