Renesas R8C/Tiny Series Software Manual page 123

Chapter 3 Functions
PUSHC
[ Syntax ]
PUSHC src
[ Operation ]
SP SP –
M(SP) src *1
src
*1 When is SP or when the U flag = "0" and
[ Function ]
• This instruction saves the control register indicated by
[ Selectable src ]
*2
FB SB SP ISP FLG INTBH INTBL
*2 Operation is performed on the stack pointer indicated by the U flag.
[ Flag Change ]
Flag U I O
Change
[ Description Example ]
PUSHC SB
[ Related Instructions ]
Save control register
PUSH Control register
2
src
B S Z D C
POPC,LDC,STC,LDINTB
[ Instruction Code/Number of Cycles ]
src
is ISP, the SP before being subtracted by 2 is saved.
src
to the stack area.
106
3.2 Functions
PUSHC
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