OldOpenLibrary
LowLevelBase = (Library *)OldOpenLibrary(LOWLEVELNAME);
GRAPHICS_BASE_NAME = (GfxBase *)OldOpenLibrary(GRAPHICSNAME);
KEYMAP_BASE_NAME = (Library *)OldOpenLibrary(KEYMAPNAME);
LP1(0x198, struct Library *, OldOpenLibrary, /*UBYTE*/const char *, last, a1, \
jsr _OldOpenLibrary(%a6)