Data indirect with pre-decrement, Data indirect with post-increment – Rainbow Electronics AT90C8534 User Manual

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AT90C8534

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Data Indirect with Pre-decrement

Figure 15. 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 16. 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

$015F

X, Y OR Z - REGISTER

0

15

-1

Data Space

$0000

$015F

X, Y OR Z - REGISTER

0

15

1