Addition of two 16 bit numbers

Program Name

Write a Assembly Language Program for Addition of two 16 bit numbers.

Theory

Instruction Mnemonic	Operand	Comments
LDA	8100	Load contents of 8100 half 1st input of 16-bit into accumulator
MOV	B,A	Move content of Acc to register B
LDA	8200	Load the 2nd i/p half 8-bit of 16 bit to accumulator
ADD	B	Add the content of reg B to accumulator and store in accumulator
STA	8300	Store result of 1st 8-bit in 8300
LDA	8101	Load 1st remaining 8-bit input of 16-bit to accumulator
MOV	B,A	Move 2nd 8-bit input of 16-bit input to register B
LDA	8201	Load 2nd input of 1st remaining half 16-bit input
ADC	B	Add with carry content of reg B to accumulator
STA	8301	Store result 8301
HLT		Stop

Program Code

LDA	8100
MOV	B,A
LDA	8200
ADD	B
STA	8300
LDA	8101
MOV	B,A
LDA	8201
ADC	B
STA	8301
HLT

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