code: function LSR() {
  		var value = modRead();
  
  		flagN = 0;
  		flagC = ( value & 0x01 ) && 1;
  		var result = write( (value >>> 1) & 0xff );
  		flagZ = +( result === 0 );
  	}
docs: Logical Shift Right.
  Opcodes: 0x4a, 0x46, 0x56, 0x4e, 0x5e