Evolution of Microprocessor

Evolution of Microprocessor: Microprocessor has turned into the brain of millions of gadgets, since year 1971 i.e. devoid of microprocessors these wonderful innovations of millions of gadgets would have not been possible. Now come have a look at the gadgets in which the microprocessors are playing an imperative role from more than 40 long years. Business Calculator: A business calculator was invented in the year 1971. The Unicom 141P business calculator was out of the foremost gadgets that feature a microprocessor. Commodore PET:...

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Memory Access(8086 Assembler Tutorial for Beginners)

Memory Access To access memory we can use these four registers: BX, SI, DI, BP. Combining these registers inside [ ] symbols, we can get different memory locations. These combinations are supported (addressing modes) d8 - stays for 8 bit displacement. d16 - stays for 16 bit displacement. Displacement can be a immediate value or offset of a variable, or even both. It's up to compiler to calculate a single immediate value. Displacement can be...

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8086 Assembler Tutorial for Beginners

8086 Assembler Tutorial for Beginners(PART-1)  This tutorial is intended for those who are not familiar with assembler at all, or have a very distant idea about it. Of course if you have knowledge of some other programming language (Basic, C/C++, Pascal...) that may help you a lot. But even if you are familiar with assembler, it is still a good idea to look through this document in order to study emu8086 syntax. It is assumed that you have...

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