Subversion Repositories 2d_game_console

--lpm_mult CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEVICE_FAMILY="Cyclone IV E" DSP_BLOCK_BALANCING="Auto" LPM_PIPELINE=1 LPM_REPRESENTATION="SIGNED" LPM_WIDTHA=16 LPM_WIDTHB=16 LPM_WIDTHP=16 MAXIMIZE_SPEED=5 clock dataa datab result CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48
--VERSION_BEGIN 17.0 cbx_cycloneii 2017:04:25:18:06:29:SJ cbx_lpm_add_sub 2017:04:25:18:06:29:SJ cbx_lpm_mult 2017:04:25:18:06:29:SJ cbx_mgl 2017:04:25:18:09:28:SJ cbx_nadder 2017:04:25:18:06:30:SJ cbx_padd 2017:04:25:18:06:30:SJ cbx_stratix 2017:04:25:18:06:30:SJ cbx_stratixii 2017:04:25:18:06:30:SJ cbx_util_mgl 2017:04:25:18:06:30:SJ  VERSION_END


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--  functions, and any output files from any of the foregoing 
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--  to the terms and conditions of the Intel Program License 
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--  the Intel MegaCore Function License Agreement, or other 
--  applicable license agreement, including, without limitation, 
--  that your use is for the sole purpose of programming logic 
--  devices manufactured by Intel and sold by Intel or its 
--  authorized distributors.  Please refer to the applicable 
--  agreement for further details.


FUNCTION cycloneive_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 cycloneive_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_f6p
( 
        clock   :       input;
        dataa[15..0]    :       input;
        datab[15..0]    :       input;
        result[15..0]   :       output;
) 
VARIABLE 
        mac_mult1 : cycloneive_mac_mult
                WITH (
                        dataa_clock = "none",
                        dataa_width = 16,
                        datab_clock = "none",
                        datab_width = 16,
                        signa_clock = "none",
                        signb_clock = "none"
                );
        mac_out2 : cycloneive_mac_out
                WITH (
                        dataa_width = 32,
                        output_clock = "0"
                );
        aclr    : NODE;
        clken   : NODE;

BEGIN 
        mac_mult1.dataa[] = ( dataa[]);
        mac_mult1.datab[] = ( datab[]);
        mac_mult1.signa = B"1";
        mac_mult1.signb = B"1";
        mac_out2.aclr = aclr;
        mac_out2.clk = clock;
        mac_out2.dataa[] = mac_mult1.dataout[];
        mac_out2.ena = clken;
        aclr = GND;
        clken = VCC;
        result[15..0] = mac_out2.dataout[31..16];
END;
--VALID FILE