Another problem: SUBW and ADDW are not supported. These support 12-bit constants, and are therefore useful. Note that MOVW is supported (and that that has a 16-bit constant), so is not the same.
Another problem: SUBW and ADDW are not supported. These support 12-bit constants, and are therefore useful. Note that MOVW is supported (and that that has a 16-bit constant), so is not the same.