Difference between revisions of "ADD"
From GbdevWiki
(→add a,reg8) |
(→add a,reg8) |
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*$86: add a,(hl) | *$86: add a,(hl) | ||
*$87: add a,a | *$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. |
Revision as of 11:14, 25 February 2008
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.