/Vintage/Sinclair/82/Peripherals/Joystick Interfaces/AGF Protocol 4/
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AGF Protocol 4

Programmable joystick interface.

By means of plastic 'program' cards the interface could be set up to emulate different joystick interfaces. Supplied cards were for Sinclair Interface 2 port 1 and port 2, AGF and Cursor. Kempston emulation was probably built-in, as this is not a keyboard keys emulating joystick interface [to be verified]. Some cards could be programmed by the customer.

Programming was achieved by little silicon cones which were tucked into holes in the plastic cards and which pressed on foil key contacts, similar to the ZX81 keyboard, or even more to the ZX80 or the Jupiter Ace keyboard. For this the card had to be flipped and plugged in place to generate some pressure on the foil. I had some trouble to figure out how to lift it again...

Year                    1985
Producer                AGF
Original retail price:  £29.95

Scans of ads are from WoS.

Archive

	Name		Letzte Änderung		Länge
	2007-05-15 £17.50.jpg size: 266 × 400		2007-05-25 09:33		18885
	AGFProtocol4.jpg size: 800 × 1128		2006-11-22 10:17		213033
	AGFProtocol4_2.jpg size: 902 × 1323		2006-11-22 10:17		288459
	AGFProtocol4_3.jpg size: 898 × 1326		2006-11-22 10:17		291118
	Specci with AGF Protocol 4.jpg size: 800 × 600		2006-11-22 10:43		87808

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