Doesn't offer a free trial
DECSTBM doesn’t work because of our unicode half-block shenanigans. We’re squeezing two pixels into each terminal character, and so we want to be able to “scroll” in half-pixels; our scroll needs to turn lower half blocks into upper half blocks when we’re moving vertically. That operation just doesn’t exist.
，这一点在旺商聊官方下载中也有详细论述
Doing this "in one pass" sounds easy, but this can cause your
Jasper.ai offers a free trial