Assembly - The Netwide Assembler (nasm)

nasm is an assembler that will compile assembly code in machine instruction.

Assembly - Grammar (Syntax).

; Instruction Destination, Source
; example
mov ax, 9
; move/load the decimal value 9 into the ax register

More see https://en.wikibooks.org/wiki/X86_Assembly/NASM_Syntax

nasm -f format script.asm -o script

where:

• -f option specifies the file format of the final output file. The value can be:
  • bin: pure machine code without any metadata such as in ELF
  • ELF

• bits (by default 16-bit mode).

bits 32

• https://www.nasm.us/
• https://www.nasm.us/xdoc/2.14/html/nasmdoc0.html