Modern x86 assembly language programming source code

Can I learn x64 assembly language?

Yes you can but you need a good project to learn else its very boring to read through manuals plus you wont have any hands on experience on debugging assembly program which is very important. One project which I can suggest which I did myself was implementing Stack overflow by injecting x64 code.

How to learn assembly language?

How To Learn Assembly Language? A functional assembler must first be installed. You will need to write assembly code for the second part. The third step is to assemble the code. The fourth step is to run it. Every time you do so

What are the x86 instruction formats?

The x86 instruction set supports three formats for the IMUL instruction: one operand, two operands, and three oper- ands. In the one-operand format, the multiplier and multiplicand are the same size and the prod- uct is twice their size.