Operand Address Addressing; Direct Addressing - NEC 78K0S/KA1+ User Manual

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]
Identifier
addr16 Label or 16-bit immediate data
[Description example]
MOV A, !0FE80H; When setting !addr16 to FE80H
Instruction code
[Illustration]
CHAPTER 3 CPU ARCHITECTURE
Description
0 0 1 0
1 0 0 0
1 1 1 1
7
OP code
addr16 (low)
addr16 (high)
User's Manual U16898EJ3V0UD
1 0 0 1 OP code
0 0 0 0 80H
1 1 1 0 FEH
0
Memory
41