Renesas R8C/Tiny Series, Software Manual, Page: 118 / 297

101
Chapter 3 Functions
3.2 Functions
POP
Restore register/memory
[ Flag Change ]
POP.B R0L
POP.W A0
[ Related Instructions ] PUSH,POPM,PUSHM
[ Selectable dest ]
POP POP
[ Function ]
• This instruction restores dest from the stack area.
dest
R0L
*1
/R0 R0H
*1
/R1 R1L/R2 R1H/R3
A0/ A0 *1 A1/ A1 *1 [A0] [A1]
dsp:8[A0] dsp:8[A1] dsp:8[SB] dsp:8[FB]
dsp:16[A0] dsp:16[A1] dsp:16[SB] abs16
dsp:20[A0] dsp:20[A1] abs20
R2R0 R3R1 A1A0
[ Description Example ]
[ Syntax ]
POP.size (:format) dest
G , S (Can be specified)
B , W
[ Operation ]
*1 Can be selected in G and S formats.
In other cases,
dest
can be selected in G format.
U I O B S Z D C
[ Instruction Code/Number of Cycles ]
Page=211
Flag
Change
If the size specifier (.size) is (.W)
dest M(SP)
SP SP + 2
If the size specifier (.size) is (.B)
dest M(SP)
SP SP + 1