clear?all;
close?all;
clc;
index=linspace（02*pi2^10+1）;%由于linspace包括前后兩個點，加一用于出去2pi的那個點。
cosa=512+fix（（2^9-1）*cos（index）+0.5）;%求cos的值，（2^10-1）表示將輸出值定義為十位2進制數，fix時去尾求整數，加0.5用于進行四舍五入
plot（cosa）;
fid=fopen（‘E:\quartus_duty\dds_work\data.mif‘‘w+‘）;%生成MIF文件格式必須按照書上113頁的格式來做。
fprintf（fid‘WIDTH=10;\r\n‘）;%每個數值的大小即寬度。
fprintf（fid‘DEPTH=1024;\r\n‘）;%總共的數據個數即ROM的深度
fprintf（fid‘ADDRESS_RADIX=UNS;\r\n‘）;%UNS為無符號數
fprintf（fid‘DATA_RADIX=UNS;\r\n‘）;%DEC為十進制有符號數
fprintf（fid‘CONTENT?BEGIN?\r\n‘）;
for?i=1:1024;
????fprintf（fid‘?????%4d‘i-1）;
????fprintf（fid‘???:??‘）;
????fprintf（fid‘%4d‘cosa（i））;
????fprintf（fid‘;\r\n‘）;
end;
fprintf（fid‘end;\r\n‘）;
fclose（fid）;

????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????7586??2009-12-10?20:35??dds_work\adder1.asm.rpt

?????文件???????1961??2009-12-20?19:06??dds_work\adder1.bsf

?????文件?????????26??2009-12-10?20:40??dds_work\adder1.done

?????文件?????167338??2009-12-10?20:35??dds_work\adder1.fit.rpt

?????文件????????499??2009-12-10?20:35??dds_work\adder1.fit.smsg

?????文件????????592??2009-12-10?20:35??dds_work\adder1.fit.summary

?????文件???????5287??2009-12-10?20:35??dds_work\adder1.flow.rpt

?????文件??????20441??2009-12-10?20:34??dds_work\adder1.map.rpt

?????文件????????451??2009-12-10?20:34??dds_work\adder1.map.summary

?????文件??????58328??2009-12-10?20:35??dds_work\adder1.pin

?????文件????2097294??2009-12-10?20:35??dds_work\adder1.pof

?????文件???????2313??2009-12-10?21:06??dds_work\adder1.qsf

?????文件??????62109??2009-12-10?20:39??dds_work\adder1.sim.rpt

?????文件?????525330??2009-12-10?20:35??dds_work\adder1.sof

?????文件??????17699??2009-12-10?20:35??dds_work\adder1.tan.rpt

?????文件???????1405??2009-12-10?20:35??dds_work\adder1.tan.summary

?????文件????????742??2009-12-20?21:21??dds_work\adder1.vhd

?????文件????????782??2009-12-20?21:09??dds_work\adder1.vhd.bak

?????文件???????7937??2009-12-10?20:38??dds_work\adder1.vwf

?????文件???????7586??2009-12-10?21:09??dds_work\adder2.asm.rpt

?????文件???????1977??2009-12-21?19:22??dds_work\adder2.bsf

?????文件?????????26??2009-12-10?21:13??dds_work\adder2.done

?????文件?????177516??2009-12-10?21:08??dds_work\adder2.fit.rpt

?????文件????????499??2009-12-10?21:08??dds_work\adder2.fit.smsg

?????文件????????591??2009-12-10?21:08??dds_work\adder2.fit.summary

?????文件???????5287??2009-12-10?21:09??dds_work\adder2.flow.rpt

?????文件??????17616??2009-12-10?21:08??dds_work\adder2.map.rpt

?????文件????????452??2009-12-10?21:08??dds_work\adder2.map.summary

?????文件??????58328??2009-12-10?21:08??dds_work\adder2.pin

?????文件????2097294??2009-12-10?21:09??dds_work\adder2.pof

............此處省略526個文件信息