OR memory with Accumulator
Memonic	Mode	Opcode	Cycles	Bytes
ORAA	Immediate	8A	2	2
	Direct	9A	3	2
	Indexed	AA	5	2
	Extended	BA	4	3
ORAB	Immediate	CA	2	2
	Direct	DA	5	2
	Indexed	EA	5	2
	Extended	FA	4	3

A = A or M
B = B or M

Results:
H not affected
N set if bit 7 is 1
Z set if all bits are 0
V set to zero
C not affected