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3.4 Operand Address Addressing
The following methods are available to specify the register and memory (addressing) to undergo manipulation
during instruction execution.
3.4.1 Direct addressing
[Function]
The memory indicated by immediate data in an instruction word is directly addressed.
[Operand format]
Identifier
addr16
Label or 16-bit immediate data
[Description example]
MOV A, !FE00H; When setting !addr16 to FE00H
[Illustration]
CHAPTER 3
CPU ARCHITECTURE
Description
Instruction code
0
0
1
0
0
0
1
1
1
7
Opcode
addr16 (Low)
addr16 (High)
User's Manual U12978EJ3V0UD
0
1
0
0
1
Opcode
0
0
0
0
0
00H
1
1
1
1
0
FEH
0
Memory
51
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