3 direct addressing – NEC 78K/0 Series User Manual
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CHAPTER 3 ADDRESSING
User's Manual U12326EJ4V0UM
3.2.3 Direct addressing
[Function]
Direct addressing directly addresses the memory indicated by the immediate data in the instruction word.
[Operand format]
Identifier
Description
addr16
Label or 16-bit immediate data
[Description example]
MOV A, !FE00H; When setting !addr16 to FE00H
[Illustration]
Instruction 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
Memory
0
7
OP code
addr16 (lower)
addr16 (upper)