Re: 98xx international keyboard layouts?


The decoding works like this. Pulses are counted and fed to an one out of 16 decoder which controls 16 8-input analogue muxes. Mux 0 has input 2 to the shift keys, 3 to the Ctrl key, hence shift is pulling data low after 2 pulses, Ctrl after three etc.

The config links is connected to the last mux so J7 is the 120th pulse, J6 is the 121th pulse etc.

Let me try that tomorrow.

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