About... Volume Slide Step
The tool Volume Slide Step is used in conjunction with the music editor ProTracker. This tracker uses the effect commands Volume Slide / Fine Volume Slide which do a linear slide up or down.
The only difference between them is at which ticks they are executed. Fine Volume Slide is executed every first tic whereas Volume Slide the rest of the tics, song_speed-1 times.
The arguments for these commands are called number of units and are given as hex numbers. This value is added to or substracted of the current instrument volume value.
To get the right number of commands for Volume Slide and the units for Fine Volume Slide for a complete slide up or down, this tool is a very comfortable aid.