File list (Check if you may need any files):
H18Modification
...............\DEFINE.H
...............\DISPLAY.ASM
...............\display.c
...............\display.h
...............\DISPLAY.LST
...............\DISPLAY.OBJ
...............\GLOBAL.ASM
...............\global.c
...............\global.h
...............\GLOBAL.LST
...............\GLOBAL.OBJ
...............\H18_IH.bin
...............\H18_IH.CV
...............\H18_IH.DBG
...............\H18_IH.dsw
...............\H18_IH.MAK
...............\H18_IH.OPT
...............\H18_IH.OTP
...............\H18_IH.pjt
...............\H18_IH.pjtx
...............\H18_IH.pjw
...............\H18_IH.PRJ
...............\H18_IH.SPC
...............\H18_IH.TSK
...............\H18_IH_d.SPC
...............\HT45R11B.h
...............\HT45R11B.SPC
...............\INTERRUPT.ASM
...............\interrupt.c
...............\interrupt.c.bak
...............\interrupt.h
...............\INTERRUPT.LST
...............\INTERRUPT.OBJ
...............\KEY.ASM
...............\key.c
...............\key.c.bak
...............\key.h
...............\KEY.LST
...............\KEY.OBJ
...............\library.h
...............\MAIN.ASM
...............\main.c
...............\MAIN.LST
...............\MAIN.OBJ
...............\POWERCONTROL.ASM
...............\powercontrol.c
...............\powercontrol.c.bak
...............\POWERCONTROL.H
...............\POWERCONTROL.LST
...............\POWERCONTROL.OBJ
...............\PROTECT.ASM
...............\protect.c
...............\protect.h
...............\PROTECT.LST
...............\PROTECT.OBJ
...............\TcfTransactionLog.csv
...............\TIME.ASM
...............\time.c
...............\time.h
...............\TIME.LST
...............\TIME.OBJ