NEC 78K/0 Series - Manual (Page 103)

CHAPTER 5 EXPLANATION OF INSTRUCTIONS
103 User's Manual U12326EJ4V0UM
Pop
POP
Pop
[Instruction format] POP dst
[Operation] When dst = rp When dst = PSW
dst
L
← (SP), dst ← (SP)
dst H
← (SP+1), SP ← SP+1
SP ← SP+2
[Operand]
Mnemonic Operand(dst)
POP PSW
rp
[Flag]
dst =rp PSW
Z AC CY Z AC CY
R R R
[Description]
• Data is returned from the stack to the register specified by the destination operand (dst).
• When the operand is PSW, each flag is replaced with stack data.
• None of interrupts are acknowledged between the POP PSW instruction and the subsequent instruction.
[Description example]
POP AX; The stack data is returned to the AX register.