Reverse Bottle Adventure
RBA Explorer
item on C‑Right → picks the byte
Bits 5, 6 and 7 can never be set.
Whatever they held is wiped on the first write and cannot be put back. That is where every permanent loss comes from.
the six writable values, in binary
bottle on B
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
dec
what this byte loses for good
bit
holds
after an RBA write