General Purpose Register 0 General Purpose Register 1 General Purpose Register 2 General Purpose Register 3 General Purpose Register 4 General Purpose Register 5 General Purpose Register 6 General Purpose Register 7 General Purpose Register 8 General Purpose Register 9 General Purpose Register 10 General Purpose Register 11 General Purpose Register 12 General Purpose Register 13 General Purpose Register 14 General Purpose Register 15 General Purpose Register 16 General Purpose Register 17 General Purpose Register 18 General Purpose Register 19 General Purpose Register 20 General Purpose Register 21 General Purpose Register 22 General Purpose Register 23 General Purpose Register 24 General Purpose Register 25 General Purpose Register 26 General Purpose Register 27 General Purpose Register 28 General Purpose Register 29 General Purpose Register 30 General Purpose Register 31 Floating-Point Register 0 Floating-Point Register 1 Floating-Point Register 2 Floating-Point Register 3 Floating-Point Register 4 Floating-Point Register 5 Floating-Point Register 6 Floating-Point Register 7 Floating-Point Register 8 Floating-Point Register 9 Floating-Point Register 10 Floating-Point Register 11 Floating-Point Register 12 Floating-Point Register 13 Floating-Point Register 14 Floating-Point Register 15 Floating-Point Register 16 Floating-Point Register 17 Floating-Point Register 18 Floating-Point Register 19 Floating-Point Register 20 Floating-Point Register 21 Floating-Point Register 22 Floating-Point Register 23 Floating-Point Register 24 Floating-Point Register 25 Floating-Point Register 26 Floating-Point Register 27 Floating-Point Register 28 Floating-Point Register 29 Floating-Point Register 30 Floating-Point Register 31 Integer Exception Register (XER) Integer Exception Register Link Register (LR) Link Register Count Register (CTR) Count Register DAE/ Source Instruction Service Register (DSISR) DAE/ Source Instruction Service Register Data Address Register (DAR) Data Address Register Decrement Register (DEC) Decrement Register Save and Restore Register 0 (SRR0) Save and Restore Register 0 Save and Restore Register 1 (SRR0) Save and Restore Register 1 External Interrupt Enable (EIE) External Interrupt Enable External Interrupt Disable (EID) External Interrupt Disable Non-Recoverable Interrupt (NRI) Non-Recoverable Interrupt SPR General 0 (SPRG0) SPR General 0 SPR General 1 (SPRG1) SPR General 1 SPR General 2 (SPRG2) SPR General 2 SPR General 3 (SPRG3) SPR General 3 Time Base Lower - Write (TBL) Time Base Lower - Write Time Base Upper - Write (TBU) Time Base Upper - Write Processor Version Register (PVR) Processor Version Register I-Cache Control and Status Register (ICCST) I-Cache Control and Status Register I-Cache Address Register (ICADR) I-Cache Address Register I-Cache Data Port (ICDAT) I-Cache Data Port Floating-Point Exception Cause Register (FPECR) Floating-Point Exception Cause Register Comparator A Value Register (CMPA) Comparator A Value Register Comparator B Value Register (CMPB) Comparator B Value Register Comparator C Value Register (CMPC) Comparator C Value Register Comparator D Value Register (CMPD) Comparator D Value Register Exception Cause Register (ECR) Exception Cause Register Debug Enable Register (DER) Debug Enable Register Breakpoint Counter A Value and Control (COUNTA) Breakpoint Counter A Value and Control Breakpoint Counter B Value and Control (COUNTB) Breakpoint Counter B Value and Control Comparator E Value Register (CMPE) Comparator E Value Register Comparator F Value Register (CMPF) Comparator F Value Register Comparator G Value Register (CMPG) Comparator G Value Register Comparator H Value Register (CMPH) Comparator H Value Register L-Bus Support Comparators Control (LCTRL1) L-Bus Support Comparators Control L-Bus Support Comparators Control (LCTRL2) L-Bus Support Comparators Control I-Bus Suupport Control Register (ICTRL) I-Bus Suupport Control Register Breakpoint Address Register (BAR) Breakpoint Address Register Development Port Data Register (DPDR) Development Port Data Register Time Base Lower - Read (TBL) Time Base Lower - Read Time Base Upper - Read (TBU) Time Base Upper - Read Time Base Lower - Write Time Base Upper - Write Machine State Register Count Register Floating-Point Status and Control Register Memory Control Base Register 0 Memory Control Option Register 0 Memory Control Base Register 1 Memory Control Option Register 1 Memory Control Base Register 2 Memory Control Option Register 2 Memory Control Base Register 3 Memory Control Option Register 3 Dual Mapping Base Register Dual Mapping Option Register Reset Status Register System Protection Control Register