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module top(
input clk,
input rstn,
output LED1,
output LED2);
wire reset = !rstn;
wire [15:0] A = 16'd999;
wire [15:0] B = 16'd12345;
wire [31:0] RES = 32'd12332655;
wire [31:0] dsp_out;
SB_MAC16 i_sbmac16
(
.A(A),
.B(B),
.C(16'b0),
.D(16'b0),
.CLK(clk),
.CE(1'b1),
.IRSTTOP(reset),
.IRSTBOT(reset),
.ORSTTOP(reset),
.ORSTBOT(reset),
.AHOLD(1'b0),
.BHOLD(1'b0),
.CHOLD(1'b0),
.DHOLD(1'b0),
.OHOLDTOP(1'b0),
.OHOLDBOT(1'b0),
.OLOADTOP(1'b0),
.OLOADBOT(1'b0),
.ADDSUBTOP(1'b0),
.ADDSUBBOT(1'b0),
.CO(),
.CI(1'b0),
.O(dsp_out)
);
//16x16 => 32 unsigned pipelined multiply
defparam i_sbmac16. B_SIGNED = 1'b0;
defparam i_sbmac16. A_SIGNED = 1'b0;
defparam i_sbmac16. MODE_8x8 = 1'b0;
defparam i_sbmac16. BOTADDSUB_CARRYSELECT = 2'b00;
defparam i_sbmac16. BOTADDSUB_UPPERINPUT = 1'b0;
defparam i_sbmac16. BOTADDSUB_LOWERINPUT = 2'b00;
defparam i_sbmac16. BOTOUTPUT_SELECT = 2'b11;
defparam i_sbmac16. TOPADDSUB_CARRYSELECT = 2'b00;
defparam i_sbmac16. TOPADDSUB_UPPERINPUT = 1'b0;
defparam i_sbmac16. TOPADDSUB_LOWERINPUT = 2'b00;
defparam i_sbmac16. TOPOUTPUT_SELECT = 2'b11;
defparam i_sbmac16. PIPELINE_16x16_MULT_REG2 = 1'b1;
defparam i_sbmac16. PIPELINE_16x16_MULT_REG1 = 1'b1;
defparam i_sbmac16. BOT_8x8_MULT_REG = 1'b1;
defparam i_sbmac16. TOP_8x8_MULT_REG = 1'b1;
defparam i_sbmac16. D_REG = 1'b0;
defparam i_sbmac16. B_REG = 1'b1;
defparam i_sbmac16. A_REG = 1'b1;
defparam i_sbmac16. C_REG = 1'b0;
assign LED1 = (dsp_out == RES) ? 1'b1 : 1'b0;
assign LED2 = 1'b0;
endmodule
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