So, I am trying to understand how the Radio Shack  debugger / Assembler
manages to set breakpoints.
Anyone familiar with how to do that?

In CP/M, the debuggers use RST7.  RST7 opcode is placed into the program to
trigger the debugger.

In M100, such a trick can't work.     So, how does the debugger interrupt
the program?

Also, ZBG.BA, ZBG.CO and the manual seem to be missing from net.  Can't
find them anywhere but via the archive:

https://web.archive.org/web/20111117155020/http://www.xibalba.com/website100/software.html

maybe we need to post these up at club100.

Steve

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