HG/SS: How delete phone numbers? Something discovered

[Halfshadow]

The numbers are stored in the save file in a similar way by an item. Are stored in the sav starting from the 0xC0EC or 0x4C0EC offset (sometimes if you save a new number is randomly stored in one of the 2 addresses) and the list end with an FF value. Seems that don't have a numbers count like for the items in the bag, simply the list ends with the first FF value.

Then will be necessary add a function to delete a number and then if isn't the last, move the next bytes (that are numbers) to the left to fill the FF leftover byte. And maybe a check to avoid the erasing of a "system" number that can't be recorded again, like the MUM and ELM, that should be like key items, too useful to be erased, but the major priority goes to find a way to erase them, and perhaps after find a way to avoid erasing of system numbers.

Where add the button to erase a number? Maybe replacing the "Exit" feature when you choose a number, 'cause you can exit from the chosen menu also pressing the B button.

I know that the calls can be skipped, but useless trainers can "steal" calls from trainer that could give you evolutionary items that you can't buy from the shops, and if you don't have longer the number the trainer don't call longer and you can add him/her again exactly like in the original G/S/C.

Now is necessary only a way to erase the numbers, are like bag items. Someone would try to give an hand please?  

Edited August 29, 2018 by Halfshadow