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Addressing Mode
Register Direct
Data or Control Register
Address Register
Address Modifier Register
Address Offset Register
Address Register Indirect
No Update
Postincrement by 1
Postdecrement by 1
Postincrement by Offset Nn
Postdecrement by Offset Nn
Where: MMMM = Address Modifier
Indexed by Offset Nn
P = Program Reference
Predecrement by 1
S = Stack Reference
C = Program Control Unit Register Reference
D = Data ALU Register Reference
A = AGU Register Reference
X = X Memory Reference
Y = Y Memory Reference
L = L Memory Reference
XY = XY Memory Reference
6 - 22
INSTRUCTION GROUPS
Table 6-1 Addressing Modes Summary
Modifier
MMMM
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
INSTRUCTION SET INTRODUCTION
Operand Reference
P
S
C
D
A
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Y
L
XY
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
MOTOROLA
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