Renesas R8C/Tiny Series Software Manual page 190

Chapter 4 Instruction Codes/Number of Cycles
DIVU
(2) DIVU.size src
b7
0 1 1 1 0 1 1 SIZE 1 1
.size SIZE
.B 0
.W 1
Rn
An
[An]
[ Number of Bytes/Number of Cycles ]
src Rn
Bytes/Cycles
2/18
• If the size specifier (.size) is (.W), the number of cycles indicated is increased by 7.
• The number of cycles may decrease if an overflow occurs or depending on the value of the divisor or
dividend.
DIVX
(1) DIVX.size #IMM
b7
0 1 1 1 1 1 0 SIZE 1
.size SIZE
.B 0
.W 1
[ Number of Bytes/Number of Cycles ]
Bytes/Cycles
• The number of cycles may decrease if an overflow occurs or depending on the value of the divisor or
dividend.
• If the size specifier (.size) is (.W), the number of bytes and cycles indicated are increased by 1 and 6,
respectively.
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
b0 b7
0 0
src
R0L/R0
R0H/R1
R1L/R2
R1H/R3
A0
A1
[A0]
[A1]
An [An] dsp:8[An]
2/18 2/20 3/20
b0 b7
1 1 0 0 0 1 1
3/22
page 172 of 263
4.2 Instruction Codes/Number of Cycles
src code
b0
(
dsp8
SRC
dsp16/abs16
SRC
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]
3/20 4/20
b0
#IMM8
#IMM16
)
src
SRC
dsp:8[A0] 1 0 0 0
dsp:8[A1] 1 0 0 1
dsp:8[SB] 1 0 1 0
dsp:8[FB] 1 0 1 1
dsp:16[A0] 1 1 0 0
dsp:16[A1] 1 1 0 1
dsp:16[SB] 1 1 1 0
abs16 1 1 1 1
dsp:16[SB] abs16
4/20 4/20