Addressing Modes of 68000

Addressing Modes of 68000: 68000 utilizes 14 different Addressing Modes of 68000 which can be grouped into 6 basic types. These are 1.Direct Register Addressing a)Data Register Direct b)Address Register Direct 2.Direct Memory Addressing a)Absolute short b)Absolute long. 3.Indirect Memory Addressing a)Register Indirect b)Post-increment Register Indirect c)Pre-decrement Register Indirect d)Register Indirect with Displacement e)Register Indirect […]

Motorola 68000 Features

Motorola 68000 Features: The Motorola 68000 microprocessor is Motorola’s first 16-bit microprocessor. The 68000 is not program compatible with Motorola’s family of 8-bit microprocessors. For the designing of instruction set the Motorola has given more trace on its powerfulness and simplicity rather than compatibility. The Motorola 68000 Features are 1.It is a 16-bit microprocessor. 2.There […]

Address Decoding Techniques in 8086 Microprocessor

Address Decoding Techniques in 8086 Microprocessor: The Different types of Address Decoding Techniques in 8086 Microprocessor are, Absolute decoding Linear decoding Block decoding 1. Absolute Decoding : In absolute decoding technique the memory chip is selected only for the specified logic level on the address lines; no other logic levels can select the chip. Fig 10.12 […]

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