cpabort
Copy-Paste Abort
Aborts any in-progress copy-paste operation, discarding any pending copy target set by a previous Copy instruction.
Details
Aborts any in-progress copy-paste operation initiated by a previous Copy instruction, discarding the pending copy buffer and resetting the copy-paste state. This is a privileged Base instruction that has no operands and does not modify any condition or status registers.
Pseudocode Operation
CopyPasteState ← ABORT
Programming Note
Use cpabort to safely terminate an ongoing copy-paste sequence, preventing any subsequent paste operations from completing with the reserved data. This is useful in error handling scenarios where a copy operation needs to be aborted without allowing further processing of the copied data. Ensure that cpabort is called at the appropriate privilege level and consider its impact on performance if used frequently.