mux_rab.tdf

来自「AV视频信号输入后」· TDF 代码 · 共 62 行

--lpm_mux CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEVICE_FAMILY="Cyclone" LPM_SIZE=2 LPM_WIDTH=4 LPM_WIDTHS=1 data result sel
--VERSION_BEGIN 5.0 cbx_lpm_mux 2004:12:13:14:16:38:SJ cbx_mgl 2005:05:19:13:51:58:SJ  VERSION_END


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--  functions, and any output files any of the foregoing 
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--  to the terms and conditions of the Altera Program License 
--  Subscription Agreement, Altera MegaCore Function License 
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--  without limitation, that your use is for the sole purpose of 
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--synthesis_resources = lut 4 
SUBDESIGN mux_rab
( 
	data[7..0]	:	input;
	result[3..0]	:	output;
	sel[0..0]	:	input;
) 
VARIABLE 
	result_node[3..0]	: WIRE;
	sel_node[0..0]	: WIRE;
	w_data108w[1..0]	: WIRE;
	w_data120w[1..0]	: WIRE;
	w_data82w[1..0]	: WIRE;
	w_data96w[1..0]	: WIRE;
	w_result103w	: WIRE;
	w_result109w	: WIRE;
	w_result115w	: WIRE;
	w_result121w	: WIRE;
	w_result127w	: WIRE;
	w_result83w	: WIRE;
	w_result89w	: WIRE;
	w_result97w	: WIRE;

BEGIN 
	result[] = result_node[];
	result_node[] = ( w_result121w, w_result109w, w_result97w, w_result83w);
	sel_node[] = ( sel[0..0]);
	w_data108w[] = ( data[6..6], data[2..2]);
	w_data120w[] = ( data[7..7], data[3..3]);
	w_data82w[] = ( data[4..4], data[0..0]);
	w_data96w[] = ( data[5..5], data[1..1]);
	w_result103w = ((sel_node[] & w_data96w[1..1]) # ((! sel_node[]) & w_data96w[0..0]));
	w_result109w = w_result115w;
	w_result115w = ((sel_node[] & w_data108w[1..1]) # ((! sel_node[]) & w_data108w[0..0]));
	w_result121w = w_result127w;
	w_result127w = ((sel_node[] & w_data120w[1..1]) # ((! sel_node[]) & w_data120w[0..0]));
	w_result83w = w_result89w;
	w_result89w = ((sel_node[] & w_data82w[1..1]) # ((! sel_node[]) & w_data82w[0..0]));
	w_result97w = w_result103w;
END;
--VALID FILE