Btstc - Renesas R8C/Tiny Series Software Manual

Chapter 3 Functions

BTSTC

[ Syntax ]
BTSTC dest
[ Operation ]
________
Z dest
C dest
dest 0
[ Function ]
• This instruction transfers the inverted value of
dest
to the C flag. Then it stores 0 in
[ Selectable dest ]
[ Flag Change ]
Flag
U I O
Change
Conditions
Z : The flag is set when
C : The flag is set when
[ Description Example ]
BTSTC flag
BTSTC 4,Ram
BTSTC 16,Ram:16[SB]
BTSTC [A0]
[ Related Instructions ]
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
Test bit and clear
Bit TeST and Clear
B S Z D C
dest
is 0; otherwise cleared.
dest
is 1; otherwise cleared.
BCLR, BSET, BNOT, BNTST, BTST, BTSTS
page 59 of 263
[ Instruction Code/Number of Cycles ]
dest
to the Z flag and the non-inverted value of
dest
.
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]
3.2 Functions
BTSTC
Page: 159
dest
bit,R2 bit,R3
[A0] [A1]
bit,base:8[SB] bit,base:8[FB]
bit,base:16[SB] bit,base:16