Zilog Z80380 - Manual (Page 106)

Glossary
Glossary-4 UM004001-COR1103
IM Immediate Data Addressing Mode.
IMASK Interrupt Mask Register.
IMR Interrupt Mask Register.
INC Increment.
INCW Increment Word.
Initialize To establish start-up parameters, typically involving
clearing all of some part of the device’s memory space.
Instruction Command.
INT Interrupt.
Internal Symbol A symbol that is defined in a program file. This symbol
could be visible to multiple functions within the same
program file.
I/O Input/Output. In computers, the part of the system that
deals with interfacing to external devices for input or
output, such as keyboards or printers.
IPR Interrupt Priority Register.
Ir Indirect Working-Register Pair Only.
IR Infrared. A light frequency range just below that of
visible light.
IRQ Interrupt Request.
ISDN Integrated Services Digital Network.
ISO International Standards Organization.