! Instruction !! Opcode !! NOPs !! Cycles !! S !! Z !! 5 !! H !! 3 !! P !! N !! C !! Effect !! Description
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| inc dd pp || 00dd0011 00pp0011 || 2 || 6 (6) || - || - || - || - || - || - || - || - || dd pp += 1 ||rowspan=2|Increment
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| inc ixy qq || 11b11101 00100011 00qq0011 || 3 || 10 (4,6) || - || - || - || - || - || - || - || - || ixy qq += 1
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| dec dd pp || 00dd1011 00pp1011 || 2 || 6 (6) || - || - || - || - || - || - || - || - || dd pp -= 1 ||rowspan=2|Decrement
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| dec ixy qq || 11b11101 00101011 00qq1011 || 3 || 10 (4,6) || - || - || - || - || - || - || - || - || ixy qq -= 1
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| add hl,dd pp || 00dd1001 00pp1001 || 3 || 11 (4,4,3) || - || - || + || + || + || - || 0 || + || hl += dd pp ||rowspan=2|Add
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| add ixy,dd qq || 11b11101 00dd1001 00qq1001 || 4 || 15 (4,4,4,3) || - || - || + || + || + || - || 0 || + || ixy += ddqq
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| adc hl,dd qq || 11101101 01dd1010 01qq1010 || 4 || 15 (4,4,4,3) || + || + || + || + || + || V || 0 || + || hl += dd qq + cf ||Add with Carry
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| sbc hl,dd qq || 11101101 01dd0010 01qq0010 || 4 || 15 (4,4,4,3) || + || + || + || + || + || V || 1 || + || hl -= dd qq + cf ||Subtract with Carry
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