Table 2.13 Effective Address Calculation
Addressing Mode and Instruction Format
Register direct (Rn)
Register indirect (@ERn)
Register indirect with post-increment or
pre-decrement
•Register indirect with post-increment @ERn+
•Register indirect with pre-decrement @-ERn
Rev. 2.00, 05/03, page 52 of 820
Effective Address Calculation
General register contents
General register contents
Sign extension
General register contents
1, 2, or 4
General register contents
1, 2, or 4
Operand Size
Byte
Word
Longword
Effective Address (EA)
Operand is general register contents.