Roland Alpha Juno-2 - Page 50

5.
5.1
S.1.1
No
§.1.4
5.1.7
HANDSHAKING COMMUNICATION
Message type
Want to send a file (WSF)
Byte Deacriptton
a 1111 0000 Exclusive statua
b 0100 0001 Roland [D ¢
e 0100 O000 Operation code = WSF
@ 0000 nnnn Unit # = MIDI basic channel, nnnn = 0 - 15
where nnnn + 1 = channel #
e 0010 0011 Format type { JU-1,JU-2 )
fF Th1i O81) End of System Exclusive
Request a file (RQF}
Byte Description
Exclusive status
Roland ID #
Operation code = RQF
Unit # = MIDI basic channel, nnnn = 0 - 156
where nonn + 1 = channel #
aGorem
o
=
2 o ° 9 °
e 0010 O01] Format type ( JU-1,JU-2 }
£ iti) O1ti End of System Exclusive
Data (DAT)
Byte Description
Exclusive status
Roland ID #
Operation code = DAT
Unit # = MIDI besic channel, nnnn = 0 - 15
where nnomn + 1 = channel #
Format type { JU-1,JU-2 }
4 sets of TONE data ( 256 bytes }
Roo
o a o ° = °
_aA o iJ r=] 2 o o Ca eS
Check sup
End of System Exclusive
tea :
TONE dats is sent in four-bit nibbles, right justified,
least significant nibble sent first.
See 3.3 Bulk Dump, to understand the TONE data format.
Summed value of the all bytes in dats and the check sum aust
be 0 (7Thitsl.
Acknowledge (ACK}
Byte Description
a 1111 0000 Exclusive status
b 0100 0001 Roland ID ¢&
¢ 0100 GOlt Operation code = ACK
d@ 06000 nonn Unit # = MEDI basic channel, nnnn = 0 - 15
where nnnn ¢ 1 = channel &
e 0010 0011 Format type ( JU-1,JU-2 }
£ yaad Orns End of System Exclusive
Rnd of file (EOF)
Byte Deacription
@ 1121 0000 Exclusive status
b 0100 0001 Roland ID 8
ce 0100 O101 Operation code = BOF
d 90000 nnnn Unit @ = MIDI basic channel, annn = 0 - 15
where nonn + 1 = channel #
Format type ( JU-1,JU-2 }
End of System Exclusive
e 0010 0011
€ fa9y Ont
Communication error (BRR)
Byte Description
a 1111 6000 Exclusive status
b 0100 OOO! Roland ID #
e 0100 1110 Operation code = ERR
d 0000 nnnn Unit # = MIDI basic channel, nnnn = 0 - 15
where nnnn ¢ 1 = channel &
e 9010 OO11 Format type ( JU-1,JU-2 }
foyiys Olt End of System Exclusive
Rejection (RIC)
Byte Description
a til oc00 Exclusive atatua
b 0100 5001 Roland ID &
e O00 1Itl Operation code = RJC
d@ 0000 nonn unit @ = MIDI basic channe}, anon = 0 - 15
where nnnn ¢ 1 = channel ¢
# 0010 0011 Format type ( JU-1,JU-2 }
f bbl) Ot End of Syatem Exclusive
5.2 Sequence of communication
5.2.1 In the
8.2.2 In the
Notes :
‘Dump’ mode.
this unit
"Load’ mode.
thia unit
objective unit
message
or ( RQF }-
DAT ----- >
(ones ACK
EOF ----->
(----- ACK
message objective unit
(ennee DAT
ACK ---+~ >
kaene- DAT
ACK ----= >
t This unit sends RJC and the sequence is discontinued
when it receives ERR or detects some error.
t This unit sends RJC when the sequence is discontinued
esnually.
% This unit stops the sequence if the unit receives RJC.