+-- `Deep Thought', a softcore CPU implemented on a FPGA
+--
+-- Copyright (C) 2010 Markus Hofstaetter <markus.manrow@gmx.at>
+-- Copyright (C) 2010 Martin Perner <e0725782@student.tuwien.ac.at>
+-- Copyright (C) 2010 Stefan Rebernig <stefan.rebernig@gmail.com>
+-- Copyright (C) 2010 Manfred Schwarz <e0725898@student.tuwien.ac.at>
+-- Copyright (C) 2010 Bernhard Urban <lewurm@gmail.com>
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <http://www.gnu.org/licenses/>.
+
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
--System inputs
clk => sys_clk_pin, --: in std_logic;
reset => sys_res_n_pin, --: in std_logic;
-
+ s_reset => '1',
--Data inputs
jump_result => jump_result_pin, --: in instruction_addr_t;
prediction_result => prediction_result_pin, --: in instruction_addr_t;
data_pin, alu_jump_pin,brpr_pin, wr_en_pin, dmem_pin,dmem_wr_en_pin,hword_pin,byte_s_pin, gpm_out_pin);
writeback_st : writeback_stage
- generic map('0', '1')
+ generic map('0', '1', "altera",50)
port map(sys_clk_pin, sys_res_n_pin, result_pin, result_addr_pin, addr_pin, data_pin, alu_jump_pin, brpr_pin,
wr_en_pin, dmem_pin, dmem_wr_en_pin, hword_pin, byte_s_pin,
reg_wr_data_pin, reg_we_pin, reg_w_addr_pin, jump_result_pin, alu_jump_bit_pin, tx_pin, rx_pin, new_im_data, im_addr, im_data, sseg0, sseg1, sseg2, sseg3, int_req_pin);
begin
for i in 0 to 9 loop
rx_pin <= trans_data(i);
+ report "bit: " & std_logic'image(trans_data(i));
dummy <= not dummy;
wait on dummy;
- icwait(BAUD_COUNT);
+ -- icwait(BAUD_COUNT);
+ icwait(50);
end loop;
end txd;
-- initial reset
-----------------------------------------------------------------------------
sys_res_n_pin <= '0';
+ rx_pin <= '1';
-- reg_w_addr_pin <= (others => '0');
-- reg_wr_data_pin <= (others => '0');
-- reg_we_pin <= '0';
icwait(10);
- txd("0100000101");
+ txd("0000100101");
+ icwait(600);
+ icwait(600);
- icwait(1000000000);
+ txd("0000100101");
+ icwait(600000000);
---------------------------------------------------------------------------
-- exit testbench