I was wondering the same so i checked them out in a list of rom calls. $46C3 = CONV_ADDR something to do with absolute adressing ? $4637 = _inc_ptr_ahl something to do with absolute adressing ? Someone have a real explanation ? I was also wondering what the "rst $20" and rst "$10" instructions do ? > >Out of curiosity, what do these statements do? >>> call $46c3 > >>> call $4637 > > >