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8085 Addressing. Modes. The number & Different kind of ways the programmer can. refer to data stored in the memory. The different ways that a microprocessor can access data. are referred to as Addressing modes. Immediate Addressing mode; Register Addressing mode; Direct Addressing mode; Indirect Addressing
and Architecture 8th Edition. Chapter 11. Instruction Sets: Addressing Modes and Formats. Addressing Modes. Immediate; Direct; Indirect; Register; Register Indirect; Displacement (Indexed); Stack. Immediate Addressing. Operand is part of instruction; Operand = address field; e.g. ADD 5. Add 5 to contents of accumulator
•Addressing Modes : is the technique used to fetch the desired operand during the execution of an instruction. •Instructions can be categorized according to their method of addressing the hardware registers and/or memory. •The 8085 MPU uses five addressing. Modes: 1.Immediate Addressing Modes. 2. Register
source of data or the address of destination of result is given in the instruction is called Addressing. Modes. The term addressing mode refers to the way in which the operand of the instruction is specified. 3. Gursharan Singh Tatla. Page 4. Types of Addressing Modes. Intel 8085 uses the following addressing modes: 1.
Single-cycle multiply-accumulate capability; high-performance DSPs often have two multipliers that enable two multiply-accumulate operations per instruction cycle; some DSP have four or more multipliers. •. • Specialized addressing modes, for example, pre- and post-modification of address pointers, circular addressing,
Register addressing mode. ? Immediate addressing mode. • Memory addressing modes. ? 16-bit and 32-bit addressing. » Operand and address size override prefixes. ? Direct addressing. ? Indirect addressing. ? Based addressing. ? Indexed addressing. ? Based-indexed addressing. • Examples. ? Sorting (insertion sort).
INTEL 8085. This chapter describes hardware, software, and interfacing aspects of the Intel 8085, Topics include 8085 register architecture, addressing modes, instruction set, and system design. 2.1 INTRODUCTION. The Intel 8085 is an 8-bit microprocessor. Intel redesigned the 8080 in order to enhance its performance
18 Nov 2016 8085 ADDRESSING MODES • The ways by which operands are specified in an instruction are called addressing modes. • Different addressing modes of 8085 are: • Immediate Addressing Mode • Register Addressing Mode • Direct Addressing Mode • Register Indirect Addressing Mode • Implied Addressing
0Examples. »COM : Complement Accumulator. ?Operand in AC is implied in the definition of the instruction. ?All register reference instruction that use an accumulator are implied mode instruction. »PUSH : Stack push. ?Operand is implied to be on top of the stack. ?Zero address instruction in stack are implied mode.
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