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CHAPTER 3 CPU ARCHITECTURE
User’s Manual U15104EJ2V0UD
3.4.3 Direct addressing
[Function]
The memory with immediate data in an instruction word is directly addressed.
[Operand format]
Symbol
Description
addr16
Label or 16-bit immediate data
[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]
7
0
OP code
addr16 (low order)
addr16 (high order)
Memory
Содержание mPD178053
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