Renesas R8C/Tiny Series Software Manual page 97

Chapter 3 Functions
INTO
[ Syntax ]
INTO
[ Operation ]
SP SP –
M(SP) (PC
SP SP
M(SP) (PC
PC M(FFFE0
[ Function ]
• If the O flag is set to 1, this instruction generates an overflow interrupt. If the flag is cleared to 0, the
next instruction is executed.
• The overflow interrupt is nonmaskable.
[ Flag Change ]
Flag
U I O
Change
Conditions
U : The flag is cleared.
I : The flag is cleared.
D : The flag is cleared.
[ Description Example ]
INTO
[ Related Instructions ]
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
Interrupt on overflow
INTerrupt on Overflow
2
+ 1) , FLG
H
– 2
+ 1)
ML
)
16
B S Z D C
BRK, INT
page 79 of 263
[ Instruction Code/Number of Cycles ]
*1 The flags are saved to the stack area before the INTO
instruction is executed. After the interrupt, the flags
change state as shown at left.
3.2 Functions
INTO
Page: 182