about push pop instruction

[JiaDuo]

I test push and pop instruction，some issue confuse me. ​

push cc #cc = 0 ​

​when cc=0，and cc is push to stack，the value in stack is 0x28，this mean I1 I0 is set，why？

​

​

pop cc​ #cc=0 ​

when​ cc in stack is 0x2b，after pop，cc change to be 0x3 ，this mean I1 I0 is cleared auto，why？

​

the behave is correct？Please help me.

thanks.​

[mikechambers84]

This is very likely incorrect behavior. I was just learning STM8 as I was writing this. Let me look at the datasheets and the code again, I probably made a mistake.