Central Processor Unit (CPU)
Technical Data
MC68HC08AZ32A — Rev 1.0
86
Central Processor Unit (CPU)
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MOTOROLA
BCC
rel
Branch if Carry Bit Clear
PC
←
(PC) + 2 + rel (C) = 0
– – – – – – REL
24
rr
3
BCLR
n
,
opr
Clear Bit n in M
Mn
←
0
– – – – – –
DIR
(b0)
DIR
(b1)
DIR
(b2)
DIR
(b3)
DIR
(b4)
DIR
(b5)
DIR
(b6)
DIR
(b7)
11
13
15
17
19
1B
1D
1F
dd
dd
dd
dd
dd
dd
dd
dd
4
4
4
4
4
4
4
4
BCS
rel
Branch if Carry Bit Set (Same as
BLO)
PC
←
(PC) + 2 +
rel
(C) = 1
– – – – – – REL
25
rr
3
BEQ
rel
Branch if Equal
PC
←
(PC) + 2 +
rel
(Z) = 1
– – – – – – REL
27
rr
3
BGE
opr
Branch if Greater Than or Equal
To (Signed Operands)
PC
←
(PC) + 2 +
rel
(N
⊕
V
) = 0
– – – – – – REL
90
rr
3
BGT
opr
Branch if Greater Than (Signed
Operands)
PC
←
(PC) + 2 +
rel
(Z)
| (N
⊕
V
) =
0
– – – – – – REL
92
rr
3
BHCC
rel
Branch if Half Carry Bit Clear
PC
←
(PC) + 2 +
rel
(H) = 0
– – – – – – REL
28
rr
3
BHCS
rel
Branch if Half Carry Bit Set
PC
←
(PC) + 2 +
rel
(H) = 1
– – – – – – REL
29
rr
3
BHI
rel
Branch if Higher
PC
←
(PC) + 2 +
rel
(C) | (Z) = 0
– – – – – – REL
22
rr
3
BHS
rel
Branch if Higher or Same
(Same as BCC)
PC
←
(PC) + 2 +
rel
(C) = 0
– – – – – – REL
24
rr
3
BIH
rel
Branch if IRQ Pin High
PC
←
(PC) + 2 +
rel
IRQ = 1
– – – – – – REL
2F
rr
3
BIL
rel
Branch if IRQ Pin Low
PC
←
(PC) + 2 +
rel
IRQ = 0
– – – – – – REL
2E
rr
3
BIT #
opr
BIT
opr
BIT
opr
BIT
opr
,X
BIT
opr
,X
BIT ,X
BIT
opr
,SP
BIT
opr
,SP
Bit Test
(A) & (M)
0 – –
–
IMM
DIR
EXT
IX2
IX1
IX
SP1
SP2
A5
B5
C5
D5
E5
F5
9E
E5
9E
D5
ii
dd
hh
ll
ee
ff
ff
ff
ee
ff
2
3
4
4
3
2
4
5
BLE
opr
Branch if Less Than or Equal To
(Signed Operands)
PC
←
(PC) + 2 +
rel
(Z)
| (N
⊕
V
) =
1
– – – – – – REL
93
rr
3
BLO
rel
Branch if Lower (Same as BCS)
PC
←
(PC) + 2 +
rel
(C) = 1
– – – – – – REL
25
rr
3
BLS
rel
Branch if Lower or Same
PC
←
(PC) + 2 +
rel
(C) | (Z) = 1
– – – – – – REL
23
rr
3
BLT
opr
Branch if Less Than (Signed
Operands)
PC
←
(PC) + 2 +
rel
(N
⊕
V
) =
1
– – – – – – REL
91
rr
3
Table 6-1. Instruction Set Summary (Continued)
Source
Form
Operation
Description
Effect on
CCR
A
M
O
O
C
V H I N Z C
F
Freescale Semiconductor, Inc.
n
.