User guide

Configuring an M1 CPU with Modsoft
164
870 USE 101 00 V.2.2
Setting the Time,
Continued
Procedure
Follow the steps in the table below to set the register values for the time-of-day
clock:
Step Action
1 Set the correct date and time in registers 4
x + 1 through 4 x + 7.
Example: To set the clock for Thursday, April 9, 1998 at 4:17:00, set the following
values in the registers:
4 x + 1 5
4 x + 2 4
4 x + 3 9
4 x + 4 98
4 x + 5 4
4 x + 6 17
4 x + 7 00
2 Load the value
8000H
in register 4
x to write the data to the clock.