Zilog Z8F0130 Manual do Utilizador Página 57

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eZ8
CPU Core
User Manual
UM012820-0810 Addressing Modes
35
Direct Addressing
Figure 14 displays the Direct Addressing mode, symbol DA. This instruc-
tion specifies the address of the next instruction to be executed. Only the
Jump (JP and JP cc) and Call (CALL) instructions use Direct Addressing.
The 16-bit Direct Address is written to the Program Counter.
Figure 14. Direct Addressing
16-bit Direct
Program Memory
Address
Two Operand
Instruction
(Example)
Op Code
DA[15:8]
DA[7:0]
Next
Op Code
16-bit Program
Memory address
is DA[15:0]
DA[15:0] written to
Program Counter
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