HD6475328-CP10 Datasheet, PDF (351/459 Pages) Hitachi Semiconductor – original Hitachi CMOS microcomputer unit (MCU)

A.2 Instruction Codes
Table A-1 shows the machine-language coding of each instruction.
• How to read table A-1 (a) to (d)
The general operand format consists of an effective address (EA) field and operation-code (OP)
field specified in the following order.
EA field
Op field
1
2
3
4
5
6
Bytes 2, 3, 5, 6 are not present in all instructions.
342