CLEAR
MSG
        UNLOCK PHILIPS TCD128_HT
MSG
==========================================================
MSG

OPEN

ADR= $0D2E
MOV ADR RA
DECRA
MOV RA ADR

ADR= $0D16
MOV ADR RA
DECRA
MOV RA ADR

/Checksum is 2 down (example BA - B8 )
ADR=$0D00
MOV ADR RA
DECRA
DECRA
MOV RA ADR


SAVE

MSG

>phone asks spck,
>1) modify 0d2e from 01 to 00 0d00 x=x-1
>phone ask nck now,
>2) modify 0d16 x=x+1 or x=x-1 0d00 x=x-1
>now is unlocked ! surely
>conclusion: 0d00 x=x-2 0d2e=00 0d16=+/-1