NEC PD78078 用户手册

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CHAPTER 5 CPU ARCHITECTURE

5.4.3 Direct addressing

[Function]

The memory indicated by immediate data in an instruction word is directly addressed.

[Operand format]

Identifier

Description

addr16

Label or 16-bit immediate data

[Description example]

MOV A, !0FE00H; when setting !addr16 to FE00H

Operation code

1 0 0 0 1 1 1 0

OP code

0 0 0 0 0 0 0 0

00H

1 1 1 1 1 1 1 0

FEH

[Illustration]

OP code

addr16 (higher)

Memory

addr16 (lower)