File list (Check if you may need any files):
Lab48-HPI
.........\2407c.h
.........\Custom.lkf
.........\Custom.lkv
.........\debug
.........\.....\speaker.out
.........\hpi.wks
.........\prct.asm
.........\speaker.c
.........\speaker.cmd
.........\speaker.CS_
.........\...........\FILE.CDX
.........\...........\FILE.DBF
.........\...........\FILE.FPT
.........\...........\SYMBOL.CDX
.........\...........\SYMBOL.DBF
.........\...........\SYMBOL.FPT
.........\speaker.mak
.........\speaker.out
.........\speaker.paf
.........\speaker.paf2
.........\speaker.pjt
.........\speaker.sbl
.........\vectors.asm