Push - Renesas R8C/Tiny Series Software Manual

Chapter 3 Functions

PUSH

[ Syntax ]
PUSH.size (:format)
[ Operation ]
If the size specifier (.size) is (.B)
SP SP
M(SP) src
[ Function ]
• This instruction saves
[ Selectable src ]
*1 *1
R0L /R0 R0H /R1
*1 *1
A0/A0 A1/A1
dsp:8[A0] dsp:8[A1]
dsp:16[A0] dsp:16[A1]
dsp:20[A0] dsp:20[A1]
R2R0 R3R1
*1 Can be selected in G and S formats.
dest
In other cases,
[ Flag Change ]
Flag
U I O
Change
[ Description Example ]
PUSH.B #5
PUSH.W #100H
PUSH.B R0L
PUSH.W A0
[ Related Instructions ]
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
Save register/memory/immediate data
src
If the size specifier (.size) is (.W)
– 1 SP
M(SP)
src
to the stack area.
src
R1L/R2 R1H/R3
[A0] [A1]
dsp:8[SB] dsp:8[FB]
dsp:16[SB] abs16
abs20 #IMM
A1A0
can be selected in G format.
B S Z D C
POP, POPM, PUSHM
page 104 of 263
PUSH
[ Instruction Code/Number of Cycles ]
G , S (Can be specified)
B , W
SP – 2
src
3.2 Functions
PUSH
Page: 214