DOS ain't dead - binhack, bytefix

binhack, bytefix (Announce)

posted by Rugxulo , Usono, 01.02.2025, 00:14

> patcherfcb(patchfcb) is a program to (reverse) apply (binary) patch from
> output of DOS command "fc /b".
> It is forked from http://seanriddle.com/patcherfcb.c with some fixes, and I
> added reverse-patching function to it.

I had my own BINHACK.C on MetaDOS, with examples, that worked similarly, primarily run via DJGPP build of PICOC.

I also wrote a much-smaller BYTEFIX program in NASM to only change one byte at a time. It was 512 bytes.

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Complete thread:

patcherfcb - roytam, 18.01.2025, 04:08 (Announce)
- patcherfcb - DosWorld, 18.01.2025, 14:48
- binhack, bytefix - Rugxulo, 01.02.2025, 00:14
  - binhack, bytefix - roytam, 01.02.2025, 00:26
    - binhack, bytefix - Rugxulo, 22.02.2025, 21:37
      - binhack, bytefix - roytam, 23.02.2025, 03:37
- patcherfcb - DosWorld, 03.02.2025, 18:24