78.1 x 163.6 x 7.9 mm
Built-in A/B testing
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The test channel ID to scrape is: `UC9ecwl3FTG66jIKA9JRDtmg`
The 386 solves this by repurposing RPT (Repeat). Normally, RPT implements loops -- it re-executes a micro-instruction while decrementing a counter, as we saw in the multiplication post. But when a protection test is in flight, the hardware suppresses RPT's counter-decrement and turns it into a pure stall: the sequencer freezes until the PLA result arrives.