Renesas R8C/Tiny Series Software Manual page 96

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 1, this instruction generates an overflow interrupt. If the flag is 0, the next instruction is
executed.
• The overflow interrupt is a nonmaskable interrupt.
[ 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 ]
Interrupt on overflow
INTerrupt on Overflow
2
+ 1) , FLG
H
2
+ 1)
ML
)
16
B S Z D C
BRK,INT
[ 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 on the left.
79
3.2 Functions
INTO
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