Armasm64

The Microsoft ARM assembler. The armasm64 assembler creates COFF object code for ARM64 and ARM64EC targets.

Program

    EXPORT _start

    AREA .text, CODE
_start PROC
    mov     x1, #0
    svc     #44
    ENDP

    END
armasm64 -machine arm64 program.asm -o program.obj
link program.obj /ENTRY:_start /SUBSYSTEM:windows