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MICROPROCESSOR INSTRUCTION REFERENCE->ORA

ORA s   OR operand s with Accumulator

A <- A 'or' s

Flags
    

S	Set if result -ve, else cleared
Z	Set if result zero, else cleared
AC	Cleared
P	Set if parity even else cleared
C	Cleared

S	No of bytes	Cycles
		8085	8080A
r	1	4	4
M	1	7	7

register r may be one of A,B,C,D,E,H,L
M is memory addressed by the HL register pair