I haven't written a GBA emulator, but GBA got me into ARM. Tonc's old guide to ARM[1] I'll still send to people who want to learn ARM. [1] https://www.coranac.

I haven't written a GBA emulator, but GBA got me into ARM. Tonc's old guide to ARM[1] I'll still send to people who want to learn ARM. [1] https://www.coranac.com/tonc/text/asm.htm https://www.coranac.com/tonc/text/asm.htm