Subversion Repositories 2d_game_console

--lpm_abs CARRY_CHAIN="MANUAL" DEVICE_FAMILY="Cyclone IV E" IGNORE_CARRY_BUFFERS="OFF" LPM_WIDTH=16 data result

--VERSION_BEGIN 17.0 cbx_cycloneii 2017:04:25:18:06:29:SJ cbx_lpm_abs 2017:04:25:18:06:29:SJ cbx_lpm_add_sub 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_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

-- Copyright (C) 2017  Intel Corporation. All rights reserved.

--  Your use of Intel Corporation's design tools, logic functions

--  and other software and tools, and its AMPP partner logic

--  functions, and any output files from any of the foregoing

--  (including device programming or simulation files), and any

--  associated documentation or information are expressly subject

--  to the terms and conditions of the Intel Program License

--  Subscription Agreement, the Intel Quartus Prime License Agreement,

--  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 carry_sum (cin, sin)

RETURNS ( cout, sout);

--synthesis_resources = lut 16

SUBDESIGN lpm_abs_k0a

(

        data[15..0]     :       input;

        overflow        :       output;

        result[15..0]   :       output;

)

VARIABLE

        cs1a[15..0] : carry_sum;

        result_tmp[15..0]       : WIRE;

BEGIN

        cs1a[].cin = ( ((data[15..15] $ data[15..1]) & cs1a[14..0].cout), ((! data[0..0]) & data[15..15]));

        cs1a[].sin = ( ((data[15..15] $ data[15..1]) $ cs1a[14..0].cout), data[0..0]);

        overflow = (result_tmp[15..15] & data[15..15]);

        result[] = result_tmp[];

        result_tmp[] = ( cs1a[15..1].sout, data[0..0]);

END;

--VALID FILE