CHAPTER 3 CPU ARCHITECTURE
Preliminary User’s Manual U16846EJ1V0UD
46
Figure 3-11. Data to Be Restored from Stack Memory
(a) POP rp instruction (when SP = FEDEH)
Register pair lower
FEE0H
SP
SP
FEE0H
FEDFH
FEDEH
Register pair upper
FEDEH
(b) RET instruction (when SP = FEDEH)
PC15-PC8
FEE0H
SP
SP
FEE0H
FEDFH
FEDEH
PC7-PC0
FEDEH
(c) RETI, RETB instructions (when SP = FEDDH)
PC15-PC8
PSW
FEDFH
FEE0H
SP
SP
FEE0H
FEDEH
FEDDH
PC7-PC0
FEDDH