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8085

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    1.      What is Stack? Explain about stack in 8085. ·        The stack is a group of memory location in the R/W memory that is used for temporary storage of binary information during the execution of a program ·        The stack is a LIFO structure. – Last In First Out. ·        The starting location of the stack is defined by loading a 16 bit address into the stack pointer that spaced is reserved, usually at the top of the memory map   Stack in 8085   ·        In 8085 microprocessor system the beginning of the stack is defined in the program by using the instruction   LXI SP,<16 bit> ·        The 8085 provide two instruction PUSH & POP for storing information on the stack and retrieving it back. PUSH   <Reg Pair>     :    Sto...
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PROGRAMMER'S MODEL OF 8086

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The programming model for a microprocessor shows the various internal registers that are accessible to the programmer.   The Following Figure is a model for the 8086. In general, each register has a special function. In the programming model there are -           4 General Purpose registers( Data Registers) -           4 Segment registers -           2 Pointer registers -           2 Index registers -           1 Instruction Pointer register -           1 Flag register General purpose registers: AX Register (Accumulator):  This is accumulator register. It gets used in arithmetic, logic and data transfer instructions. In manipulation and division, one of the numbers involved must be in AX...
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WELCOME

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                                                           SREEPADA RAVIKUMAR                      Assistant Professor               M.V.S.R. Engineering College  A person who never made a mistake never tried anything new" - Albert Einstein Latest 1. Instruction Byte Queue 2. Pin Description of 8086                      UNIT I Additional Notes UNIT II Notes on Selected Topics  Memory Interfacing Complete solution to a question from December 2008 paper Applications of Microprocessors Microprocessors and Interfacing Notes :  Below are the links for chapterwise notes. Download and have a look. Unit I ...
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