Data indirect, Data indirect with pre- decrement, Data indirect with post- increment – Rainbow Electronics AT90LS4433 User Manual

Page 14

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AT90S/LS4433

1042G–AVR–09/02

Data Indirect

Figure 15. Data Indirect Addressing

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

Data Indirect with Pre-
decrement

Figure 16. Data Indirect Addressing with Pre-decrement

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

Data Indirect with Post-
increment

Figure 17. Data Indirect Addressing with Post-increment

The X-, Y-, or the Z-register is incremented after the operation. Operand address is the
content of the X-, Y-, or the Z-register prior to incrementing.

Data Space

$0000

$00DF

X, Y, OR Z - REGISTER

0

15

Data Space

$0000

$00DF

X, Y, OR Z - REGISTER

0

15

-1

Data Space

$0000

$00DF

X, Y, OR Z - REGISTER

0

15

1

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