It was the ROM asking you how much memory you wanted to allocate for BASIC variables. You could tune this for various programs and/or if you were planning on running machine language programs you wanted to have BASIC get out of the way and leave your program more memory.. :)
It was the ROM asking you how much memory you wanted to allocate for BASIC variables. You could tune this for various programs and/or if you were planning on running machine language programs you wanted to have BASIC get out of the way and leave your program more memory.. :)