Per VognsenI spent some time looking at GBA stuff after posting about it a few days ago. It's been so long since I've touched ARM32 that I'd forgotten the insane shit you can do in one instruction, e.g. LDMEQFD SP!, {R0, R2-R5, PC}.
Dominik Grabiec@pervognsen as I wrote in a blog post some 20 years ago: RISC, my ass!