# GPR pane

The GPR pane displays the contents, in hexadecimal form, of the all the general-purpose and most of the system-control machine registers. For more information about working with registers, see the following topic:

> Working with registers

Colored fields designate register values that have changed since the last step.

The GPR pane identifies each general-purpose register by the number of the register. For the system-control regisers, the GPR pane uses one of the following abbreviations:

- CR: Condition Status register
- MSR: Machine State register
- CTR: Count register
- MQ: Multiplier Quotient register
- IAR: Instruction Address register
- XER: Fixed Point Exception register
- LR: Link register

Note: The FPR pane displays the Floating-Point Status register.

## Related topics:

> FPR pane

> Status pane