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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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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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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
Kingdom
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1184:Defunct computer companies of the United Kingdom
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367:Kempston Interface plugged into a Spectrum Plus
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1214:Electronics companies of the United Kingdom
636:Sinclair computers, derivatives, and clones
50:Learn how and when to remove these messages
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227:Learn how and when to remove this message
209:Learn how and when to remove this message
107:Learn how and when to remove this message
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31:This article has multiple issues.
1199:Home computer hardware companies
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569:deKay, Author (1 October 2016).
343:standard to be connected to the
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1224:Companies based in Bedfordshire
479:Competition Pro (first version)
428:standard. However, the bundled
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134:needs additional citations for
39:or discuss these issues on the
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542:Woodcock, Colin (7 May 2012).
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329:peripherals during the 1980s.
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379:The Kempston Interface is a
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158:"Kempston Micro Electronics"
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359:Kempston joystick interface
87:the claims made and adding
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545:The ZX Spectrum on Your PC
332:The Kempston Interface, a
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240:Kempston Micro Electronics
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647:Science of Cambridge
463:y-axis at port 65503
460:x-axis at port 64479
394:standard (using the
143:improve this article
1129:Magnum Light Phaser
1094:Rotronics Wafadrive
1081:Beta Disk Interface
645:Sinclair Research /
392:Atari joystick port
341:Atari joystick port
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1065:FDD3000 Disk Drive
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593:has generic name (
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72:possibly contains
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1124:Stack Light Rifle
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738:ZX Spectrum Vega+
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281:28 January 1983
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199:December 2009
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160: –
159:
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154:Find sources:
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132:This article
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97:February 2010
90:
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1103:
1055:TS2050 Modem
985:One Per Desk
893:CZ 1500 Plus
889:CZ 1000 Plus
845:ZX80 based:
675:ZX Spectrum+
591:|first=
575:deKay's Blog
574:
564:
548:. Lulu.com.
544:
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513:, and later
507:Commodore 64
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331:
325:and related
315:Bedfordshire
306:
305:
294:Headquarters
254:Company type
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205:
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186:
179:
172:
165:
153:
141:Please help
136:verification
133:
103:
94:
71:
47:
40:
34:
33:Please help
30:
1209:ZX Spectrum
1011:peripherals
999:Jupiter Ace
905:Ringo R-470
897:CZ Spectrum
869:Lambda 8300
671:ZX Spectrum
503:Amstrad CPC
499:ZX Spectrum
385:ZX Spectrum
345:ZX Spectrum
272:Electronics
1178:Categories
1018:ZX Printer
979:QL based:
529:References
523:Atari 5200
491:Atari 2600
334:peripheral
169:newspapers
81:improve it
36:improve it
1099:Multiface
995:SAM Coupé
939:Dubna 48K
861:Apply 300
826:QL clones
805:Lists of
768:(TC 2068)
493:standard
471:Joysticks
351:Interface
323:joysticks
268:Computing
85:verifying
42:talk page
1219:Kempston
1114:SpecDrum
1104:Kempston
1086:DISCiPLE
981:CST Thor
955:Kay 1024
951:Sprinter
935:Didaktik
927:Pentagon
901:NE-Z8000
847:MicroAce
766:T/S 2068
761:T/S 1500
756:T/S 1000
583:cite web
519:Atari ST
389:de facto
381:joystick
338:de facto
311:Kempston
298:Kempston
264:Industry
993:Other:
989:Q40/Q60
885:CZ 1500
881:CZ 1000
877:CZ 2000
865:AS-1000
777:TC 3256
772:TC 2048
704:Amstrad
418:Amstrad
319:England
286:Defunct
278:Founded
183:scholar
79:Please
1138:People
1109:Currah
943:Hobbit
873:CP-200
855:NE-Z80
807:clones
552:
511:VIC-20
407:Cursor
185:
178:
171:
164:
156:
971:Robik
963:TK90X
909:TK82C
521:. An
515:Amiga
455:Mouse
430:SJS-1
416:When
190:JSTOR
176:books
1090:MB02
967:TK95
917:TK85
913:TK83
851:TK80
666:ZX81
661:ZX80
656:MK14
595:help
550:ISBN
517:and
495:DE-9
440:and
162:news
923:ATM
795:Z88
444:to
436:to
145:by
83:by
1180::
997:,
987:,
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875:,
871:,
867:,
863:,
853:,
849:,
685:QL
677:,
587::
585:}}
581:{{
573:.
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45:.
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681:)
673:(
628:e
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48:(
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