16 BIT DATA ADDITION
|
ADDRESS
|
OPCODE
|
LABEL
|
MNEMONICS
|
OPERAND
|
COMMENT
|
|
8000
|
|
START
|
LHLD
|
8050H
|
Load the augend in DE pair through HL pair.
|
|
8001
|
|
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8002
|
|
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8003
|
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|
XCHG
|
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8004
|
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|
LHLD
|
8052H
|
Load the addend in HL pair.
|
|
8005
|
|
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8006
|
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8007
|
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|
MVI
|
A, 00H
|
Initialize reg. A for carry
|
|
8008
|
|
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|
|
|
|
8009
|
|
|
DAD
|
D
|
Add the contents of HL
Pair with that of DE pair.
|
|
800A
|
|
|
JNC
|
|
If there is no carry, go to the instruction
labeled
|
|
800B
|
|
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800C
|
|
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800D
|
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|
INR
|
A
|
Otherwise increment reg. A
|
|
800E
|
|
|
SHLD
|
8054H
|
Store the content of HL Pair in 8054H(LSB
of sum)
|
|
800F
|
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|
8010
|
|
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|
|
|
|
8011
|
|
|
STA
|
8056H
|
Store the carry in 8056H through Acc.
(MSB of sum).
|
|
8012
|
|
|
|
|
|
|
8013
|
|
|
|
|
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|
8014
|
|
|
HLT
|
|
Stop the program.
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