Zilog Z80380 User 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.