Add content of two memory locations and store the result in third memory location
Add the contents of memory locations 40001H and 4002H and place the result in
the memory location 4003H.
For following program we have replaces addresses:
4001 -> 0700
4002 -> 0701
4003 -> 0702
0700 10
0701 20
LDA 0700
MOV B A
LDA 0701
ADD B
STA 0702
HLT
LDA 0700 – A 24 bits (3 bytes) command which will load content of memory location 0700 in register A i.e. Accumulator.
MOV B A – A 8 bits (1 byte) command which will copy and load data of Accumulator to register B.
LDA 0701 – This command will load content of memory location 0701 in register A i.e. Accumulator.
ADD B – A 8 bits command which will ADD the data of B register to Accumulator.
STA 0702 – A 24 bits command which will store data of accumulator in memory location 0702.
HLT – This command is use to put microprocessor on halt.
8085 Program to add content of two memory location and store the result in third memory location
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