//?Copyright?2007?Altera?Corporation.?All?rights?reserved.??
//?Altera?products?are?protected?under?numerous?U.S.?and?foreign?patents?
//?maskwork?rights?copyrights?and?other?intellectual?property?laws.??
//
//?This?reference?design?file?and?your?use?thereof?is?subject?to?and?governed
//?by?the?terms?and?conditions?of?the?applicable?Altera?Reference?Design?
//?License?Agreement?（either?as?signed?by?you?or?found?at?www.altera.com）.??By
//?using?this?reference?design?file?you?indicate?your?acceptance?of?such?terms
//?and?conditions?between?you?and?Altera?Corporation.??In?the?event?that?you?do
//?not?agree?with?such?terms?and?conditions?you?may?not?use?the?reference?
//?design?file?and?please?promptly?destroy?any?copies?you?have?made.
//
//?This?reference?design?file?is?being?provided?on?an?“as-is“?basis?and?as?an?
//?accommodation?and?therefore?all?warranties?representations?or?guarantees?of?
//?any?kind?（whether?express?implied?or?statutory）?including?without?
//?limitation?warranties?of?merchantability?non-infringement?or?fitness?for
//?a?particular?purpose?are?specifically?disclaimed.??By?making?this?reference
//?design?file?available?Altera?expressly?does?not?recommend?suggest?or?
//?require?that?this?reference?design?file?be?used?in?combination?with?any?
//?other?product?not?provided?by?Altera.
/////////////////////////////////////////////////////////////////////////////

//baeckler?-?11-14-2006

#include?

int?log2?（int?n）
{
	int?bits?=?0;
	while?（n）
	{
		n?>>=?1;
		bits++;
	}
	return?（bits）;
}

int?main?（void）
{
	unsigned?int?num_ins?=?6;
	unsigned?int?num_outs?=?log2（num_ins）;

	unsigned?int?num_cases?=?（1<	unsigned?int?n?=?0?k?=?0;
	unsigned?int?out_val?=?0;

	fprintf?（stdout“//baeckler?-?11-14-2006\n“）;
	fprintf?（stdout“//?priority?encoder\n“）;
	fprintf?（stdout“//???no?requests?-?output?=?0\n“）;
	fprintf?（stdout“//???request?bit?0?（highest?priority）?-?output?=?1\n“）;
	fprintf?（stdout“//???request?bit?%d?（lowest?priority）?-?output?=?%d\n“num_ins-1num_ins）;
	fprintf?（stdout“module?prio_encode?（reqsout）;\n“）;
	fprintf?（stdout“input?[%d:0]?reqs;\n“num_ins-1）;
	fprintf?（stdout“output?[%d:0]?out;\n“num_outs-1）;
	fprintf?（stdout“reg?[%d:0]?out;\n\n“num_outs-1）;

	fprintf?（stdout“????always?@（*）?begin\n“）;
	fprintf?（stdout“??????case（reqs）\n“）;
	
	fprintf?（stdout“????????//?0?is?special?no?reqs\n“）;
	fprintf?（stdout“????????%d‘d%d:?out?=?%d;\n\n“num_ins00）;		????
	
	for?（n=1;?n	{	
		out_val?=?1;
		k?=?n;
		while?（k?&&?!（k&1））
		{
			k?>>=1;
			out_val?+=?1;	
		}	
		fprintf?（stdout“????????%d‘d%d:?out?=?%d;\n“num_insnout_val）;		????
	}
	fprintf?（stdout“??????endcase\n“）;
	fprintf?（stdout“????end\n“）;
	fprintf?（stdout“endmodule\n“）;
	return?（0）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2009-07-30?16:37??cookbook\
?????目錄???????????0??2009-07-30?16:19??cookbook\arbitration\
?????文件????????1983??2009-01-05?20:50??cookbook\arbitration\arbiter.v
?????文件????????3196??2009-01-05?20:50??cookbook\arbitration\arbiter_tb.v
?????文件????????1581??2009-01-05?20:50??cookbook\arbitration\bitscan.v
?????文件????????2086??2009-01-05?20:50??cookbook\arbitration\bitscan_tb.v
?????文件????????1911??2009-01-05?20:50??cookbook\arbitration\log2.inc
?????文件????????2853??2009-01-05?20:50??cookbook\arbitration\prio_encode.cpp
?????文件????????3405??2009-01-05?20:50??cookbook\arbitration\prio_encode.v
?????文件????????5071??2009-03-24?19:41??cookbook\arbitration\tx_4channel_arbiter.v
?????文件????????7939??2009-03-24?19:41??cookbook\arbitration\tx_4channel_arbiter_tb.sv
?????目錄???????????0??2009-07-30?16:19??cookbook\arithmetic\
?????文件????????4219??2009-01-05?20:50??cookbook\arithmetic\adder_tree.v
?????文件????????4174??2009-01-05?20:50??cookbook\arithmetic\adder_tree_layer.v
?????文件????????3439??2009-01-05?20:50??cookbook\arithmetic\adder_tree_node.v
?????文件????????3009??2009-01-05?20:50??cookbook\arithmetic\adder_tree_tb.v
?????文件????????2572??2009-01-05?20:50??cookbook\arithmetic\addsub.v
?????文件????????5378??2009-01-05?20:50??cookbook\arithmetic\basic_adder.v
?????文件????????1763??2009-01-05?20:50??cookbook\arithmetic\compress_32.v
?????文件????????5728??2009-01-05?20:50??cookbook\arithmetic\cordic.v
?????文件????????4208??2009-01-05?20:50??cookbook\arithmetic\cordic_angle_table.cpp
?????文件????????4754??2009-01-05?20:50??cookbook\arithmetic\cordic_tb.v
?????文件????????5122??2009-01-05?20:50??cookbook\arithmetic\divider.v
?????文件????????3766??2009-01-05?20:50??cookbook\arithmetic\divider_tb.v
?????文件????????4094??2009-01-05?20:50??cookbook\arithmetic\double_addsub.v
?????文件????????2342??2009-01-05?20:50??cookbook\arithmetic\double_addsub_tb.v
?????文件????????1765??2009-01-05?20:50??cookbook\arithmetic\iter_addsub.v
?????文件????????4684??2009-01-05?20:50??cookbook\arithmetic\karatsuba_mult.v
?????文件????????2571??2009-01-05?20:50??cookbook\arithmetic\karatsuba_mult_tb.v
?????文件????????4809??2009-01-05?20:50??cookbook\arithmetic\lc_mult_signed.v
?????文件????????4288??2009-01-05?20:50??cookbook\arithmetic\lc_mult_signed_tb.v
............此處省略346個文件信息