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		<title><![CDATA[atari.area forum - ym 2149]]></title>
		<link>https://www.atari.org.pl/forum/viewtopic.php?id=17308</link>
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		<description><![CDATA[Najświeższe odpowiedzi w ym 2149.]]></description>
		<lastBuildDate>Sat, 20 Feb 2021 10:04:02 +0000</lastBuildDate>
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			<title><![CDATA[Odp: ym 2149]]></title>
			<link>https://www.atari.org.pl/forum/viewtopic.php?pid=273487#p273487</link>
			<description><![CDATA[<p>czyli odpowiedz na punkt 3 - tak, wplywa. dobrze, jedno sie wyjasnilo :-)</p>]]></description>
			<author><![CDATA[null@example.com (xxl)]]></author>
			<pubDate>Sat, 20 Feb 2021 10:04:02 +0000</pubDate>
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			<title><![CDATA[Odp: ym 2149]]></title>
			<link>https://www.atari.org.pl/forum/viewtopic.php?pid=273486#p273486</link>
			<description><![CDATA[<p><em>&quot;Sync-Buzzer uses an external CPU interrupts to write values in the Envelope shape register. (YM2149 register 13). As you probably know, writing in r13 set the new shape waveform AND reset the envelope ! So you can produce some very nice sound effect.&quot;</em><br /><a href="http://leonard.oxg.free.fr/ymformat.html">http://leonard.oxg.free.fr/ymformat.html</a></p><p>i tutaj jeszcze o tym samym rejestrze:<br /><em>&quot;The writing to register RD will reset the envelope frequency clock&quot;</em><br /><a href="https://www.atari-shrine.co.uk/hardware/articles/Yamaha%20YM2149.html">https://www.atari-shrine.co.uk/hardware … M2149.html</a><br />Poza tym jest tam dobrze opisane programowanie YM2149.</p>]]></description>
			<author><![CDATA[null@example.com (Cyprian)]]></author>
			<pubDate>Sat, 20 Feb 2021 09:58:07 +0000</pubDate>
			<guid>https://www.atari.org.pl/forum/viewtopic.php?pid=273486#p273486</guid>
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			<title><![CDATA[ym 2149]]></title>
			<link>https://www.atari.org.pl/forum/viewtopic.php?pid=273474#p273474</link>
			<description><![CDATA[<p>mam pytania:</p><p>- kolejnosc zapisu rejestrow - jaka jest najlepsza - moze dowolna?</p><p>- czy rejestr ENVELOPE SHAPE/CYCLE CONTROL (Register R13) gdzie uzywane sa 4 mlodsze bity, 4 starsze bity musza byc 0, 1, czy moga byc dowolne i nie wplynie to na dzialanie ukladu</p><p>- jesli podczas trwania dzwieku bede zapisywal rejestr ENVELOPE SHAPE/CYCLE CONTROL (Register R13) ta sama wartoscia to wplynie to na generowany dzwiek ?</p>]]></description>
			<author><![CDATA[null@example.com (xxl)]]></author>
			<pubDate>Fri, 19 Feb 2021 23:15:19 +0000</pubDate>
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