h6. [[Programmer's Reference Manuals]] h6(. » OS_Byte & OS_Word * [[OS_Byte Introduction|OS_Byte Introduction]] ** "Overview":OS_Byte%20Introduction#overview ** "Reason codes":OS_Byte%20Introduction#reason ** "Interrupt handling":OS_Byte%20Introduction#interrupt ** "Adding OS_Byte calls":OS_Byte%20Introduction#adding ** "*Command":OS_Byte%20Introduction#command * [[OS_Word Introduction|OS_Word Introduction]] ** "Overview":OS_Word%20Introduction#overview ** "Reason codes":OS_Word%20Introduction#reason ** "Interrupt handling":OS_Word%20Introduction#interrupt ** "Adding OS_Word calls":OS_Word%20Introduction#adding ** "*Command":OS_Word%20Introduction#command