Samsung 8-Bit Manual do Utilizador descarregar pdf (Página 45)

S3C9228/P9228 ADDRESSING MODES

3-5

INDIRECT REGISTER ADDRESSING MODE (Continued)

dst

OPCODE

OPERAND

4-Bit

Working

Register

Address

Point to the

Woking Register

(1 of 16)

Sample Instruction:

OR R6, @R2

Program Memory

Register File

src

4 LSBs

Value used in

Instruction

OPERAND

CFH

C0H

.

.

.

.

Figure 3-5. Indirect Working Register Addressing to Register File

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 461 462

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