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Section 3: Assembler
TI
-
89 / TI
-
92 Plus Sierra C Assembler Reference Manual
Not for Distribution
Beta Version February 2, 2001
Addressing Mode Syntax 68000/08/1
0
CPU32* 68020/30/40
*
Register Direct
Data Dn
✓✓ ✓
Address An
✓✓ ✓
Register Indirect
Address (An)
✓✓ ✓
Address with Postincrement (An)+
✓✓ ✓
Address with Predecrement –(An)
✓✓ ✓
Address with Displacement (d
16
,An)
✓✓ ✓
Address Register Indirect with Index
8-Bit Displacement (d
8
,An,Xn)
✓✓ ✓
Base Displacement (bd,An,Xn)
✓✓
Memory Indirect
Postindexed ([bd,An],Xn,od)
✓
Preindexed ([bd,An,Xn],od)
✓
Program Counter Indirect
with Displacement (d
16
,PC)
✓✓ ✓
Program Counter Indirect with Index
8-Bit Displacement (d
8
,PC,Xn)
✓✓ ✓
Base Displacement (bd,PC,Xn)
✓✓
Program Counter Memory Indirect
Postindexed ([bd,PC],Xn,od)
✓
Preindexed ([bd,PC,Xn],od)
✓
Absolute Data Addressing
Short (xxx).W
✓✓ ✓
Long (xxx).L
✓✓ ✓
Immediate #<data>
✓✓ ✓
*Not supported by Texas Instruments.
Notation: Dn = Data register d
8
= Byte displacement
An = Address register d
16
= Word displacement
PC = Program counter bd = Base displacement
Xn = Index register od = Outer displacement
xxx = Expression <data> = Immediate value
Table 3.11: Effective Addressing Modes
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