Register Addressing (R) - ZiLOG Z8 PLUS User Manual

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In the following definitions of Z8
working register, or working register pair, depending on the context.
NOTE: See the product data sheet for exact program and register memory types and address ranges
available.

REGISTER ADDRESSING (R)

In 8-bit Register Addressing mode, the operand value is equivalent to the contents of the specified register or
register pair.
In the Register Addressing (see Figure 2-1), the destination and/or source address specified corresponds to
the actual register in the current page of the register file.
8-Bit Register
File Address
One Operand
Instruction
(Example)
P
LUS
Addressing Modes, the use of register can also imply register pair,
Program Memory
dst
OpCode
Figure 2-1. 8-Bit Register Addressing
Points to
One Register
in the
Register
File
Register File
Operand