Top "Microprocessors" questions

A microprocessor incorporates the functions of a computer's central processing unit (CPU) on a single integrated circuit (IC).

Instruction decoding when instructions are length-variable

Here are some instructions and their corresponding encodings: 55 push %ebp 89 e5 mov %esp,%ebp 83 ec 18 sub $0x18,%esp a1 0c 9…

assembly cpu-architecture microprocessors
What does it mean by MOV D D?

In assembly language, instruction MOV A B means moving the content of B (source) to A (destination). I suddenly came …

assembly microprocessors 8085
Compare bits in assembly

How can I compare two bits if they are equal or not in 8051? I need to jump if two bits …

assembly 8051 microprocessors
Direction Flag in x86

I am unable to understand how does the direction flag work in x86. The text in my lectures say that …

assembly x86 microprocessors eflags