Warning: Unsupported flag "--"!
Syntax for I2C-like access:
  isaset [OPTIONS] ADDRREG DATAREG ADDRESS VALUE [MASK]
Syntax for flat address space:
  isaset -f [OPTIONS] ADDRESS VALUE [MASK]
Options:
  -f	Enable flat address space mode
  -y	Assume affirmative answer to all questions
  -W	Write a word (16-bit) value
  -L	Write a long (32-bit) value