Content
1. Content
1. Content.............................................................................................................................................2
2. Introduction......................................................................................................................................3
3. Using Keyrah V3..............................................................................................................................5
3.1 Keyboards..................................................................................................................................5
3.1.1 Matrix Connectors..............................................................................................................5
3.1.2 Serial Connectors...............................................................................................................5
3.1.3 PS/2 Connector..................................................................................................................5
3.1.4 DB25 Connector................................................................................................................5
3.1.5 Locking Keys.....................................................................................................................6
3.2 LEDs..........................................................................................................................................7
3.2.1 Connectors.........................................................................................................................7
3.2.2 Power LED.........................................................................................................................7
3.2.3 Keyboard status LEDs.......................................................................................................7
3.3 Joystick Ports.............................................................................................................................8
3.4 Power Switch.............................................................................................................................9
3.5 Extra Buttons.............................................................................................................................9
3.6 Jumpers....................................................................................................................................10
3.6.1 Keymap select..................................................................................................................10
3.6.2 Keyboard type..................................................................................................................10
3.7 Keyboard Mapping..................................................................................................................11
3.7.1 VIC20, C64......................................................................................................................12
Fn Extra Key Layer..............................................................................................................14
3.7.2 C128.................................................................................................................................16
3.7.3 C16...................................................................................................................................17
Fn Extra Key Layer..............................................................................................................18
3.7.4 Amiga...............................................................................................................................20
Fn Extra Key Layer..............................................................................................................20
3.7.5 Atari ST............................................................................................................................22
Fn Extra Key Layer..............................................................................................................23
3.8 Using a custom Keymap..........................................................................................................25
3.8.1 Keyboard Matrix..............................................................................................................26
CBM Keyboards...................................................................................................................26
Amiga Keyboards.................................................................................................................27
Atari Keyboards...................................................................................................................28
PC Keyboards.......................................................................................................................29
3.8.2 Global extra Keys.............................................................................................................30
3.8.3 Configuration Data...........................................................................................................30
4. Appendix.........................................................................................................................................31
4.1 Pinouts.....................................................................................................................................31
4.1.1 DE9 Connectors...............................................................................................................31
4.1.2 DB25 Connector..............................................................................................................32
4.2 Technical Data.........................................................................................................................33
5. Credits.............................................................................................................................................34
6. Fine print........................................................................................................................................35
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