User:Carsten Milkau/D-Latch - Revision history

Carsten Milkau: Carsten Milkau moved page Carsten Milkau/D-Latch to User:Carsten Milkau/D-Latch: This was supposed to be a user page.

2018-07-18T22:07:47Z

Carsten Milkau moved page Carsten Milkau/D-Latch to User:Carsten Milkau/D-Latch: This was supposed to be a user page.

← Older revision	Revision as of 22:07, 18 July 2018
(No difference)

Carsten Milkau: enabled -> enable

2018-07-18T21:50:25Z

enabled -> enable

← Older revision		Revision as of 21:50, 18 July 2018
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	!colspan="3"\|'''inputs'''\|\|'''outputs'''		!colspan="3"\|'''inputs'''\|\|'''outputs'''
	\|-		\|-
	!~~enabled~~\|\|data\|\|previous output\|\|output		!enable\|\|data\|\|previous output\|\|output
	\|-		\|-
	\|0\|\|''x''\|\|''y''\|\|''y''		\|0\|\|''x''\|\|''y''\|\|''y''
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	=== Connectors ===		=== Connectors ===

	* ~~Enabled~~: if 1, store ''data'', else do nothing.		* enable: if 1, store ''data'', else do nothing.
	* ~~Data~~: input		* data: input
	* ~~Output~~: stored value		* output: stored value

	== Relation to Multiplexer (Logic Select Unit) ==		== Relation to Multiplexer (Logic Select Unit) ==
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	<ol>		<ol>
	<li>a Logic Select Unit determines whether to store the last output or the "data" input using the "~~enabled~~" input. i.e.		<li>a Logic Select Unit determines whether to store the last output or the "data" input using the "enable" input. i.e.
	<pre> if ~~enabled~~		<pre> if enable
	then store = data		then store = data
	else store = output</pre></li>		else store = output</pre></li>
Line 46:		Line 46:
	! Unit name \|\| Unit type \|\| Connector / Setting \|\| Source / Value		! Unit name \|\| Unit type \|\| Connector / Setting \|\| Source / Value
	\|-		\|-
	\| select 1 \|\| Logic Select Unit \|\| select \|\| '''~~enabled~~''' (input)		\| select 1 \|\| Logic Select Unit \|\| select \|\| '''enable''' (input)
	\|-		\|-
	\| \|\| \|\| 0 (input 1) \|\| reader 1		\| \|\| \|\| 0 (input 1) \|\| reader 1

Carsten Milkau: Restructuring

2018-07-18T21:45:16Z

Restructuring

← Older revision		Revision as of 21:45, 18 July 2018
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	~~== D~~-latch ==		A d-latch is a circuit that stores the last value seen at its "data" input while its "enable" input was on.

	~~A d-latch is a circuit that stores the last value seen at its "data" input while its "enable" input was on.~~		== Definition ==

	{\| class="wikitable"		{\| class="wikitable"
Line 14:		Line 14:
	\|1\|\|''x''\|\|''y''\|\|''x''		\|1\|\|''x''\|\|''y''\|\|''x''
	\|}		\|}

	In theory, a single [[Kit_(Logic_Processor)#Logic_Select_Unit\|Logic Select Unit]] can do this (selector input = enable, input 1 = output, input 2 = data, output = output). In practice, this is not possible as the game does not allow it to have its own output as input. However, several constructions using two or more circuits are possible.

	=== Connectors ===		=== Connectors ===
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	* Output: stored value		* Output: stored value

	=== Using Logic Select Unit and Logic Reader ===		== Relation to Multiplexer (Logic Select Unit) ==

			In theory, a single multiplexer ([[Kit_(Logic_Processor)#Logic_Select_Unit\|Logic Select Unit]]) can do this (selector input = enable, input 1 = output, input 2 = data, output = output). In practice, this is not possible as the game does not allow it to have its own output as input. However, several constructions using two or more circuits are possible.

			== Implementation Using Logic Select Unit and Logic Reader ==

	[[File:D-latch.png\|thumb\|D-latch using select unit and reader]]		[[File:D-latch.png\|thumb\|D-latch using select unit and reader]]

Carsten Milkau: /* Using Logic Select Unit and Logic Reader */

2018-07-18T18:11:49Z

Using Logic Select Unit and Logic Reader

← Older revision		Revision as of 18:11, 18 July 2018
Line 30:		Line 30:

	<ol>		<ol>
	<li>a ~~select unit~~ determines whether to store the last output or the "data" input using the "enabled" input. i.e.		<li>a Logic Select Unit determines whether to store the last output or the "data" input using the "enabled" input. i.e.
	<pre> if enabled		<pre> if enabled
	then store = data		then store = data
	else store = output</pre></li>		else store = output</pre></li>
	<li>a [[Kit_(Logic_I/O)#Logic_Reader\|~~logic reader~~]] mirrors the value to be stored and feeds it back into the select unit so it can circulate (effectively being stored). This would be obsolete if the select unit could read its own output.		<li>a [[Kit_(Logic_I/O)#Logic_Reader\|Logic Reader]] mirrors the value to be stored and feeds it back into the select unit so it can circulate (effectively being stored). This would be obsolete if the select unit could read its own output.
	<pre> output = store</pre></li>		<pre> output = store</pre></li>
	</ol>		</ol>

Carsten Milkau: /* D-latch */

2018-07-18T18:10:49Z

D-latch

← Older revision		Revision as of 18:10, 18 July 2018
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	!enabled\|\|data\|\|previous output\|\|output		!enabled\|\|data\|\|previous output\|\|output
	\|-		\|-
	\|0\|\|x\|\|y\|\|y		\|0\|\|''x''\|\|''y''\|\|''y''
	\|-		\|-
	\|1\|\|x\|\|y\|\|x		\|1\|\|''x''\|\|''y''\|\|''x''
	\|}		\|}

Carsten Milkau: /* D-latch */

2018-07-18T18:09:11Z

D-latch

← Older revision		Revision as of 18:09, 18 July 2018
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	A d-latch is a circuit that stores the last value seen at its "data" input while its "enable" input was on.		A d-latch is a circuit that stores the last value seen at its "data" input while its "enable" input was on.

	{\|		{\| class="wikitable"
	\|enabled\|\|data\|\|previous output\|\|output		\|+ value table
			\|-
			!colspan="3"\|'''inputs'''\|\|'''outputs'''
			\|-
			!enabled\|\|data\|\|previous output\|\|output
	\|-		\|-
	\|0\|\|x\|\|y\|\|y		\|0\|\|x\|\|y\|\|y

Carsten Milkau: /* D-latch */

2018-07-18T18:04:19Z

D-latch

← Older revision		Revision as of 18:04, 18 July 2018
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	\|}		\|}

	In theory, a single [[Kit_(Logic_Processor)#Logic_Select_Unit\|~~select unit~~]] can do this (selector input = enable, input 1 = output, input 2 = data, output = output). In practice, this is not possible as the game does not allow it to have its own output as input. However, several constructions using two or more circuits are possible.		In theory, a single [[Kit_(Logic_Processor)#Logic_Select_Unit\|Logic Select Unit]] can do this (selector input = enable, input 1 = output, input 2 = data, output = output). In practice, this is not possible as the game does not allow it to have its own output as input. However, several constructions using two or more circuits are possible.

	=== Connectors ===		=== Connectors ===
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	* Output: stored value		* Output: stored value

	=== Using Select Unit and Logic Reader ===		=== Using Logic Select Unit and Logic Reader ===

	[[File:D-latch.png\|thumb\|D-latch using select unit and reader]]		[[File:D-latch.png\|thumb\|D-latch using select unit and reader]]

Carsten Milkau: /* Using Select Unit and Logic Reader */

2018-07-18T18:00:09Z

Using Select Unit and Logic Reader

← Older revision		Revision as of 18:00, 18 July 2018
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	</ol>		</ol>

	{\|
			{\| class="wikitable"
	\|+ Circuit setup		\|+ Circuit setup
	\|-		\|-
	! Unit name \|\| Unit type \|\| Connector / Setting \|\| Source / Value		! Unit name \|\| Unit type \|\| Connector / Setting \|\| Source / Value
	\|-		\|-
	\| select 1 \|\| Select Unit \|\| ~~selector input~~ \|\| '''enabled''' (input)		\| select 1 \|\| Logic Select Unit \|\| select \|\| '''enabled''' (input)
	\|-		\|-
	\| \|\| \|\| 0 (input 1) \|\| reader 1		\| \|\| \|\| 0 (input 1) \|\| reader 1

Carsten Milkau: /* Using Select Unit and Logic Reader */

2018-07-18T17:54:26Z

Using Select Unit and Logic Reader

← Older revision		Revision as of 17:54, 18 July 2018
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	\| \|\| \|\| var \|\| setting		\| \|\| \|\| var \|\| setting
	\|-		\|-
	\| \|\| \|\| out \|\| '''~~stored~~''' (output)		\| \|\| \|\| out \|\| '''output''' (output)
	\|}		\|}

Carsten Milkau: /* Using Select Unit and Logic Reader */

2018-07-18T17:53:32Z

Using Select Unit and Logic Reader

@@ Line 28: / Line 28: @@
 <li>a select unit determines whether to store the last output or the "data" input using the "enabled" input. i.e.
 <pre>  if enabled
-   then stored = data
+   then store = data
-   else stored = output</pre></li>
+   else store = output</pre></li>
 <li>a [[Kit_(Logic_I/O)#Logic_Reader|logic reader]] mirrors the value to be stored and feeds it back into the select unit so it can circulate (effectively being stored). This would be obsolete if the select unit could read its own output.
-<pre>  output = stored</pre></li>
+<pre>  output = store</pre></li>
 </ol>