2 Description Maps the R1 input to the A output. Uses OPCODE parity to mux either the R2 input (even parity) or the RW_S input, here acting as a small immediate value, to the B output. romContent Width 5 In Description Register 1 value from regbank Label R1 Bits 16 In Description Register 2 value from regbank Label R2 Bits 16 Multiplexer Bits 16 In Description Register 2 selector Label R2_S Bits 3 In Description Immediate mode on? Label IM_M Out Description Output A Label A Bits 16 Out Description Output B Label B Bits 16 Splitter Input Splitting 3,13 Output Splitting 16 Ground Bits 13