CHAPTER 7 INTERRUPTION/EXCEPTION PROCESSING FUNCTION
290
User’s Manual U14359EJ4V0UM
7.4.3 Exception status flag (EP)
The EP flag is bit 6 of the PSW, and is a status flag used to indicate that exception processing is in progress. It is
set when an exception occurs.
31
0
PSW
After reset
00000020H
7
NP
6
EP
5
ID
4
SAT
3
CY
2
OV
1
S Z
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit Position
Bit Name
Function
6
EP
Exception Pending
Shows that exception processing is in progress.
0: Exception processing not in progress.
1: Exception processing in progress.