At the end of the day, the only example of successful QB30 hacking I could find was in the documentation of the obscure product Door Patch v3.7, apparently a collection of functions to create “BBS doors” in BASIC. In the readme attached to the archive, programmers Jeff Porter and Clint Labarthe describe how to patch the BRUN30.EXE runtime to make it keep the DTR signal of the serial port always active:
记忆技巧：找「更大」→ 弹掉 ≤ 当前的（栈顶保留比当前大的）；找「更小」→ 弹掉 ≥ 当前的；找「相等可接受」→ 用 < / ，否则用 <= / =。，这一点在体育直播中也有详细论述
，详情可参考下载安装汽水音乐
This data is ten years old, so I would expect these numbers to be higher today. (source)
3014245210http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142452.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142452.html11921 “中国游中国购”这样火起来（人民眼·提振消费），更多细节参见搜狗输入法下载
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