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//

// display.v -- 30x80 character display, with attributes

//

`timescale 1ns/10ps

`default_nettype none

module display(clk,

               dsp_row, dsp_col, dsp_en, dsp_wr,

               dsp_wr_data, dsp_rd_data,

               hsync, vsync, r, g, b);

    input clk;

    input [4:0] dsp_row;

    input [6:0] dsp_col;

    input dsp_en;

    input dsp_wr;

    input [15:0] dsp_wr_data;

    output [15:0] dsp_rd_data;

    output hsync;

    output vsync;

    output r;

    output g;

    output b;

  wire pixclk;

  wire [4:0] timing_txtrow;

  wire [6:0] timing_txtcol;

  wire [3:0] timing_chrrow;

  wire [2:0] timing_chrcol;

  wire timing_blank;

  wire timing_hsync;

  wire timing_vsync;

  wire timing_blink;

  wire [7:0] dspmem_attcode;

  wire [7:0] dspmem_chrcode;

  wire [3:0] dspmem_chrrow;

  wire [2:0] dspmem_chrcol;

  wire dspmem_blank;

  wire dspmem_hsync;

  wire dspmem_vsync;

  wire dspmem_blink;

  wire [7:0] chrgen_attcode;

  wire chrgen_pixel;

  wire chrgen_blank;

  wire chrgen_hsync;

  wire chrgen_vsync;

  wire chrgen_blink;

  timing timing_1(

    .clk(clk),

    .pixclk(pixclk),

    .txtrow(timing_txtrow[4:0]),

    .txtcol(timing_txtcol[6:0]),

    .chrrow(timing_chrrow[3:0]),

    .chrcol(timing_chrcol[2:0]),

    .blank(timing_blank),

    .hsync(timing_hsync),

    .vsync(timing_vsync),

    .blink(timing_blink)

  );

  dspmem dspmem_1(

    .rdwr_row(dsp_row[4:0]),

    .rdwr_col(dsp_col[6:0]),

    .wr_data(dsp_wr_data[15:0]),

    .rd_data(dsp_rd_data[15:0]),

    .en(dsp_en),

    .wr(dsp_wr),

    .clk(clk),

    .pixclk(pixclk),

    .txtrow(timing_txtrow[4:0]),

    .txtcol(timing_txtcol[6:0]),

    .attcode(dspmem_attcode[7:0]),

    .chrcode(dspmem_chrcode[7:0]),

    .chrrow_in(timing_chrrow[3:0]),

    .chrcol_in(timing_chrcol[2:0]),

    .blank_in(timing_blank),

    .hsync_in(timing_hsync),

    .vsync_in(timing_vsync),

    .blink_in(timing_blink),

    .chrrow_out(dspmem_chrrow[3:0]),

    .chrcol_out(dspmem_chrcol[2:0]),

    .blank_out(dspmem_blank),

    .hsync_out(dspmem_hsync),

    .vsync_out(dspmem_vsync),

    .blink_out(dspmem_blink)

  );

  chrgen chrgen_1(

    .clk(clk),

    .pixclk(pixclk),

    .chrcode(dspmem_chrcode[7:0]),

    .chrrow(dspmem_chrrow[3:0]),

    .chrcol(dspmem_chrcol[2:0]),

    .pixel(chrgen_pixel),

    .attcode_in(dspmem_attcode[7:0]),

    .blank_in(dspmem_blank),

    .hsync_in(dspmem_hsync),

    .vsync_in(dspmem_vsync),

    .blink_in(dspmem_blink),

    .attcode_out(chrgen_attcode[7:0]),

    .blank_out(chrgen_blank),

    .hsync_out(chrgen_hsync),

    .vsync_out(chrgen_vsync),

    .blink_out(chrgen_blink)

  );

  pixel pixel_1(

    .clk(clk),

    .pixclk(pixclk),

    .attcode(chrgen_attcode[7:0]),

    .pixel(chrgen_pixel),

    .blank(chrgen_blank),

    .hsync_in(chrgen_hsync),

    .vsync_in(chrgen_vsync),

    .blink(chrgen_blink),

    .hsync(hsync),

    .vsync(vsync),

    .r(r),

    .g(g),

    .b(b)

  );

endmodule