• src/doors/knkgen/Makefile knkgen.c

    From Deuc¿@VERT to Git commit to main/sbbs/master on Friday, July 24, 2026 22:28:47
    https://gitlab.synchro.net/main/sbbs/-/commit/be23f38f87846f4be35ece3e
    Added Files:
    src/doors/knkgen/Makefile knkgen.c
    Log Message:
    Add accurate Kannons & Katapults key generator

    Add knkgen to reproduce the registration calculation recovered from the QuickBASIC 3 executable.

    Match QBSERIAL name normalization, x87 extended-precision square roots, QuickBASIC INT behavior, and the original BBS/sysop field ordering.

    Also account for DOSBox 0.74's premature truncation of 80-bit operands. Generate and bit-verify a compatible decimal spelling when it differs from
    the standard x87/MSEM87 registration value.

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