My jWasm copy hasn't got any lib,inc,etc within the package, don't know if there's a zip with all included... If it is so, I think that really this is what it need to be one of the main asm compilers out there. I have used it few times, but seems to be great... just this little detail, that would make it in one of my favorites :t.
PD: [var] instead of "var" because somehow you must tell the compiler that you want the value of the variable, not its direction, or add the classic OFFSET.