Appendix B Operation Code Map - Hitachi H8/3152 Hardware Manual

Table B.1 is a map of the operation codes contained in the first byte of the instruction code (bits 15
to 8 of the first instruction word).
Some pairs of instructions have identical first bytes. These instructions are differentiated by the
most significant bit (MSB) of the second byte (bit 7 of the first instruction word).
Instruction when MSB of the second byte (bit 7 of first instruction word) is 0.
Instruction when MSB of the second byte (bit 7 of first instruction word) is 1.

Appendix B Operation Code Map

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