2024-05-10 16:31:51 +00:00
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module lineram (
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input [35:0] din,
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input [8:0] addr_w,
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2024-05-19 05:15:53 +00:00
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output reg [35:0] dout,
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2024-05-10 16:31:51 +00:00
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input [8:0] addr_r,
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2024-04-29 06:16:36 +00:00
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input write_en,
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input read_clk,
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input write_clk
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);
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2024-09-03 16:15:59 +00:00
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// `ifdef YOSYS
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// // use the ECP5 primitive.
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// PDPW16KD #(.REGMODE("OUTREG")) ram (
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// .DI0 (din[0]),
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// .DI1 (din[1]),
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// .DI2 (din[2]),
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// .DI3 (din[3]),
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// .DI4 (din[4]),
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// .DI5 (din[5]),
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// .DI6 (din[6]),
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// .DI7 (din[7]),
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// .DI8 (din[8]),
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// .DI9 (din[9]),
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// .DI10(din[10]),
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// .DI11(din[11]),
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// .DI12(din[12]),
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// .DI13(din[13]),
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// .DI14(din[14]),
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// .DI15(din[15]),
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// .DI16(din[16]),
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// .DI17(din[17]),
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// .DI18(din[18]),
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// .DI19(din[19]),
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// .DI20(din[20]),
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// .DI21(din[21]),
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// .DI22(din[22]),
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// .DI23(din[23]),
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// .DI24(din[24]),
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// .DI25(din[25]),
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// .DI26(din[26]),
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// .DI27(din[27]),
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// .DI28(din[28]),
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// .DI29(din[29]),
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// .DI30(din[30]),
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// .DI31(din[31]),
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// .DI32(din[32]),
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// .DI33(din[33]),
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// .DI34(din[34]),
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// .DI35(din[35]),
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// .ADW0(addr_w[0]),
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// .ADW1(addr_w[1]),
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// .ADW2(addr_w[2]),
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// .ADW3(addr_w[3]),
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// .ADW4(addr_w[4]),
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// .ADW5(addr_w[5]),
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// .ADW6(addr_w[6]),
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// .ADW7(addr_w[7]),
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// .ADW8(addr_w[8]),
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// .DO0 (dout[0]),
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// .DO1 (dout[1]),
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// .DO2 (dout[2]),
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// .DO3 (dout[3]),
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// .DO4 (dout[4]),
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// .DO5 (dout[5]),
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// .DO6 (dout[6]),
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// .DO7 (dout[7]),
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// .DO8 (dout[8]),
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// .DO9 (dout[9]),
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// .DO10(dout[10]),
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// .DO11(dout[11]),
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// .DO12(dout[12]),
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// .DO13(dout[13]),
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// .DO14(dout[14]),
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// .DO15(dout[15]),
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// .DO16(dout[16]),
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// .DO17(dout[17]),
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// .DO18(dout[18]),
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// .DO19(dout[19]),
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// .DO20(dout[20]),
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// .DO21(dout[21]),
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// .DO22(dout[22]),
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// .DO23(dout[23]),
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// .DO24(dout[24]),
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// .DO25(dout[25]),
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// .DO26(dout[26]),
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// .DO27(dout[27]),
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// .DO28(dout[28]),
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// .DO29(dout[29]),
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// .DO30(dout[30]),
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// .DO31(dout[31]),
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// .DO32(dout[32]),
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// .DO33(dout[33]),
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// .DO34(dout[34]),
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// .DO35(dout[35]),
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// .ADR0(addr_r[0]),
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// .ADR1(addr_r[1]),
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// .ADR2(addr_r[2]),
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// .ADR3(addr_r[3]),
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// .ADR4(addr_r[4]),
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// .ADR5(addr_r[5]),
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// .ADR6(addr_r[6]),
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// .ADR7(addr_r[7]),
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// .ADR8(addr_r[8]),
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// .CER(1),
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// .CEW(1),
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// .CLKR(read_clk),
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// .CLKW(write_clk),
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// .CSW1(0),
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// .CSW2(0),
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// .CSR1(0),
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// .CSR2(0),
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// );
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// `else
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reg [35:0] ram [512]/*verilator public*/;
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2024-05-10 16:31:51 +00:00
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2024-05-01 21:14:32 +00:00
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`ifndef YOSYS
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2024-04-29 06:16:36 +00:00
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initial begin
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2024-09-03 16:15:59 +00:00
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for (integer i = 0; i < 512; i = i + 1) begin
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2024-04-29 06:16:36 +00:00
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ram[i] = 0;
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end
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end
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2024-05-01 21:14:32 +00:00
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`endif
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2024-04-29 06:16:36 +00:00
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always @(posedge write_clk) begin
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if (write_en) ram[addr_w] <= din;
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end
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always @(posedge read_clk) begin
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dout <= ram[addr_r];
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end
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2024-09-03 16:15:59 +00:00
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// `endif
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2024-04-29 06:16:36 +00:00
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endmodule
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