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Source
Operation
Form
BCLR n, opr
Clear Bit n in M
BCS rel
Branch if Carry Bit Set (Same as BLO)
BEQ rel
Branch if Equal
Branch if Greater Than or Equal To
BGE opr
(Signed Operands)
Branch if Greater Than (Signed
BGT opr
Operands)
BHCC rel
Branch if Half Carry Bit Clear
BHCS rel
Branch if Half Carry Bit Set
BHI rel
Branch if Higher
Branch if Higher or Same
BHS rel
(Same as BCC)
BIH rel
Branch if IRQ Pin High
BIL rel
Branch if IRQ Pin Low
BIT #opr
BIT opr
BIT opr
BIT opr,X
Bit Test
BIT opr,X
BIT ,X
BIT opr,SP
BIT opr,SP
Branch if Less Than or Equal To
BLE opr
(Signed Operands)
BLO rel
Branch if Lower (Same as BCS)
BLS rel
Branch if Lower or Same
BLT opr
Branch if Less Than (Signed Operands)
BMC rel
Branch if Interrupt Mask Clear
BMI rel
Branch if Minus
BMS rel
Branch if Interrupt Mask Set
MC68HC908GP32
MC68HC08GP32
•
MOTOROLA
Freescale Semiconductor, Inc.
Table 10-1. Instruction Set Summary (Continued)
PC ← (PC) + 2 + rel ? (C) = 1
PC ← (PC) + 2 + rel ? (Z) = 1
PC ← (PC) + 2 + rel ? (N ⊕ V ) = 0
PC ← (PC) + 2 + rel ? (Z) | (N ⊕ V ) = 0 – – – – – – REL
PC ← (PC) + 2 + rel ? (H) = 0
PC ← (PC) + 2 + rel ? (H) = 1
PC ← (PC) + 2 + rel ? (C) | (Z) = 0
PC ← (PC) + 2 + rel ? (C) = 0
PC ← (PC) + 2 + rel ? IRQ = 1
PC ← (PC) + 2 + rel ? IRQ = 0
PC ← (PC) + 2 + rel ? (Z) | (N ⊕ V ) = 1 – – – – – – REL
PC ← (PC) + 2 + rel ? (C) = 1
PC ← (PC) + 2 + rel ? (C) | (Z) = 1
PC ← (PC) + 2 + rel ? (N ⊕ V ) = 1
PC ← (PC) + 2 + rel ? (I) = 0
PC ← (PC) + 2 + rel ? (N) = 1
PC ← (PC) + 2 + rel ? (I) = 1
Rev. 6
—
Central Processor Unit (CPU)
For More Information On This Product,
Go to: www.freescale.com
Description
V H I N Z C
Mn ← 0
– – – – – –
– – – – – – REL
– – – – – – REL
– – – – – – REL
– – – – – – REL
– – – – – – REL
– – – – – – REL
– – – – – – REL
– – – – – – REL
– – – – – – REL
0 – – ↕ ↕ –
(A) & (M)
– – – – – – REL
– – – – – – REL
– – – – – – REL
– – – – – – REL
– – – – – – REL
– – – – – – REL
Central Processor Unit (CPU)
Instruction Set Summary
Effect on
CCR
DIR (b0)
11
DIR (b1)
13
DIR (b2)
15
DIR (b3)
17
DIR (b4)
19
DIR (b5)
1B
DIR (b6)
1D
DIR (b7)
1F
25
27
90
92
28
29
22
24
2F
2E
IMM
A5
DIR
B5
EXT
C5
IX2
D5
IX1
E5
IX
F5
SP1
9EE5
SP2
9ED5
93
25
23
91
2C
2B
2D
Technical Data
dd
4
dd
4
dd
4
dd
4
dd
4
dd
4
dd
4
dd
4
rr
3
rr
3
rr
3
rr
3
rr
3
rr
3
rr
3
rr
3
rr
3
rr
3
ii
2
dd
3
hh ll
4
ee ff
4
ff
3
2
ff
4
ee ff
5
rr
3
rr
3
rr
3
rr
3
rr
3
rr
3
rr
3
157
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