ORG 0
    LJMP START

ARRAY_INDEX EQU R0

ORG 100H
NEXT_ARRAY_INDEX:
    INC PATTERN_INDEX
    MOV A, PATTERN_INDEX
    MOVC A, @A+PC
    RET
ARRAY:
    db 0AAH, 0BBH, 0CCH
    db 0DDH, 0EEH, 0FFH

START:
    MOV ARRAY_INDEX, #0
    ACALL NEXT_ARRAY_INDEX
    SJMP $
    NOP
END