Easy to get up and running in days
For the Spectrum implementation, performed as a successive step, I provided much more information in the markdown file, like, the kind of rendering I wanted in the RGB buffer, and how it needed to be optional so that embedded devices could render the scanlines directly as they transferred them to the ST77xx display (or similar), how it should be possible to interact with the I/O port to set the EAR bit to simulate cassette loading in a very authentic way, and many other desiderata I had about the emulator.
，这一点在夫子中也有详细论述
the first append allocates a backing store of length 4 from the stack.，这一点在旺商聊官方下载中也有详细论述
HTMLMediaElement: playbackRate property — MDN Web Docs