count10.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 16:45:35      

-- 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 "count10"
BEGIN

    DEVICE = "EPF10K10LC84-3";

    "clk"                          : INPUT_PIN  = 1      ;
    "enable"                       : INPUT_PIN  = 2      ;
    "reset"                        : INPUT_PIN  = 42     ;
    "cout"                         : OUTPUT_PIN = 69     ;
    "q0"                           : OUTPUT_PIN = 70     ;
    "q1"                           : OUTPUT_PIN = 73     ;
    "q2"                           : OUTPUT_PIN = 72     ;
    "q3"                           : OUTPUT_PIN = 71     ;
    "|LPM_ADD_SUB:77|addcore:adder|:55" : LOCATION   = LC6_A19;
    ":9"                           : LOCATION   = LC4_A19;  -- q_temp3
    ":10"                          : LOCATION   = LC3_A19;  -- q_temp2
    ":11"                          : LOCATION   = LC1_A19;  -- q_temp1
    ":12"                          : LOCATION   = LC8_A20;  -- q_temp0
    ":52"                          : LOCATION   = LC8_A19;
    ":130"                         : LOCATION   = LC7_A19;
    "~130~1"                       : LOCATION   = LC4_A18;
    ":142"                         : LOCATION   = LC5_A19;
    ":151"                         : LOCATION   = LC2_A19;
    ":227"                         : LOCATION   = LC8_A18;

END;

INTERNAL_INFO "count10"
BEGIN
	DEVICE = EPF10K10LC84-3;
    OD4P1   : LORAX = "1:FB4->LC4_A19,->LC3_A19,->LC1_A19,->LC8_A20|";
    OD1P2   : LORAX = "1:FB1|2:FH1R0|3:PA20R0C17->LC4_A18,->LC8_A18|,3:PA20R0C18->LC4_A19,->LC3_A19,->LC1_A19|,3:PA20R0C19->LC8_A20|||";
    OD3P42  : LORAX = "1:FB3|2:FH3R0|3:PA5R0C18->LC4_A19,->LC3_A19,->LC1_A19|,3:PA5R0C19->LC8_A20|||";
    LC4_A19 : LORAX = "1:MSW3R0C19,HHR13R0->OH3R0P71|";
    LC3_A19 : LORAX = "1:MSW2R0C18,HHR3R0->OH2R0P72|";
    LC1_A19 : LORAX = "1:MSW0R0C18,HHR22R0->OH0R0P73|";
    LC8_A20 : LORAX = "1:MSW4R0C18,HHR41R0->OH4R0P70|2:PA8R0C18->LC6_A19,->LC8_A19,->LC5_A19,->LC2_A19||";
    LC8_A19 : LORAX = "1:MSW7R0C19,HHR35R0,PA18R0C17->LC4_A18,->LC8_A18|";
    LC4_A18 : LORAX = "1:MSW3R0C17,HHR10R0,PA12R0C18->LC7_A19,->LC5_A19,->LC2_A19|";
    LC8_A18 : LORAX = "1:MSW7R0C17,HHR47R0->OH7R0P69|";
	LC6_A19 : LORAX2 = "X, X, LC8_A20, LC1_A19";
	LC4_A19 : LORAX2 = "OD3P42, OD1P2, LC4_A19, LC7_A19";
	LC3_A19 : LORAX2 = "OD3P42, OD1P2, LC5_A19, LC3_A19";
	LC1_A19 : LORAX2 = "OD3P42, OD1P2, LC2_A19, LC1_A19";
	LC8_A20 : LORAX2 = "X, OD3P42, OD1P2, LC8_A20";
	LC8_A19 : LORAX2 = "LC4_A19, LC8_A20, LC3_A19, LC1_A19";
	LC4_A18 : LORAX2 = "X, X, OD1P2, LC8_A19";
	LC7_A19 : LORAX2 = "LC6_A19, LC4_A19, LC4_A18, LC3_A19";
	LC5_A19 : LORAX2 = "LC4_A18, LC3_A19, LC1_A19, LC8_A20";
	LC2_A19 : LORAX2 = "X, LC8_A20, LC1_A19, LC4_A18";
	LC8_A18 : LORAX2 = "X, X, OD1P2, LC8_A19";
END;