
Configuring an M1 CPU with Modsoft
192
870USE10110 July 2004
Reading the Time-of-Day Clock on Momentum Components with Modsoft
Overview This section tells how to read the time-of-day clock and uses an example to describe
how to interpret the time-of-day clock registers.
Reading the
Clock
Set the value 4000H in register 4x to read data from the clock.
Example If you reserved registers 400100...400107 as your TOD clock registers, set the time
bits, and then read the clock at 9:25:30 on Thursday, July 16, 1998, the registers
would display the following values:
Register Reading Indication
400100 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 All clock values have been set; clock values
are being read
400101 5 (decimal) Thursday
400102 7 (decimal) July
400103 16 (decimal) 16
400104 98 (decimal) 1998
400105 9 (decimal) 9 a.m.
40010 6 25 (decimal) 25 minutes
40010 7 30 (decimal) 30 seconds
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