參數(shù)資料
型號: UPD178F124
英文描述: 78K/0 Series for Instructions | User's Manual[10/2001]
中文描述: 78K線/ 0系列說明|用戶手冊[10/2001]
文件頁數(shù): 6/129頁
文件大小: 644K
代理商: UPD178F124
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
103
User's Manual U12326EJ4V0UM
Pop
POP
Pop
[Instruction format]
POP dst
[Operation]
When dst = rp
When dst = PSW
dstL
← (SP),
dst
← (SP)
dstH
← (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
RRR
[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.
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