include $(FXSDK)/tools/shared.mk
#include "fxlib.h"
The Casio SDK is a gateway to low-level calculator programming. While the official toolchain is ancient, the community has built robust modern replacements (CEdev, libfxcg, gint). Start with a simple "Hello World" add-in, then explore direct VRAM access, keyboard input, and file I/O. Always test on real hardware – emulators are not cycle-accurate for all behaviors. casio sdk