Chapter 6 Applied Instructions 6.17 Real-time Clock Instructions 6.17.1 List of Real-time Clock Instructions 6-348 Instruction code Pulse Page API Function Step 16-bit 32-bit instruction number 1600 TRD – Reading the time 3 6-349 1601 TWR – Writing the time 3 6-351 1602 T+ – Adding the time 7 6-352 1603 T- – Subtracting the time 7 6-354 1604 HOUR DHOUR – Running-time meter 7 6-356 1605 TCMP – Comparing the time 11 6-358 1606 TZCP – Time zone comparison 9 6-360