2 In Description Data bus in Label Din Bits 16 Out Description Read register 1 data out Label D1 Bits 16 Out Description Read register 2 data out Label D2 Bits 16 Multiplexer Selector Bits 3 Bits 16 Ground rotation Bits 16 Tunnel rotation NetName Q1 Tunnel rotation NetName Q2 Tunnel rotation NetName Q3 Tunnel rotation NetName Q4 Tunnel rotation NetName Q5 Tunnel rotation NetName Q6 Ground rotation Bits 16 In Description Write register input enable Label RW_IE Multiplexer Selector Bits 3 Bits 16 Ground rotation Bits 16 Tunnel rotation NetName Q1 Tunnel rotation NetName Q2 Tunnel rotation NetName Q3 Tunnel rotation NetName Q4 Tunnel rotation NetName Q5 Tunnel rotation NetName Q6 Ground rotation Bits 16 In Description Write register select Label RW_S Bits 3 In Description Clock Label CLK In Description Read register 1 select Label R1_S Bits 3 Tunnel NetName Din Tunnel NetName RW_IE Register valueIsProbe true Label RA Bits 16 Tunnel rotation NetName Din Tunnel rotation NetName CLK Tunnel NetName Q1 And Tunnel rotation NetName RW_IE Tunnel rotation NetName RW_A Register valueIsProbe true Label RB Bits 16 Tunnel rotation NetName Din Tunnel rotation NetName CLK Tunnel NetName Q2 And Tunnel rotation NetName RW_IE Tunnel rotation NetName RW_B Register valueIsProbe true Label RC Bits 16 Tunnel rotation NetName Din Tunnel rotation NetName CLK Tunnel NetName Q3 And Register valueIsProbe true Label RD Bits 16 Tunnel rotation NetName Din Tunnel rotation NetName CLK Tunnel NetName Q4 And Tunnel rotation NetName RW_IE Tunnel rotation NetName RW_D Register valueIsProbe true Label PA Bits 16 Tunnel rotation NetName Din Tunnel rotation NetName CLK Tunnel NetName Q5 And Tunnel rotation NetName RW_IE Tunnel rotation NetName RW_PA Register valueIsProbe true Label PB Bits 16 Tunnel rotation NetName Din Tunnel rotation NetName CLK Tunnel NetName Q6 And Tunnel rotation NetName RW_IE Tunnel rotation NetName RW_PB Ground rotation Bits 16 Ground rotation Bits 16 Tunnel rotation NetName RW_IE Tunnel rotation NetName RW_C Decoder Selector Bits 3 In Description Read register 2 select Label R2_S Bits 3 Tunnel NetName CLK Tunnel NetName RW_A Tunnel NetName RW_B Tunnel NetName RW_C Tunnel NetName RW_D Tunnel NetName RW_PA Tunnel NetName RW_PB Testcase Testdata CLK Din RW_IE RW_S R1_S R2_S D1 D2 # store and read from RA works C 0xF 1 1 0 X X X C 0 0 0 1 X 0xF X C 0x5 1 1 1 X 0x5 X C 0 0 0 1 X 0x5 X # zero register read and write C 0xA 1 0 0 X 0 X