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Indexinstructions

  The following index instructions have the opcode 1111 and are selected via the MOD part. They have no parameters with exception of the LDX instruction because all operate the index register direct.

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MOD & Short Description & Mnemo...
 ... absolute address & LDX,@adresse\ & into the index register &\ \end{tabular}}

CLI
Load zero to the index register.
LDI
Transfer the accumulator to the index register.
LIA
Transfer the index register to the accumulator.
INK
Increments the index register by one.
DEK
Decrements the index register by one.
LDX
Load value from an absolute address into the index register. Only the direct addressing mode is possible. The instruction is always a double-word instruction.


Markus Hennecke
9/14/2003