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Chapter 4 Instruction Code/Number of Cycles
4.2 Instruction Code/Number of Cycles
SBJNZ
(1) SBJNZ.size #IMM, dest, label
1111100
SIZE
IMM4 DEST
label codedest code
dsp8
)
dsp16/abs16
dsp8
dsp:16[SB]
5/5 5/5
abs16dsp:8[An]
4/5
dsp:16[An]dsp:8[SB/FB]
4/5 5/5
An
3/53/33/3
[An]Rn
dest
dest
dsp:8[A0]
dsp:8[A1]
dsp:8[SB]
dsp:8[FB]
dsp:16[A0]
dsp:16[A1]
dsp:16[SB]
abs16
dest
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Rn
[An]
dsp:8[An]
dsp:8[SB/FB]
dsp:16[An]
dsp:16[SB]
abs16
R0L/R0
R0H/R1
R1L/R2
R1H/R3
A0
A1
[A0]
[A1]
An
DESTDEST
1000
1001
1010
1011
1100
1101
1110
1111
0
–1
–2
–3
–4
–5
–6
–7
#IMM IMM4
IMM4
#IMM
+8
+7
+6
+5
+4
+3
+2
+1
.size
.B
.W
SIZE
0
1
dsp8(label code) = address indicated by label – (start address of instruction + 2)
b7 b0 b7 b0
0000
0001
0010
0011
0100
0101
0110
0111
[ Number of Bytes/Number of Cycles ]
(
Bytes/Cycles
*1 If branched to label, the number of cycles above is increased by 4.
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