File list (Check if you may need any files):
GSM_FR\bit.cod
......\bit.dec
......\coder\coder.dsp
......\.....\coder.dsw
......\.....\coder.ncb
......\.....\coder.opt
......\.....\coder.plg
......\.....\Debug\AGC.obj
......\.....\.....\AUTOCORR.obj
......\.....\.....\AZ_LSP.obj
......\.....\.....\BASICOP2.obj
......\.....\.....\BITS2PRM.obj
......\.....\.....\C1035PF.obj
......\.....\.....\coder.exe
......\.....\.....\coder.ilk
......\.....\.....\CODER.obj
......\.....\.....\coder.pch
......\.....\.....\coder.pdb
......\.....\.....\COD_12K2.obj
......\.....\.....\CONVOLVE.obj
......\.....\.....\COPY.obj
......\.....\.....\COUNT.obj
......\.....\.....\DTX.obj
......\.....\.....\ENC_LAG6.obj
......\.....\.....\E_HOMING.obj
......\.....\.....\G_CODE.obj
......\.....\.....\G_PITCH.obj
......\.....\.....\INTER_6.obj
......\.....\.....\INT_LPC.obj
......\.....\.....\INV_SQRT.obj
......\.....\.....\LAG_WIND.obj
......\.....\.....\LEVINSON.obj
......\.....\.....\LOG2.obj
......\.....\.....\LSP_AZ.obj
......\.....\.....\LSP_LSF.obj
......\.....\.....\N_PROC.obj
......\.....\.....\OPER_32B.obj
......\.....\.....\PITCH_F6.obj
......\.....\.....\PITCH_OL.obj
......\.....\.....\POW2.obj
......\.....\.....\PRED_LT6.obj
......\.....\.....\PREEMPH.obj
......\.....\.....\PRE_PROC.obj
......\.....\.....\PRM2BITS.obj
......\.....\.....\PSTFILT2.obj
......\.....\.....\Q_GAINS.obj
......\.....\.....\Q_PLSF_5.obj
......\.....\.....\REORDER.obj
......\.....\.....\RESIDU.obj
......\.....\.....\SET_ZERO.obj
......\.....\.....\SYN_FILT.obj
......\.....\.....\VAD.obj
......\.....\.....\vc60.idb
......\.....\.....\vc60.pdb
......\.....\.....\WEIGHT_A.obj
......\coder.exe
......\decoder\Debug\AGC.obj
......\.......\.....\AUTOCORR.obj
......\.......\.....\AZ_LSP.obj
......\.......\.....\BASICOP2.obj
......\.......\.....\BITS2PRM.obj
......\.......\.....\C1035PF.obj
......\.......\.....\COD_12K2.obj
......\.......\.....\CONVOLVE.obj
......\.......\.....\COPY.obj
......\.......\.....\COUNT.obj
......\.......\.....\D1035PF.obj
......\.......\.....\decoder.exe
......\.......\.....\decoder.ilk
......\.......\.....\DECODER.obj
......\.......\.....\decoder.pch
......\.......\.....\decoder.pdb
......\.......\.....\DEC_12K2.obj
......\.......\.....\DEC_LAG6.obj
......\.......\.....\DTX.obj
......\.......\.....\D_GAINS.obj
......\.......\.....\D_HOMING.obj
......\.......\.....\D_PLSF_5.obj
......\.......\.....\ENC_LAG6.obj
......\.......\.....\E_HOMING.obj
......\.......\.....\G_CODE.obj
......\.......\.....\G_PITCH.obj
......\.......\.....\INTER_6.obj
......\.......\.....\INT_LPC.obj
......\.......\.....\INV_SQRT.obj
......\.......\.....\LAG_WIND.obj
......\.......\.....\LEVINSON.obj
......\.......\.....\LOG2.obj
......\.......\.....\LSP_AZ.obj
......\.......\.....\LSP_LSF.obj
......\.......\.....\N_PROC.obj
......\.......\.....\OPER_32B.obj
......\.......\.....\PITCH_F6.obj
......\.......\.....\PITCH_OL.obj
......\.......\.....\POW2.obj
......\.......\.....\PRED_LT6.obj
......\.......\.....\PREEMPH.obj
......\.......\.....\PRE_PROC.obj
......\.......\.....\PRM2BITS.obj
......\.......\.....\PSTFILT2.obj