Zilog Z8F0130 - Manual (Page 41)

eZ8
™
CPU Core
User Manual
UM012820-0810 Address Space
26
An overflow or underflow can occur when stack address is incremented
or decremented beyond the available address space. This occurrence must
be prevented otherwise it results in an unpredictable operation.
Figure 7. Stack Operations
PC[15:8]
PC[7:0]
Top of Stack Flags
PC[15:8]
PC[7:0]
Top of Stack
Stack Contents
After an
Interrupt or Trap
Stack Contents
After a
Call Instruction