103 lines
3.5 KiB
Plaintext
103 lines
3.5 KiB
Plaintext
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--lpm_counter CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEVICE_FAMILY="Cyclone IV E" lpm_modulus=15 lpm_port_updown="PORT_CONNECTIVITY" lpm_width=4 clock q sclr CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48
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--VERSION_BEGIN 13.1 cbx_cycloneii 2013:10:17:09:48:19:SJ cbx_lpm_add_sub 2013:10:17:09:48:19:SJ cbx_lpm_compare 2013:10:17:09:48:19:SJ cbx_lpm_counter 2013:10:17:09:48:19:SJ cbx_lpm_decode 2013:10:17:09:48:19:SJ cbx_mgl 2013:10:17:09:48:49:SJ cbx_stratix 2013:10:17:09:48:19:SJ cbx_stratixii 2013:10:17:09:48:19:SJ VERSION_END
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-- Copyright (C) 1991-2013 Altera Corporation
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-- Your use of Altera Corporation's design tools, logic functions
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-- and other software and tools, and its AMPP partner logic
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-- functions, and any output files from any of the foregoing
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-- (including device programming or simulation files), and any
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-- associated documentation or information are expressly subject
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-- to the terms and conditions of the Altera Program License
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-- Subscription Agreement, Altera MegaCore Function License
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-- Agreement, or other applicable license agreement, including,
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-- without limitation, that your use is for the sole purpose of
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-- programming logic devices manufactured by Altera and sold by
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-- Altera or its authorized distributors. Please refer to the
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-- applicable agreement for further details.
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FUNCTION cycloneive_lcell_comb (cin, dataa, datab, datac, datad)
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WITH ( DONT_TOUCH, LUT_MASK, SUM_LUTC_INPUT)
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RETURNS ( combout, cout);
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FUNCTION cmpr_qgc (dataa[3..0], datab[3..0])
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RETURNS ( aeb);
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--synthesis_resources = lut 4 reg 4
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SUBDESIGN cntr_egi
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(
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clock : input;
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q[3..0] : output;
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sclr : input;
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)
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VARIABLE
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counter_comb_bita0 : cycloneive_lcell_comb
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WITH (
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LUT_MASK = "5A90",
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SUM_LUTC_INPUT = "cin"
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);
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counter_comb_bita1 : cycloneive_lcell_comb
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WITH (
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LUT_MASK = "5A90",
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SUM_LUTC_INPUT = "cin"
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);
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counter_comb_bita2 : cycloneive_lcell_comb
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WITH (
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LUT_MASK = "5A90",
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SUM_LUTC_INPUT = "cin"
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);
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counter_comb_bita3 : cycloneive_lcell_comb
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WITH (
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LUT_MASK = "5A90",
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SUM_LUTC_INPUT = "cin"
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);
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counter_reg_bit[3..0] : dffeas;
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cmpr1 : cmpr_qgc;
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aclr_actual : WIRE;
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clk_en : NODE;
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cnt_en : NODE;
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compare_result : WIRE;
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cout_actual : WIRE;
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data[3..0] : NODE;
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external_cin : WIRE;
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modulus_bus[3..0] : WIRE;
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modulus_trigger : WIRE;
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s_val[3..0] : WIRE;
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safe_q[3..0] : WIRE;
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sload : NODE;
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sset : NODE;
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time_to_clear : WIRE;
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updown_dir : WIRE;
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BEGIN
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counter_comb_bita[3..0].cin = ( counter_comb_bita[2..0].cout, external_cin);
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counter_comb_bita[3..0].dataa = ( counter_reg_bit[3..0].q);
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counter_comb_bita[3..0].datab = ( updown_dir, updown_dir, updown_dir, updown_dir);
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counter_comb_bita[3..0].datad = ( B"1", B"1", B"1", B"1");
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counter_reg_bit[].asdata = ((! sclr) & ((sset & s_val[]) # ((! sset) & ((sload & data[]) # (((! sload) & modulus_bus[]) & (! updown_dir))))));
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counter_reg_bit[].clk = clock;
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counter_reg_bit[].clrn = (! aclr_actual);
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counter_reg_bit[].d = ( counter_comb_bita[3..0].combout);
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counter_reg_bit[].ena = (clk_en & (((sclr # sset) # sload) # cnt_en));
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counter_reg_bit[].sload = (((sclr # sset) # sload) # modulus_trigger);
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cmpr1.dataa[] = safe_q[];
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cmpr1.datab[] = modulus_bus[];
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aclr_actual = B"0";
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clk_en = VCC;
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cnt_en = VCC;
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compare_result = cmpr1.aeb;
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cout_actual = (counter_comb_bita[3].cout # (time_to_clear & updown_dir));
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data[] = GND;
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external_cin = B"1";
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modulus_bus[] = B"1110";
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modulus_trigger = cout_actual;
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q[] = safe_q[];
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s_val[] = B"1111";
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safe_q[] = counter_reg_bit[].q;
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sload = GND;
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sset = GND;
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time_to_clear = compare_result;
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updown_dir = B"1";
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END;
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--VALID FILE
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