Module: Amaterasu::Utils::BitOps

Included in:
GameBoy::Cpu::Instructions::CbBit, GameBoy::Cpu::Instructions::CbRes, GameBoy::Cpu::Instructions::CbRl, GameBoy::Cpu::Instructions::CbRlc, GameBoy::Cpu::Instructions::CbRr, GameBoy::Cpu::Instructions::CbRrc, GameBoy::Cpu::Instructions::CbSet, GameBoy::Cpu::Instructions::CbSla, GameBoy::Cpu::Instructions::CbSra, GameBoy::Cpu::Instructions::CbSrl, GameBoy::Cpu::Instructions::CbSwap, GameBoy::Cpu::Instructions::Rotate, GameBoy::Cpu::Registers, GameBoy::Ppu
Defined in:
lib/amaterasu/utils/bit_ops.rb

Overview

Bit Operation utility module.

Class Method Summary collapse

Class Method Details

.bit(value, pos) ⇒ Object 



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# File 'lib/amaterasu/utils/bit_ops.rb', line 17

def bit(value, pos)
  (value >> pos) & 1
end

.clear_bit(value, pos) ⇒ Object 



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# File 'lib/amaterasu/utils/bit_ops.rb', line 13

def clear_bit(value, pos)
  value & ~(1 << pos)
end

.set_bit(value, pos) ⇒ Object 



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# File 'lib/amaterasu/utils/bit_ops.rb', line 9

def set_bit(value, pos)
  value | (1 << pos)
end