VIRUS CLASSIC MANUAL 373
Appendix
VB: VIRUS B PARAMETER
These parameters are only available on Virus b and Virus kb/Indigo in Version 3.0 and followers.
Virus b parameter changes are ignored by Virus a
On non-part-sensitive parameters the part number is ignored, but must still be sent as any value.
The Virus can be switched between Multi Mode and Single Mode by parameter C123 Part Number.
Remarks for editor/librarian programs Not all 256 bytes of a Single or Multi Dump are defined as a
parameter. Some of them are defined for internal use or reserved for future applications. In a bulk
dump these byte should not be changed, they should be sent to the Virus on the same value as they
were received in the dump.
One of the internal parameter (Page A #0) is the Sound Version Number. On future Virus system
updates new parameters will be defined. When the Virus receives an older sound, the new parame-
ters will be set to default values in the edit buffer and the version number will be updated automati-
cally. The Virus update algorithm can be used from outside just by sending a dump and requesting it
back. To prevent incompatibilites and confusion, the Sound Version Number should not be changed
by any other device that the Virus itself. When sounds are imported into a software library, they
should be automatically pathed through the Virus first, before allowing a change of parameters.
Otherwise the Virus might reset new parameters, when the sound is loaded into the Virus, after
editing parameters.
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