20 lines
496 B
Coq
20 lines
496 B
Coq
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module dpram #(
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parameter aw=8,
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parameter dw=8
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) (input clka, clkb, wena,
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input [aw-1:0] addra, addrb,
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input [dw-1:0] dina,
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output [dw-1:0] doutb
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);
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// minimalist dual-port RAM model, hope most tools can synthesize it
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localparam sz=(32'b1<<aw)-1;
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reg [dw-1:0] mem[sz:0];
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reg [aw-1:0] alb=0;
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(* ivl_synthesis_on *)
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always @(posedge clka) if (wena) mem[addra] <= dina;
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always @(posedge clkb) alb <= addrb;
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assign doutb = mem[alb];
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(* ivl_synthesis_off *)
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initial $display("PASSED");
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endmodule
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