May 2024
Intermediate to advanced
889 pages
30h 8m
English
book
The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
by Lyla B. Das
Content preview from The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
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PROGRAMMING CONCEPTS–II 3-45
KEY POINTS OF THIS CHAPTER
l BIOS and DOS function calls facilitate the use of input and output devices in
programming, making it interactive and more fun.
l The instruction set of 8086 can be divided into groups based on functionality.
l MOV is the most frequently used instruction and it is part of the data transfer group.
l LEA is an instruction that copies the offset of a memory address to a 16-bit register.
It can be used to make the register be a pointer to an array of data items in memory.
l PUSH and POP can be used only with the stack segment.
l The SS register contains the upper 16 bits of the lowest (base) ...
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