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// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2008 by Lane Brooks
module top (input A, input OE, output X, output Y, output Z);
pullup p1(Z);
assign Z = OE ? A : 1'bz;
pulldown p2(Y);
assign Y = OE ? A : 1'bz;
pass pass(.A(A), .OE(OE), .X(X));
pullup_module p(X);
endmodule
module pass (input A, input OE, inout X);
io io(.A(A), .OE(OE), .X(X));
endmodule
module io (input A, input OE, inout X);
assign X = (OE) ? A : 1'bz;
endmodule
module pullup_module (output X);
pullup p1(X);
endmodule
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