36 THE x86 MICROPROCESSORS
STAX B ;‘store accumulator indirect’ in this, the content of the
accumulator is stored in the address specifi ed by the
BC register pair.
Immediate Addressing
Here, the source data is written in the instruction itself
MOV A, 78H ;copy the number 78H to A
ADD A, 67 ;add the content of A and the number 67. e sum is
to be in A.
LXI H, 3453H ;the immediate number 3453H is loaded in the HL
register pair
0.9.3 | Instruction set of 8085
e instruction set can be divided into functional groups as:
Data transfer instructions.i)
Arithmetic instructions.ii)
Logical instructions.iii)
Branch instructions.iv)
We will discuss each group in more detail now, using a sample set of each group.
0.9.3.1 | Data Transfer Instructions ...