Exception Status Flag (Ep); Figure 8-23: Exception Status Flag (Ep) - NEC V850E/CA2 JUPITER Preliminary User's Manual

8.5.3 Exception status flag (EP)

The EP flag is bit 6 of PSW, and is a status flag used to indicate that exception processing is in
progress. It is set when an exception occurs.
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PSW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 NP EP ID SAT CY OV S Z 00000020H
Bit Position Bit Name
6 EP
Chapter 8 Interrupt/Exception Processing Function

Figure 8-23: Exception Status Flag (EP)

Shows that exception processing is in progress.
0: Exception processing not in progress.
1: Exception processing in progress.
Preliminary User's Manual U15839EE1V0UM00
8 7 6 5 4 3 2 1 0
Function
Initial
value
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