A
6502 instruction that performs addition, normally in
binary. In 6502 processors with
decimal mode, ADC adds in binary or packed
binary-coded decimal depending on the decimal flag. To add without carry, insert a
CLC instruction before ADC.
- Function: A + N + C => A
- Updates flags: S V . . . . Z C
- Opcode numbers:
(d,x) $61
dp $65
imm $69
abs $6D
(d),y $71
d,x $75
a,y $79
a,x $7D
Similar: SBC
See also: 6502 instructions | 6502 addressing modes