div.fit

用VHDL语言实现通用计算器设计

-- MAX+plus II Compiler Fit File      
-- Version 10.0 9/14/2000             
-- Compiled: 12/07/2007 22:51:36      

-- Copyright (C) 1988-2000 Altera Corporation
-- Any megafunction design, and related net list (encrypted or decrypted),
-- support information, device programming or simulation file, and any other
-- associated documentation or information provided by Altera or a partner
-- under Altera's Megafunction Partnership Program may be used only to
-- program PLD devices (but not masked PLD devices) from Altera.  Any other
-- use of such megafunction design, net list, support information, device
-- programming or simulation file, or any other related documentation or
-- information is prohibited for any other purpose, including, but not
-- limited to modification, reverse engineering, de-compiling, or use with
-- any other silicon devices, unless such use is explicitly licensed under
-- a separate agreement with Altera or a megafunction partner.  Title to
-- the intellectual property, including patents, copyrights, trademarks,
-- trade secrets, or maskworks, embodied in any such megafunction design,
-- net list, support information, device programming or simulation file, or
-- any other related documentation or information provided by Altera or a
-- megafunction partner, remains with Altera, the megafunction partner, or
-- their respective licensors.  No other licenses, including any licenses
-- needed under any third party's intellectual property, are provided herein.

CHIP "div"
BEGIN

    DEVICE = "EPF10K10LC84-4";

    "a0"                           : INPUT_PIN  = 25     ;
    "a1"                           : INPUT_PIN  = 21     ;
    "a2"                           : INPUT_PIN  = 81     ;
    "a3"                           : INPUT_PIN  = 84     ;
    "a4"                           : INPUT_PIN  = 42     ;
    "a5"                           : INPUT_PIN  = 44     ;
    "a6"                           : INPUT_PIN  = 43     ;
    "a7"                           : INPUT_PIN  = 24     ;
    "b0"                           : INPUT_PIN  = 48     ;
    "b1"                           : INPUT_PIN  = 78     ;
    "b2"                           : INPUT_PIN  = 22     ;
    "b3"                           : INPUT_PIN  = 23     ;
    "clk"                          : INPUT_PIN  = 1      ;
    "str"                          : INPUT_PIN  = 2      ;
    "s0"                           : OUTPUT_PIN = 47     ;
    "s1"                           : OUTPUT_PIN = 67     ;
    "s2"                           : OUTPUT_PIN = 83     ;
    "s3"                           : OUTPUT_PIN = 66     ;
    "y0"                           : OUTPUT_PIN = 54     ;
    "y1"                           : OUTPUT_PIN = 64     ;
    "y2"                           : OUTPUT_PIN = 52     ;
    "y3"                           : OUTPUT_PIN = 65     ;
    "|sub4:u1|adder:add|:14"       : LOCATION   = LC7_B23;
    "|sub4:u1|adder:add~62|:14"    : LOCATION   = LC4_B23;
    "|sub4:u1|adder:add~93|:14"    : LOCATION   = LC2_B14;
    "|sub4:u1|adder:add~116|:14"   : LOCATION   = LC1_B14;
    ":15"                          : LOCATION   = LC3_B19;
    ":17"                          : LOCATION   = LC4_B13;
    ":19"                          : LOCATION   = LC1_B17;
    ":21"                          : LOCATION   = LC2_B13;
    ":23"                          : LOCATION   = LC8_B14;
    ":25"                          : LOCATION   = LC3_B20;
    ":27"                          : LOCATION   = LC6_B20;
    ":29"                          : LOCATION   = LC6_B22;
    ":31"                          : LOCATION   = LC7_B18;  -- state2
    ":32"                          : LOCATION   = LC8_B18;  -- state1
    ":33"                          : LOCATION   = LC8_B13;  -- state0
    ":34"                          : LOCATION   = LC8_B24;  -- atem3
    ":35"                          : LOCATION   = LC2_B24;  -- atem2
    ":36"                          : LOCATION   = LC5_B23;  -- atem1
    ":37"                          : LOCATION   = LC4_B22;  -- atem0
    ":38"                          : LOCATION   = LC5_B14;  -- btem3
    ":39"                          : LOCATION   = LC4_B14;  -- btem2
    ":40"                          : LOCATION   = LC6_B23;  -- btem1
    ":41"                          : LOCATION   = LC6_B13;  -- btem0
    ":43"                          : LOCATION   = LC3_B24;  -- ain6
    ":44"                          : LOCATION   = LC1_B24;  -- ain5
    ":45"                          : LOCATION   = LC1_B23;  -- ain4
    ":46"                          : LOCATION   = LC5_B19;  -- ain3
    ":47"                          : LOCATION   = LC8_B19;  -- ain2
    ":48"                          : LOCATION   = LC6_B17;  -- ain1
    ":49"                          : LOCATION   = LC4_B17;  -- ain0
    ":60"                          : LOCATION   = LC5_B13;  -- n1
    ":61"                          : LOCATION   = LC7_B13;  -- n0
    ":431"                         : LOCATION   = LC7_B24;
    ":437"                         : LOCATION   = LC5_B24;
    ":443"                         : LOCATION   = LC3_B23;
    ":503"                         : LOCATION   = LC3_B22;
    ":509"                         : LOCATION   = LC7_B19;
    ":515"                         : LOCATION   = LC8_B17;
    ":521"                         : LOCATION   = LC3_B17;
    ":1053"                        : LOCATION   = LC3_B14;
    ":1059"                        : LOCATION   = LC8_B23;
    ":1065"                        : LOCATION   = LC7_B22;
    ":1341"                        : LOCATION   = LC6_B14;
    ":1469"                        : LOCATION   = LC5_B18;
    ":1479"                        : LOCATION   = LC1_B18;
    ":1489"                        : LOCATION   = LC6_B18;
    ":1499"                        : LOCATION   = LC2_B18;
    "~1499~1"                      : LOCATION   = LC2_B22;
    ":1556"                        : LOCATION   = LC7_B14;
    "~1607~1"                      : LOCATION   = LC3_B18;
    ":1665"                        : LOCATION   = LC6_B24;
    ":1666"                        : LOCATION   = LC2_B20;
    ":1680"                        : LOCATION   = LC4_B24;
    ":1681"                        : LOCATION   = LC8_B20;
    ":1695"                        : LOCATION   = LC2_B23;
    ":1696"                        : LOCATION   = LC8_B22;
    "~1712~1"                      : LOCATION   = LC1_B22;
    "~1712~2"                      : LOCATION   = LC5_B22;
    "~1757~1"                      : LOCATION   = LC4_B18;
    "~1832~1"                      : LOCATION   = LC1_B13;
    ":1845"                        : LOCATION   = LC2_B19;
    ":1846"                        : LOCATION   = LC1_B19;
    ":1860"                        : LOCATION   = LC6_B19;
    ":1861"                        : LOCATION   = LC4_B19;
    ":1875"                        : LOCATION   = LC7_B17;
    ":1876"                        : LOCATION   = LC5_B17;
    ":1889"                        : LOCATION   = LC2_B17;
    "~1982~1"                      : LOCATION   = LC3_B13;