Renesas R8C/Tiny Series Software Manual page 260

Chapter 4 Instruction Codes/Number of Cycles
XCHG
(1) XCHG.size
b7
0 1 1 1 1 0 1 SIZE 0
.size SIZE
.B
0 R0L/R0
.W
1 R0H/R1
R1L/R2
R1H/R3
Rn
An
[An]
[ Number of Bytes/Number of Cycles ]
dest
Rn
2/4
Bytes/Cycles
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
src, dest
b0 b7
0 SRC
src
SRC
0 0
0 1
1 0
1 1
dest
R0L/R0
R0H/R1
R1L/R2
R1H/R3
A0
A1
[A0]
[A1]
An [An] dsp:8[An]
2/4 2/5 3/5
page 242 of 263
4.2 Instruction Codes/Number of Cycles
dest code
b0
(
dsp8
DEST
dsp16/abs16
DEST
0 0 0 0
dsp:8[An]
0 0 0 1
0 0 1 0
dsp:8[SB/FB]
0 0 1 1
0 1 0 0
dsp:16[An]
0 1 0 1
0 1 1 0 dsp:16[SB]
0 1 1 1 abs16
dsp:8[SB/FB] dsp:16[An]
3/5
)
dest
dsp:8[A0]
dsp:8[A1]
dsp:8[SB]
dsp:8[FB]
dsp:16[A0]
dsp:16[A1]
dsp:16[SB]
abs16
dsp:16[SB]
4/5 4/5
DEST
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
abs16
4/5