20 lines
588 B
Coq
20 lines
588 B
Coq
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/**
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* The HACK computer, including CPU, ROM, RAM and the generator for
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* reset and clk (25MHz) signal. For approx. 20us HACK CPU resets.
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* From this point onward the user is at the mercy of the software.
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* In particular, depending on the program's code, the LED may show
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* some output and the user may be able to interact with the computer
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* via the BUT.
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*/
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`default_nettype none
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module HACK(
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input CLK, // external clock 100 MHz
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input [1:0] BUT, // user button (0 if pressed, 1 if released)
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output [1:0] LED // leds (0 off, 1 on)
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);
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// Put your code here:
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endmodule
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