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Ask HN: Modern Version of MS Codeview?

by cable2600·3y ago·3 comments·view on hn ↗
Codeview was a debugger that debugged DOS files and could step forward and backward in code. It was used by me to crack Lotus 123 2.0 copy protection so it could be run on Netware drives. It is very useful. What do you use for that now?

https://www.pcmag.com/encyclopedia/term/codeview

3 comments
GNU Debugger allows for prefixing some commands with `r` to run in reverse mode. Examples are [c]ontinue => [rc] and [s]tep => [rs].
See "reversible debugging".