ADC

ADC (Add with Carry) is 65x instruction that performs an addition.

Basic Info
Addressing Mode	Opcode	Length	Speed
immediate	69	2 bytes	2 cycles
absolute	6D	3 bytes	4 cycles
absolute long	6F	4 bytes	5 cycles
direct page	65	2 bytes	3 cycles
direct page indirect	72	2 bytes	5 cycles
direct page indirect long	67	2 bytes	6 cycles
absolute indexed by X	7D	3 bytes	4 cycles
absolute long indexed by X	7F	4 bytes	5 cycles
absolute indexed by Y	79	3 bytes	4 cycles
direct page indexed by X	75	2 bytes	4 cycles
direct page indexed indirect by X	61	2 bytes	6 cycles
direct page indirect indexed by Y	71	2 bytes	5 cycles
direct page indirect long indexed by Y	77	2 bytes	6 cycles
stack relative	63	2 bytes	4 cycles
stack relative indirect indexed by Y	73	2 bytes	7 cycles

Flags Clobbered
N	V	M	X	D	I	Z	C
		.	.	.	.

See Also

• SBC

External Links

• Eyes & Lichty page on ADC: https://archive.org/details/0893037893ProgrammingThe65816/page/n449