anchor.diff:  ' compile,    0  DD set-token
   ' behavior    0  DE set-token 
   
  -' start0             0  F0 set-token
  -' start1             0  F1 set-token
  -' start2             0  F2 set-token
  -' start4             0  F3 set-token
  -
  -' ferror             0  FC set-token
  -' version1           0  FD set-token
  -
  -\ ' 4-byte-id        0  FE set-token    \ Historical
  -' end1               0  FF set-token
  -
  -\ ' dma-alloc   0 101 set-token 
  +\ Tokens 0xDF to 0xEF are reserved
  +
  +' start0            0  F0 set-token
  +' start1            0  F1 set-token
  +' start2            0  F2 set-token
  +' start4            0  F3 set-token
  +
  +\ Tokens 0xF4 to 0xFB are reserved
  +
  +' ferror            0  FC set-token
  +' version1          0  FD set-token
  +
  +\ ' 4-byte-id       0  FE set-token    \ Historical, not supported
  +' end1              0  FF set-token
  +
  +\                   0 100 set-token    \ reserved
  +\ ' dma-alloc       0 101 set-token    \ Obsolete
   ' my-address        0 102 set-token 
   ' my-space          0 103 set-token
  +\ ' memmap          0 104 set-token    \ Obsolete
  +\ ' free-virtual    0 105 set-token    \ TODO
  +\ ' >physical       0 106 set-token    \ Obsolete
  +
  +\ Tokens 0x107 to 0x10e are reserved
  +
  +\ ' my-params       0 10f set-token    \ Obsolete
   ' property          0 110 set-token
   ' encode-int        0 111 set-token
   ' encode+           0 112 set-token
  
positive.code: ' encode-string     0 114 set-token
  ' encode-bytes      0 115 set-token
  ' reg               0 116 set-token
  ' model             0 119 set-token    
  ' device-type       0 11A set-token
  ' parse-2int        0 11B set-token
  ' is-install        0 11C set-token
  
negative.code: ' lwflip            0 226 set-token 
  ' lbflip            0 227 set-token 
  ' lbflips           0 228 set-token
  \ ' adr-mask        0 229 set-token       \ Historical, not supported
  
  \ Tokens 0x22A to 0x22F are reserved
  
  ' rb@               0 230 set-token
  ' rb!               0 231 set-token
  fc-set-normal-mmio-tokens                 \ Set rw@, rw!, rl@, rl!, rx@ and rx!
  
  ' wbflips           0 236 set-token 
  ' lwflips           0 237 set-token 
  \ ' probe           0 238 set-token       \ Obsolete
  \ ' probe-virtual   0 239 set-token       \ Obsolete
  \                   0 23A reserved
  ' child             0 23B set-token
  ' peer              0 23C set-token
  