Ha my instant memory just seeing the word "qmodem" goes back so many decades? If Zmodem isn't available, choose Qmodem because Xmodem is slow as heck with ack

Ha my instant memory just seeing the word "qmodem" goes back so many decades? If Zmodem isn't available, choose Qmodem because Xmodem is slow as heck with ack after each packet I'm sure someone has a simulator around the web somewhere but not quite that nostalgic