Bitmap.txt

Live value info layout; switch on # of leading zeros

┏━┯━┯━┯━┯━┯━┯━┯━┯━┯━┯━┯━┯━┯━┯━┯━┓
┃F┊E┊D┊C┊B┊A┊9┊8┊7┊6┊5┊4┊3┊2┊1┊0┃ Bit#
┡━┿━┷━┷━┷━┷━┿━┿━┷━┷━┷━┷━┷━┷━┷━┷━┩
│1│ BaseReg │±┊  Signed offset  │ Locate in memory
├─┴─┬───────┴─┴─────────────────┤
│0 1│     Bits, 1 per word      │ References in memory
├───┴─┬─┬───────────────────────┤
│0 0 1│±┊     Signed offset     │ Add to in-memory offset
├─────┴─┼───────────────────────┤
│0 0 0 1│           -           │ Reserved
├───────┴─┬───┬─────────────────┤
│0 0 0 0 1│RHi│ Bits, 1 per reg │ In register(s); RHi selects registers in up to 4 banks of 8
├─────────┴─┬─┴─────────────────┤
│0 0 0 0 0 1│         -         │ Reserved
├───────────┴─┬─────────────────┤
│0 0 0 0 0 0 1│        -        │ Reserved
├─────────────┴─┬───────────────┤
│0 0 0 0 0 0 0 1│       -       │ Reserved
├───────────────┴─┬─────────────┤
│0 0 0 0 0 0 0 0 1│      -      │ Reserved
├─────────────────┴─┬───────────┤
│0 0 0 0 0 0 0 0 0 1│     -     │ Reserved
├───────────────────┴─┬─────────┤
│0 0 0 0 0 0 0 0 0 0 1│    -    │ Reserved
├─────────────────────┴─┬───────┤
│0 0 0 0 0 0 0 0 0 0 0 1│   -   │ Reserved
├───────────────────────┴─┬─────┤
│0 0 0 0 0 0 0 0 0 0 0 0 1│  -  │ Reserved
├─────────────────────────┴─┬───┤
│0 0 0 0 0 0 0 0 0 0 0 0 0 1│ - │ Reserved
├───────────────────────────┴─┬─┤
│0 0 0 0 0 0 0 0 0 0 0 0 0 0 1│-│ Reserved
├─────────────────────────────┴─┤
│0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1│ Reserved
├───────────────────────────────┤
│0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0│ End of list
└───────────────────────────────┘