"""Build a Commodore 16 .prg (loaded + run via MAME quickload / on real HW)."""
from __future__ import annotations

from .viewer import assemble

_EXTS = (".prg", ".p00")


def export_prg(conv, output_path, source_path=None, display="forever",
               seconds=0, video="ntsc"):
    if not output_path.lower().endswith(_EXTS):
        output_path += ".prg"
    prg = assemble.build_prg(bytes(conv.data))
    with open(output_path, "wb") as f:
        f.write(prg)
    return output_path