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Home/ Questions/Q 597795
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T16:19:08+00:00 2026-05-13T16:19:08+00:00

How do you add a 16 and a 8 bit register with carry (for

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How do you add a 16 and a 8 bit register with carry (for example, HL, and A)?

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  1. Editorial Team
    Editorial Team
    2026-05-13T16:19:09+00:00Added an answer on May 13, 2026 at 4:19 pm

    You can’t do it directly. You need to copy A into a 16-bit register pair and then do the add:

    LD  B, 0
    LD  C, A
    ADC HL, BC
    
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