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CHAPTER 3 ADDRESSING
User’s Manual U11047EJ3V0UM00
33
3.2 Addressing of Operand Address
The following methods are available to specify the register and memory (addressing) which undergo manipulation
during instruction execution.
3.2.1 Direct addressing
[Function]
This addressing directly addresses a memory to be manipulated with immediate data in an instruction word.
[Operand format]
Operand
Description
addr16
Label or 16-bit immediate data
[Description example]
MOV A, !FE00H; When setting !addr16 to FE00H
Instruction code
0
0
1
0
1
0
0
1
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 (lower)
Memory
addr16 (higher)
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