# Simple question invert values **URL:** \ **Category:** General discussion\ **Created:** [December 29, 2024, 1:08am UTC](https://forum.electra.one/t/simple-question-invert-values/3471 "2024-12-29T01:08:46Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![oldgearguy](https://avatars.discourse-cdn.com/v4/letter/o/f4b2a3/32.png) [@oldgearguy](https://forum.electra.one/u/oldgearguy)\ **Post date:** [December 30, 2024, 1:23am UTC](https://forum.electra.one/t/simple-question-invert-values/3471/4 "2024-12-30T01:23:38Z")
This has been discussed and I think I posted an example. Check this thread all the way through > [@Add ADSDR and ASDSDR envelopes](https://forum.electra.one/t/add-adsdr-and-asdsdr-envelopes/307): > > I’d love to add 2 extra envelopes, as the combined envelope controls are very useful. One is the ADSDR envelope. Same as ASDR, but the sustain can be set to decay, giving the envelope a fourth slope. There’s some quirks on my Yamaha TX81Z with this envelope (not called ADSDR, but let’s stick with convention). One is that some of the ranges go the opposite direction (e.g. the fastest attack is 31, the slowest attack is 0). So to make this work there would need to be a way to reverse/invert t… --- _[View the full topic](https://forum.electra.one/t/simple-question-invert-values/3471)._