Guide To This Chapter - Renesas R8C/Tiny Series Software Manual

Chapter 2 Addressing Modes

2.2 Guide to This Chapter

An example illustrating how to read this chapter is shown below.
(1)
Address register relative
dsp:8[A0]
(2)
dsp:8[A1]
dsp:16[A0]
dsp:16[A1]
(3)
(4)
(1) Name
The name of the addressing mode.
(2) Symbol
The symbol representing the addressing mode.
(3) Description
A description of the addressing operation and the effective address range.
(4) Operation diagram
A diagram illustrating the addressing operation.
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
The value indicated by the displace-
ment (dsp) plus the content of the
address register (A0/A1)—added
without the sign bits—is the effective
address for the operation.
However, if the addition results in a
value exceeding 0FFFF
16
and above are ignored, and the
address returns to 00000
page 23 of 263
A0 / A1
, bits 17
.
16
2.2 Guide to This Chapter
Memory
Register
dsp
address