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FishMarket 1.0
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disk_635
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sony.doc
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1992-05-06
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3KB
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63 lines
** communication protocol: **
** sony: Computer activates DTR (pin 20) on rs-232 port, **
** (amiga 7-line handshake) **
** then sends a command and expects ACK back. ASCII digits used for **
** addresses,etc. Expect ACK back after EACH digit sent. Returns frame# **
** as ASCII digits. Player is single character oriented. **
COMMANDS CHAR HEX DECIMAL COMMENT
----------------------------------------------------------------------------
ACK 0A 10 Acknowledge receipt of a command
ADDR INQ ` 60 96 Get frame number
Clear Entry A 41 65
Ch-1 on F 46 70 Audio channel commands
Ch-1 off G 47 71
Ch-2 on H 48 72
Ch-2 off I 49 73
Chapter # INQ v 76 118 Get chapter number
Chapter # MODE i 69 105 Set chapter mode
Clear All V 56 86
Completion 01 1
Continue a 61 97 Resume mode prior to STILL
Eject * 2A 42 Open the disc compartment
Enter @ 40 64 Terminate a command
Error 02 2
Forward Fast ; 3B 59
Reverse Fast K 4B 75
Forward Play : 3A 58
Reverse Play J 4A 74
Forward Scan > 3E 62
Reverse Scan N 4E 78
Forward Slow < 3C 60
Reverse Slow L 4C 76
Forward Step = 3D 61 Variable speed forward play
Reverse Step M 4D 77 Variable speed reverse play
Fwd Step Still + 2B 43 Advance one frame forward
Rev Step Still , 2C 44 Advance one frame backward
Frame # Mode U 55 85 Set frame mode
Index on P 50 80 Set on-screen display ON
Index off Q 51 81
NAK 0B 11 Reject receipt of a command
Not Target 05 5 Target frame not found (in search)
Repeat D 44 68 Playback a designated sequence
Search C 43 67 Locate a target address
Status INQ g 67 103 Inquire about status of player
Still O 4F 79 Still picture
Stop ? 3F 63 Halt video and audio playback
Video on ' 27 39
Video off & 26 38
(and a few others.......)
SERIAL PORT CONNECTION: (A standard DB25 serial cable with NULL-MODEM)
computer player (adapter will work.)
-------- ------
TxD 2 3 RxD
RxD 3 2 TxD
RTS 4 5 CTS
CTS 5 4 RTS
DSR 6 20 DTR
GND 7 7 GND
DTR 20 6 DSR
------------------