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[/] [or1k/] [trunk/] [mp3/] [lib/] [xilinx/] [unisims/] [RAMB4_S8.v] - Rev 266
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// $Header: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/mp3/lib/xilinx/unisims/RAMB4_S8.v,v 1.1.1.1 2001-11-04 19:00:00 lampret Exp $ /* FUNCTION : 4x8 Block RAM with synchronous write capability */ `timescale 100 ps / 10 ps `celldefine module RAMB4_S8 (DO, ADDR, DI, EN, CLK, WE, RST); parameter cds_action = "ignore"; parameter INIT_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000; output [7:0] DO; reg d0_out, d1_out, d2_out, d3_out, d4_out, d5_out, d6_out, d7_out; input [8:0] ADDR; input [7:0] DI; input EN, CLK, WE, RST; reg [4095:0] mem; reg [8:0] count; wire [8:0] addr_int; wire [7:0] di_int; wire en_int, clk_int, we_int, rst_int; tri0 GSR = glbl.GSR; always @(GSR) if (GSR) begin assign d0_out = 0; assign d1_out = 0; assign d2_out = 0; assign d3_out = 0; assign d4_out = 0; assign d5_out = 0; assign d6_out = 0; assign d7_out = 0; end else begin deassign d0_out; deassign d1_out; deassign d2_out; deassign d3_out; deassign d4_out; deassign d5_out; deassign d6_out; deassign d7_out; end buf b_do_out0 (DO[0], d0_out); buf b_do_out1 (DO[1], d1_out); buf b_do_out2 (DO[2], d2_out); buf b_do_out3 (DO[3], d3_out); buf b_do_out4 (DO[4], d4_out); buf b_do_out5 (DO[5], d5_out); buf b_do_out6 (DO[6], d6_out); buf b_do_out7 (DO[7], d7_out); buf b_addr_0 (addr_int[0], ADDR[0]); buf b_addr_1 (addr_int[1], ADDR[1]); buf b_addr_2 (addr_int[2], ADDR[2]); buf b_addr_3 (addr_int[3], ADDR[3]); buf b_addr_4 (addr_int[4], ADDR[4]); buf b_addr_5 (addr_int[5], ADDR[5]); buf b_addr_6 (addr_int[6], ADDR[6]); buf b_addr_7 (addr_int[7], ADDR[7]); buf b_addr_8 (addr_int[8], ADDR[8]); buf b_di_0 (di_int[0], DI[0]); buf b_di_1 (di_int[1], DI[1]); buf b_di_2 (di_int[2], DI[2]); buf b_di_3 (di_int[3], DI[3]); buf b_di_4 (di_int[4], DI[4]); buf b_di_5 (di_int[5], DI[5]); buf b_di_6 (di_int[6], DI[6]); buf b_di_7 (di_int[7], DI[7]); buf b_en (en_int, EN); buf b_clk (clk_int, CLK); buf b_we (we_int, WE); buf b_rst (rst_int, RST); initial begin for (count = 0; count < 256; count = count + 1) begin mem[count] <= INIT_00[count]; mem[256 * 1 + count] <= INIT_01[count]; mem[256 * 2 + count] <= INIT_02[count]; mem[256 * 3 + count] <= INIT_03[count]; mem[256 * 4 + count] <= INIT_04[count]; mem[256 * 5 + count] <= INIT_05[count]; mem[256 * 6 + count] <= INIT_06[count]; mem[256 * 7 + count] <= INIT_07[count]; mem[256 * 8 + count] <= INIT_08[count]; mem[256 * 9 + count] <= INIT_09[count]; mem[256 * 10 + count] <= INIT_0A[count]; mem[256 * 11 + count] <= INIT_0B[count]; mem[256 * 12 + count] <= INIT_0C[count]; mem[256 * 13 + count] <= INIT_0D[count]; mem[256 * 14 + count] <= INIT_0E[count]; mem[256 * 15 + count] <= INIT_0F[count]; end end always @(posedge clk_int) begin if (en_int == 1'b1) if (rst_int == 1'b1) begin d0_out <= 0; d1_out <= 0; d2_out <= 0; d3_out <= 0; d4_out <= 0; d5_out <= 0; d6_out <= 0; d7_out <= 0; end else if (we_int == 1'b1) begin d0_out <= di_int[0]; d1_out <= di_int[1]; d2_out <= di_int[2]; d3_out <= di_int[3]; d4_out <= di_int[4]; d5_out <= di_int[5]; d6_out <= di_int[6]; d7_out <= di_int[7]; end else begin d0_out <= mem[addr_int * 8]; d1_out <= mem[addr_int * 8 + 1]; d2_out <= mem[addr_int * 8 + 2]; d3_out <= mem[addr_int * 8 + 3]; d4_out <= mem[addr_int * 8 + 4]; d5_out <= mem[addr_int * 8 + 5]; d6_out <= mem[addr_int * 8 + 6]; d7_out <= mem[addr_int * 8 + 7]; end end always @(posedge clk_int) begin if (en_int == 1'b1 && we_int == 1'b1) begin mem[addr_int * 8] <= di_int[0]; mem[addr_int * 8 + 1] <= di_int[1]; mem[addr_int * 8 + 2] <= di_int[2]; mem[addr_int * 8 + 3] <= di_int[3]; mem[addr_int * 8 + 4] <= di_int[4]; mem[addr_int * 8 + 5] <= di_int[5]; mem[addr_int * 8 + 6] <= di_int[6]; mem[addr_int * 8 + 7] <= di_int[7]; end end specify (CLK => DO) = (1, 1); endspecify endmodule `endcelldefine
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