Instruction size

As we  have seen already  that each instruction has two parts

Opcode ( Operation  Code)

Which  tells  the types  of operation  to be  performed .

Operand

On which  operation is to be  performed  it many  be a register a memory  location 8 bit  port address 16 bit  memory  locations 8 bit  data or 16 bit  data.

According  to the size 8085 instructions  are classified  into followings  three  groups .

a.One byte instructions

b.Two byte instructions

c.Three byte instructions

Posted Date: 4/5/2013 2:53:33 AM | Location : United States

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