module modexpng_sdp_36k_x32_x16_wrapper_generic ( clk, clk_bus, ena, wea, addra, dina, enb, addrb, doutb ); // // Headers // `include "modexpng_parameters.vh" // // Ports // input clk; input clk_bus; input ena; input wea; input [BANK_ADDR_W + OP_ADDR_W -1:0] addra; input [ WORD_W -1:0] dina; input enb; input [BANK_ADDR_W + BUS_OP_ADDR_W -1:0] addrb; output [ BUS_DATA_W -1:0] doutb; // // Memory // reg [BUS_DATA_W -1:0] mem[0:2**(BANK_ADDR_W+BUS_OP_ADDR_W)-1]; // // Write Port // wire [BANK_ADDR_W + BUS_OP_ADDR_W -2:0] addra_msb = addra[BANK_ADDR_W + BUS_OP_ADDR_W -1:1]; wire addra_lsb = addra[0]; always @(posedge clk) // if (ena && wea) begin if (addra_lsb) mem[addra_msb][BUS_DATA_W-1:WORD_W] <= dina; else mem[addra_msb][ WORD_W-1: 0] <= dina; end // // Read Port // reg [BUS_DATA_W -1:0] doutb_reg; assign doutb = doutb_reg; always @(posedge clk_bus) // if (enb) doutb_reg <= mem[addrb]; endmodule