MC908AP8CFBE Datasheet, PDF (62/324 Pages) Freescale Semiconductor, Inc – Microcontrollers

Central Processor Unit (CPU)
Table 4-1. Instruction Set Summary
Source
Form
Operation
Description
Effect on
CCR
VH I NZC
BIT #opr
BIT opr
BIT opr
BIT opr,X
BIT opr,X
BIT ,X
BIT opr,SP
BIT opr,SP
Bit Test
(A) & (M)
IMM
DIR
EXT
0
–
–
o
o
–
IX2
IX1
IX
SP1
SP2
A5 ii
2
B5 dd 3
C5 hh ll 4
D5 ee ff 4
E5 ff
3
F5
2
9EE5 ff
4
9ED5 ee ff 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
BNE rel
Branch if Not Equal
PC ← (PC) + 2 + rel ? (Z) = 0 – – – – – – REL
26 rr
3
BPL rel
Branch if Plus
PC ← (PC) + 2 + rel ? (N) = 0 – – – – – – REL
2A rr
3
BRA rel
Branch Always
PC ← (PC) + 2 + rel
– – – – – – REL
20 rr
3
BRCLR n,opr,rel Branch if Bit n in M Clear
PC ← (PC) + 3 + rel ? (Mn) = 0
DIR (b0) 01 dd rr 5
DIR (b1) 03 dd rr 5
DIR (b2) 05 dd rr 5
–
–
–
–
–
o
DIR (b3)
DIR (b4)
07
09
dd rr 5
dd rr 5
DIR (b5) 0B dd rr 5
DIR (b6) 0D dd rr 5
DIR (b7) 0F dd rr 5
BRN rel
Branch Never
PC ← (PC) + 2
– – – – – – REL
21 rr
3
BRSET n,opr,rel Branch if Bit n in M Set
PC ← (PC) + 3 + rel ? (Mn) = 1
DIR (b0) 00 dd rr 5
DIR (b1) 02 dd rr 5
DIR (b2) 04 dd rr 5
–
–
–
–
–
o
DIR (b3)
DIR (b4)
06
08
dd rr 5
dd rr 5
DIR (b5) 0A dd rr 5
DIR (b6) 0C dd rr 5
DIR (b7) 0E dd rr 5
BSET n,opr
Set Bit n in M
Mn ← 1
DIR (b0) 10 dd 4
DIR (b1) 12 dd 4
DIR (b2) 14 dd 4
–
–
–
–
–
–
DIR (b3)
DIR (b4)
16
18
dd
dd
4
4
DIR (b5) 1A dd 4
DIR (b6) 1C dd 4
DIR (b7) 1E dd 4
MC68HC908AP Family Data Sheet, Rev. 4
62
Freescale Semiconductor