Rainbow-electronics ATmega161L Manual do Utilizador descarregar pdf (Página 15)

15

ATmega161(L)

1228C–AVR–08/02

Data Indirect with

Displacement

Figure 13. Data Indirect with Displacement

Operand address is the result of the Y- or Z-register contents added to the address con-

tained in six bits of the instruction word.

Data Indirect Figure 14. Data Indirect Addressing

Operand address is the contents of the X-, Y-, or Z-register.

Data Indirect with Pre-

decrement

Figure 15. Data Indirect Addressing with Pre-decrement

The X-, Y-, or Z-register is decremented before the operation. Operand address is the

decremented contents of the X-, Y-, or Z-register.

Data Space

$0000

$FFFF

Y OR Z - REGISTER

OP an

0

05610

15

15

Data Space

$0000

$FFFF

X, Y, OR Z - REGISTER

015

Data Space

$0000

$FFFF

X, Y, OR Z - REGISTER

015

-1

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