Difference between revisions of "Defender"

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__NOTOC__
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Released - 1981
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<!--        MAIN BANNER        -->
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{| style="background:#f9f9f9; width:280px; text-align:left; white-space:nowrap; color:#000;" |
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==Upright Cabinet==
−
<div style="background:#f9f9f9; font-size:162%; border:none; margin:0; padding:.1em; color:#000;">&nbsp;&nbsp;Antwiki provides a wealth of information on the world's ants.</div>
+
* '''Overall Dimensions/Weight
−
<div style="background:#f9f9f9; top:+0.2em; font-size:95%;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[[Special:AllPages|{{NUMBEROFARTICLES}}]] articles and [[Special:MediaStatistics|{{NUMBEROFFILES}}]] uploaded files by ant experts from around the world.</div>
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[[File:Williams Flyer.jpg|right|300px]]
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|}
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{| class="wikitable"
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<!--        RECENT EVENTS and FEATURED IMAGE        -->
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! style="text-align: center; font-weight:bold;" | Height
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{| style="width:100%; vertical-align:top; background:#f5fffa; border:1px solid #ddd;"
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! style="text-align: center; font-weight:bold;" | Width
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| style="width:50%; padding:2px;" | <h2 style="margin:3px; background:#cef2e0; font-family:inherit; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Recent Events {{SmallFont|[[Recent Events|Show All]]}}</h2>
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! style="text-align: center; font-weight:bold;" | Depth
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| style="width:50%; padding:2px;" | <h2 style="margin:3px; background:#cef2e0; font-family:inherit; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Featured Image {{SmallFont|[[Featured Images|Show All]]}}</h2>
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! style="text-align: center; font-weight:bold;" | Weight
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|-
 
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| style="vertical-align:top; color:#000; padding:2px 5px 5px;" |
 
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{{Recent Events}}
 
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| style="vertical-align:top; color:#000; padding:2px 5px 5px;" |
 
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{{Featured image}}
 
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|-
 
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|}
 
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<!--        I'M INTERESTED IN        -->
 
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{| style="width:100%; vertical-align:top; background:#f5faff; border:1px solid #ddcef2;"
 
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| style="padding:2px;" | <h2 style="margin:3px; background:#cedff2; font-family:inherit; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">I'm Interested In</h2>
 
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| style="color:#000; padding:2px 5px 5px;" |
 
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<gallery widths=180px>
 
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File:Diacamma australe casent0172073 profile 1.jpg|link=Species Accounts|<center>'''[[Species Accounts|Identification & Species Accounts]]'''</center>
 
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File:Life cycle 2.jpg|link=Life History|<center>'''[[Life History|Life History]]'''</center>
 
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File:Shattuck 14433-web, Iridomyrmex purpureus territory defense, Canberra.jpg|link=Behavior|<center>'''[[Behavior|Behavior]]'''</center>
 
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File:Formica Distribution.png|link=Distribution and Diversity|<center>'''[[Distribution and Diversity|Distribution & Diversity]]'''</center>
 
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File:Pseudoneoponera Shattuck 53468 Danum Valley Sabah-web.jpg|link=Life in an Ant Colony|<center>'''[[Life in an Ant Colony|Ant Societies]]'''</center>
 
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File:Ant head.jpg|link=Morphology and Terminology|<center>'''[[Morphology and Terminology|Morphology, Anatomy & Terminology]]'''</center>
 
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File:DNA Overview2 resize.png|link=Biochemistry, Genetics, Development and Reproduction|<center>'''[[Biochemistry, Genetics, Development and Reproduction|Biochemistry, Genetics & Evolution]]'''</center>
 
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File:Shattuck 34774-1, Iridomyrmex purpureus, near Bungendore, NSW-web.jpg|link=Ecology|<center>'''[[Ecology|Ecology]]'''</center>
 
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File:Sculpture ants.jpg|link=Human Culture and Ants|<center>'''[[Human Culture and Ants|Human Culture & Ants]]'''</center>
 
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File:Barry-Bolton-2009.jpg|link=World_Ant_Taxonomists|<center>'''[[World_Ant_Taxonomists|People & History of Myrmecology]]'''</center>
 
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File:Sphecomyrma freyi.jpg|link=Extinct Ants|<center>'''[[Extinct Ants|Extinct Ants]]'''</center>
 
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File:Cremastocheilus knochii.jpg|link=Myrmecophiles|<center>'''[[Myrmecophiles|Myrmecophiles]]'''</center>
 
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</gallery>
 
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|-
 
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|}
 
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<!--        STATISTICS and LINKS        -->
 
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{| style="width:100%; vertical-align:top; background:#faf5ff; border:1px solid #ddd;"
 
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| style="padding:2px;" | <h2 style="margin:3px; background:#ddcef2; font-family:inherit; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">[[Diversity by Taxonomic Group|How&nbsp;Many&nbsp;Ants?]]</h2>
 
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| style="padding:2px;" | <h2 style="margin:3px; background:#ddcef2; font-family:inherit; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Taxa&nbsp;Described</h2>
 
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| style="padding:2px;" | <h2 style="margin:3px; background:#ddcef2; font-family:inherit; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Most Viewed Pages</h2>
 
 
|-
 
|-
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| style="vertical-align:top; color:#000; padding:2px 5px 5px;" |
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| style="text-align: center;" | 72"
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&nbsp;&nbsp;&nbsp;[[:Category:Extant_subfamily|{{PAGESINCATEGORY:Extant_subfamily}}&nbsp;subfamilies]]<br />
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| style="text-align: center;" | 26"
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&nbsp;&nbsp;&nbsp;[[:Category:Extant_genus|{{PAGESINCATEGORY:Extant_genus}}&nbsp;genera&nbsp;and&nbsp;subgenera]]<br />
+
| style="text-align: center;" | 32.5" (32 1/2")
−
&nbsp;&nbsp;&nbsp;[[:Category:Extant_species|{{PAGESINCATEGORY:Extant_species}}&nbsp;species&nbsp;and&nbsp;subspecies]]<br />
+
| style="text-align: center;" | 265 lbs.
−
&nbsp;&nbsp;&nbsp;[[:Category:Extinct_subfamily|{{PAGESINCATEGORY:Extinct_subfamily}}&nbsp;fossil&nbsp;subfamilies]]<br />
 
−
&nbsp;&nbsp;&nbsp;[[:Category:Extinct_genus|{{PAGESINCATEGORY:Extinct_genus}}&nbsp;fossil&nbsp;genera]]<br />
 
−
&nbsp;&nbsp;&nbsp;[[:Category:Extinct_species|{{PAGESINCATEGORY:Extinct_species}}&nbsp;fossil&nbsp;species&nbsp;and&nbsp;subspecies]]
 
−
| style="vertical-align:top; color:#000; padding:2px 5px 5px;" |
 
−
&nbsp;&nbsp;&nbsp;[[Taxa Described in 2018|This&nbsp;Year]]<br />
 
−
&nbsp;&nbsp;&nbsp;[[Taxa Described in 2017|Last&nbsp;Year]]<br />
 
−
&nbsp;&nbsp;&nbsp;[[:Category:Taxa_Described_for_Year|All&nbsp;Years]]
 
−
| style="vertical-align:top; color:#000; padding:2px 5px 5px;" |
 
−
&nbsp;&nbsp;&nbsp;'''All Pages''': [[Brazil]], [[Australian ants]], [[Argentina]], [[Australia]], [[Panama]], [[Colombia]], [[Ants of the Navajo Reservation]], [[Ecuador]], [[Borneo]]<br />
 
−
&nbsp;&nbsp;&nbsp;'''Genera''': ''[[Aphaenogaster]]'', ''[[Camponotus]]'', ''[[Aenictus]]'', ''[[Cerapachys]]'', ''[[Acropyga]]'', ''[[Anochetus]]'', ''[[Formica]]'', ''[[Crematogaster]]'', ''[[Leptogenys]]'', ''[[Tetramorium]]'', ''[[Pheidole]]'', ''[[Polyrhachis]]''<br />
 
−
&nbsp;&nbsp;&nbsp;'''Species''': ''[[Lasius niger]]'', ''[[Solenopsis invicta]]'', ''[[Cardiocondyla emeryi]]'', ''[[Acropyga acutiventris]]'', ''[[Camponotus herculeanus]]'', ''[[Myrmica rubra]]'', ''[[Monomorium floricola]]'', ''[[Acropyga epedana]]'', ''[[Myrmica scabrinodis]]'', ''[[Camponotus ligniperda]]''<br />
 
−
&nbsp;&nbsp;&nbsp;'''Biology''': [[Life in an Ant Colony]], [[Social Parasitism]], [[The Ants]], [[Ritualised fighting in Iridomyrmex purpureus]], [[Foraging behaviors in Poneroids and Ectatomminae]]<br />
 
 
|}
 
|}
−
<!--        GETTING STARTED        -->
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* '''Marquee Information
 
{| class="wikitable"
 
{| class="wikitable"
−
!colspan="2"|[[Getting Started]]
+
! style="text-align: center; font-weight:bold;" | Height
 +
! style="text-align: center; font-weight:bold;" | Width
 
|-
 
|-
−
|
+
| style="text-align: center;" | 7.75" (7 3/4")
−
<gallery widths=180px>
+
| style="text-align: center;" | 24.375" (24 3/8")
−
File:Explore.jpg|link=Explore AntWiki|<center>'''[[Explore AntWiki|New to AntWiki?<br />Start here]]'''</center>
 
−
File:Table of contents.jpg|link=:Category:Antwiki|<center>'''[[:Category:Antwiki|Table of Contents]]'''</center>
 
−
</gallery>
 
−
|valign=top|
 
−
*[[Antwiki:User Accounts|Do I need an Account?]]
 
−
*[[The Antwiki Code]]
 
−
*[[Help:Contents|Help!]]
 
 
|}
 
|}
 +
 +
[[File:Defender_marquee_24.5x7.75.jpg|thumb|none]]
 +
* '''Control Panel Information
 +
*;Joystick:
 +
**[[2-Way_Leaf_Switch_Joystick]] (up, down)
 +
*;Buttons:
 +
**5 Fire-Thrust-Reverse-Hyperspace-Smart Bomb
 +
 +
==Cocktail Cabinet==
 +
* '''Overall Dimensions/Weight
 +
==Documentation==
 +
'''Drawings/Schematics'''
 +
<div class="toccolours mw-collapsible mw-collapsed" style="width:500px; overflow:auto;">
 +
<div style="font-weight:bold;line-height:1.6;">Early Drawings (no content yet)</div>
 +
<div class="mw-collapsible-content">
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/01%20-%2016P-301-101%20R-T%20April%201981%20-%20Later%20Game%20-%20Cover%20-8x11.pdf Front Cover]
 +
 +
 +
</div></div>
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="width:500px; overflow:auto;">
 +
<div style="font-weight:bold;line-height:1.6;">Later Drawings</div>
 +
<div class="mw-collapsible-content">
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/01%20-%2016P-301-101%20R-T%20April%201981%20-%20Later%20Game%20-%20Cover%20-8x11.pdf Front Cover]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/02%20-%20Table%20Of%20Contents%20-%208x11.pdf Table Of Contents]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/03-1%20-%20Board%20Layouts%20-%20All%20-%2011x17.pdf Board Layout Diagram 1]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/03-2%20-Board%20Layouts%20-%208x11.pdf Board Layout Diagram 2]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/04-1%20MPU%20Layout%20-%20R8570%20-%2011x17.pdf MPU Layout Diagram 1 (R8570)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/04-2%20-MPU%20Components%20-%208x11.pdf MPU Layout Diagram 2 (Parts List) (R8570)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/05%20-%20MPU%20Logic%20Diagram%20-%20Page%201%20-%20R8570%20-%2011x17.pdf MPU Schematic/Logic 1 (R8570)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/06%20-%20MPU%20Logic%20Diagram%20-%20Page%202%20-%20R8570%20-%2011x17.pdf MPU Schematic/Logic 2 (R8570)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/07%20-%20Interface%20-%20Widget%20Board%20-%20C8573%20-%2011x17.pdf Interface/Widget Board (C8573)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/08%20-%20ROM%20Board%20Layout%20-%20D8572%20-%2011x17.pdf ROM Board Layout Diagram (D8572)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/09%20-%20ROM%20Board%20Logic%20Diagram%20-%20D8572%20-%2011x17.pdf ROM Board Schematic (D8572)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/10%20-%20Power%20Supply%20Drawing%20-%20D8359%20-%2011x17.pdf Power Supply Diagram (D8359)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/11%20-%20Power%20Supply%20Logic%20Diagram%20-%20D8359%20-%2011x17.pdf Power Supply Schematic (D8359)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/12%20-%20Cabinet%20Power%20Wiring%20Diagram%20-%2011x17.pdf Cabinet Power Schematic]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/13%20-%20Power%20Panel%20Drawing%20-%20D8373%20-%2011x17.pdf Power Board Diagram (D8373)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/14%20-%20Sound%20Board%20Layout%20-%20Early%20-%20D8121%20-%2011x17.pdf Early Sound Board Diagram/Layout (D8121)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/15%20-%20Sound%20Board%20Logic%20Diagram%20-%20Early%20-%20D8121%20-%2011x17.pdf Early Sound Board Schematic (D8121)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/16%20-%20Sound%20Board%20Layout%20-%20Later%20-%20D8224%20-%2011x17.pdf Later Sound Board Diagram/Layout (D8224)]
 +
*[http://williamsarcades.com/Williams%20Files/Defender/Documents/Drawings/Later/17%20-%20Sound%20Board%20Logic%20Diagram%20-%20Later%20-%20D8224%20-%2011x17.pdf Later Sound Board Schematic (D8224)]
 +
</div></div>
 +
 +
* '''Manual Stored Here
 +
* '''Parts Catalog Stored Here
 +
 +
==Boards==
 +
===ROM Board===
 +
===Interface Board (I/O, Widget)===
 +
<div class="toccolours mw-collapsible mw-collapsed" style="width:500px; overflow:auto;">
 +
<div style="font-weight:bold;line-height:1.6;">Click here for more information..</div>
 +
<div class="mw-collapsible-content">
 +
 +
Description: The interface board is used to provide input ports that allow the physical connection of user inputs from the Control Panel. This board uses a 6821 PIA (peripheral interface adapter) that digitizes all inputs and provides the switch state to the MPU board when requested.
 +
 +
*; Jumpers
 +
** W1
 +
*** Is used to identify to the system if the game is an Upright or Cocktail
 +
*** W1 Removed - Cocktail Game - Screen Flip and unique controls (+5v Pull-Up resistor to PIA)
 +
*** W1 Installed - Upright Game - 2 Players share same controls, no screen flip (Connects PIA input to Ground)
 +
*** Notes: Green Rom Version has no support for Cocktail Mode
 +
** W2
 +
*** Is used to allow the program to enable or disable the Multiplexers (Muxers)
 +
*** W2 should always be connected there is no reason to remove jumper
 +
 +
*; Connections
 +
** Upright
 +
*** 3J2 Connector (Upper - Furthest from ribbon cable - Pin 1 is lowest - 10 Pin Molex PCB Headers - .156")
 +
**#'Fire' Button - (ORG-BRN) - PIA Pin 2
 +
**#'Thrust' Button - (ORG-RED) - PIA Pin 3
 +
**#'Smart Bomb' Button - (ORG) - PIA Pin 4
 +
**#'Hyperspace' Button - (ORG-YEL) - PIA Pin 5
 +
**#'2-Player Start' Button - (ORG-GRN) - PIA Pin 6
 +
**#'1-Player Start' Button - (ORG-BLU) - PIA Pin 7
 +
**#'Reverse' Button - (ORG-VIO) - PIA Pin 8
 +
**#'Down' Joystick - (ORG-GRY) - PIA Pin 9
 +
**#Key (Pin Removed)
 +
**#NC (No Connection)
 +
***3J3 Connector (Lower closest to ribbon cable - Pin 1 is lowest - 10 Pin Molex PCB Headers - .156")
 +
**#Up' Joystick - (ORG-WHT) - PIA Pin 10
 +
**#NC (No Connection)
 +
**#NC
 +
**#NC
 +
**#NC
 +
**#Key - Pin Removed
 +
**#NC
 +
**#NC
 +
**#NC
 +
**#Ground - (ORG-BLK) - Common to all switches and joystick
 +
** Cocktail
 +
***3J2 Connector (Upper - Furthest from ribbon cable - Pin 1 is lowest - 10 Pin Molex PCB Headers - .156")
 +
**#'Fire' Button (P1) - (ORG-BRN) - PIA Pin 2
 +
**#'Thrust' Button (P1) - (ORG-RED) - PIA Pin 3
 +
**#'Smart Bomb' Button (P1) - (ORG) - PIA Pin 4
 +
**#'Hyperspace' Button (P1) - (ORG-YEL) - PIA Pin 5
 +
**#'2-Player Start' Button (P1) - (ORG-GRN) - PIA Pin 6
 +
**#'1-Player Start' Button (P1) - (ORG-BLU) - PIA Pin 7
 +
**#'Reverse' Button (P1) - (ORG-VIO) - PIA Pin 8
 +
**#'UP' Joystick (P1) - (ORG-GRY) - PIA Pin 9
 +
**#Key (Pin Removed)
 +
**#Ground - (RED-BLK) - Common to all P2 Controls)
 +
***3J3 Connector (Lower closest to ribbon cable - Pin 1 is lowest - 10 Pin Molex PCB Headers - .156")
 +
**#Down' Joystick (P1)- (ORG-WHT) - PIA Pin 10
 +
**#'Up' Joystick (P2) - (RED-BRN)
 +
**#'Thrust' Button (P2) - (RED)
 +
**#'Smart Bomb' Button (P2) - (RED-ORG)
 +
**#'Hyperspace' Button (P2) - (RED-YEL)
 +
**#Key - Pin Removed
 +
**#'Reverse' Button (P2) - (RED-VIO)
 +
**#'Fire' Button (P2) - (RED-GRY)
 +
**#'Down' Joystick (P2) - (RED-WHT)
 +
**#Ground - (ORG-BLK) - (Common to all P1 Controls)
 +
 +
*;Ribbon Cable - Pinout
 +
*#D4 - PIA Pin 29
 +
*#NMI(NOT) - PIA No Connection
 +
*#D7 - PIA Pin 26
 +
*#FIRQ(NOT) - PIA No Connection
 +
*#D6 - PIA Pin 27
 +
*#RW (Read/Write) - PIA Pin 21
 +
*#D5 - PIA Pin 28
 +
*#Reset(NOT) - PIA Pin 34
 +
*#D2 - PIA Pin 31
 +
*#+5vdc (Power for board) - PIA Pin 20
 +
*#D1 - PIA Pin 32
 +
*#D0 - PIA Pin 33
 +
*#D3 - PIA Pin 30
 +
*#E(Enable) - PIA Pin 25
 +
*#PIA(NOT) - PIA Pin 23 via IC4(14049 Hex Inverter Pin 11 to 12)
 +
*#Ground - PIA Pin 6
 +
*#A0 - PIA Pin 36
 +
*#A1 - PIA Pin 35
 +
*#A2 - PIA Pin 24
 +
*#A3 - PIA Pin 22 via IC4(14049 Hex Inverter - Pin 9 to 10)
 +
</div></div>
 +
 +
==Software==
 +
 +
'''High Score Table Initials Decoded:'''
 +
 +
DRJ – Eugene Jarvis. Designer, programmer.
 +
 +
SAM – Sam Dicker. Programmer.
 +
 +
LED – Larry DeMar. Programmer.
 +
 +
PGD – Paul Dussault. Programmer.
 +
 +
CRB – Chuck Bleich. Hardware engineering.
 +
 +
MRS – Mike Stroll. Head of Engineering at Williams.
 +
 +
SSR – Steve Ritchie. An engineer at Williams primarily involved in pinball, did not work directly on Defender.
 +
 +
TMH – Tom Hart. Hardware engineer.

Latest revision as of 02:58, 17 February 2024

Released - 1981

Upright Cabinet

  • Overall Dimensions/Weight
Williams Flyer.jpg
Height Width Depth Weight
72" 26" 32.5" (32 1/2") 265 lbs.
  • Marquee Information
Height Width
7.75" (7 3/4") 24.375" (24 3/8")
Defender marquee 24.5x7.75.jpg

Cocktail Cabinet

  • Overall Dimensions/Weight

Documentation

Drawings/Schematics

Early Drawings (no content yet)


Later Drawings
  • Manual Stored Here
  • Parts Catalog Stored Here

Boards

ROM Board

Interface Board (I/O, Widget)

Click here for more information..

Description: The interface board is used to provide input ports that allow the physical connection of user inputs from the Control Panel. This board uses a 6821 PIA (peripheral interface adapter) that digitizes all inputs and provides the switch state to the MPU board when requested.

  • Jumpers
    • W1
      • Is used to identify to the system if the game is an Upright or Cocktail
      • W1 Removed - Cocktail Game - Screen Flip and unique controls (+5v Pull-Up resistor to PIA)
      • W1 Installed - Upright Game - 2 Players share same controls, no screen flip (Connects PIA input to Ground)
      • Notes: Green Rom Version has no support for Cocktail Mode
    • W2
      • Is used to allow the program to enable or disable the Multiplexers (Muxers)
      • W2 should always be connected there is no reason to remove jumper
  • Connections
    • Upright
      • 3J2 Connector (Upper - Furthest from ribbon cable - Pin 1 is lowest - 10 Pin Molex PCB Headers - .156")
      1. 'Fire' Button - (ORG-BRN) - PIA Pin 2
      2. 'Thrust' Button - (ORG-RED) - PIA Pin 3
      3. 'Smart Bomb' Button - (ORG) - PIA Pin 4
      4. 'Hyperspace' Button - (ORG-YEL) - PIA Pin 5
      5. '2-Player Start' Button - (ORG-GRN) - PIA Pin 6
      6. '1-Player Start' Button - (ORG-BLU) - PIA Pin 7
      7. 'Reverse' Button - (ORG-VIO) - PIA Pin 8
      8. 'Down' Joystick - (ORG-GRY) - PIA Pin 9
      9. Key (Pin Removed)
      10. NC (No Connection)
      • 3J3 Connector (Lower closest to ribbon cable - Pin 1 is lowest - 10 Pin Molex PCB Headers - .156")
      1. Up' Joystick - (ORG-WHT) - PIA Pin 10
      2. NC (No Connection)
      3. NC
      4. NC
      5. NC
      6. Key - Pin Removed
      7. NC
      8. NC
      9. NC
      10. Ground - (ORG-BLK) - Common to all switches and joystick
    • Cocktail
      • 3J2 Connector (Upper - Furthest from ribbon cable - Pin 1 is lowest - 10 Pin Molex PCB Headers - .156")
      1. 'Fire' Button (P1) - (ORG-BRN) - PIA Pin 2
      2. 'Thrust' Button (P1) - (ORG-RED) - PIA Pin 3
      3. 'Smart Bomb' Button (P1) - (ORG) - PIA Pin 4
      4. 'Hyperspace' Button (P1) - (ORG-YEL) - PIA Pin 5
      5. '2-Player Start' Button (P1) - (ORG-GRN) - PIA Pin 6
      6. '1-Player Start' Button (P1) - (ORG-BLU) - PIA Pin 7
      7. 'Reverse' Button (P1) - (ORG-VIO) - PIA Pin 8
      8. 'UP' Joystick (P1) - (ORG-GRY) - PIA Pin 9
      9. Key (Pin Removed)
      10. Ground - (RED-BLK) - Common to all P2 Controls)
      • 3J3 Connector (Lower closest to ribbon cable - Pin 1 is lowest - 10 Pin Molex PCB Headers - .156")
      1. Down' Joystick (P1)- (ORG-WHT) - PIA Pin 10
      2. 'Up' Joystick (P2) - (RED-BRN)
      3. 'Thrust' Button (P2) - (RED)
      4. 'Smart Bomb' Button (P2) - (RED-ORG)
      5. 'Hyperspace' Button (P2) - (RED-YEL)
      6. Key - Pin Removed
      7. 'Reverse' Button (P2) - (RED-VIO)
      8. 'Fire' Button (P2) - (RED-GRY)
      9. 'Down' Joystick (P2) - (RED-WHT)
      10. Ground - (ORG-BLK) - (Common to all P1 Controls)
  • Ribbon Cable - Pinout
    1. D4 - PIA Pin 29
    2. NMI(NOT) - PIA No Connection
    3. D7 - PIA Pin 26
    4. FIRQ(NOT) - PIA No Connection
    5. D6 - PIA Pin 27
    6. RW (Read/Write) - PIA Pin 21
    7. D5 - PIA Pin 28
    8. Reset(NOT) - PIA Pin 34
    9. D2 - PIA Pin 31
    10. +5vdc (Power for board) - PIA Pin 20
    11. D1 - PIA Pin 32
    12. D0 - PIA Pin 33
    13. D3 - PIA Pin 30
    14. E(Enable) - PIA Pin 25
    15. PIA(NOT) - PIA Pin 23 via IC4(14049 Hex Inverter Pin 11 to 12)
    16. Ground - PIA Pin 6
    17. A0 - PIA Pin 36
    18. A1 - PIA Pin 35
    19. A2 - PIA Pin 24
    20. A3 - PIA Pin 22 via IC4(14049 Hex Inverter - Pin 9 to 10)

Software

High Score Table Initials Decoded:

DRJ – Eugene Jarvis. Designer, programmer.

SAM – Sam Dicker. Programmer.

LED – Larry DeMar. Programmer.

PGD – Paul Dussault. Programmer.

CRB – Chuck Bleich. Hardware engineering.

MRS – Mike Stroll. Head of Engineering at Williams.

SSR – Steve Ritchie. An engineer at Williams primarily involved in pinball, did not work directly on Defender.

TMH – Tom Hart. Hardware engineer.

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