Renesas R8C/Tiny Series Software Manual page 66

Chapter 3 Functions
BM Cnd
[ Syntax ]
BM Cnd dest
[ Operation ]
if true then dest
else dest
[ Function ]
• This instruction transfers the true or false value of the condition indicated by
condition is true, 1 is transferred; if false, 0 is transferred.
• There are following kinds of
Cnd
Condition
GEU/C C=1 Equal to or greater than
C flag is 1.
EQ/Z Z=1 Equal to
Z flag is 1.
____
GTU C Z=1 Greater than
PZ S=0 Positive or zero
A
GE S O=0 Equal to or greater than
(signed value)
A
GT (S O) Z=0 Greater than (signed value)
O O=1 O flag is 1.
[ Selectable dest ]
[ Flag Change ]
U I O
Flag
Change
[ Description Example ]
BMN 3,Ram:8[SB]
BMZ C
[ Related Instructions ]
Conditional bit transfer
Bit Move Condition
1
0
Cnd
.
Expression
0
B S Z D C
*1
Cnd
J
[ Instruction Code/Number of Cycles ]
Cnd
LTU/NC C=0
= NE/NZ Z=0
____
LEU C Z=0
N S=1
A
LE (S O) Z=1 Equal to or smaller than
A
LT S O=1
NO O=0
bit,R0 bit,R1
bit,A0 bit,A1
base:8[A0] base:8[A1]
base:16[A0] base:16[A1]
C bit,base:11[SB]
*1 The flag changes if you specified the C flag for
49
3.2
BM Cnd
Cnd
to
Condition Expression
Smaller than
C flag is 0.
Not equal
Z flag is 0.
Equal to or smaller than
Negative
(signed value)
Smaller than (signed value)
O flag is 0.
dest
bit,R2 bit,R3
[A0] [A1]
bit,base:8[SB] bit,base:8[FB]
bit,base:16[SB] bit,base:16
Functions
Page=152
dest
. If the
≠
0
dest
.