atosm_sim.v

   1 // Atosm Chip
   2 // Copyright (C) 2008 Tomasz Malesinski <tmal@mimuw.edu.pl>
   3 //
   4 // This program is free software; you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation; either version 2 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with this program; if not, write to the Free Software
  16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17
  18 `include "atosm.v"
  19 `include "clock.v"
  20
  21 module atosm_sim();
  22    wire atari_clk;
  23    wire atari_clk2;
  24    reg  clk;
  25
  26    reg rst_o;
  27
  28    initial begin
  29       $readmemh("os/atarios.memh", u_atosm.u_atari.u_rom.memory);
  30       $readmemh("fw/fw.memh", u_atosm.u_rom.memory);
  31
  32       $monitor("%h %h", u_atosm.u_cpu.pc, u_atosm.u_atari.u_cpu.pc);
  33
  34       clk = 0;
  35       rst_o = 0;
  36       #5 rst_o = 1;
  37       #40 rst_o = 0;
  38       #2_000_000_0;
  39       $finish;
  40    end
  41
  42    always begin
  43       #1 clk = ~clk;
  44    end
  45
  46    clkgen u_clkgen(.clk_o(atari_clk), .clk2_o(atari_clk2));
  47    atosm u_atosm(.rst_i(rst_o), .clk_i(clk),
  48                  .atari_clk_i(atari_clk), .atari_clk2_i(atari_clk2));
  49
  50 endmodule