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3.4 Operand Address Addressing
The following methods (addressing) are available to specify the register and memory 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]
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[Description example]
MOV A, !FE00H; When setting !addr16 to FE00H
[Illustration]
CHAPTER 3 CPU ARCHITECTURE
Identifier
addr16
Label or 16-bit immediate data
Instruction code
7
addr16 (low)
addr16 (high)
Preliminary User's Manual U16898EJ1V0UD
Description
0
0
1
0
1
0
0
0
0
0
0
0
1
1
1
1
1
1
0
OP code
0
1
OP Code
0
0
00H
1
0
FEH
Memory
39