MC68HC908JK1 Datasheet, PDF (63/210 Pages) Motorola, Inc – MC68HC908JK1

Central Processor Unit (CPU)
Opcode Map
Table 6-1. Instruction Set Summary
Source
Form
Operation
Description
Effect on
CCR
VH I NZC
CMP #opr
CMP opr
CMP opr
CMP opr,X
CMP opr,X
CMP ,X
CMP opr,SP
CMP opr,SP
Compare A with M
(A) – (M)
IMM
DIR
EXT
¤
–
–
¤
¤
¤ ^IX2
IX1
IX
SP1
SP2
COM opr
COMA
COMX
COM opr,X
COM ,X
COM opr,SP
Complement (One’s Complement)
M ← (M) = $FF – (M)
A ← (A) = $FF – (M)
X ← (X) = $FF – (M)
M ← (M) = $FF – (M)
M ← (M) = $FF – (M)
M ← (M) = $FF – (M)
DIR
INH
0
–
–
¤
¤
1
INH
IX1
IX
SP1
CPHX #opr
CPHX opr
Compare H:X with M
(H:X) – (M:M + 1)
¤
–
–
¤
¤
¤ ^IMM
DIR
CPX #opr
CPX opr
CPX opr
CPX ,X
CPX opr,X
CPX opr,X
CPX opr,SP
CPX opr,SP
Compare X with M
(X) – (M)
IMM
DIR
EXT
¤
–
–
¤
¤
¤ ^IX2
IX1
IX
SP1
SP2
DAA
Decimal Adjust A
(A)₁₀
U – – ¤ ¤ ¤ INH
A ← (A) – 1 or M ← (M) – 1 or X ← (X) –
DBNZ opr,rel
DBNZA rel
DBNZX rel
Decrement and Branch if Not Zero
DBNZ opr,X,rel
DBNZ X,rel
DBNZ opr,SP,rel
1
PC ← (PC) + 3 + rel ? (result) ≠ 0
PC ← (PC) + 2 + rel ? (result) ≠ 0
PC ← (PC) + 2 + rel ? (result) ≠ 0
PC ← (PC) + 3 + rel ? (result) ≠ 0
PC ← (PC) + 2 + rel ? (result) ≠ 0
PC ← (PC) + 4 + rel ? (result) ≠ 0
DIR
INH
– – – – – – INH
IX1
IX
SP1
DEC opr
DECA
DECX
DEC opr,X
DEC ,X
DEC opr,SP
Decrement
M ← (M) – 1
A ← (A) – 1
X ← (X) – 1
M ← (M) – 1
M ← (M) – 1
M ← (M) – 1
DIR
INH
¤
–
–
¤
¤
–
INH
IX1
IX
SP1
DIV
Divide
A ← (H:A)/(X)
H ← Remainder
– – – – ¤ ¤ INH
A1 ii
2
B1 dd 3
C1 hh ll 4
D1 ee ff 4
E1 ff
3
F1
2
9EE1 ff
4
9ED1 ee ff 5
33 dd 4
43
1
53
1
63 ff
4
73
3
9E63 ff
5
65 ii ii+1 3
75 dd 4
A3 ii
2
B3 dd 3
C3 hh ll 4
D3 ee ff 4
E3 ff
3
F3
2
9EE3 ff
4
9ED3 ee ff 5
72
2
3B
4B
5B
6B
7B
9E6B
dd rr
rr
rr
ff rr
rr
ff rr
5
3
3
5
4
6
3A dd 4
4A
1
5A
1
6A ff
4
7A
3
9E6A ff
5
52
7
MC68H(R)C908JL3 — Rev. 1.0
MOTOROLA
Central Processor Unit (CPU)
Technical Data
63