The Hello World Program on Assembly x86 run on macOS. Tested on M1 MacBook Pro running macOS BigSur 11.1.0.

hello_world.asm

; ----------------------------------------------------------------------------------------
; How to compile and run .asm files on macOS:
; ----------------------------------------------------------------------------------------
;
; 1. Download and open nasm-x.xx.xx-tar.gz from www.nasm.us
; 2. Open terminal and change directory to the opened folder
; 3. Enter the command "./configure" to run the configure script
; 4. Type in the "make" command to build nasm
; 5. Type in "sudo make install" to copy the built program to "/usr/bin/nasm"
; 6. Add this new directory to the paths file using "sudo nano /etc/paths"
; 7. Type in "nasm -ver" to confirm the installation.
; 8. Test the hello_world.asm file using:
; 	nasm -f macho64 hello_world.asm
; 	ld -macosx_version_min 10.7.0 -o hello_world hello_world.o
;  	./hello_world
; ----------------------------------------------------------------------------------------
; Writes "Hello, World" to the console using only system calls. Runs on 64-bit macOS only.
; ----------------------------------------------------------------------------------------

        global    start

        section   .text
start:
        mov       rax, 0x02000004         ; system call for write
        mov       rdi, 1                  ; file handle 1 is stdout
        mov       rsi, message            ; address of string to output
        mov       rdx, 13                 ; number of bytes
        syscall                           ; invoke operating system to do the write
        mov       rax, 0x02000001         ; system call for exit
        xor       rdi, rdi                ; exit code 0
        syscall                           ; invoke operating system to exit

          section   .data
message:  db        "Hello, World", 10      ; note the newline at the end