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[/] [mkjpeg/] [trunk/] [design/] [JFIFGen/] [HeaderRAM.v] - Rev 57

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module HeaderRam(d, waddr, raddr, we, clk, q);
output [7:0] q;
input [7:0] d;
input[9:0] raddr;
input[9:0] waddr;
input clk, we;
 
reg [9:0] read_addr;
reg[7:0] mem [1023:0] /* synthesis syn_ramstyle="block_ram" */;
 
initial $readmemh("../design/jfifgen/header.hex", mem);
 
assign q = mem[read_addr];
 
always @(posedge clk) begin
if (we)
mem[waddr] <= d;
read_addr <= raddr;
end
 
endmodule
 

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