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[/] [a-z80/] [trunk/] [cpu/] [bus/] [data_pins_lattice.v] - Rev 20
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// Use this file with Lattice toolset instead of data_pins.v // // This file is provided courtesy by JuanS module data_pins( bus_db_pin_oe, bus_db_pin_re, ctl_bus_db_we, clk, ctl_bus_db_oe, D, db ); input wire bus_db_pin_oe; input wire bus_db_pin_re; input wire ctl_bus_db_we; input wire clk; input wire ctl_bus_db_oe; inout wire [7:0] D; inout wire [7:0] db; reg [7:0] dout; always@(negedge clk) begin if (ctl_bus_db_we | bus_db_pin_re) begin if (bus_db_pin_re) dout <= D; else if (ctl_bus_db_we) dout <= db; end end assign db = ctl_bus_db_oe ? dout : 8'hZ; assign D = bus_db_pin_oe ? dout : 8'hZ; endmodule
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