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Rev 55 |
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Line 35... |
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//
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// ============================================================================
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// ============================================================================
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module dfmul(clk, ld, a, b, p, done);
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module dfmul(clk, ld, a, b, p, done);
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parameter FPWID = 108;
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parameter N=33;
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localparam FPWID = N*4;
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parameter RADIX = 10;
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parameter RADIX = 10;
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localparam FPWID1 = FPWID;//((FPWID+2)/3)*3; // make FPWIDth a multiple of three
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localparam FPWID1 = FPWID;//((FPWID+2)/3)*3; // make FPWIDth a multiple of three
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localparam DMSB = FPWID1-1;
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localparam DMSB = FPWID1-1;
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input clk;
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input clk;
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input ld;
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input ld;
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parameter PREP = 2'd0;
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parameter PREP = 2'd0;
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parameter ADDN = 2'd1;
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parameter ADDN = 2'd1;
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parameter DONE = 2'd2;
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parameter DONE = 2'd2;
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reg [3:0] cnt; // iteration count
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reg [3:0] cnt; // iteration count
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reg [5:0] dcnt; // digit count
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reg [7:0] dcnt; // digit count
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reg [9:0] clkcnt;
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reg [9:0] clkcnt;
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reg [FPWID*2-1:0] pi = 0;
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reg [FPWID*2-1:0] pi = 0;
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reg [FPWID-1:0] ai = 0;
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reg [FPWID-1:0] ai = 0;
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reg [FPWID*2-1:0] bi = 0;
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reg [FPWID*2-1:0] bi = 0;
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wire [FPWID*2-1:0] sum;
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wire [FPWID*2-1:0] sum;
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#40 ld = 1'b0;
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#40 ld = 1'b0;
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end
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end
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always #5 clk = ~clk;
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always #5 clk = ~clk;
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dfmul #(108) u1 (
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dfmul #(27) u1 (
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.clk(clk),
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.clk(clk),
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.ld(ld),
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.ld(ld),
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.a(a),
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.a(a),
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.b(b),
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.b(b),
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.p(p),
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.p(p),
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