Clearing Data Registers
Before beginning a task in which you will use data registers, you should consider clearing (setting to zero) the contents of the registers you will use. You can clear all data registers, or a single data register.
Clearing All Registers
The key sequence [ 2nd ] [ CMS ] enables you to set to zero all memory currently allocated to data registers. Because this function clears the contents of ALL data registers, you should ensure there is no vital data stored in any registers before using it.Clearing A Single Register
By storing a 0 in a data register, you can clear that register without affecting the contents of other registers.☚ Back