theqtisch’s tinkerizations

From the MIDIBOX description of the MIOS core:
The SRIO handler requires just only 75 uS to fetch the data from 128 digital input pins and to write out data to 128 digital output pins.
What this means is that he’s reading 128bits (from 16 74HC165 shift registers, all connected serially, IIRC) AND writing 128 Bits (into [...]