extrn ExitProcess : proc
extrn MessageBoxA : proc

.const
    MAX equ 0FFFFFFFFFFFFFFFFh
    TRUE equ 1
    FALSE equ 0
    NULL equ 0
    X equ 'X' ;58h
    MINUS16 equ NOT 0Fh ;0FFFFFFFFFFFFFFF0h (-16)
    MsgTitle equ "Error", 0

    ;MessageBoxA
    MB_ICONERROR equ 00000000000000010h

.data
    szCaption db MsgTitle
    szText db "ethical.blue Magazine", NULL

.code
Main proc
    sub rsp, 28h

    mov r9, MB_ICONERROR
    lea r8, szCaption
    lea rdx, szText
    xor rcx, rcx
    call MessageBoxA
    
    xor rcx, rcx
    call ExitProcess
Main endp
end