michael19788

/************************************************
  The Verilog HDL code example is from the book
  Computer Principles and Design in Verilog HDL
  by Yamin Li, published by A JOHN WILEY & SONS
************************************************/
module display_scan_codes (sys_clk,clrn,ps2_clk,ps2_data,r,g,b,hs,vs,
                           vga_clk,blankn,syncn);  // display key scan codes
    input        sys_clk, clrn;     // sys_clk: 50MHz
    input        ps2_clk, ps2_data; // kbd clk and data
    output [7:0] r, g, b;           // vga red,green,blue colors