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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
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<item>
            <title>[MC-11189] Comparator clock output doesn&apos;t ever turn off</title>
                <link>https://bugs.mojang.com/browse/MC-11189</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;Droppers and dispensers only react to rapid one-tick pulses if the signal strength is below a certain threshold (or the redstone wire length is above one, depending on how you word it).&lt;/p&gt;

&lt;p&gt;This video I recorded shows the issue more clearly, in addition to the screenshot.&lt;br/&gt;
&lt;a href=&quot;http://www.youtube.com/watch?v=RxOUAR8Q5V8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=RxOUAR8Q5V8&lt;/a&gt;&lt;/p&gt;</description>
                <environment>OS: Windows 7 Home Premium 64-bit&lt;br/&gt;
CPU: Intel Core 2 Quad Q8400&lt;br/&gt;
RAM: 4GB&lt;br/&gt;
GPU: Radeon HD 5770&lt;br/&gt;
(VRAM: 1GB)&lt;br/&gt;
Java: 1.7.0_17 (Java 7, Update 17)</environment>
        <key id="25298">MC-11189</key>
            <summary>Comparator clock output doesn&apos;t ever turn off</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="6">Works As Intended</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="rydian">George Gates</reporter>
                        <labels>
                            <label>dispenser</label>
                            <label>dropper</label>
                            <label>redstone</label>
                            <label>redstone-comparator</label>
                    </labels>
                <created>Thu, 7 Mar 2013 00:28:20 +0100</created>
                <updated>Mon, 27 Mar 2017 21:11:43 +0200</updated>
                            <resolved>Sat, 16 Mar 2013 18:57:02 +0100</resolved>
                                    <version>Snapshot 13w10b</version>
                    <version>Minecraft 1.5</version>
                                                                        <votes>5</votes>
                                    <watches>5</watches>
                                                                            <comments>
                            <comment id="54228" author="daanboer95" created="Sat, 16 Mar 2013 21:46:31 +0100"  >&lt;p&gt;Thanks, as you explain it it&apos;s very easy to understand &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/tongue.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="54203" author="rydian" created="Sat, 16 Mar 2013 20:36:18 +0100"  >&lt;p&gt;Looks like you&apos;re right.  My initial tests using comparators as fast clocks (attached screenshot &quot;othertests&quot;) had the pistons placed slightly differently.&lt;/p&gt;</comment>
                            <comment id="54158" author="bljat" created="Sat, 16 Mar 2013 18:57:04 +0100"  >&lt;p&gt;Now that I think of it, that works as intended, let&apos;s see how this comparator clock works: 1. Comparator is in subtraction mode.&lt;br/&gt;
2. You provide a signal from the back, comparator outputs strenght of 15 in the front. This loops to the side where the signal is 13. Comparator is in the subtraction mode: signal A - signal B. In this case signal A is still 15 but B is 13. So now the output of the Comparator is &lt;b&gt;2&lt;/b&gt;. That&apos;s why powered mechanisms won&apos;t react because the signal does not shut off completely but goes down to 2.&lt;/p&gt;</comment>
                            <comment id="51130" author="dude" created="Fri, 8 Mar 2013 22:08:22 +0100"  >&lt;p&gt;Yes, I reproduced it and it is indeed a bug.&lt;/p&gt;</comment>
                            <comment id="50575" author="banana478" created="Thu, 7 Mar 2013 00:40:50 +0100"  >&lt;p&gt;Also confirmed. With a stronger signal, it shoots once and then stops.&lt;/p&gt;</comment>
                            <comment id="50570" author="bljat" created="Thu, 7 Mar 2013 00:34:57 +0100"  >&lt;p&gt;Confirmed and applies to all powered mechanisms like pistons, repeaters, noteblocks...&lt;/p&gt;</comment>
                            <comment id="50565" author="rydian" created="Thu, 7 Mar 2013 00:29:20 +0100"  >&lt;p&gt;Here&apos;s a quick overview screenshot.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="22936">MC-9349</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="25476">MC-11348</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="25639">MC-11494</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="25657">MC-11512</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="26846">MC-12109</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="26946">MC-12203</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="28171">MC-13213</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="29432">MC-14230</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="45230">MC-25797</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="56764">MC-35046</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="69492">MC-44536</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="70979">MC-45431</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="71221">MC-45666</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="75315">MC-49543</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="76639">MC-50761</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="76784">MC-50893</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="76799">MC-50906</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="77815">MC-51823</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="82100">MC-55635</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="82653">MC-56133</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="82809">MC-56265</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="82848">MC-56298</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="85774">MC-58586</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="94260">MC-66739</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="98717">MC-71010</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="103406">MC-75270</issuekey>
        </issuelink>
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                <attachments>
                            <attachment id="23712" name="Design Comparison.jpg" size="591792" author="rydian" created="Thu, 7 Mar 2013 00:29:20 +0100"/>
                            <attachment id="23711" name="crash-2013-03-06_18.12.47-client.txt" size="5297" author="rydian" created="Thu, 7 Mar 2013 00:28:20 +0100"/>
                            <attachment id="25205" name="othertests.jpg" size="156507" author="rydian" created="Sat, 16 Mar 2013 20:36:18 +0100"/>
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