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Simple Joystick Interfaces are a thing of the past. The dual joystick interface "KEMPSTON MAX" offers more:

Main features:

- port A: 5 different joystick modes:

Kempston Joystick interface mode
Sinclair Joytick interface mode
Protek Joystick interface mode
QAOP M keys emulation
QAOP SPACE keys emulation

- Port B always works in SINCLAIR1 mode
- Magic button (Reset / Joytick mode)
- fully passthrough - you can connect any device that uses ZX Edge connector
- joystick mode/activity LEDs
- build upon Atf1502 CPLD and some minor ttls
- transparent case with rubber stands made by laser machine
- jumperless configurable mode of joystick port A
- 12V/9V/5V status voltages LEDs

A great new product for the Sinclair ZX Spectrum that is compatible with the 16k/48k, 48K+, 128k, +2, +2A/B and +3.

Usage Notes:

JOYSTICK PORTS: as mentioned above, joystick port_A works in 5 modes:

KEMPSTON MODE - MODE 0 - default - no action required
SINCLAIR2 MODE - MODE 1 - to switch joystick port_1 to SINCLAIR2 mode hold joystick in UP position, then press ACTION BUTTON
PROTEK MODE - MODE 2 -to switch joystick port1 to PROTEK/AGF/CURSOR mode, hold joystick in DOWN position, then press ACTION BUTTON
QAOPM MODE - MODE 3 - to switch joystick port1 to this mode, hold joystick in LEFT position, then press ACTION BUTTON
QAOP_SPACE MODE - MODE 4: - to switch joystick port1 to this mode, hold joystick in RIGHT position, then press ACTION BUTTON

ACTION BUTTON pressed with FIRE BUTTON acts as RESET

Dual Joystick-Interface "KEMPSTON_MAX" compatible for Sinclair ZX Spectrum