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-rw-r--r--cpu/instructions/execution_control/iretde.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/cpu/instructions/execution_control/iretde.txt b/cpu/instructions/execution_control/iretde.txt
index 9e13fa5..9f1ed76 100644
--- a/cpu/instructions/execution_control/iretde.txt
+++ b/cpu/instructions/execution_control/iretde.txt
@@ -10,5 +10,7 @@ Effect:
PR is set to OPRDE
Will be considered to be in the previous exception handler
+ Only takes effect after all other writes are complete
+
Exceptions:
`Invalid operation` if not currently executing a double excetion handler