Timer units just happen to be what the high-order word of the traditional TOD clock counts. Whether that figured as a design point back in the day I have no idea. I presume the span covered (1900-2047) and the precision (specified as microseconds in bit 51, implying much room for more in the last 12 bits) were more important considerations. Just my guess, though.
sas On Fri, Feb 23, 2018 at 9:24 AM, Charles Mills <[email protected]> wrote: > ... Why 1.048576? One way of looking at that value is that it is 2^20 > divided by 10^6. It is the ratio between mibi and mega. > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
