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Motorola 68000 User Manual

Motorola 68000
60 pages
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Motorola 68000's
Instruction Set

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Motorola 68000 Specifications

General IconGeneral
ArchitectureCISC
Data Width16-bit
Address Width24-bit
Transistor Count68, 000
Instruction SetMotorola 68000
Maximum Addressable Memory16 MB
ManufacturerMotorola
Model68000
TypeMicroprocessor
Voltage5 V
Process Technology3.5 μm
Package64-pin DIP, 68-pin PGA, 68-pin PLCC

Summary

68000 Instruction Set Overview

Instruction Description Format

Explains the structure of instruction entries, including syntax, attributes, and description.

Addressing Mode Notation

Defines the symbols used to represent various addressing modes.

ABCD: Add decimal with extend

ADD: Add binary

AND: Logical AND operation

Bcc: Branch on condition

DIVS, DIVU: Signed/Unsigned Divide

MOVE: Copy data between locations

MULS, MULU: Signed/Unsigned Multiply

NOP: No operation

PEA: Push effective address

SUB: Subtract binary

TRAP: Initiate exception processing

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