Panasonic MN1030 用户手册

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Chapter 12   List of  Machine Language Instructions
228  Addressing Modes
Register relative indirect addressing 
Register relative indirect addressing determines the address to access using the following three 
combinations.
1. An address register, An, plus a sign-extended 8-bit or 16-bit displacement or the stack pointer
register, SP, plus a zero-extended 8-bit or 16-bit displacement.
2. An address register, An, or the stack pointer register, SP, plus a 32-bit displacement.
RAM
0
31
An/SP
0
31
31
0
d16/d8
16
0
 +
Address specification
sign-extended
RAM
0
31
An/SP
0
31
d32
31
0
 +
Address specification