MOTOROLA
6-270
INSTRUCTION GLOSSARY
CPU16
REFERENCE MANUAL
6.4 Instruction Set Summary
The following table is a summary of the CPU16 instruction set. Because it is only af-
fected by a few instructions, the LSB of the condition code register is not shown in the
table — instructions that affect the interrupt mask and PK field are noted.
Table 6-36 Instruction Set Summary
Mnemonic
Operation
Description
Address
Instruction
Condition Codes
Mode
INH
INH
INH
INH
INH
INH
IND8, X
IND8, Y
IND8, Z
IMM8
IND16, X
IND16, Y
IND16, Z
EXT
E, X
E, Y
E, Z
IND8, X
IND8, Y
IND8, Z
IMM8
IND16, X
IND16, Y
IND16, Z
EXT
E, X
E, Y
E, Z
IND8, X
IND8, Y
IND8, Z
IMM16
IND16, X
IND16, Y
IND16, Z
EXT
E, X
E, Y
E, Z
IMM16
IND16, X
IND16, Y
IND16, Z
EXT
IND8, X
IND8, Y
IND8, Z
IMM8
IND16, X
IND16, Y
IND16, Z
EXT
E, X
E, Y
E, Z
Opcode
370B
374F
375F
376F
3722
3723
43
53
63
73
1743
1753
1763
1773
2743
2753
2763
C3
D3
E3
F3
17C3
17D3
17E3
17F3
27C3
27D3
27E3
83
93
A3
37B3
37C3
37D3
37E3
37F3
2783
2793
27A3
3733
3743
3753
3763
3773
41
51
61
71
1741
1751
1761
1771
2741
2751
2761
Operand
—
—
—
—
—
—
ff
ff
ff
ii
gggg
gggg
gggg
hh ll
—
—
—
ff
ff
ff
ii
gggg
gggg
gggg
hh ll
—
—
—
ff
ff
ff
jj kk
gggg
gggg
gggg
hh ll
—
—
—
jj kk
gggg
gggg
gggg
hh ll
ff
ff
ff
ii
gggg
gggg
gggg
hh ll
—
—
—
Cycles
2
2
2
2
2
4
6
6
6
2
6
6
6
6
6
6
6
6
6
6
2
6
6
6
6
6
6
6
6
6
6
4
6
6
6
6
6
6
6
4
6
6
6
6
6
6
6
2
6
6
6
6
6
6
6
S
—
—
—
—
—
—
—
MV
—
—
—
—
—
H
—
—
—
—
—
EV
—
—
—
—
—
N
—
—
—
—
—
Z
—
—
—
—
—
V
—
—
—
—
—
C
—
—
—
—
—
ABA
ABX
ABY
ABZ
ACE
ACED
ADCA
Add B to A
Add B to IX
Add B to IY
Add B to IZ
Add E to AM
Add E : D to AM
Add with Carry to A
(A )
+
(B)
A
(XK : IX)
+
(000 : B)
XK : IX
(YK : IY) + (000 : B)
YK : IY
(ZK : IZ)
+
(000 : B)
ZK : IZ
(AM[31:16])
+
(E)
AM
(AM)
+
(E : D)
AM
(A)
+
(M)
+
C
A
ADCB
Add with Carry to B
(B)
+
(M)
+
C
B
—
—
—
ADCD
Add with Carry to D
(D)
+
(M
:
M
+
1)
+
C
D
—
—
—
—
ADCE
Add with Carry to E
(E)
+
(M
:
M
+
1)
+
C
E
—
—
—
—
ADDA
Add to A
(A)
+
(M)
A
—
—
—
F
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