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/*****************************************************************************
Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
more contributor license agreements. See the NOTICE file distributed
with this work for additional information regarding copyright ownership.
Accellera licenses this file to you under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with the
License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied. See the License for the specific language governing
permissions and limitations under the License.
*****************************************************************************/
/*****************************************************************************
tb.h --
Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
*****************************************************************************/
/*****************************************************************************
MODIFICATION LOG - modifiers, enter your name, affiliation, date and
changes you are making here.
Name, Affiliation, Date:
Description of Modification:
*****************************************************************************/
#include "common.h"
SC_MODULE( testbench )
{
SC_HAS_PROCESS( testbench );
sc_in_clk clk;
sc_out<bool> reset;
sc_out<bool> x_ok;
sc_out<bool> y_ok;
sc_in<bool> data_ready;
sc_in<bool> select_xy;
sc_in<bool_vector> coord_xy;
void entry();
testbench( sc_module_name name_,
const sc_clock& clk_,
sc_signal<bool>& reset_,
sc_signal<bool>& x_ok_,
sc_signal<bool>& y_ok_,
const sc_signal<bool>& data_ready_,
const sc_signal<bool>& select_xy_,
const signal_bool_vector& coord_xy_ )
: sc_module( name_ )
{
clk( clk_ );
reset( reset_ );
x_ok( x_ok_ );
y_ok( y_ok_ );
data_ready( data_ready_ );
select_xy( select_xy_ );
coord_xy( coord_xy_ );
SC_CTHREAD( entry, clk.neg() );
}
};
sc_bv<16> mem[17];
void
testbench::entry()
{
bool_vector x_coord;
bool_vector y_coord;
int x_flag = 0;
int y_flag = 0;
int i; // Counter variable
int x = 0; // Memory location of x_coord
int y = 1; // Memory location of y_coord
// reset initialization
reset.write(1);
x_ok.write(0);
y_ok.write(0);
wait();
reset.write(0);
wait();
// fill display memory with zeros
for (i = 1; i < 17; i++)
mem[i] = 0;
// capture of (x,y) coordinates
while(true) {
// wait for new x or y coordinate to be calculated
do { wait(); } while (data_ready == 0);
// capture x coordinate
if(select_xy.read() == 0) {
x_coord = coord_xy.read();
x_flag = x_flag + 1;
x_ok.write(1);
}
// capture y coordinate
if(select_xy.read() == 1) {
y_coord = coord_xy.read();
y_flag = y_flag + 1;
y_ok.write(1);
}
wait();
x_ok.write(0);
y_ok.write(0);
// debug display of coordinate sets
/*
if (x_flag == y_flag) {
cout << " Coordinate Set #" << x_flag
<< " X = " << x_coord.to_int()
<< " Y = " << y_coord.to_int()
<< endl;
}
*/
// conversion of x coordinate values to memory column locations
if (x_coord.to_int() == -8) x = 15;
if (x_coord.to_int() == -7) x = 14;
if (x_coord.to_int() == -6) x = 13;
if (x_coord.to_int() == -5) x = 12;
if (x_coord.to_int() == -4) x = 11;
if (x_coord.to_int() == -3) x = 10;
if (x_coord.to_int() == -2) x = 9;
if (x_coord.to_int() == -1) x = 8;
if (x_coord.to_int() == 0) x = 7;
if (x_coord.to_int() == 1) x = 6;
if (x_coord.to_int() == 2) x = 5;
if (x_coord.to_int() == 3) x = 4;
if (x_coord.to_int() == 4) x = 3;
if (x_coord.to_int() == 5) x = 2;
if (x_coord.to_int() == 6) x = 1;
if (x_coord.to_int() == 7) x = 0;
// conversion of y coordinate values to memory row locations
if (y_coord.to_int() == -8) y = 16;
if (y_coord.to_int() == -7) y = 15;
if (y_coord.to_int() == -6) y = 14;
if (y_coord.to_int() == -5) y = 13;
if (y_coord.to_int() == -4) y = 12;
if (y_coord.to_int() == -3) y = 11;
if (y_coord.to_int() == -2) y = 10;
if (y_coord.to_int() == -1) y = 9;
if (y_coord.to_int() == 0) y = 8;
if (y_coord.to_int() == 1) y = 7;
if (y_coord.to_int() == 2) y = 6;
if (y_coord.to_int() == 3) y = 5;
if (y_coord.to_int() == 4) y = 4;
if (y_coord.to_int() == 5) y = 3;
if (y_coord.to_int() == 6) y = 2;
if (y_coord.to_int() == 7) y = 1;
// turn bit high in memory for calculated coordinate
mem[y][x] = 1;
// stop simulation after 100 coordinates
if (y_flag == 100) break;
} // End of while loop
cout << "\n\t FINAL MEMORY VALUES" << endl;
for (i = 1; i < 17; i++)
cout << "Memory Location " << i
<< " : \t" << mem[i] << endl;
sc_stop();
}
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