Subversion Repositories rtf68ksys

//---------------------------------------------------------------------------

// Keyboard test bench

//---------------------------------------------------------------------------

//

// Displays the ascii code for the key struck on the seven segment display.

/*

reg kbd_cyc;

reg kbd_stb;

reg kbd_we;

reg [31:0] kbd_adr;

reg [3:0] kstate;

always @(posedge clk25)

if (rst)

        kstate <= 4'd0;

else

case(kstate)

4'd0:

        if (kbd_irq) begin

                kstate <= 4'd1;

        end

4'd1:

        if (!kbd_cyc) begin

                kbd_cyc <= 1'b1;

                kbd_stb <= 1'b1;

                kbd_we <= 1'b0;

                kbd_adr <= 32'hFFDC_0000;

        end

        else if (kbd_ack) begin

                kbd_cyc <= 1'b0;

                kbd_stb <= 1'b0;

                valreg <= kbd_dbo + 6;

                kstate <= 4'd2;

        end

4'd2:

        if (!kbd_cyc) begin

                kbd_cyc <= 1'b1;

                kbd_stb <= 1'b1;

                kbd_adr <= 32'hFFDC_0001;

        end

        else if (kbd_ack) begin

                kbd_cyc <= 1'b0;

                kbd_stb <= 1'b0;

                kstate <= 4'd0;

        end

default:

        kstate <= 4'd0;

endcase

*/