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INSTRUCTION : Set of instruction ( operation ) which
allow the decoder to ask the card for anything.
PARAMETER1,PARAMETER2 : These parameter are used for example to specify
a key or
other information.
LENGTH : Is the length of the data transfer : number of byte to be send
or receive from / to card for one sigle instruction.
All the following have been tested with a Sagem decoder. The data speed
is 9600 bauds ( exactly like D2MAC )
(部份指令碼涉及系統安全，不便刊出，敬請見諒！)
[指令碼均以XX代表之]
CLASS 87
INSTRUCTION
XX : Direction : D-t-C ( Decoder to Card )
Meaning : General purpose data
To do : Read LENGTH byte
XX : Direction : C-t-D ( Card to Decoder )
Meaning : Return the requested data from General purpose
To do : Send to the decoder :
00 00 00 09 00 00 00 ; 90 00
XX : Direction : C-t-D ( Card to Decoder )
Meaning : Return a requested data (?)
Special : The length of byte sent from the card is equal
to the 4th byte send in instruction 04.
To do : Send to the decoder :
10 02 CA 20 11 03 54 50 53 ; 90 00
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