Pushm - Renesas R8C/Tiny Series Software Manual

Chapter 3 Functions

PUSHM

[ Syntax ]
PUSHM src
[ Operation ]
SP SP
M(SP) src
*1 Number of registers saved.
[ Function ]
• This instruction saves the registers selected by
• The registers are saved to the stack area in the following order:
[ Selectable src ]
R0 R1 R2 R3 A0 A1 SB FB
src
*2 More than one
[ Flag Change ]
Flag
U I O
Change
[ Description Example ]
PUSHM R0,R1,A0,SB,FB
[ Related Instructions ]
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
Save multiple registers
– N *1 2
R0 R1 R2 R3 A0 A1 SB FB
Saved sequentially beginning with FB
*2
src
can be chosen.
B S Z D C
POP, PUSH, POPM
page 107 of 263
PUSH Multiple
[ Instruction Code/Number of Cycles ]
src
collectively to the stack area.
3.2 Functions
PUSHM
Page: 217