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CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS
6.1 ADDC (ADD Byte Data of Accumulator and Temporary
Accumulator with Carry to Accumulator)
Add the byte data of TL to that of AL, add a carry to the LSB and then return the results
to AL. The contents of AH are not changed.
■ ADDC (ADD Byte Data of Accumulator and Temporary Accumulator with Carry to
Accumulator)
Operation
(AL) ← (AL) + (TL) + (C) (Byte addition with carry)
Assembler format
ADDC A
Condition code (CCR)
+: Changed by executing instruction
-: Not changed
N: Set to 1 if the MSB of AL is 1 as the result of operation and set to 0 in other cases.
Z: Set to 1 if the result of operation is 00
H
and set to 0 in other cases.
V: Set to 1 if an overflow occurs as the result of operation and set to 0 in other cases.
C: Set to 1 if a carry occurs as the result of operation and set to 0 in other cases.
Number of execution cycle: 1
Byte count: 1
OP code: 22
NZVC
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