from typing import Tuple


def split_off_address(line: str) -> Tuple[str, str]:
    """Split e.g. 'beqz $r0,1f0' into 'beqz $r0,' and '1f0'."""
    parts = line.split(",")
    if len(parts) < 2:
        parts = line.split(None, 1)
        if len(parts) < 2:
            parts.append("")
    off = len(line) - len(parts[-1].strip())
    return line[:off], line[off:]