Subversion Repositories theia_gpu

`timescale 1ns / 1ps

`include "aDefinitions.v"

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

module INCREMENT # ( parameter SIZE=`WIDTH )

(

input    wire                                   Clock,

input  wire                                     Reset,

input  wire[SIZE-1:0]    A,

output reg [SIZE-1:0]    R

);

always @ (posedge Clock)

begin

                R = A + 1;

end

endmodule

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

module FixedAddSub

(

input  wire                                     Clock,

input  wire                                     Reset,

input  wire [`LONG_WIDTH-1:0]    A,

input  wire [`LONG_WIDTH-1:0]    B,

output wire [`LONG_WIDTH-1:0]    R,

input  wire                                             iOperation,

input  wire                                     iInputReady,            //Is the input data valid?

output wire                                     OutputReady             //Our output data is ready!

);

reg MyOutputReady = 0;

wire [`LONG_WIDTH-1:0] wB;

assign wB = ( iOperation ) ? ~B + 1'b1 : B;

//Output ready just take 1 cycle

//assign OutputReady = iInputReady;

FFD_POSEDGE_SYNCRONOUS_RESET #(1) FFOutputReadyDelay2

(

        .Clock( Clock ),

        .Reset( Reset ),

        .Enable(1'b1 ),

        .D( iInputReady ),

        .Q( OutputReady )

);

assign R = ( A + wB );

endmodule