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:
Pakistan and India
，这一点在快连下载安装中也有详细论述
Musician Letty Stott plays a replica of a carnyx to Fraser Hunter, presenter Alice Roberts and Gary Trimble during filming for Digging for Britain
Unexpected errors should use ERROR or FATAL log messages because they indicate a real problem. At best, they indicate an incorrect assumption. At worst, there’s a serious bug somewhere.
Two standard models make this concrete: