Method CopyProtection_EncodeInput

Source/CopyProtection.cpp:202–223

}

void cFodder::CopyProtection_EncodeInput() {
    int16 bx = mInput[0] & 0xFF;
    int16 cx = 0;

    for (auto& Character : mInput) {
        cx -= bx;

        if (Character == -1)
            return;

    rollLoop:;

        bx = (bx << 8) | (bx >> 8);

        Character ^= (bx & 0xFF);
        Character ^= (cx & 0xFF);
        --Character;

        if (Character == -1)
            goto rollLoop;
    }
}