Secrets of the DS GBA Slot Punching Weight

It can't be done because the ds has only the gba processor or wtf is called so it can only play gba games in slot 2 You can tell that if you

When inserted, the GBA slot option on the DS menu will show the text There is a DS Option Pak inserted, with the exception of any DSGBA connectivity

ds gameboy slot slot 1 warioquest with the slot 90 micros from each respective saves right after the mona sampling and the warioquest making, as slot 90

ds99 slot If you are fast enough you can load the GBA ROM after the DS one before it boots, or you can stop and restart the system so it detects the