On 9/28/21 8:37 PM, John Herron via cctalk wrote: > For those of you who wrote your own editors. How did you display special > ASCII characters? Years ago, In highschool I tried writing a hex editor (in > qbasic so this may have been the problem) but when display anything that > had a function like chr 07 it would activate instead of display. I gave up > since I couldn't figure it out other than writing directly to video memory. > > On Tue, Sep 28, 2021, 8:13 PM Van Snyder via cctalk <cctalk@classiccmp.org> > wrote: > >> On Tue, 2021-09-28 at 15:49 -0700, Guy Sotomayor via cctalk wrote: >>> Since EMACS has a full programming language (elisp), you can write >>> anything you want in it (mail readers, browsers, calendar apps, other >>> editors, etc) >> >> Years ago, one of my colleagues showed me a pocket reference card >> jesting about "hello world." >> >> At the end of the description of "GNU hello" was a remark "and like any >> self-respecting program, it has a built-in mail reader."
Mine was in assembly and Ctrol-V signified a literal character, no matter what it was. Wordstar has a similar feature, IIRC. Of course, all of the I/O string handling was count+data, not "delimeted by null", so that made it easier. --Chuck
