4QAM ....\4QAM.CPP ....\4QAM.DSP ....\4QAM.DSW ....\4QAM.NCB ....\4QAM.OPT ....\4QAM.PLG ....\DEBUG ....\.....\4QAM.EXE ....\.....\4QAM.obj ....\.....\4QAM.PDB ....\.....\VC60.PDB