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			21 lines
		
	
	
	
		
			360 B
		
	
	
	
		
			Verilog
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
	
		
			360 B
		
	
	
	
		
			Verilog
		
	
	
	
	
	
| module latchp ( input d, clk, en, output reg q );
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| 	always @*
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| 		if ( en )
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| 			q <= d;
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| endmodule
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| 
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| module latchn ( input d, clk, en, output reg q );
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| 	always @*
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| 		if ( !en )
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| 			q <= d;
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| endmodule
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| 
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| module latchsr ( input d, clk, en, clr, pre, output reg q );
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| 	always @*
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| 		if ( clr )
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| 			q <= 1'b0;
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| 		else if ( pre )
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| 			q <= 1'b1;
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| 		else if ( en )
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| 			q <= d;
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| endmodule
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