NEC PD78078 用户手册

8-bit immediate data is added to the contents of the base register, that is, the HL register pair, and the sum is used

to address the memory.  The HL register pair to be accessed is in the register bank specified with the register

bank select flags (RBS0 and RBS1).  Addition is performed by expanding the offset data as a positive number

to 16 bits.  A carry from the 16th bit is ignored.  This addressing can be carried out for all the memory spaces.

Identifier

Description

—

[HL + byte]

 MOV A, [HL + 10H];  when setting byte to 10H

Operation code

1 0 1 0 1 1 1 0

0 0 0 1 0 0 0 0