yosys/techlibs/xilinx/brams.v

module \$__XILINX_RAMB36_SDP72 (CLK2, CLK3, A1ADDR, A1DATA, B1ADDR, B1DATA, B1EN);
	parameter TRANSP2 = 1;
	parameter CLKPOL2 = 1;
	parameter CLKPOL3 = 1;

	input CLK2;
	input CLK3;

	input [8:0] A1ADDR;
	output [71:0] A1DATA;

	input [8:0] B1ADDR;
	input [71:0] B1DATA;
	input [7:0] B1EN;

	wire [15:0] A1ADDR_16 = A1ADDR;
	wire [15:0] B1ADDR_16 = B1ADDR;

	wire [7:0] DIP, DOP;
	wire [63:0] DI, DO;

	assign A1DATA = { DOP[7], DO[63:56], DOP[6], DO[55:48], DOP[5], DO[47:40], DOP[4], DO[39:32],
	                  DOP[3], DO[31:24], DOP[2], DO[23:16], DOP[1], DO[15: 8], DOP[0], DO[ 7: 0] };

	assign { DIP[7], DI[63:56], DIP[6], DI[55:48], DIP[5], DI[47:40], DIP[4], DI[39:32],
	         DIP[3], DI[31:24], DIP[2], DI[23:16], DIP[1], DI[15: 8], DIP[0], DI[ 7: 0] } = B1DATA;

	RAMB36E1 #(
		.RAM_MODE("SDP"),
		.READ_WIDTH_A(72),
		.WRITE_WIDTH_B(72),
		.WRITE_MODE_A(TRANSP2 ? "WRITE_FIRST" : "READ_FIRST"),
		.WRITE_MODE_B(TRANSP2 ? "WRITE_FIRST" : "READ_FIRST")
	) _TECHMAP_REPLACE_ (
		.DOBDO(DO[63:32]),
		.DOADO(DO[31:0]),
		.DOPBDOP(DOP[7:4]),
		.DOPADOP(DOP[3:0]),
		.DIBDI(DI[63:32]),
		.DIADI(DI[31:0]),
		.DIPBDIP(DIP[7:4]),
		.DIPADIP(DIP[3:0]),

		.ADDRARDADDR(A1ADDR_16),
		.CLKARDCLK(CLKPOL2 ? CLK2 : ~CLK2),
		.ENARDEN(|1),
		.REGCEAREGCE(|1),
		.RSTRAMARSTRAM(|0),
		.RSTREGARSTREG(|0),
		.WEA(4'b0),

		.ADDRBWRADDR(B1ADDR_16),
		.CLKBWRCLK(CLKPOL3 ? CLK3 : ~CLK3),
		.ENBWREN(|1),
		.REGCEB(|0),
		.RSTRAMB(|0),
		.RSTREGB(|0),
		.WEBWE(B1EN)
	);
endmodule