|OSWord call||Action||Available on:|
|3||03||Read interval timer||x||x||x|
|4||04||Write interval timer||x||x||x|
This routine may be used to read/write the interval timer, used for events.
For read (OSWord 0x03) the current clock value will be writted to the 5 bytes pointed to by the XY registers.
For write (OSWord 0x04) the new clock value is contained in the 5 bytes pointed to by the XY registers.