Renesas R8C/Tiny Series Software Manual page 138

Chapter 3 Functions
SSTR
[ Syntax ]
SSTR.size
[ Operation ] *1
When size specifier (.size) is (.B)
Repeat
M(A1)
A1
R3
Until
*1 If R3 is set to 0, this instruction is ignored.
[ Function ]
• This instruction stores a string with the data to be stored indicated by R0, the transfer address indi-
cated by A1, and the transfer count indicated by R3.
• When the instruction is completed, A0 or A1 contains the next address after the last-written data.
• If an interrupt request is received during instruction execution, the interrupt is acknowledged after one
data transfer is completed.
[ Flag Change ]
U I O
Flag
Change
[ Description Example ]
SSTR.B
[ Related Instructions ]
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
R0L
A1 + 1
R3 – 1
R3 = 0
B S Z D C
SMOVB, SMOVF
page 120 of 263
Store string
String SToRe
[ Instruction Code/Number of Cycles ]
B , W
When size specifier (.size) is (.W)
Repeat
M(A1)
A1
R3
Until
3.2 Functions
SSTR
Page: 231
R0
A1 + 2
R3 – 1
R3 = 0