Spin Semiconductor

2. The program tab goes to the Mixer Application. Do these programs need to be loaded into separate memory? Or are these programs that are inside FV-1 and they do not need separate memory? They must be loaded into the external EEPROM 3. Can I use these programs if I sell this vocal processor? Yes b...

That is basically all correct. Keith made the modulation "window" larger than he thought was necessary so he could play with speed and depth to get the right sound and not have to change a bunch of parameters every time. So yeah, 75 memory locations are wasted but all the other lengths hav...

It works, it is doing:

old_val = C*POT + (1-C)*old_val

Put it a spread sheet program to test it.

While this is targeted at FXCore it has POT curves towards the back and the equations for the different curves so this may help: https://www.experimentalnoize.com/manua ... s/an-7.pdf

It all depends on how the value is used. In the OR case 0xFFFE00 is loaded into the ACC but what that means depends on the next instructions. In this case it is a RDAX so the instruction considers values in the S.23 format for the ACC, the value 0xFFFE00 is in 2's comp and range -1.0 to (almost)+1.0...

Switching between internal ROM programs is faster than switching between programs in the EEPROM as the speed of changing is limited by how long it takes to clear the internal RAM for a ROM program and how long it takes to load a program from EEPROM foran EEPROM based program. It is impossible to giv...

The log might help (the "and" with the <15 will not work) but I have never done it. I would try something like:

mask with the AND 0x0000FF
take log of result
add 0x710000
take exp

gary00k wrote: ↑Tue Oct 26, 2021 11:55 am I was afraid of that but ok, tell me please, does "fladel_139 < 8" means to shift fladel_139 value 8 places left?

Yes, shift of 8 bits left

gary00k wrote: ↑Tue Oct 26, 2021 3:10 am Any aditional suggestions, please?

You will have to go through the code line by line and find where you need to make the changes. Use something like Excel to calculate the values each sample period and graph them to see what is going on and what need to change.

Reconnect the pins, I did not say to not connect them. That is very different from running separate planes.

Without schematics and PCB layout there is nothing I can comment on.

Try doing a skp run at the start of the code and initialize tri to a value based on the pot Unfortunately, that didn't change anything. ;pot0 = flange rate ; Inits skp run, 2 sof 0, -0.0000195 ; ( -0.13 + ( 0 * 0.13 ) ) * 0.00015 wrax tri, 0 I do not see the pot being used in the init code, you nee...

The problem is, even if pot1 is set to 0 at the beginning, flanger goes itself from low to high frequency and just then I can control it by myself. Is it possible to make it starting directly from pot value? I assume you mean pot0 as pot1 does not appear in the code. Try doing a skp run at the star...

I'm curious about why you took the absa on the temp register. Then you check the sign of temp2 (with the interpolated sample) and flip the sign of temp (that got the absolute value of the inteprolated sample) to get the correct sign. Why don't use temp2 directly? No idea, it was 11 years ago so it ...

I would have to take time to really break it down but off the top of my head, when you do interpolations the base equation is: A*x + B*(1-x) Where x is the interpolation coefficient, but you can change the equation to: A*x + B -B*x or (A-B)*x + B which can be easier to code in some cases, no need fo...

Well it has almost been 11 years since I wrote this but it looks like I am using fptr as an interpolation coefficient since it is updated every real sample period.