choose_decoder.fit

vhdl实现的计数器,可以从0记到999,该代码使用模块化设计思想,开发工具muxplus2

-- MAX+plus II Compiler Fit File      
-- Version 10.0 9/14/2000             
-- Compiled: 11/14/2008 14:54:11      

-- 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 "choose_decoder"
BEGIN

    DEVICE = "EPF10K10LC84-3";

    "sel0"                         : INPUT_PIN  = 44     ;
    "sel1"                         : INPUT_PIN  = 42     ;
    "sel2"                         : INPUT_PIN  = 2      ;
    "choose0"                      : OUTPUT_PIN = 29     ;
    "choose1"                      : OUTPUT_PIN = 61     ;
    "choose2"                      : OUTPUT_PIN = 27     ;
    "choose3"                      : OUTPUT_PIN = 80     ;
    "choose4"                      : OUTPUT_PIN = 58     ;
    "choose5"                      : OUTPUT_PIN = 60     ;
    "choose6"                      : OUTPUT_PIN = 78     ;
    "choose7"                      : OUTPUT_PIN = 79     ;
    ":217"                         : LOCATION   = LC6_C23;
    ":227"                         : LOCATION   = LC4_C23;
    ":237"                         : LOCATION   = LC7_C23;
    ":247"                         : LOCATION   = LC8_C23;
    ":257"                         : LOCATION   = LC1_C23;
    ":267"                         : LOCATION   = LC3_C23;
    ":277"                         : LOCATION   = LC5_C23;
    ":282"                         : LOCATION   = LC2_C23;

END;

INTERNAL_INFO "choose_decoder"
BEGIN
	DEVICE = EPF10K10LC84-3;
    OD2P44  : LORAX = "1:FB2|2:FH2R2,PA6R2C22->LC6_C23,->LC4_C23,->LC7_C23,->LC8_C23,->LC1_C23,->LC3_C23,->LC5_C23,->LC2_C23||";
    OD3P42  : LORAX = "1:FB3|2:FH3R2,PA5R2C22->LC6_C23,->LC4_C23,->LC7_C23,->LC8_C23,->LC1_C23,->LC3_C23,->LC5_C23,->LC2_C23||";
    OD1P2   : LORAX = "1:FB1|2:FH1R2,PA20R2C22->LC6_C23,->LC4_C23,->LC7_C23,->LC8_C23,->LC1_C23,->LC3_C23,->LC5_C23,->LC2_C23||";
    LC6_C23 : LORAX = "1:MSW5R2C23,V17C23->OV0C23P78|";
    LC4_C23 : LORAX = "1:MSW3R2C23,G25R2->OH3R2P60|";
    LC7_C23 : LORAX = "1:MSW6R2C23,G70R2->OH6R2P58|";
    LC8_C23 : LORAX = "1:MSW7R2C22,V23C22->OV0C22P80|";
    LC1_C23 : LORAX = "1:MSW0R2C22,G46R2->OH8R2P27|";
    LC3_C23 : LORAX = "1:MSW2R2C22,G10R2->OH2R2P61|";
    LC5_C23 : LORAX = "1:MSW4R2C23,G66R2->OH12R2P29|";
    LC2_C23 : LORAX = "1:MSW1R2C23,V4C23->OV1C23P79|";
	LC6_C23 : LORAX2 = "X, OD2P44, OD3P42, OD1P2";
	LC4_C23 : LORAX2 = "X, OD2P44, OD3P42, OD1P2";
	LC7_C23 : LORAX2 = "X, OD2P44, OD3P42, OD1P2";
	LC8_C23 : LORAX2 = "X, OD2P44, OD3P42, OD1P2";
	LC1_C23 : LORAX2 = "X, OD2P44, OD3P42, OD1P2";
	LC3_C23 : LORAX2 = "X, OD2P44, OD3P42, OD1P2";
	LC5_C23 : LORAX2 = "X, OD2P44, OD3P42, OD1P2";
	LC2_C23 : LORAX2 = "X, OD2P44, OD3P42, OD1P2";
END;