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module ram_2port
#(parameter DWIDTH=32,
parameter AWIDTH=9)
(input clka,
input ena,
input wea,
input [AWIDTH-1:0] addra,
input [DWIDTH-1:0] dia,
output reg [DWIDTH-1:0] doa,
input clkb,
input enb,
input web,
input [AWIDTH-1:0] addrb,
input [DWIDTH-1:0] dib,
output reg [DWIDTH-1:0] dob);
reg [DWIDTH-1:0] ram [(1<<AWIDTH)-1:0];
integer i;
initial
for(i=0;i<(1<<AWIDTH);i=i+1)
ram[i] <= {AWIDTH{1'b0}};
always @(posedge clka) begin
if (ena)
begin
if (wea)
ram[addra] <= dia;
doa <= ram[addra];
end
end
always @(posedge clkb) begin
if (enb)
begin
if (web)
ram[addrb] <= dib;
dob <= ram[addrb];
end
end
endmodule // ram_2port
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