we[?] [nNsxX] [arg] extend write operations (insert instead of replace)

Usage: write extend
  • wen <num> insert num null bytes at current offset
  • weN <addr> <len> insert bytes at address
  • wes <addr> <dist> <block_size> shift a blocksize left or write in the editor
  • wex <hex_bytes> insert bytes at current offset
  • weX <addr> <hex_bytes> insert bytes at address