
The Instrument editor 7
© 1991 Ulf Petersen/Sven Tegethoff PDFied by Alphasys in 2010
9 The Instrument editor
The Instrument editor can be called forth by clicking the "INSTR."-icon. This window is used to define
instruments to be used in the song. The top left holds parameters that affect the entire intrument.
- Vibrato min-max: This first number enables vibrato. Strongest vibrato is accomplished with the
value 1F, slightest vibrato with F1. (Both values give the maximal difference between the original
sound. With F1, this boils down to -1 to 1.)
- Vibrato delay/speed: This value incorporates the delay (left value) and the speed of the vibrato.
(For 8-bit sound, 1 is the speediest, F the slowest. For 16-bit sound, this is reversed for technical
reasons.)
- Glide: This entry can be used to hav the note glide up or down smoothly and rapidly (A.k.a.
"Glissando"). Values of FF, FE, FD etc will make it glide upwards in pitch, values of 01,02,03 etc will
glide it down.
- Detune: This value enables a slight pitch change on the original tone, which might be used to give a
"floating" effect.
- 16Bit on/off: A value of 01 will enable 16 bit mode. This links voice 0+1, and/or 2+3 into one voice.
To use this function, both voices should henceforth play the same sounds. (A good example of this
can be found in the demosong BIT.MSC.)
- Transpose off: For some sounds, specially drum sounds, transposing is not desirable. Entering a
value other than 0 will stop the main sequencer from transposing this instrument. (See the main
sequencer for details on transposing options there.)
- Sound Control: This gives some options to manipulate the sounds. (For people that know the
Pokey chip more intimately, this is NOT related to the Sound Control Register $D20F.) This value can
only be used with voices using the distortion value "A" (clear tones).
Values for the Sound Control entry are:
- 01: Detune (with a difference). Voice 0+2, or 1+3 are connected, playing the same note, with a slight
detune between them, giving a floating effect.
- 03: Voices 0+2, or 1+3 are connected through a special filter, giving an interesting effect. (play with
it)
- 02: Combines both of the above.
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