RL78/G13 CHAPTER 3 CPU ARCHITECTURE
R01UH0146EJ0100 Rev.1.00 155
Sep 22, 2011
3.4.3 Direct addressing
[Function]
Direct addressing uses immediate data in the instruction word as an operand address to directly specify the target
address.
[Operand format]
Identifier Description
ADDR16 Label or 16-bit immediate data (only the space from F0000H to FFFFFH is specifiable)
ES: ADDR16 Label or 16-bit immediate data (higher 4-bit addresses are specified by the ES register)
Figure 3-35. Example of ADDR16
Target memory
OP code
Memory
Low Addr.
High Addr.
FFFFFH
F0000H
Figure 3-36. Example of ES:ADDR16
OP code
Memory
Low Addr.
High Addr.
FFFFFH
00000H
Target memory
ES
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