1 |
6 |
ashematian |
--lpm_divide DEVICE_FAMILY="Cyclone II" LPM_DREPRESENTATION="UNSIGNED" LPM_NREPRESENTATION="UNSIGNED" LPM_WIDTHD=7 LPM_WIDTHN=20 OPTIMIZE_FOR_SPEED=1 denom numer quotient CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48 IGNORE_CARRY_BUFFERS="OFF"
|
2 |
|
|
--VERSION_BEGIN 9.0 cbx_cycloneii 2008:05:19:10:57:37:SJ cbx_lpm_abs 2008:05:19:10:51:43:SJ cbx_lpm_add_sub 2008:12:09:22:11:50:SJ cbx_lpm_divide 2008:05:21:18:11:28:SJ cbx_mgl 2009:01:29:16:12:07:SJ cbx_stratix 2008:09:18:16:08:35:SJ cbx_stratixii 2008:11:14:16:08:42:SJ cbx_util_mgl 2008:11:21:14:58:47:SJ VERSION_END
|
3 |
|
|
|
4 |
|
|
|
5 |
|
|
-- Copyright (C) 1991-2009 Altera Corporation
|
6 |
|
|
-- Your use of Altera Corporation's design tools, logic functions
|
7 |
|
|
-- and other software and tools, and its AMPP partner logic
|
8 |
|
|
-- functions, and any output files from any of the foregoing
|
9 |
|
|
-- (including device programming or simulation files), and any
|
10 |
|
|
-- associated documentation or information are expressly subject
|
11 |
|
|
-- to the terms and conditions of the Altera Program License
|
12 |
|
|
-- Subscription Agreement, Altera MegaCore Function License
|
13 |
|
|
-- Agreement, or other applicable license agreement, including,
|
14 |
|
|
-- without limitation, that your use is for the sole purpose of
|
15 |
|
|
-- programming logic devices manufactured by Altera and sold by
|
16 |
|
|
-- Altera or its authorized distributors. Please refer to the
|
17 |
|
|
-- applicable agreement for further details.
|
18 |
|
|
|
19 |
|
|
|
20 |
|
|
FUNCTION sign_div_unsign_klh (denominator[6..0], numerator[19..0])
|
21 |
|
|
RETURNS ( quotient[19..0], remainder[6..0]);
|
22 |
|
|
|
23 |
|
|
--synthesis_resources = lut 147
|
24 |
|
|
SUBDESIGN lpm_divide_aem
|
25 |
|
|
(
|
26 |
|
|
denom[6..0] : input;
|
27 |
|
|
numer[19..0] : input;
|
28 |
|
|
quotient[19..0] : output;
|
29 |
|
|
remain[6..0] : output;
|
30 |
|
|
)
|
31 |
|
|
VARIABLE
|
32 |
|
|
divider : sign_div_unsign_klh;
|
33 |
|
|
numer_tmp[19..0] : WIRE;
|
34 |
|
|
|
35 |
|
|
BEGIN
|
36 |
|
|
divider.denominator[] = denom[];
|
37 |
|
|
divider.numerator[] = numer_tmp[];
|
38 |
|
|
numer_tmp[] = numer[];
|
39 |
|
|
quotient[] = divider.quotient[];
|
40 |
|
|
remain[] = divider.remainder[];
|
41 |
|
|
END;
|
42 |
|
|
--VALID FILE
|