ADD

ADD is an assembly opcode.

add a,reg8

Adds the contents of an 8-bit register to the contents of accumulator and stores the result in accumulator.

• $80: add a,b
• $81: add a,c
• $82: add a,d
• $83: add a,e
• $84: add a,h
• $85: add a,l
• $86: add a,(hl)
• $87: add a,a

Returns:

• Z - Set if result is zero.
• N - Reset.
• H - Set if carry from bit 3.
• C - Set if carry from bit 7.