Is it possible to make it so that i can have a def in another prg slot but it works with the other slots?

yes it in the manual or in one of game samples of smile basic. check it out if still can't figure it out ask again, it part or learning to program, bud.

In slot 1: COMMON DEF TEST X PRINT X+1 END In slot 0: USE 1 TEST 5 'print 6

V360 that only part of it explain to others how to utilize it first just giving part of answer not going to help them with the function command USE

USE [slot number] SmileBASIC can't use things in a slot until you USE (function) the slot. If you write a new function with the PRG commands, you must USE (function) it before you can use it.

I know what the USE command does. I'm not an idiot.

Could you go into more detail about what you want to do? Sorry for not getting the question.