13
PCM 80 Version 1.10 MIDI Implementation Details
Lexicon
0x13 Patch Assignment Dump
This bidirectional dump contains the state of a particular patch in the currently running effect.
Byte # Byte Value Description Notes
1 F0 SysEx ID
2 06 Lexicon ID
3 07 PCM 80 ID
4 0iii iiii Device ID
5 0x13 PatchAssign
6 0n PatchID (0-9)
7-8 0000 iiii Patch Source
Nibble-ized with less
significant part first See Appendix A: Patch Sources by Index.
9 0iii iiii Patch Destination. The patchable parameter offset. A value of 0x7F indicates that the
patch is to be disconnected. All other values in the packet remain valid.
10 0n Point Count (0-8). Only the 'n' following point values is meaningful. The remainder should
be set to 0. A point count of 0 is an alternate way to indicate a
disconnected path.
Patch Point Packet — repeated 8 times...
11 0iii iiii Point Position (0-127) Positions should be in ascending order and may not be duplicated. The
point value is independent of the specific parameter range. The range
of point value is from 0 (minimum) to 0xffff (maximum). This format is
used so that a new patch destination can be selected while maintaining
the contour of the patch table.
13 0000 iiii Point Value next nibble
14 0000 iiii Point Value next nibble
15 0000 iiii Point Value MS nibble.
16 000i iiii Tempo value Numerator
(1-24). Out-of-range values will be clipped and will cause an error message to
be displayed.
17 000i iiii Tempo value
Denominator (1-24). Out-of-range values will be clipped.
7 more 7-byte point packets...
67 0xF7 End of SysEx
If this message is improperly built, for example, if points are out of range or are not defined in ascending
order, the PCM 80 will attempt to correct the data. The message "Bad patch data was corrected" will be
displayed.
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