INSTRUCTION GROUPS6 - 22 INSTRUCTION SET INTRODUCTION MOTOROLA
Addressing Mode Modifier
MMMM
Operand Reference
PSCDA X Y L XY
Register Direct
Data or Control Register
Address Register
Address Modifier Register
Address Offset Register
No
No
No
No
XXX
X
X
Address Register Indirect
No Update
Postincrement by 1
Postdecrement by 1
Postincrement by Offset Nn
Postdecrement by Offset Nn
Indexed by Offset Nn
Predecrement by 1
No
Yes
Yes
Yes
Yes
Yes
Yes
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Table 6-1 Addressing Modes Summary
Where: MMMM = Address Modifier
P = Program Reference
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