mirrorbird(06:28:03)
is that seal as in Kiss from a Rose, or seal as in "arp arp"
Agemixer(06:27:54)
the RC still filling, and when the same signal level is finally reached, the first opamp gives a zero level, a 3rd opamp recognizes and toggles the ext. counter chip to stop.
Agemixer(06:24:59)
when the OPAMP tells the difference is near enough, it tells another opamp to slow down the RC power and give a signal to CIA to result stop at same time
Agemixer(06:21:56)
the high part can be read from CIA, then the low part can be read from ext counter from this sampler, which counts up ALL cycles