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Apart from implementing existing joystick interfacing modes they produced their own standard which delivered the joystick state on the Z80 bus at port 31 (read in BASIC using IN 31). This meant that the joystick did not produce key-presses like the other standards, such as
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It was one of the most widely supported standards on the machine, coming out as the clear winner against other standards such as Protek and AGF's cursor-based solution and the Fuller standard during the days of the 48K Spectrum.
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being left, right, down, up, fire for the 'left' and 'right' joysticks respectively) and hence were ideal for games with no official joystick support but in which the keys could be redefined.
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Inserting or removing the joystick interface when the computer was turned on was inadvisable as it would almost certainly damage the computer hardware.
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The interface itself would be attached to the computer's rear expansion port with a single joystick port on the front or top of the system.
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joystick was electrically incompatible with the Atari standard. The
Interface 2 standard simulated keypresses on the numerical keys (
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The
Competition Pro has a square base, two large red buttons (for left or right-handed use), and a black pommel stick. It uses the
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Kempston joystick interface; it also works with the compatible ports of other home computers such as the
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The Score Board has a base similar in size to a 48K Spectrum, with two fire buttons. Released June 1985.
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ZX Spectrum
Kempston Joystick Interface with 3 ports and cartridge slot
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model uses the existing CX52 controller for the keypad functionality.
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The
Formula 1 is based on the Quickshot 1 and released June 1985.
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series of computers that allows controllers complying with the
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connector and was primarily designed to work with the
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Defunct manufacturing companies of the United
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61:Learn how and when to remove these messages
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220:Learn how and when to remove this message
118:Learn how and when to remove this message
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42:This article has multiple issues.
1210:Home computer hardware companies
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580:deKay, Author (1 October 2016).
354:standard to be connected to the
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1235:Companies based in Bedfordshire
490:Competition Pro (first version)
439:standard. However, the bundled
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145:needs additional citations for
50:or discuss these issues on the
553:Woodcock, Colin (7 May 2012).
340:peripherals during the 1980s.
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390:The Kempston Interface is a
169:"Kempston Micro Electronics"
370:Kempston joystick interface
98:the claims made and adding
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556:The ZX Spectrum on Your PC
343:The Kempston Interface, a
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251:Kempston Micro Electronics
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474:y-axis at port 65503
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405:standard (using the
154:improve this article
1140:Magnum Light Phaser
1105:Rotronics Wafadrive
1092:Beta Disk Interface
656:Sinclair Research /
403:Atari joystick port
352:Atari joystick port
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604:has generic name (
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210:December 2009
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171: –
170:
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165:Find sources:
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143:This article
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108:February 2010
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1066:TS2050 Modem
996:One Per Desk
904:CZ 1500 Plus
900:CZ 1000 Plus
856:ZX80 based:
686:ZX Spectrum+
602:|first=
586:deKay's Blog
585:
575:
559:. Lulu.com.
555:
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524:, and later
518:Commodore 64
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389:
348:
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336:and related
326:Bedfordshire
317:
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305:Headquarters
265:Company type
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197:
190:
183:
176:
164:
152:Please help
147:verification
144:
114:
105:
82:
58:
51:
45:
44:Please help
41:
1220:ZX Spectrum
1022:peripherals
1010:Jupiter Ace
916:Ringo R-470
908:CZ Spectrum
880:Lambda 8300
682:ZX Spectrum
514:Amstrad CPC
510:ZX Spectrum
396:ZX Spectrum
356:ZX Spectrum
283:Electronics
1189:Categories
1029:ZX Printer
990:QL based:
540:References
534:Atari 5200
502:Atari 2600
345:peripheral
180:newspapers
92:improve it
47:improve it
1110:Multiface
1006:SAM Coupé
950:Dubna 48K
872:Apply 300
837:QL clones
816:Lists of
779:(TC 2068)
504:standard
482:Joysticks
362:Interface
334:joysticks
279:Computing
96:verifying
53:talk page
1230:Kempston
1125:SpecDrum
1115:Kempston
1097:DISCiPLE
992:CST Thor
966:Kay 1024
962:Sprinter
946:Didaktik
938:Pentagon
912:NE-Z8000
858:MicroAce
777:T/S 2068
772:T/S 1500
767:T/S 1000
594:cite web
530:Atari ST
400:de facto
392:joystick
349:de facto
322:Kempston
309:Kempston
275:Industry
1004:Other:
1000:Q40/Q60
896:CZ 1500
892:CZ 1000
888:CZ 2000
876:AS-1000
788:TC 3256
783:TC 2048
715:Amstrad
429:Amstrad
330:England
297:Defunct
289:Founded
194:scholar
90:Please
1149:People
1120:Currah
954:Hobbit
884:CP-200
866:NE-Z80
818:clones
563:
522:VIC-20
418:Cursor
196:
189:
182:
175:
167:
982:Robik
974:TK90X
920:TK82C
532:. An
526:Amiga
466:Mouse
441:SJS-1
427:When
201:JSTOR
187:books
1101:MB02
978:TK95
928:TK85
924:TK83
862:TK80
677:ZX81
672:ZX80
667:MK14
606:help
561:ISBN
528:and
506:DE-9
451:and
173:news
934:ATM
806:Z88
455:to
447:to
156:by
94:by
1191::
1008:,
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902:,
898:,
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886:,
882:,
878:,
874:,
864:,
860:,
696:QL
688:,
598::
596:}}
592:{{
584:.
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56:.
956:,
692:)
684:(
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