User`s guide

MPLAB
®
IDE User’s Guide
DS51519B-page 266 © 2006 Microchip Technology Inc.
MPLIB Object Librarian
MPLIB librarian is an object librarian for use with COFF object modules created using
either MPASM assembler (mpasm or mpasmwin v2.0) or MPLAB C1X C compilers.
MPLINK Object Linker
MPLINK linker is an object linker for the Microchip MPASM assembler and the Micro-
chip MPLAB C17 or C18 C compilers. MPLINK linker also may be used with the Micro-
chip MPLIB librarian. MPLINK linker is designed to be used with MPLAB IDE, though
it does not have to be.
MRU
Most Recently Used. Refers to files and windows available to be selected from MPLAB
IDE main pull down menus.
Nesting Depth
The maximum level to which macros can include other macros.
Node
MPLAB IDE project component.
Non Real Time
Refers to the processor at a breakpoint or executing single-step instructions or MPLAB
IDE being run in simulator mode.
Non-Volatile Storage
A storage device whose contents are preserved when its power is off.
NOP
No Operation. An instruction that has no effect when executed except to advance the
program counter.
Object Code
The machine code generated by an assembler or compiler.
Object File
A file containing machine code and possibly debug information. It may be immediately
executable or it may be relocatable, requiring linking with other object files, e.g.,
libraries, to produce a complete executable program.
Object File Directives
Directives that are used only when creating an object file.
Off-Chip Memory
Off-chip memory refers to the memory selection option for the PIC17 or PIC18 device
where memory may reside on the target board, or where all program memory may be
supplied by the Emulator.
Opcodes
Operational Codes. See Mnemonics.
Operators
Symbols, like the plus sign ‘+’ and the minus sign ‘-’, that are used when forming
well-defined expressions. Each operator has an assigned precedence that is used to
determine order of evaluation.
OTP
One Time Programmable. EPROM devices that are not in windowed packages. Since
EPROM needs ultraviolet light to erase its memory, only windowed devices are
erasable.