Initial and probably final commitHEADmaster

1 files changed, 49 insertions, 0 deletions

diff --git a/1-d.v b/1-d.v
new file mode 100644
index 0000000..1c952dc
--- /dev/null
+++ b/1-d.v
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+module ram(data_in, address, clock, write_enable, data_out);
+	parameter DATA_WIDTH = 8;
+	parameter ADDR_WIDTH = 4;
+	input [DATA_WIDTH-1:0] data_in;
+	input [ADDR_WIDTH-1:0] address;
+	input clock, write_enable;
+	output [DATA_WIDTH-1:0] data_out;
+	reg [DATA_WIDTH-1:0] mem [0:(1 << ADDR_WIDTH)-1];
+	always @(posedge clock) begin
+		if (write_enable) mem[address] <= data_in;
+	end
+	assign data_out = mem[address];
+endmodule
+
+/*
+module test;
+	reg [7:0] in;
+	reg [3:0] addr;
+	reg clock, ddr;
+	wire [7:0] out;
+	ram r(in, addr, clock, ddr, out);
+	
+	always #1 clock = ~clock;
+
+	initial begin
+		$monitor(out);
+		clock = 0;
+		addr = 'hA;
+		in = 'h69;
+		ddr = 1;
+		#10 ddr = 0;
+		addr = 'hB;
+		in = 'hFF;
+		#10 ddr = 1;
+		#10 ddr=0;
+		addr = 'hC;
+		in = 'h01;
+		#10 ddr=1;
+		#10 ddr=0;
+		$display("0x9 to 0xD test");
+		#10 addr = 'h9;
+		#10 addr = 'hA;
+		#10 addr = 'hB;
+		#10 addr = 'hC;
+		#10 addr = 'hD;
+	end;
+endmodule
+*/
+