OneCast might be a bit more popular than vDosPlus. We know about 1 link to it since March 2021 and only 1 link to vDosPlus. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
It sounds like you're using LPT1 directly (bypassing the Windows print manager, which makes sense here) and filling up the printer's buffer. I know next to nothing about NTVDM, so I don't have a software fix to recommend. You might be able to bypass the problem by using a productivity-focused DOS emulator like vDOS or vDOSPlus. You could also try hardware fixes: hunting down an old parallel printer buffer or... Source: about 3 years ago
Parallels is to emulate the entire Windows OS, so yeah, it can be used to stream Xbox games to your MacBook. The native way would be with an app called OneCast. Also, GamePass is browser-only on macOS, BTW. Source: over 3 years ago
DOSBox - DOSBox is a DOS-emulator that uses the SDL-library.
Xbox App - Finding gamers has never been easier.
vDos - vDos lets you conveniently run DOS applications by emulating a (spiced up) DOS PC in a window.
Parsec - Streams games locally or over the internet
FreeDOS - . creation tool just didn't feel up to the task. So, I created a new utility that may have better results.
Chiaki - Chiaki is an open source PS4 remote play client that has been designed to track everything related to your gameplay on your operating systems.