pc.edf

键盘和USB与PC机的接口程序

           (port code_rd_l (direction OUTPUT))
           (port code_wr_l (direction OUTPUT))
           (port sram_cs_l (direction OUTPUT))
           (port slow_clk_out (direction OUTPUT))
           (port phase_1_clk_out (direction OUTPUT))
           (port slow_clk (direction INPUT))
           (port phase_1_clk (direction INPUT))
         )
         (contents
          (instance clk_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance clk_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance state_slow_clk4_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance state_slow_clk4_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance clk_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance clk_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_next_state_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_next_state_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_next_state_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_next_state_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_next_state_4 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_next_state_5 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_bbus_mux_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_bbus_mux_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_bbus_mux_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_addx_mux_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_addx_mux_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_oplo_gate (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_bx (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_ax (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_p (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_acc (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_alu_func_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_alu_func_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_alu_func_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_alu_func_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_sp (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_flag (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_pc_mux (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_code_wr_l_gate (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_data_bus_wr (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_sram_cs_l (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_pc (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_flag_mux (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_sp_mux (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_code_rd_l_gate (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_ophi_gate (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_code_cs_l (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance SEQ_w_opl_gate (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_4 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_5 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_6 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_7 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_8 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_9 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_10 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_sp_11 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ophi_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ophi_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ophi_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_opl_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_opl_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_opl_4 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_opl_5 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_opl_6 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_opl_7 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_oplo_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_oplo_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_oplo_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_oplo_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_oplo_4 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_oplo_5 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_oplo_6 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_oplo_7 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ophi_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_bx_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_bx_4 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_bx_5 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_bx_6 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_bx_7 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_acc_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_acc_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_acc_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_acc_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_acc_4 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_acc_5 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_acc_6 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_acc_7 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_opl_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_opl_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_p_4 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_p_5 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_p_6 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_p_7 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ax_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ax_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ax_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ax_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ax_4 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ax_5 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ax_6 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_ax_7 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_bx_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_bx_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_bx_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_p_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_p_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_p_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_p_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_11 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_9 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_10 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_6 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_7 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_8 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_4 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_5 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_1 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_2 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_3 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_carry (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_pos (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_zero (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_reg_pc_0 (viewRef prim (cellRef FD21 (libraryRef lattice))))
          (instance POPCORN_I_62 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_63 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_64 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_65 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_66 (viewRef prim (cellRef XOR2 (libraryRef lattice))))
          (instance POPCORN_I_67 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_68 (viewRef prim (cellRef XOR3 (libraryRef lattice))))
          (instance POPCORN_I_70 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_71 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_72 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_73 (viewRef prim (cellRef AND3 (libraryRef lattice))))
          (instance POPCORN_I_74 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_75 (viewRef prim (cellRef OR3 (libraryRef lattice))))
          (instance POPCORN_I_76 (viewRef prim (cellRef XOR3 (libraryRef lattice))))
          (instance POPCORN_I_77 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_78 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_79 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_80 (viewRef prim (cellRef OR3 (libraryRef lattice))))
          (instance POPCORN_I_81 (viewRef prim (cellRef XOR3 (libraryRef lattice))))
          (instance POPCORN_I_83 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_84 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_85 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_86 (viewRef prim (cellRef AND3 (libraryRef lattice))))
          (instance POPCORN_I_87 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_88 (viewRef prim (cellRef OR3 (libraryRef lattice))))
          (instance POPCORN_I_89 (viewRef prim (cellRef XOR3 (libraryRef lattice))))
          (instance POPCORN_I_90 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_91 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_92 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_93 (viewRef prim (cellRef OR3 (libraryRef lattice))))
          (instance POPCORN_I_94 (viewRef prim (cellRef XOR3 (libraryRef lattice))))
          (instance POPCORN_I_96 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_97 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_98 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_99 (viewRef prim (cellRef AND3 (libraryRef lattice))))
          (instance POPCORN_I_100 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_101 (viewRef prim (cellRef OR3 (libraryRef lattice))))
          (instance POPCORN_I_102 (viewRef prim (cellRef XOR3 (libraryRef lattice))))
          (instance POPCORN_I_103 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_104 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_105 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_106 (viewRef prim (cellRef OR3 (libraryRef lattice))))
          (instance POPCORN_I_107 (viewRef prim (cellRef XOR3 (libraryRef lattice))))
          (instance POPCORN_I_109 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_110 (viewRef prim (cellRef AND2 (libraryRef lattice))))
          (instance POPCORN_I_111 (viewRef prim (cellRef OR2 (libraryRef lattice))))
          (instance POPCORN_I_112 (viewRef prim (cellRef AND3 (libraryRef lattice))))