IAR Embedded Workbench for RL78 5.20IAR AssemblerAssembler operatorsDescription of assembler operatorsBYTE3 Third byteBYTE3 Third byteIn this section: Precedence2DescriptionBYTE3 takes a single operand, which is interpreted as an unsigned 32-bit integer value. The result is the middle-high byte (bits 23 to 16) of the operand.ExampleBYTE3 0x12345678 –> 0x34