Zilog Z8F0130 Instrukcja Użytkownika Pobierz pdf (Strona 59)

100

101

eZ8

™

CPU Core

User Manual

UM012820-0810 Addressing Modes

Immediate Data Addressing

Immediate data, addressing symbol IM, is considered an addressing mode

for this discussion. It is the only addressing mode that does not indicate a

instruction is the value supplied in the operand field itself. Because an

immediate operand is part of the instruction, it is always located in the

Program Memory address space (see Figure 16).

Figure 16. Immediate Data Addressing

Program Memory

Two Operand

Instruction

(Example)

Op Code

dst

Immediate

Data

12-bit address is

{RP[3:0], dst[7:0]}

Destination

8-bit data written

to Destination

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 313 314

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