add.map.eqn

vhdl 学习基础实例,有利于VHDL入门很有帮助

-- Copyright (C) 1991-2005 Altera Corporation
-- Your use of Altera Corporation's design tools, logic functions 
-- and other software and tools, and its AMPP partner logic 
-- functions, and any output files any of the foregoing 
-- (including device programming or simulation files), and any 
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-- to the terms and conditions of the Altera Program License 
-- Subscription Agreement, Altera 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 Altera and sold by 
-- Altera or its authorized distributors.  Please refer to the 
-- applicable agreement for further details.
--A1L5 is add~308
--operation mode is normal

A1L5 = b[0] $ a[0];


--A1L6 is add~309
--operation mode is normal

A1L6 = a[1] $ b[1] $ (b[0] & a[0]);


--A1L7 is add~310
--operation mode is normal

A1L7 = a[1] & (b[1] # b[0] & a[0]) # !a[1] & b[1] & b[0] & a[0];


--A1L8 is add~311
--operation mode is normal

A1L8 = A1L7 $ a[2] $ b[2];


--A1L9 is add~312
--operation mode is normal

A1L9 = A1L7 & (a[2] # b[2]) # !A1L7 & a[2] & b[2];


--A1L23 is Mux~28
--operation mode is normal

A1L23 = A1L5 & (A1L9 # A1L6 $ A1L8) # !A1L5 & (A1L6 # A1L8 $ A1L9);


--A1L33 is Mux~29
--operation mode is normal

A1L33 = A1L5 & (A1L9 $ (A1L6 # !A1L8)) # !A1L5 & A1L6 & !A1L8 & !A1L9;


--A1L43 is Mux~30
--operation mode is normal

A1L43 = A1L6 & A1L5 & (!A1L9) # !A1L6 & (A1L8 & (!A1L9) # !A1L8 & A1L5);


--A1L53 is Mux~31
--operation mode is normal

A1L53 = A1L5 & (A1L6 $ !A1L8) # !A1L5 & (A1L6 & !A1L8 & A1L9 # !A1L6 & A1L8 & !A1L9);


--A1L63 is Mux~32
--operation mode is normal

A1L63 = A1L8 & A1L9 & (A1L6 # !A1L5) # !A1L8 & !A1L5 & A1L6 & !A1L9;


--A1L73 is Mux~33
--operation mode is normal

A1L73 = A1L6 & (A1L5 & (A1L9) # !A1L5 & A1L8) # !A1L6 & A1L8 & (A1L5 $ A1L9);


--A1L83 is Mux~34
--operation mode is normal

A1L83 = A1L8 & !A1L6 & (A1L5 $ !A1L9) # !A1L8 & A1L5 & (A1L6 $ !A1L9);


--b[0] is b[0]
--operation mode is input

b[0] = INPUT();


--a[0] is a[0]
--operation mode is input

a[0] = INPUT();


--a[1] is a[1]
--operation mode is input

a[1] = INPUT();


--b[1] is b[1]
--operation mode is input

b[1] = INPUT();


--a[2] is a[2]
--operation mode is input

a[2] = INPUT();


--b[2] is b[2]
--operation mode is input

b[2] = INPUT();


--c[0] is c[0]
--operation mode is output

c[0] = OUTPUT(VCC);


--c[1] is c[1]
--operation mode is output

c[1] = OUTPUT(!A1L23);


--c[2] is c[2]
--operation mode is output

c[2] = OUTPUT(A1L33);


--c[3] is c[3]
--operation mode is output

c[3] = OUTPUT(A1L43);


--c[4] is c[4]
--operation mode is output

c[4] = OUTPUT(A1L53);


--c[5] is c[5]
--operation mode is output

c[5] = OUTPUT(A1L63);


--c[6] is c[6]
--operation mode is output

c[6] = OUTPUT(A1L73);


--c[7] is c[7]
--operation mode is output

c[7] = OUTPUT(A1L83);


--en[0] is en[0]
--operation mode is output

en[0] = OUTPUT(GND);


--en[1] is en[1]
--operation mode is output

en[1] = OUTPUT(VCC);


--en[2] is en[2]
--operation mode is output

en[2] = OUTPUT(VCC);


--en[3] is en[3]
--operation mode is output

en[3] = OUTPUT(VCC);


--en[4] is en[4]
--operation mode is output

en[4] = OUTPUT(VCC);


--en[5] is en[5]
--operation mode is output

en[5] = OUTPUT(VCC);


--en[6] is en[6]
--operation mode is output

en[6] = OUTPUT(VCC);


--en[7] is en[7]
--operation mode is output

en[7] = OUTPUT(VCC);