class RPicSim::Storage::MemoryInt16

Represents a signed 16-bit variable.

Public Instance Methods

size() click to toggle source
# File lib/rpicsim/storage/memory_integer.rb, line 120
def size
  2
end
value() click to toggle source
# File lib/rpicsim/storage/memory_integer.rb, line 124
def value
  val = @memory.read_byte(@address) + 256 * @memory.read_byte(@address + 1)
  val -= 0x10000 if val >= 0x8000
  val
end
value=(val) click to toggle source
# File lib/rpicsim/storage/memory_integer.rb, line 130
def value=(val)
  check_value val, -0x8000...0x8000
  @memory.write_byte(@address, val & 0xFF)
  @memory.write_byte(@address + 1, (val >> 8) & 0xFF)
end