Panasonic MN103001G/F01K - Manual (Page 85)

Extension Instruction Specifications
3-29
[Flag Changes]
Flag Change Condition
V * Undefined
C * Undefined
N * Undefined
Z * Undefined
[Programming Cautions]
PSW updating by flag changes is delayed by one instruction.
However, Bcc and Lcc instructions can evaluate flags without waiting for flag reflection to PSW.
The operations of "udf08 imm8, Dn", "udf08 imm16, Dn" and "udf08 imm32, Dn" are not assured. In addition, a
system error interrupt does not occur in these cases.