TO ADD TWO 4-DIGIT BCD DATA
LDA 000
MOV B,A
LDA 002
MVI C,00
ADD B
DAA
STA 004
LDA 001
MOV B,A
LDA 003
ADC B
DAA
STA 005
JNC GO
INR C
[GO] MOV A,C STA 006 HLT
Here, 000 & 001 → 1st Operand 002 & 003 → 2nd Operand 004 & 005 → Sum 006 → Carry
TO ADD TWO 4-DIGIT BCD DATA
LDA 000
MOV B,A
LDA 002
MVI C,00
ADD B
DAA
STA 004
LDA 001
MOV B,A
LDA 003
ADC B
DAA
STA 005
JNC GO
INR C
[GO] MOV A,C STA 006 HLT
Here, 000 & 001 → 1st Operand 002 & 003 → 2nd Operand 004 & 005 → Sum 006 → Carry