
Central Processor Unit (CPU)
Instruction Set Summary
MC68HC08AZ60 — Rev 1.0
MOTOROLA
Central Processor Unit (CPU)
75
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
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,X
BIT ,X
BIT opr,SP
Bit Test
(A) & (M)
0 –– –
IMM
DIR
EXT
IX2
IX1
IX
SP1
SP2
A5
B5
C5
D5
E5
F5
9EE5
9ED5
ii
dd
hh ll
ee ff
ff
ee ff
2
3
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
BMC rel
Branch if Interrupt Mask Clear
PC
← (PC) + 2 + rel ? (I) = 0
–– –– –– REL
2C
rr
3
BMI rel
Branch if Minus
PC
← (PC) + 2 + rel ? (N) = 1
–– –– –– REL
2B
rr
3
BMS rel
Branch if Interrupt Mask Set
PC
← (PC) + 2 + rel ? (I) = 1
–– –– –– REL
2D
rr
3
Table 1. Instruction Set Summary (Continued)
Source
Form
Operation
Description
Effect on
CCR
Addr
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Opc
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Ope
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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